diff --git a/README.md b/README.md index 99bc1764832..bd7ad99c65b 100644 --- a/README.md +++ b/README.md @@ -29,6 +29,7 @@ NXP: * LPC4330 (Cortex-M4 + Cortex-M0) * LPC1347 (Cortex-M3) * LPC1114 (Cortex-M0) +* LPC11C24 (Cortex-M0) Freescale: * [KL25Z](http://mbed.org/handbook/mbed-FRDM-KL25Z) (Cortex-M0+) diff --git a/libraries/mbed/api/CAN.h b/libraries/mbed/api/CAN.h index af5501a2ff8..25b7620c020 100644 --- a/libraries/mbed/api/CAN.h +++ b/libraries/mbed/api/CAN.h @@ -150,6 +150,25 @@ class CAN { */ void monitor(bool silent); + enum Mode { + Reset = 0, + Normal, + Silent, + LocalTest, + GlobalTest, + SilentTest + }; + + /** Change CAN operation to the specified mode + * + * @param mode The new operation mode (CAN::Normal, CAN::Silent, CAN::LocalTest, CAN::GlobalTest, CAN::SilentTest) + * + * @returns + * 0 if mode change failed or unsupported, + * 1 if mode change was successful + */ + int mode(Mode mode); + /** Returns number of read errors to detect read overflow errors. */ unsigned char rderror(); @@ -158,35 +177,49 @@ class CAN { */ unsigned char tderror(); + enum IrqType { + RxIrq = 0, + TxIrq, + EwIrq, + DoIrq, + WuIrq, + EpIrq, + AlIrq, + BeIrq, + IdIrq + }; + /** Attach a function to call whenever a CAN frame received interrupt is * generated. * * @param fptr A pointer to a void function, or 0 to set as none + * @param event Which CAN interrupt to attach the member function to (CAN::RxIrq for message received, CAN::TxIrq for transmitted or aborted, CAN::EwIrq for error warning, CAN::DoIrq for data overrun, CAN::WuIrq for wake-up, CAN::EpIrq for error passive, CAN::AlIrq for arbitration lost, CAN::BeIrq for bus error) */ - void attach(void (*fptr)(void)); + void attach(void (*fptr)(void), IrqType type=RxIrq); /** Attach a member function to call whenever a CAN frame received interrupt * is generated. * * @param tptr pointer to the object to call the member function on * @param mptr pointer to the member function to be called + * @param event Which CAN interrupt to attach the member function to (CAN::RxIrq for message received, TxIrq for transmitted or aborted, EwIrq for error warning, DoIrq for data overrun, WuIrq for wake-up, EpIrq for error passive, AlIrq for arbitration lost, BeIrq for bus error) */ template - void attach(T* tptr, void (T::*mptr)(void)) { + void attach(T* tptr, void (T::*mptr)(void), IrqType type=RxIrq) { if((mptr != NULL) && (tptr != NULL)) { - _rxirq.attach(tptr, mptr); - setup_interrupt(); - } else { - remove_interrupt(); + _irq[type].attach(tptr, mptr); + can_irq_set(&_can, (CanIrqType)type, 1); + } + else { + can_irq_set(&_can, (CanIrqType)type, 0); } } -private: - can_t _can; - FunctionPointer _rxirq; + static void _irq_handler(uint32_t id, CanIrqType type); - void setup_interrupt(void); - void remove_interrupt(void); +protected: + can_t _can; + FunctionPointer _irq[9]; }; } // namespace mbed diff --git a/libraries/mbed/common/CAN.cpp b/libraries/mbed/common/CAN.cpp index ef6ebd87dfd..2b1fd4fdac9 100644 --- a/libraries/mbed/common/CAN.cpp +++ b/libraries/mbed/common/CAN.cpp @@ -23,10 +23,12 @@ namespace mbed { CAN::CAN(PinName rd, PinName td) { can_init(&_can, rd, td); + can_irq_init(&_can, (&CAN::_irq_handler), (uint32_t)this); } CAN::~CAN() { can_free(&_can); + can_irq_free(&_can); } int CAN::frequency(int f) { @@ -57,62 +59,23 @@ void CAN::monitor(bool silent) { can_monitor(&_can, (silent) ? 1 : 0); } -static FunctionPointer* can_obj[2] = { NULL }; - -// Have to check that the CAN block is active before reading the Interrupt -// Control Register, or the mbed hangs -void can_irq(void) { - uint32_t icr; - - if(LPC_SC->PCONP & (1 << 13)) { - icr = LPC_CAN1->ICR; - - if(icr && (can_obj[0] != NULL)) { - can_obj[0]->call(); - } - } - - if(LPC_SC->PCONP & (1 << 14)) { - icr = LPC_CAN2->ICR; - if(icr && (can_obj[1] != NULL)) { - can_obj[1]->call(); - } - } - +int CAN::mode(Mode mode) { + return can_mode(&_can, (CanMode)mode); } -void CAN::setup_interrupt(void) { - switch ((int)_can.dev) { - case CAN_1: can_obj[0] = &_rxirq; break; - case CAN_2: can_obj[1] = &_rxirq; break; - } - _can.dev->MOD |= 1; - _can.dev->IER |= 1; - _can.dev->MOD &= ~1; - NVIC_SetVector(CAN_IRQn, (uint32_t) &can_irq); - NVIC_EnableIRQ(CAN_IRQn); -} - -void CAN::remove_interrupt(void) { - switch ((int)_can.dev) { - case CAN_1: can_obj[0] = NULL; break; - case CAN_2: can_obj[1] = NULL; break; - } - - _can.dev->IER &= ~(1); - if ((can_obj[0] == NULL) && (can_obj[1] == NULL)) { - NVIC_DisableIRQ(CAN_IRQn); + void CAN::attach(void (*fptr)(void), IrqType type) { + if (fptr) { + _irq[(CanIrqType)type].attach(fptr); + can_irq_set(&_can, (CanIrqType)type, 1); + } else { + can_irq_set(&_can, (CanIrqType)type, 0); + } } -} -void CAN::attach(void (*fptr)(void)) { - if (fptr != NULL) { - _rxirq.attach(fptr); - setup_interrupt(); - } else { - remove_interrupt(); + void CAN::_irq_handler(uint32_t id, CanIrqType type) { + CAN *handler = (CAN*)id; + handler->_irq[type].call(); } -} } // namespace mbed diff --git a/libraries/mbed/hal/can_api.h b/libraries/mbed/hal/can_api.h index b681cae90c5..5f2179cded1 100644 --- a/libraries/mbed/hal/can_api.h +++ b/libraries/mbed/hal/can_api.h @@ -28,13 +28,43 @@ extern "C" { #endif +typedef enum { + IRQ_RX, + IRQ_TX, + IRQ_ERROR, + IRQ_OVERRUN, + IRQ_WAKEUP, + IRQ_PASSIVE, + IRQ_ARB, + IRQ_BUS, + IRQ_READY +} CanIrqType; + + +typedef enum { + MODE_RESET, + MODE_NORMAL, + MODE_SILENT, + MODE_TEST_GLOBAL, + MODE_TEST_LOCAL, + MODE_TEST_SILENT +} CanMode; + +typedef void (*can_irq_handler)(uint32_t id, CanIrqType type); + typedef struct can_s can_t; void can_init (can_t *obj, PinName rd, PinName td); void can_free (can_t *obj); int can_frequency(can_t *obj, int hz); + +void can_irq_init (can_t *obj, can_irq_handler handler, uint32_t id); +void can_irq_free (can_t *obj); +void can_irq_set (can_t *obj, CanIrqType irq, uint32_t enable); + int can_write (can_t *obj, CAN_Message, int cc); int can_read (can_t *obj, CAN_Message *msg); +int can_mode (can_t *obj, CanMode mode); void can_reset (can_t *obj); unsigned char can_rderror (can_t *obj); unsigned char can_tderror (can_t *obj); diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/LPC11xx.h b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/LPC11xx.h new file mode 100644 index 00000000000..b8a932607d9 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/LPC11xx.h @@ -0,0 +1,602 @@ +/**************************************************************************** + * $Id:: LPC11xx.h 9198 2012-05-29 usb00175 $ + * Project: NXP LPC11xx software example + * + * Description: + * CMSIS Cortex-M0 Core Peripheral Access Layer Header File for + * NXP LPC11xx Device Series + + **************************************************************************** + * Software that is described herein is for illustrative purposes only +* which provides customers with programming information regarding the +* products. This software is supplied "AS IS" without any warranties. +* NXP Semiconductors assumes no responsibility or liability for the +* use of the software, conveys no license or title under any patent, +* copyright, or mask work right to the product. NXP Semiconductors +* reserves the right to make changes in the software without +* notification. NXP Semiconductors also make no representation or +* warranty that such application will be suitable for the specified +* use without further testing or modification. + +* Permission to use, copy, modify, and distribute this software and its +* documentation is hereby granted, under NXP Semiconductors' +* relevant copyright in the software, without fee, provided that it +* is used in conjunction with NXP Semiconductors microcontrollers. This +* copyright, permission, and disclaimer notice must appear in all copies of +* this code. + +****************************************************************************/ +#ifndef __LPC11xx_H__ +#define __LPC11xx_H__ + +#ifdef __cplusplus + extern "C" { +#endif + +/** @addtogroup LPC11xx_Definitions LPC11xx Definitions + This file defines all structures and symbols for LPC11xx: + - Registers and bitfields + - peripheral base address + - peripheral ID + - PIO definitions + @{ +*/ + + +/******************************************************************************/ +/* Processor and Core Peripherals */ +/******************************************************************************/ +/** @addtogroup LPC11xx_CMSIS LPC11xx CMSIS Definitions + Configuration of the Cortex-M0 Processor and Core Peripherals + @{ +*/ + +/* + * ========================================================================== + * ---------- Interrupt Number Definition ----------------------------------- + * ========================================================================== + */ +typedef enum IRQn +{ +/****** Cortex-M0 Processor Exceptions Numbers ***************************************************/ + NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */ + HardFault_IRQn = -13, /*!< 3 Cortex-M0 Hard Fault Interrupt */ + SVCall_IRQn = -5, /*!< 11 Cortex-M0 SV Call Interrupt */ + PendSV_IRQn = -2, /*!< 14 Cortex-M0 Pend SV Interrupt */ + SysTick_IRQn = -1, /*!< 15 Cortex-M0 System Tick Interrupt */ + +/****** LPC11Cxx or LPC11xx Specific Interrupt Numbers *******************************************************/ + WAKEUP0_IRQn = 0, /*!< All I/O pins can be used as wakeup source. */ + WAKEUP1_IRQn = 1, /*!< There are 13 pins in total for LPC11xx */ + WAKEUP2_IRQn = 2, + WAKEUP3_IRQn = 3, + WAKEUP4_IRQn = 4, + WAKEUP5_IRQn = 5, + WAKEUP6_IRQn = 6, + WAKEUP7_IRQn = 7, + WAKEUP8_IRQn = 8, + WAKEUP9_IRQn = 9, + WAKEUP10_IRQn = 10, + WAKEUP11_IRQn = 11, + WAKEUP12_IRQn = 12, + CAN_IRQn = 13, /*!< CAN Interrupt */ + SSP1_IRQn = 14, /*!< SSP1 Interrupt */ + I2C_IRQn = 15, /*!< I2C Interrupt */ + TIMER_16_0_IRQn = 16, /*!< 16-bit Timer0 Interrupt */ + TIMER_16_1_IRQn = 17, /*!< 16-bit Timer1 Interrupt */ + TIMER_32_0_IRQn = 18, /*!< 32-bit Timer0 Interrupt */ + TIMER_32_1_IRQn = 19, /*!< 32-bit Timer1 Interrupt */ + SSP0_IRQn = 20, /*!< SSP0 Interrupt */ + UART_IRQn = 21, /*!< UART Interrupt */ + Reserved0_IRQn = 22, /*!< Reserved Interrupt */ + Reserved1_IRQn = 23, + ADC_IRQn = 24, /*!< A/D Converter Interrupt */ + WDT_IRQn = 25, /*!< Watchdog timer Interrupt */ + BOD_IRQn = 26, /*!< Brown Out Detect(BOD) Interrupt */ + FMC_IRQn = 27, /*!< Flash Memory Controller Interrupt */ + EINT3_IRQn = 28, /*!< External Interrupt 3 Interrupt */ + EINT2_IRQn = 29, /*!< External Interrupt 2 Interrupt */ + EINT1_IRQn = 30, /*!< External Interrupt 1 Interrupt */ + EINT0_IRQn = 31, /*!< External Interrupt 0 Interrupt */ +} IRQn_Type; + +/* + * ========================================================================== + * ----------- Processor and Core Peripheral Section ------------------------ + * ========================================================================== + */ + +/* Configuration of the Cortex-M0 Processor and Core Peripherals */ +#define __MPU_PRESENT 0 /*!< MPU present or not */ +#define __NVIC_PRIO_BITS 2 /*!< Number of Bits used for Priority Levels */ +#define __Vendor_SysTickConfig 0 /*!< Set to 1 if different SysTick Config is used */ + +/*@}*/ /* end of group LPC11xx_CMSIS */ + + +#include "core_cm0.h" /* Cortex-M0 processor and core peripherals */ +#include "system_LPC11xx.h" /* System Header */ + + +/******************************************************************************/ +/* Device Specific Peripheral Registers structures */ +/******************************************************************************/ + +#if defined ( __CC_ARM ) +#pragma anon_unions +#endif + +/*------------- System Control (SYSCON) --------------------------------------*/ +/** @addtogroup LPC11xx_SYSCON LPC11xx System Control Block + @{ +*/ +typedef struct +{ + __IO uint32_t SYSMEMREMAP; /*!< Offset: 0x000 System memory remap (R/W) */ + __IO uint32_t PRESETCTRL; /*!< Offset: 0x004 Peripheral reset control (R/W) */ + __IO uint32_t SYSPLLCTRL; /*!< Offset: 0x008 System PLL control (R/W) */ + __I uint32_t SYSPLLSTAT; /*!< Offset: 0x00C System PLL status (R/ ) */ + uint32_t RESERVED0[4]; + + __IO uint32_t SYSOSCCTRL; /*!< Offset: 0x020 System oscillator control (R/W) */ + __IO uint32_t WDTOSCCTRL; /*!< Offset: 0x024 Watchdog oscillator control (R/W) */ + __IO uint32_t IRCCTRL; /*!< Offset: 0x028 IRC control (R/W) */ + uint32_t RESERVED1[1]; + __IO uint32_t SYSRSTSTAT; /*!< Offset: 0x030 System reset status Register (R/ ) */ + uint32_t RESERVED2[3]; + __IO uint32_t SYSPLLCLKSEL; /*!< Offset: 0x040 System PLL clock source select (R/W) */ + __IO uint32_t SYSPLLCLKUEN; /*!< Offset: 0x044 System PLL clock source update enable (R/W) */ + uint32_t RESERVED3[10]; + + __IO uint32_t MAINCLKSEL; /*!< Offset: 0x070 Main clock source select (R/W) */ + __IO uint32_t MAINCLKUEN; /*!< Offset: 0x074 Main clock source update enable (R/W) */ + __IO uint32_t SYSAHBCLKDIV; /*!< Offset: 0x078 System AHB clock divider (R/W) */ + uint32_t RESERVED4[1]; + + __IO uint32_t SYSAHBCLKCTRL; /*!< Offset: 0x080 System AHB clock control (R/W) */ + uint32_t RESERVED5[4]; + __IO uint32_t SSP0CLKDIV; /*!< Offset: 0x094 SSP0 clock divider (R/W) */ + __IO uint32_t UARTCLKDIV; /*!< Offset: 0x098 UART clock divider (R/W) */ + __IO uint32_t SSP1CLKDIV; /*!< Offset: 0x09C SSP1 clock divider (R/W) */ + uint32_t RESERVED6[12]; + + __IO uint32_t WDTCLKSEL; /*!< Offset: 0x0D0 WDT clock source select (R/W) */ + __IO uint32_t WDTCLKUEN; /*!< Offset: 0x0D4 WDT clock source update enable (R/W) */ + __IO uint32_t WDTCLKDIV; /*!< Offset: 0x0D8 WDT clock divider (R/W) */ + uint32_t RESERVED8[1]; + __IO uint32_t CLKOUTCLKSEL; /*!< Offset: 0x0E0 CLKOUT clock source select (R/W) */ + __IO uint32_t CLKOUTUEN; /*!< Offset: 0x0E4 CLKOUT clock source update enable (R/W) */ + __IO uint32_t CLKOUTDIV; /*!< Offset: 0x0E8 CLKOUT clock divider (R/W) */ + uint32_t RESERVED9[5]; + + __IO uint32_t PIOPORCAP0; /*!< Offset: 0x100 POR captured PIO status 0 (R/ ) */ + __IO uint32_t PIOPORCAP1; /*!< Offset: 0x104 POR captured PIO status 1 (R/ ) */ + uint32_t RESERVED10[18]; + __IO uint32_t BODCTRL; /*!< Offset: 0x150 BOD control (R/W) */ + __IO uint32_t SYSTCKCAL; /*!< Offset: 0x154 System tick counter calibration (R/W) */ + + uint32_t RESERVED13[7]; + __IO uint32_t NMISRC; /*!< Offset: 0x174 NMI source selection register (R/W) */ + uint32_t RESERVED14[34]; + + __IO uint32_t STARTAPRP0; /*!< Offset: 0x200 Start logic edge control Register 0 (R/W) */ + __IO uint32_t STARTERP0; /*!< Offset: 0x204 Start logic signal enable Register 0 (R/W) */ + __O uint32_t STARTRSRP0CLR; /*!< Offset: 0x208 Start logic reset Register 0 ( /W) */ + __I uint32_t STARTSRP0; /*!< Offset: 0x20C Start logic status Register 0 (R/) */ + __IO uint32_t STARTAPRP1; /*!< Offset: 0x210 Start logic edge control Register 0 (R/W). (LPC11UXX only) */ + __IO uint32_t STARTERP1; /*!< Offset: 0x214 Start logic signal enable Register 0 (R/W). (LPC11UXX only) */ + __O uint32_t STARTRSRP1CLR; /*!< Offset: 0x218 Start logic reset Register 0 ( /W). (LPC11UXX only) */ + __IO uint32_t STARTSRP1; /*!< Offset: 0x21C Start logic status Register 0 (R/W). (LPC11UXX only) */ + uint32_t RESERVED17[4]; + + __IO uint32_t PDSLEEPCFG; /*!< Offset: 0x230 Power-down states in Deep-sleep mode (R/W) */ + __IO uint32_t PDAWAKECFG; /*!< Offset: 0x234 Power-down states after wake-up (R/W) */ + __IO uint32_t PDRUNCFG; /*!< Offset: 0x238 Power-down configuration Register (R/W) */ + uint32_t RESERVED15[110]; + __I uint32_t DEVICE_ID; /*!< Offset: 0x3F4 Device ID (R/ ) */ +} LPC_SYSCON_TypeDef; +/*@}*/ /* end of group LPC11xx_SYSCON */ + + +/*------------- Pin Connect Block (IOCON) --------------------------------*/ +/** @addtogroup LPC11xx_IOCON LPC11xx I/O Configuration Block + @{ +*/ +typedef struct +{ + __IO uint32_t PIO2_6; /*!< Offset: 0x000 I/O configuration for pin PIO2_6 (R/W) */ + uint32_t RESERVED0[1]; + __IO uint32_t PIO2_0; /*!< Offset: 0x008 I/O configuration for pin PIO2_0/DTR/SSEL1 (R/W) */ + __IO uint32_t RESET_PIO0_0; /*!< Offset: 0x00C I/O configuration for pin RESET/PIO0_0 (R/W) */ + __IO uint32_t PIO0_1; /*!< Offset: 0x010 I/O configuration for pin PIO0_1/CLKOUT/CT32B0_MAT2 (R/W) */ + __IO uint32_t PIO1_8; /*!< Offset: 0x014 I/O configuration for pin PIO1_8/CT16B1_CAP0 (R/W) */ + __IO uint32_t SSEL1_LOC; /*!< Offset: 0x018 IOCON SSEL1 location register (IOCON_SSEL1_LOC, address 0x4004 4018) */ + __IO uint32_t PIO0_2; /*!< Offset: 0x01C I/O configuration for pin PIO0_2/SSEL0/CT16B0_CAP0 (R/W) */ + + __IO uint32_t PIO2_7; /*!< Offset: 0x020 I/O configuration for pin PIO2_7 (R/W) */ + __IO uint32_t PIO2_8; /*!< Offset: 0x024 I/O configuration for pin PIO2_8 (R/W) */ + __IO uint32_t PIO2_1; /*!< Offset: 0x028 I/O configuration for pin PIO2_1/nDSR/SCK1 (R/W) */ + __IO uint32_t PIO0_3; /*!< Offset: 0x02C I/O configuration for pin PIO0_3 (R/W) */ + __IO uint32_t PIO0_4; /*!< Offset: 0x030 I/O configuration for pin PIO0_4/SCL (R/W) */ + __IO uint32_t PIO0_5; /*!< Offset: 0x034 I/O configuration for pin PIO0_5/SDA (R/W) */ + __IO uint32_t PIO1_9; /*!< Offset: 0x038 I/O configuration for pin PIO1_9/CT16B1_MAT0 (R/W) */ + __IO uint32_t PIO3_4; /*!< Offset: 0x03C I/O configuration for pin PIO3_4 (R/W) */ + + __IO uint32_t PIO2_4; /*!< Offset: 0x040 I/O configuration for pin PIO2_4 (R/W) */ + __IO uint32_t PIO2_5; /*!< Offset: 0x044 I/O configuration for pin PIO2_5 (R/W) */ + __IO uint32_t PIO3_5; /*!< Offset: 0x048 I/O configuration for pin PIO3_5 (R/W) */ + __IO uint32_t PIO0_6; /*!< Offset: 0x04C I/O configuration for pin PIO0_6/SCK0 (R/W) */ + __IO uint32_t PIO0_7; /*!< Offset: 0x050 I/O configuration for pin PIO0_7/nCTS (R/W) */ + __IO uint32_t PIO2_9; /*!< Offset: 0x054 I/O configuration for pin PIO2_9 (R/W) */ + __IO uint32_t PIO2_10; /*!< Offset: 0x058 I/O configuration for pin PIO2_10 (R/W) */ + __IO uint32_t PIO2_2; /*!< Offset: 0x05C I/O configuration for pin PIO2_2/DCD/MISO1 (R/W) */ + + __IO uint32_t PIO0_8; /*!< Offset: 0x060 I/O configuration for pin PIO0_8/MISO0/CT16B0_MAT0 (R/W) */ + __IO uint32_t PIO0_9; /*!< Offset: 0x064 I/O configuration for pin PIO0_9/MOSI0/CT16B0_MAT1 (R/W) */ + __IO uint32_t SWCLK_PIO0_10; /*!< Offset: 0x068 I/O configuration for pin SWCLK/PIO0_10/SCK0/CT16B0_MAT2 (R/W) */ + __IO uint32_t PIO1_10; /*!< Offset: 0x06C I/O configuration for pin PIO1_10/AD6/CT16B1_MAT1 (R/W) */ + __IO uint32_t PIO2_11; /*!< Offset: 0x070 I/O configuration for pin PIO2_11/SCK0 (R/W) */ + __IO uint32_t R_PIO0_11; /*!< Offset: 0x074 I/O configuration for pin TDI/PIO0_11/AD0/CT32B0_MAT3 (R/W) */ + __IO uint32_t R_PIO1_0; /*!< Offset: 0x078 I/O configuration for pin TMS/PIO1_0/AD1/CT32B1_CAP0 (R/W) */ + __IO uint32_t R_PIO1_1; /*!< Offset: 0x07C I/O configuration for pin TDO/PIO1_1/AD2/CT32B1_MAT0 (R/W) */ + + __IO uint32_t R_PIO1_2; /*!< Offset: 0x080 I/O configuration for pin nTRST/PIO1_2/AD3/CT32B1_MAT1 (R/W) */ + __IO uint32_t PIO3_0; /*!< Offset: 0x084 I/O configuration for pin PIO3_0/nDTR (R/W) */ + __IO uint32_t PIO3_1; /*!< Offset: 0x088 I/O configuration for pin PIO3_1/nDSR (R/W) */ + __IO uint32_t PIO2_3; /*!< Offset: 0x08C I/O configuration for pin PIO2_3/RI/MOSI1 (R/W) */ + __IO uint32_t SWDIO_PIO1_3; /*!< Offset: 0x090 I/O configuration for pin SWDIO/PIO1_3/AD4/CT32B1_MAT2 (R/W) */ + __IO uint32_t PIO1_4; /*!< Offset: 0x094 I/O configuration for pin PIO1_4/AD5/CT32B1_MAT3 (R/W) */ + __IO uint32_t PIO1_11; /*!< Offset: 0x098 I/O configuration for pin PIO1_11/AD7 (R/W) */ + __IO uint32_t PIO3_2; /*!< Offset: 0x09C I/O configuration for pin PIO3_2/nDCD (R/W) */ + + __IO uint32_t PIO1_5; /*!< Offset: 0x0A0 I/O configuration for pin PIO1_5/nRTS/CT32B0_CAP0 (R/W) */ + __IO uint32_t PIO1_6; /*!< Offset: 0x0A4 I/O configuration for pin PIO1_6/RXD/CT32B0_MAT0 (R/W) */ + __IO uint32_t PIO1_7; /*!< Offset: 0x0A8 I/O configuration for pin PIO1_7/TXD/CT32B0_MAT1 (R/W) */ + __IO uint32_t PIO3_3; /*!< Offset: 0x0AC I/O configuration for pin PIO3_3/nRI (R/W) */ + __IO uint32_t SCK_LOC; /*!< Offset: 0x0B0 SCK pin location select Register (R/W) */ + __IO uint32_t DSR_LOC; /*!< Offset: 0x0B4 DSR pin location select Register (R/W) */ + __IO uint32_t DCD_LOC; /*!< Offset: 0x0B8 DCD pin location select Register (R/W) */ + __IO uint32_t RI_LOC; /*!< Offset: 0x0BC RI pin location Register (R/W) */ + + __IO uint32_t CT16B0_CAP0_LOC; /*!< Offset: 0x0C0 IOCON CT16B0_CAP0 location register (IOCON_CT16B0_CAP0_LOC, address 0x4004 40C0) */ + __IO uint32_t SCK1_LOC; /*!< Offset: 0x0C4 IOCON SCK1 location register (IOCON_SCK1_LOC, address 0x4004 40C4) */ + __IO uint32_t MISO1_LOC; /*!< Offset: 0x0C8 IOCON MISO1 location register (IOCON_MISO1_LOC, address 0x4004 40C8) */ + __IO uint32_t MOSI1_LOC; /*!< Offset: 0x0CC IOCON MOSI1 location register (IOCON_MOSI1_LOC, address 0x4004 40CC) */ + __IO uint32_t CT32B0_CAP0_LOC; /*!< Offset: 0x0D0 IOCON CT32B0_CAP0 location register (IOCON_CT32B0_CAP0_LOC, address 0x4004 40D0) */ + __IO uint32_t RXD_LOC; /*!< Offset: 0x0D4 IOCON RXD location register (IOCON_RXD_LOC, address 0x4004 40D4) */ +} LPC_IOCON_TypeDef; +/*@}*/ /* end of group LPC11xx_IOCON */ + + +/*------------- Power Management Unit (PMU) --------------------------*/ +/** @addtogroup LPC11xx_PMU LPC11xx Power Management Unit + @{ +*/ +typedef struct +{ + __IO uint32_t PCON; /*!< Offset: 0x000 Power control Register (R/W) */ + __IO uint32_t GPREG0; /*!< Offset: 0x004 General purpose Register 0 (R/W) */ + __IO uint32_t GPREG1; /*!< Offset: 0x008 General purpose Register 1 (R/W) */ + __IO uint32_t GPREG2; /*!< Offset: 0x00C General purpose Register 2 (R/W) */ + __IO uint32_t GPREG3; /*!< Offset: 0x010 General purpose Register 3 (R/W) */ + __IO uint32_t GPREG4; /*!< Offset: 0x014 General purpose Register 4 (R/W) */ +} LPC_PMU_TypeDef; +/*@}*/ /* end of group LPC11xx_PMU */ + + + +// ------------------------------------------------------------------------------------------------ +// ----- FLASHCTRL ----- +// ------------------------------------------------------------------------------------------------ + +typedef struct { /*!< (@ 0x4003C000) FLASHCTRL Structure */ + __I uint32_t RESERVED0[4]; + __IO uint32_t FLASHCFG; /*!< (@ 0x4003C010) Flash memory access time configuration register */ + __I uint32_t RESERVED1[3]; + __IO uint32_t FMSSTART; /*!< (@ 0x4003C020) Signature start address register */ + __IO uint32_t FMSSTOP; /*!< (@ 0x4003C024) Signature stop-address register */ + __I uint32_t RESERVED2[1]; + __I uint32_t FMSW0; /*!< (@ 0x4003C02C) Word 0 [31:0] */ + __I uint32_t FMSW1; /*!< (@ 0x4003C030) Word 1 [63:32] */ + __I uint32_t FMSW2; /*!< (@ 0x4003C034) Word 2 [95:64] */ + __I uint32_t FMSW3; /*!< (@ 0x4003C038) Word 3 [127:96] */ + __I uint32_t RESERVED3[1001]; + __I uint32_t FMSTAT; /*!< (@ 0x4003CFE0) Signature generation status register */ + __I uint32_t RESERVED4[1]; + __IO uint32_t FMSTATCLR; /*!< (@ 0x4003CFE8) Signature generation status clear register */ +} LPC_FLASHCTRL_Type; + + +/*------------- General Purpose Input/Output (GPIO) --------------------------*/ +/** @addtogroup LPC11xx_GPIO LPC11xx General Purpose Input/Output + @{ +*/ +typedef struct +{ + union { + __IO uint32_t MASKED_ACCESS[4096]; /*!< Offset: 0x0000 to 0x3FFC Port data Register for pins PIOn_0 to PIOn_11 (R/W) */ + struct { + uint32_t RESERVED0[4095]; + __IO uint32_t DATA; /*!< Offset: 0x3FFC Port data Register (R/W) */ + }; + }; + uint32_t RESERVED1[4096]; + __IO uint32_t DIR; /*!< Offset: 0x8000 Data direction Register (R/W) */ + __IO uint32_t IS; /*!< Offset: 0x8004 Interrupt sense Register (R/W) */ + __IO uint32_t IBE; /*!< Offset: 0x8008 Interrupt both edges Register (R/W) */ + __IO uint32_t IEV; /*!< Offset: 0x800C Interrupt event Register (R/W) */ + __IO uint32_t IE; /*!< Offset: 0x8010 Interrupt mask Register (R/W) */ + __I uint32_t RIS; /*!< Offset: 0x8014 Raw interrupt status Register (R/ ) */ + __I uint32_t MIS; /*!< Offset: 0x8018 Masked interrupt status Register (R/ ) */ + __O uint32_t IC; /*!< Offset: 0x801C Interrupt clear Register (/W) */ +} LPC_GPIO_TypeDef; +/*@}*/ /* end of group LPC11xx_GPIO */ + +/*------------- Timer (TMR) --------------------------------------------------*/ +/** @addtogroup LPC11xx_TMR LPC11xx 16/32-bit Counter/Timer + @{ +*/ +typedef struct +{ + __IO uint32_t IR; /*!< Offset: 0x000 Interrupt Register (R/W) */ + __IO uint32_t TCR; /*!< Offset: 0x004 Timer Control Register (R/W) */ + __IO uint32_t TC; /*!< Offset: 0x008 Timer Counter Register (R/W) */ + __IO uint32_t PR; /*!< Offset: 0x00C Prescale Register (R/W) */ + __IO uint32_t PC; /*!< Offset: 0x010 Prescale Counter Register (R/W) */ + __IO uint32_t MCR; /*!< Offset: 0x014 Match Control Register (R/W) */ + union { + __IO uint32_t MR[4]; /*!< (@ 0x40014018) Match Register */ + struct{ + __IO uint32_t MR0; /*!< Offset: 0x018 Match Register 0 (R/W) */ + __IO uint32_t MR1; /*!< Offset: 0x01C Match Register 1 (R/W) */ + __IO uint32_t MR2; /*!< Offset: 0x020 Match Register 2 (R/W) */ + __IO uint32_t MR3; /*!< Offset: 0x024 Match Register 3 (R/W) */ + }; + }; + __IO uint32_t CCR; /*!< Offset: 0x028 Capture Control Register (R/W) */ + __I uint32_t CR0; /*!< Offset: 0x02C Capture Register 0 (R/ ) */ + __I uint32_t CR1; /*!< Offset: 0x030 Capture Register 1 (R/ ) */ + uint32_t RESERVED1[2]; + __IO uint32_t EMR; /*!< Offset: 0x03C External Match Register (R/W) */ + uint32_t RESERVED2[12]; + __IO uint32_t CTCR; /*!< Offset: 0x070 Count Control Register (R/W) */ + __IO uint32_t PWMC; /*!< Offset: 0x074 PWM Control Register (R/W) */ +} LPC_TMR_TypeDef; +/*@}*/ /* end of group LPC11xx_TMR */ + + +/*------------- Universal Asynchronous Receiver Transmitter (UART) -----------*/ +/** @addtogroup LPC11xx_UART LPC11xx Universal Asynchronous Receiver/Transmitter + @{ +*/ +typedef struct +{ + union { + __I uint32_t RBR; /*!< Offset: 0x000 Receiver Buffer Register (R/ ) */ + __O uint32_t THR; /*!< Offset: 0x000 Transmit Holding Register ( /W) */ + __IO uint32_t DLL; /*!< Offset: 0x000 Divisor Latch LSB (R/W) */ + }; + union { + __IO uint32_t DLM; /*!< Offset: 0x004 Divisor Latch MSB (R/W) */ + __IO uint32_t IER; /*!< Offset: 0x000 Interrupt Enable Register (R/W) */ + }; + union { + __I uint32_t IIR; /*!< Offset: 0x008 Interrupt ID Register (R/ ) */ + __O uint32_t FCR; /*!< Offset: 0x008 FIFO Control Register ( /W) */ + }; + __IO uint32_t LCR; /*!< Offset: 0x00C Line Control Register (R/W) */ + __IO uint32_t MCR; /*!< Offset: 0x010 Modem control Register (R/W) */ + __I uint32_t LSR; /*!< Offset: 0x014 Line Status Register (R/ ) */ + __I uint32_t MSR; /*!< Offset: 0x018 Modem status Register (R/ ) */ + __IO uint32_t SCR; /*!< Offset: 0x01C Scratch Pad Register (R/W) */ + __IO uint32_t ACR; /*!< Offset: 0x020 Auto-baud Control Register (R/W) */ + uint32_t RESERVED0; + __IO uint32_t FDR; /*!< Offset: 0x028 Fractional Divider Register (R/W) */ + uint32_t RESERVED1; + __IO uint32_t TER; /*!< Offset: 0x030 Transmit Enable Register (R/W) */ + uint32_t RESERVED2[6]; + __IO uint32_t RS485CTRL; /*!< Offset: 0x04C RS-485/EIA-485 Control Register (R/W) */ + __IO uint32_t ADRMATCH; /*!< Offset: 0x050 RS-485/EIA-485 address match Register (R/W) */ + __IO uint32_t RS485DLY; /*!< Offset: 0x054 RS-485/EIA-485 direction control delay Register (R/W) */ + __I uint32_t FIFOLVL; /*!< Offset: 0x058 FIFO Level Register (R) */ +} LPC_UART_TypeDef; +/*@}*/ /* end of group LPC11xx_UART */ + + +/*------------- Synchronous Serial Communication (SSP) -----------------------*/ +/** @addtogroup LPC11xx_SSP LPC11xx Synchronous Serial Port + @{ +*/ +typedef struct +{ + __IO uint32_t CR0; /*!< Offset: 0x000 Control Register 0 (R/W) */ + __IO uint32_t CR1; /*!< Offset: 0x004 Control Register 1 (R/W) */ + __IO uint32_t DR; /*!< Offset: 0x008 Data Register (R/W) */ + __I uint32_t SR; /*!< Offset: 0x00C Status Registe (R/ ) */ + __IO uint32_t CPSR; /*!< Offset: 0x010 Clock Prescale Register (R/W) */ + __IO uint32_t IMSC; /*!< Offset: 0x014 Interrupt Mask Set and Clear Register (R/W) */ + __I uint32_t RIS; /*!< Offset: 0x018 Raw Interrupt Status Register (R/) */ + __I uint32_t MIS; /*!< Offset: 0x01C Masked Interrupt Status Register (R/) */ + __O uint32_t ICR; /*!< Offset: 0x020 SSPICR Interrupt Clear Register (/W) */ +} LPC_SSP_TypeDef; +/*@}*/ /* end of group LPC11xx_SSP */ + + +/*------------- Inter-Integrated Circuit (I2C) -------------------------------*/ +/** @addtogroup LPC11xx_I2C LPC11xx I2C-Bus Interface + @{ +*/ +typedef struct +{ + __IO uint32_t CONSET; /*!< Offset: 0x000 I2C Control Set Register (R/W) */ + __I uint32_t STAT; /*!< Offset: 0x004 I2C Status Register (R/ ) */ + __IO uint32_t DAT; /*!< Offset: 0x008 I2C Data Register (R/W) */ + __IO uint32_t ADR0; /*!< Offset: 0x00C I2C Slave Address Register 0 (R/W) */ + __IO uint32_t SCLH; /*!< Offset: 0x010 SCH Duty Cycle Register High Half Word (R/W) */ + __IO uint32_t SCLL; /*!< Offset: 0x014 SCL Duty Cycle Register Low Half Word (R/W) */ + __O uint32_t CONCLR; /*!< Offset: 0x018 I2C Control Clear Register ( /W) */ + __IO uint32_t MMCTRL; /*!< Offset: 0x01C Monitor mode control register (R/W) */ + __IO uint32_t ADR1; /*!< Offset: 0x020 I2C Slave Address Register 1 (R/W) */ + __IO uint32_t ADR2; /*!< Offset: 0x024 I2C Slave Address Register 2 (R/W) */ + __IO uint32_t ADR3; /*!< Offset: 0x028 I2C Slave Address Register 3 (R/W) */ + __I uint32_t DATA_BUFFER; /*!< Offset: 0x02C Data buffer register ( /W) */ + __IO uint32_t MASK0; /*!< Offset: 0x030 I2C Slave address mask register 0 (R/W) */ + __IO uint32_t MASK1; /*!< Offset: 0x034 I2C Slave address mask register 1 (R/W) */ + __IO uint32_t MASK2; /*!< Offset: 0x038 I2C Slave address mask register 2 (R/W) */ + __IO uint32_t MASK3; /*!< Offset: 0x03C I2C Slave address mask register 3 (R/W) */ +} LPC_I2C_TypeDef; +/*@}*/ /* end of group LPC11xx_I2C */ + + +/*------------- Watchdog Timer (WDT) -----------------------------------------*/ +/** @addtogroup LPC11xx_WDT LPC11xx WatchDog Timer + @{ +*/ +typedef struct +{ + __IO uint32_t MOD; /*!< Offset: 0x000 Watchdog mode register (R/W) */ + __IO uint32_t TC; /*!< Offset: 0x004 Watchdog timer constant register (R/W) */ + __O uint32_t FEED; /*!< Offset: 0x008 Watchdog feed sequence register (W) */ + __I uint32_t TV; /*!< Offset: 0x00C Watchdog timer value register (R) */ + uint32_t RESERVED0; + __IO uint32_t WARNINT; /*!< Offset: 0x014 Watchdog timer warning int. register (R/W) */ + __IO uint32_t WINDOW; /*!< Offset: 0x018 Watchdog timer window value register (R/W) */ +} LPC_WDT_TypeDef; +/*@}*/ /* end of group LPC11xx_WDT */ + + +/*------------- Analog-to-Digital Converter (ADC) ----------------------------*/ +/** @addtogroup LPC11xx_ADC LPC11xx Analog-to-Digital Converter + @{ +*/ +typedef struct +{ + __IO uint32_t CR; /*!< Offset: 0x000 A/D Control Register (R/W) */ + __IO uint32_t GDR; /*!< Offset: 0x004 A/D Global Data Register (R/W) */ + uint32_t RESERVED0; + __IO uint32_t INTEN; /*!< Offset: 0x00C A/D Interrupt Enable Register (R/W) */ + __IO uint32_t DR[8]; /*!< Offset: 0x010-0x02C A/D Channel 0..7 Data Register (R/W) */ + __I uint32_t STAT; /*!< Offset: 0x030 A/D Status Register (R/ ) */ +} LPC_ADC_TypeDef; +/*@}*/ /* end of group LPC11xx_ADC */ + + +/*------------- CAN Controller (CAN) ----------------------------*/ +/** @addtogroup LPC11xx_CAN LPC11xx Controller Area Network(CAN) + @{ +*/ +typedef struct +{ + __IO uint32_t CNTL; /* 0x000 */ + __IO uint32_t STAT; + __IO uint32_t EC; + __IO uint32_t BT; + __IO uint32_t INT; + __IO uint32_t TEST; + __IO uint32_t BRPE; + uint32_t RESERVED0; + __IO uint32_t IF1_CMDREQ; /* 0x020 */ + __IO uint32_t IF1_CMDMSK; + __IO uint32_t IF1_MSK1; + __IO uint32_t IF1_MSK2; + __IO uint32_t IF1_ARB1; + __IO uint32_t IF1_ARB2; + __IO uint32_t IF1_MCTRL; + __IO uint32_t IF1_DA1; + __IO uint32_t IF1_DA2; + __IO uint32_t IF1_DB1; + __IO uint32_t IF1_DB2; + uint32_t RESERVED1[13]; + __IO uint32_t IF2_CMDREQ; /* 0x080 */ + __IO uint32_t IF2_CMDMSK; + __IO uint32_t IF2_MSK1; + __IO uint32_t IF2_MSK2; + __IO uint32_t IF2_ARB1; + __IO uint32_t IF2_ARB2; + __IO uint32_t IF2_MCTRL; + __IO uint32_t IF2_DA1; + __IO uint32_t IF2_DA2; + __IO uint32_t IF2_DB1; + __IO uint32_t IF2_DB2; + uint32_t RESERVED2[21]; + __I uint32_t TXREQ1; /* 0x100 */ + __I uint32_t TXREQ2; + uint32_t RESERVED3[6]; + __I uint32_t ND1; /* 0x120 */ + __I uint32_t ND2; + uint32_t RESERVED4[6]; + __I uint32_t IR1; /* 0x140 */ + __I uint32_t IR2; + uint32_t RESERVED5[6]; + __I uint32_t MSGV1; /* 0x160 */ + __I uint32_t MSGV2; + uint32_t RESERVED6[6]; + __IO uint32_t CLKDIV; /* 0x180 */ +} LPC_CAN_TypeDef; +/*@}*/ /* end of group LPC11xx_CAN */ + +#if defined ( __CC_ARM ) +#pragma no_anon_unions +#endif + +/******************************************************************************/ +/* Peripheral memory map */ +/******************************************************************************/ +/* Base addresses */ +#define LPC_FLASH_BASE (0x00000000UL) +#define LPC_RAM_BASE (0x10000000UL) +#define LPC_APB0_BASE (0x40000000UL) +#define LPC_AHB_BASE (0x50000000UL) + +/* APB0 peripherals */ +#define LPC_I2C_BASE (LPC_APB0_BASE + 0x00000) +#define LPC_WDT_BASE (LPC_APB0_BASE + 0x04000) +#define LPC_UART_BASE (LPC_APB0_BASE + 0x08000) +#define LPC_CT16B0_BASE (LPC_APB0_BASE + 0x0C000) +#define LPC_CT16B1_BASE (LPC_APB0_BASE + 0x10000) +#define LPC_CT32B0_BASE (LPC_APB0_BASE + 0x14000) +#define LPC_CT32B1_BASE (LPC_APB0_BASE + 0x18000) +#define LPC_ADC_BASE (LPC_APB0_BASE + 0x1C000) +#define LPC_PMU_BASE (LPC_APB0_BASE + 0x38000) +#define LPC_FLASHCTRL_BASE (LPC_APB0_BASE + 0x3C000) +#define LPC_SSP0_BASE (LPC_APB0_BASE + 0x40000) +#define LPC_IOCON_BASE (LPC_APB0_BASE + 0x44000) +#define LPC_SYSCON_BASE (LPC_APB0_BASE + 0x48000) +#define LPC_CAN_BASE (LPC_APB0_BASE + 0x50000) +#define LPC_SSP1_BASE (LPC_APB0_BASE + 0x58000) + +/* AHB peripherals */ +#define LPC_GPIO_BASE (LPC_AHB_BASE + 0x00000) +#define LPC_GPIO0_BASE (LPC_AHB_BASE + 0x00000) +#define LPC_GPIO1_BASE (LPC_AHB_BASE + 0x10000) +#define LPC_GPIO2_BASE (LPC_AHB_BASE + 0x20000) +#define LPC_GPIO3_BASE (LPC_AHB_BASE + 0x30000) + +/******************************************************************************/ +/* Peripheral declaration */ +/******************************************************************************/ +#define LPC_I2C ((LPC_I2C_TypeDef *) LPC_I2C_BASE ) +#define LPC_WDT ((LPC_WDT_TypeDef *) LPC_WDT_BASE ) +#define LPC_UART ((LPC_UART_TypeDef *) LPC_UART_BASE ) +#define LPC_TMR16B0 ((LPC_TMR_TypeDef *) LPC_CT16B0_BASE) +#define LPC_TMR16B1 ((LPC_TMR_TypeDef *) LPC_CT16B1_BASE) +#define LPC_TMR32B0 ((LPC_TMR_TypeDef *) LPC_CT32B0_BASE) +#define LPC_TMR32B1 ((LPC_TMR_TypeDef *) LPC_CT32B1_BASE) +#define LPC_ADC ((LPC_ADC_TypeDef *) LPC_ADC_BASE ) +#define LPC_PMU ((LPC_PMU_TypeDef *) LPC_PMU_BASE ) +#define LPC_FLASHCTRL ((LPC_FLASHCTRL_Type *) LPC_FLASHCTRL_BASE) +#define LPC_SSP0 ((LPC_SSP_TypeDef *) LPC_SSP0_BASE ) +#define LPC_SSP1 ((LPC_SSP_TypeDef *) LPC_SSP1_BASE ) +#define LPC_CAN ((LPC_CAN_TypeDef *) LPC_CAN_BASE ) +#define LPC_IOCON ((LPC_IOCON_TypeDef *) LPC_IOCON_BASE ) +#define LPC_SYSCON ((LPC_SYSCON_TypeDef *) LPC_SYSCON_BASE) +#define LPC_GPIO0 ((LPC_GPIO_TypeDef *) LPC_GPIO0_BASE ) +#define LPC_GPIO1 ((LPC_GPIO_TypeDef *) LPC_GPIO1_BASE ) +#define LPC_GPIO2 ((LPC_GPIO_TypeDef *) LPC_GPIO2_BASE ) +#define LPC_GPIO3 ((LPC_GPIO_TypeDef *) LPC_GPIO3_BASE ) + +#ifdef __cplusplus +} +#endif + +#endif /* __LPC11xx_H__ */ diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/LPC1114.sct b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/LPC1114.sct new file mode 100644 index 00000000000..0a7772d0c31 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/LPC1114.sct @@ -0,0 +1,14 @@ + +LR_IROM1 0x00000000 0x8000 { ; load region size_region (32k) + ER_IROM1 0x00000000 0x8000 { ; load address = execution address + *.o (RESET, +First) + *(InRoot$$Sections) + .ANY (+RO) + } + ; 8_byte_aligned(48 vect * 4 bytes) = 8_byte_aligned(0xC0) = 0xC0 + ; 8KB - 0xC0 = 0xF40 + RW_IRAM1 0x100000C0 0xF40 { + .ANY (+RW +ZI) + } +} + diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/startup_LPC11xx.s b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/startup_LPC11xx.s new file mode 100644 index 00000000000..84df623515f --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/startup_LPC11xx.s @@ -0,0 +1,303 @@ +;/***************************************************************************** +; * @file: startup_LPC11xx.s +; * @purpose: CMSIS Cortex-M0 Core Device Startup File +; * for the NXP LPC11xx Device Series +; * @version: V1.0 +; * @date: 25. Nov. 2008 +; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------ +; * +; * Copyright (C) 2008 ARM Limited. All rights reserved. +; * ARM Limited (ARM) is supplying this software for use with Cortex-M0 +; * processor based microcontrollers. This file can be freely distributed +; * within development tools that are supporting such ARM based processors. +; * +; * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED +; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF +; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. +; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR +; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. +; * +; *****************************************************************************/ + +Stack_Size EQU 0x00000400 + + AREA STACK, NOINIT, READWRITE, ALIGN=3 + EXPORT __initial_sp + +Stack_Mem SPACE Stack_Size +__initial_sp EQU 0x10001000 ; Top of RAM from LPC1114 + + +Heap_Size EQU 0x00000000 + + AREA HEAP, NOINIT, READWRITE, ALIGN=3 + EXPORT __heap_base + EXPORT __heap_limit + +__heap_base +Heap_Mem SPACE Heap_Size +__heap_limit + + PRESERVE8 + THUMB + +; Vector Table Mapped to Address 0 at Reset + + AREA RESET, DATA, READONLY + EXPORT __Vectors + +__Vectors DCD __initial_sp ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + DCD FLEX_INT0_IRQHandler ; All GPIO pin can be routed to FLEX_INTx + DCD FLEX_INT1_IRQHandler ; + DCD FLEX_INT2_IRQHandler ; + DCD FLEX_INT3_IRQHandler ; + DCD FLEX_INT4_IRQHandler ; + DCD FLEX_INT5_IRQHandler ; + DCD FLEX_INT6_IRQHandler ; + DCD FLEX_INT7_IRQHandler ; + DCD GINT0_IRQHandler ; + DCD GINT1_IRQHandler ; PIO0 (0:7) + DCD Reserved_IRQHandler ; Reserved + DCD Reserved_IRQHandler ; + DCD Reserved_IRQHandler ; + DCD Reserved_IRQHandler ; + DCD SSP1_IRQHandler ; SSP1 + DCD I2C_IRQHandler ; I2C + DCD TIMER16_0_IRQHandler ; 16-bit Timer0 + DCD TIMER16_1_IRQHandler ; 16-bit Timer1 + DCD TIMER32_0_IRQHandler ; 32-bit Timer0 + DCD TIMER32_1_IRQHandler ; 32-bit Timer1 + DCD SSP0_IRQHandler ; SSP0 + DCD UART_IRQHandler ; UART + DCD USB_IRQHandler ; USB IRQ + DCD USB_FIQHandler ; USB FIQ + DCD ADC_IRQHandler ; A/D Converter + DCD WDT_IRQHandler ; Watchdog timer + DCD BOD_IRQHandler ; Brown Out Detect + DCD FMC_IRQHandler ; IP2111 Flash Memory Controller + DCD Reserved_IRQHandler ; Reserved + DCD Reserved_IRQHandler ; Reserved + DCD Reserved_IRQHandler ; Reserved + DCD Reserved_IRQHandler ; Reserved + + ;; 48 vector entries. We pad to 128 to fill the 0x0 - 0x1FF REMAP address space + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + IF :LNOT::DEF:NO_CRP + AREA |.ARM.__at_0x02FC|, CODE, READONLY +CRP_Key DCD 0xFFFFFFFF + ENDIF + + + AREA |.text|, CODE, READONLY + + + +; Reset Handler + +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT SystemInit + IMPORT __main + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + +; Dummy Exception Handlers (infinite loops which can be modified) + +; now, under COMMON NMI.c and NMI.h, a real NMI handler is created if NMI is enabled +; for particular peripheral. +;NMI_Handler PROC +; EXPORT NMI_Handler [WEAK] +; B . +; ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +PendSV_Handler PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP +Reserved_IRQHandler PROC + EXPORT Reserved_IRQHandler [WEAK] + B . + ENDP + +Default_Handler PROC +; for LPC11Uxx (With USB) + EXPORT NMI_Handler [WEAK] + EXPORT FLEX_INT0_IRQHandler [WEAK] + EXPORT FLEX_INT1_IRQHandler [WEAK] + EXPORT FLEX_INT2_IRQHandler [WEAK] + EXPORT FLEX_INT3_IRQHandler [WEAK] + EXPORT FLEX_INT4_IRQHandler [WEAK] + EXPORT FLEX_INT5_IRQHandler [WEAK] + EXPORT FLEX_INT6_IRQHandler [WEAK] + EXPORT FLEX_INT7_IRQHandler [WEAK] + EXPORT GINT0_IRQHandler [WEAK] + EXPORT GINT1_IRQHandler [WEAK] + EXPORT SSP1_IRQHandler [WEAK] + EXPORT I2C_IRQHandler [WEAK] + EXPORT TIMER16_0_IRQHandler [WEAK] + EXPORT TIMER16_1_IRQHandler [WEAK] + EXPORT TIMER32_0_IRQHandler [WEAK] + EXPORT TIMER32_1_IRQHandler [WEAK] + EXPORT SSP0_IRQHandler [WEAK] + EXPORT UART_IRQHandler [WEAK] + + EXPORT USB_IRQHandler [WEAK] + EXPORT USB_FIQHandler [WEAK] + EXPORT ADC_IRQHandler [WEAK] + EXPORT WDT_IRQHandler [WEAK] + EXPORT BOD_IRQHandler [WEAK] + EXPORT FMC_IRQHandler [WEAK] + EXPORT USBWakeup_IRQHandler [WEAK] + +NMI_Handler +FLEX_INT0_IRQHandler +FLEX_INT1_IRQHandler +FLEX_INT2_IRQHandler +FLEX_INT3_IRQHandler +FLEX_INT4_IRQHandler +FLEX_INT5_IRQHandler +FLEX_INT6_IRQHandler +FLEX_INT7_IRQHandler +GINT0_IRQHandler +GINT1_IRQHandler +SSP1_IRQHandler +I2C_IRQHandler +TIMER16_0_IRQHandler +TIMER16_1_IRQHandler +TIMER32_0_IRQHandler +TIMER32_1_IRQHandler +SSP0_IRQHandler +UART_IRQHandler +USB_IRQHandler +USB_FIQHandler +ADC_IRQHandler +WDT_IRQHandler +BOD_IRQHandler +FMC_IRQHandler +USBWakeup_IRQHandler + + B . + + ENDP + + ALIGN + END diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/sys.cpp b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/sys.cpp new file mode 100644 index 00000000000..2f1024ace8b --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_MICRO/sys.cpp @@ -0,0 +1,31 @@ +/* mbed Microcontroller Library - stackheap + * Copyright (C) 2009-2011 ARM Limited. All rights reserved. + * + * Setup a fixed single stack/heap memory model, + * between the top of the RW/ZI region and the stackpointer + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +extern char Image$$RW_IRAM1$$ZI$$Limit[]; + +extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) { + uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit; + uint32_t sp_limit = __current_sp(); + + zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned + + struct __initial_stackheap r; + r.heap_base = zi_limit; + r.heap_limit = sp_limit; + return r; +} + +#ifdef __cplusplus +} +#endif diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/LPC1114.sct b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/LPC1114.sct new file mode 100644 index 00000000000..0a7772d0c31 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/LPC1114.sct @@ -0,0 +1,14 @@ + +LR_IROM1 0x00000000 0x8000 { ; load region size_region (32k) + ER_IROM1 0x00000000 0x8000 { ; load address = execution address + *.o (RESET, +First) + *(InRoot$$Sections) + .ANY (+RO) + } + ; 8_byte_aligned(48 vect * 4 bytes) = 8_byte_aligned(0xC0) = 0xC0 + ; 8KB - 0xC0 = 0xF40 + RW_IRAM1 0x100000C0 0xF40 { + .ANY (+RW +ZI) + } +} + diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/startup_LPC11xx.s b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/startup_LPC11xx.s new file mode 100644 index 00000000000..310568eb276 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/startup_LPC11xx.s @@ -0,0 +1,286 @@ +;/***************************************************************************** +; * @file: startup_LPC11xx.s +; * @purpose: CMSIS Cortex-M0 Core Device Startup File +; * for the NXP LPC11xx Device Series +; * @version: V1.0 +; * @date: 25. Nov. 2008 +; *------- <<< Use Configuration Wizard in Context Menu >>> ------------------ +; * +; * Copyright (C) 2008 ARM Limited. All rights reserved. +; * ARM Limited (ARM) is supplying this software for use with Cortex-M0 +; * processor based microcontrollers. This file can be freely distributed +; * within development tools that are supporting such ARM based processors. +; * +; * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED +; * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF +; * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. +; * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR +; * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. +; * +; *****************************************************************************/ + +__initial_sp EQU 0x10001000 ; Top of RAM from LPC1114 + + PRESERVE8 + THUMB + +; Vector Table Mapped to Address 0 at Reset + + AREA RESET, DATA, READONLY + EXPORT __Vectors + +__Vectors DCD __initial_sp ; Top of Stack + DCD Reset_Handler ; Reset Handler + DCD NMI_Handler ; NMI Handler + DCD HardFault_Handler ; Hard Fault Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD SVC_Handler ; SVCall Handler + DCD 0 ; Reserved + DCD 0 ; Reserved + DCD PendSV_Handler ; PendSV Handler + DCD SysTick_Handler ; SysTick Handler + + DCD FLEX_INT0_IRQHandler ; All GPIO pin can be routed to FLEX_INTx + DCD FLEX_INT1_IRQHandler ; + DCD FLEX_INT2_IRQHandler ; + DCD FLEX_INT3_IRQHandler ; + DCD FLEX_INT4_IRQHandler ; + DCD FLEX_INT5_IRQHandler ; + DCD FLEX_INT6_IRQHandler ; + DCD FLEX_INT7_IRQHandler ; + DCD GINT0_IRQHandler ; + DCD GINT1_IRQHandler ; PIO0 (0:7) + DCD Reserved_IRQHandler ; Reserved + DCD Reserved_IRQHandler ; + DCD Reserved_IRQHandler ; + DCD Reserved_IRQHandler ; + DCD SSP1_IRQHandler ; SSP1 + DCD I2C_IRQHandler ; I2C + DCD TIMER16_0_IRQHandler ; 16-bit Timer0 + DCD TIMER16_1_IRQHandler ; 16-bit Timer1 + DCD TIMER32_0_IRQHandler ; 32-bit Timer0 + DCD TIMER32_1_IRQHandler ; 32-bit Timer1 + DCD SSP0_IRQHandler ; SSP0 + DCD UART_IRQHandler ; UART + DCD USB_IRQHandler ; USB IRQ + DCD USB_FIQHandler ; USB FIQ + DCD ADC_IRQHandler ; A/D Converter + DCD WDT_IRQHandler ; Watchdog timer + DCD BOD_IRQHandler ; Brown Out Detect + DCD FMC_IRQHandler ; IP2111 Flash Memory Controller + DCD Reserved_IRQHandler ; Reserved + DCD Reserved_IRQHandler ; Reserved + DCD Reserved_IRQHandler ; Reserved + DCD Reserved_IRQHandler ; Reserved + + ;; 48 vector entries. We pad to 128 to fill the 0x0 - 0x1FF REMAP address space + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + DCD 0xFFFFFFFF ; Datafill + + IF :LNOT::DEF:NO_CRP + AREA |.ARM.__at_0x02FC|, CODE, READONLY +CRP_Key DCD 0xFFFFFFFF + ENDIF + + + AREA |.text|, CODE, READONLY + + + +; Reset Handler + +Reset_Handler PROC + EXPORT Reset_Handler [WEAK] + IMPORT SystemInit + IMPORT __main + LDR R0, =SystemInit + BLX R0 + LDR R0, =__main + BX R0 + ENDP + +; Dummy Exception Handlers (infinite loops which can be modified) + +; now, under COMMON NMI.c and NMI.h, a real NMI handler is created if NMI is enabled +; for particular peripheral. +;NMI_Handler PROC +; EXPORT NMI_Handler [WEAK] +; B . +; ENDP +HardFault_Handler\ + PROC + EXPORT HardFault_Handler [WEAK] + B . + ENDP +SVC_Handler PROC + EXPORT SVC_Handler [WEAK] + B . + ENDP +PendSV_Handler PROC + EXPORT PendSV_Handler [WEAK] + B . + ENDP +SysTick_Handler PROC + EXPORT SysTick_Handler [WEAK] + B . + ENDP +Reserved_IRQHandler PROC + EXPORT Reserved_IRQHandler [WEAK] + B . + ENDP + +Default_Handler PROC +; for LPC11Uxx (With USB) + EXPORT NMI_Handler [WEAK] + EXPORT FLEX_INT0_IRQHandler [WEAK] + EXPORT FLEX_INT1_IRQHandler [WEAK] + EXPORT FLEX_INT2_IRQHandler [WEAK] + EXPORT FLEX_INT3_IRQHandler [WEAK] + EXPORT FLEX_INT4_IRQHandler [WEAK] + EXPORT FLEX_INT5_IRQHandler [WEAK] + EXPORT FLEX_INT6_IRQHandler [WEAK] + EXPORT FLEX_INT7_IRQHandler [WEAK] + EXPORT GINT0_IRQHandler [WEAK] + EXPORT GINT1_IRQHandler [WEAK] + EXPORT SSP1_IRQHandler [WEAK] + EXPORT I2C_IRQHandler [WEAK] + EXPORT TIMER16_0_IRQHandler [WEAK] + EXPORT TIMER16_1_IRQHandler [WEAK] + EXPORT TIMER32_0_IRQHandler [WEAK] + EXPORT TIMER32_1_IRQHandler [WEAK] + EXPORT SSP0_IRQHandler [WEAK] + EXPORT UART_IRQHandler [WEAK] + + EXPORT USB_IRQHandler [WEAK] + EXPORT USB_FIQHandler [WEAK] + EXPORT ADC_IRQHandler [WEAK] + EXPORT WDT_IRQHandler [WEAK] + EXPORT BOD_IRQHandler [WEAK] + EXPORT FMC_IRQHandler [WEAK] + EXPORT USBWakeup_IRQHandler [WEAK] + +NMI_Handler +FLEX_INT0_IRQHandler +FLEX_INT1_IRQHandler +FLEX_INT2_IRQHandler +FLEX_INT3_IRQHandler +FLEX_INT4_IRQHandler +FLEX_INT5_IRQHandler +FLEX_INT6_IRQHandler +FLEX_INT7_IRQHandler +GINT0_IRQHandler +GINT1_IRQHandler +SSP1_IRQHandler +I2C_IRQHandler +TIMER16_0_IRQHandler +TIMER16_1_IRQHandler +TIMER32_0_IRQHandler +TIMER32_1_IRQHandler +SSP0_IRQHandler +UART_IRQHandler +USB_IRQHandler +USB_FIQHandler +ADC_IRQHandler +WDT_IRQHandler +BOD_IRQHandler +FMC_IRQHandler +USBWakeup_IRQHandler + + B . + + ENDP + + ALIGN + END diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/sys.cpp b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/sys.cpp new file mode 100644 index 00000000000..2f1024ace8b --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_ARM_STD/sys.cpp @@ -0,0 +1,31 @@ +/* mbed Microcontroller Library - stackheap + * Copyright (C) 2009-2011 ARM Limited. All rights reserved. + * + * Setup a fixed single stack/heap memory model, + * between the top of the RW/ZI region and the stackpointer + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include +#include + +extern char Image$$RW_IRAM1$$ZI$$Limit[]; + +extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) { + uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit; + uint32_t sp_limit = __current_sp(); + + zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned + + struct __initial_stackheap r; + r.heap_base = zi_limit; + r.heap_limit = sp_limit; + return r; +} + +#ifdef __cplusplus +} +#endif diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_ARM/LPC1114.ld b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_ARM/LPC1114.ld new file mode 100644 index 00000000000..3f3cd511672 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_ARM/LPC1114.ld @@ -0,0 +1,146 @@ +/* Linker script for mbed LPC1114 */ + +/* Linker script to configure memory regions. */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 32K + RAM (rwx) : ORIGIN = 0x10000000, LENGTH = 2K +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + KEEP(*(.isr_vector)) + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + __exidx_end = .; + + __etext = .; + + .data : AT (__etext) + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE (__fini_array_end = .); + + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + + } > RAM + + .bss : + { + __bss_start__ = .; + *(.bss*) + *(COMMON) + __bss_end__ = .; + } > RAM + + .heap : + { + __end__ = .; + end = __end__; + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy : + { + *(.stack) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_ARM/startup_LPC11xx.s b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_ARM/startup_LPC11xx.s new file mode 100644 index 00000000000..3ffdd07e58a --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_ARM/startup_LPC11xx.s @@ -0,0 +1,213 @@ +/* File: startup_ARMCM0.S + * Purpose: startup file for Cortex-M0 devices. Should use with + * GCC for ARM Embedded Processors + * Version: V1.2 + * Date: 15 Nov 2011 + * + * Copyright (c) 2011, ARM Limited + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * Neither the name of the ARM Limited nor the + names of its contributors may be used to endorse or promote products + derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + .syntax unified + .arch armv6-m + +/* Memory Model + The HEAP starts at the end of the DATA section and grows upward. + + The STACK starts at the end of the RAM and grows downward. + + The HEAP and stack STACK are only checked at compile time: + (DATA_SIZE + HEAP_SIZE + STACK_SIZE) < RAM_SIZE + + This is just a check for the bare minimum for the Heap+Stack area before + aborting compilation, it is not the run time limit: + Heap_Size + Stack_Size = 0x80 + 0x80 = 0x100 + */ + .section .stack + .align 3 +#ifdef __STACK_SIZE + .equ Stack_Size, __STACK_SIZE +#else + .equ Stack_Size, 0x80 +#endif + .globl __StackTop + .globl __StackLimit +__StackLimit: + .space Stack_Size + .size __StackLimit, . - __StackLimit +__StackTop: + .size __StackTop, . - __StackTop + + .section .heap + .align 3 +#ifdef __HEAP_SIZE + .equ Heap_Size, __HEAP_SIZE +#else + .equ Heap_Size, 0x80 +#endif + .globl __HeapBase + .globl __HeapLimit +__HeapBase: + .space Heap_Size + .size __HeapBase, . - __HeapBase +__HeapLimit: + .size __HeapLimit, . - __HeapLimit + + .section .isr_vector + .align 2 + .globl __isr_vector +__isr_vector: + .long __StackTop /* Top of Stack */ + .long Reset_Handler /* Reset Handler */ + .long NMI_Handler /* NMI Handler */ + .long HardFault_Handler /* Hard Fault Handler */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long SVC_Handler /* SVCall Handler */ + .long 0 /* Reserved */ + .long 0 /* Reserved */ + .long PendSV_Handler /* PendSV Handler */ + .long SysTick_Handler /* SysTick Handler */ + +/* LPC11xx interrupts */ + .long WAKEUP_IRQHandler /* 16 0 Wake-up on pin PIO0_0 */ + .long WAKEUP_IRQHandler /* 17 1 Wake-up on pin PIO0_1 */ + .long WAKEUP_IRQHandler /* 18 2 Wake-up on pin PIO0_2 */ + .long WAKEUP_IRQHandler /* 19 3 Wake-up on pin PIO0_3 */ + .long WAKEUP_IRQHandler /* 20 4 Wake-up on pin PIO0_4 */ + .long WAKEUP_IRQHandler /* 21 5 Wake-up on pin PIO0_5 */ + .long WAKEUP_IRQHandler /* 22 6 Wake-up on pin PIO0_6 */ + .long WAKEUP_IRQHandler /* 23 7 Wake-up on pin PIO0_7 */ + .long WAKEUP_IRQHandler /* 24 8 Wake-up on pin PIO0_8 */ + .long WAKEUP_IRQHandler /* 25 9 Wake-up on pin PIO0_9 */ + .long WAKEUP_IRQHandler /* 26 10 Wake-up on pin PIO0_10 */ + .long WAKEUP_IRQHandler /* 27 11 Wake-up on pin PIO0_11 */ + .long WAKEUP_IRQHandler /* 28 12 Wake-up on pin PIO1_0 */ + .long Default_Handler /* 29 13 */ + .long SSP1_IRQHandler /* 30 14 SSP1 */ + .long I2C_IRQHandler /* 31 15 I2C0 SI (state change) */ + .long TIMER16_0_IRQHandler /* 32 16 CT16B0 16 bit timer 0 */ + .long TIMER16_1_IRQHandler /* 33 17 CT16B1 16 bit timer 1 */ + .long TIMER32_0_IRQHandler /* 34 18 CT32B0 32 bit timer 0 */ + .long TIMER32_1_IRQHandler /* 35 19 CT32B1 32 bit timer 1 */ + .long SSP0_IRQHandler /* 36 20 SSP */ + .long UART_IRQHandler /* 37 21 UART */ + .long Default_Handler /* 38 22 */ + .long Default_Handler /* 39 23 */ + .long ADC_IRQHandler /* 40 24 ADC end of conversion */ + .long WDT_IRQHandler /* 41 25 Watchdog interrupt (WDINT) */ + .long BOD_IRQHandler /* 42 26 BOD Brown-out detect */ + .long Default_Handler /* 43 27 */ + .long PIOINT3_IRQHandler /* 44 28 PIO_3 GPIO interrupt status of port 3 */ + .long PIOINT2_IRQHandler /* 45 29 PIO_2 GPIO interrupt status of port 2 */ + .long PIOINT1_IRQHandler /* 46 30 PIO_1 GPIO interrupt status of port 1 */ + .long PIOINT0_IRQHandler /* 47 31 PIO_0 GPIO interrupt status of port 0 */ + + .size __isr_vector, . - __isr_vector + + .section .text.Reset_Handler + .thumb + .thumb_func + .align 2 + .globl Reset_Handler + .type Reset_Handler, %function +Reset_Handler: +/* Loop to copy data from read only memory to RAM. The ranges + * of copy from/to are specified by following symbols evaluated in + * linker script. + * __etext: End of code section, i.e., begin of data sections to copy from. + * __data_start__/__data_end__: RAM address range that data should be + * copied to. Both must be aligned to 4 bytes boundary. */ + + ldr r1, =__etext + ldr r2, =__data_start__ + ldr r3, =__data_end__ + + subs r3, r2 + ble .flash_to_ram_loop_end + + movs r4, 0 +.flash_to_ram_loop: + ldr r0, [r1,r4] + str r0, [r2,r4] + adds r4, 4 + cmp r4, r3 + blt .flash_to_ram_loop +.flash_to_ram_loop_end: + + ldr r0, =SystemInit + blx r0 + ldr r0, =_start + bx r0 + .pool + .size Reset_Handler, . - Reset_Handler + + .text +/* Macro to define default handlers. Default handler + * will be weak symbol and just dead loops. They can be + * overwritten by other handlers */ + .macro def_default_handler handler_name + .align 1 + .thumb_func + .weak \handler_name + .type \handler_name, %function +\handler_name : + b . + .size \handler_name, . - \handler_name + .endm + + def_default_handler NMI_Handler + def_default_handler HardFault_Handler + def_default_handler SVC_Handler + def_default_handler PendSV_Handler + def_default_handler SysTick_Handler + def_default_handler Default_Handler + + def_default_handler WAKEUP_IRQHandler + def_default_handler SSP1_IRQHandler + def_default_handler I2C_IRQHandler + def_default_handler TIMER16_0_IRQHandler + def_default_handler TIMER16_1_IRQHandler + def_default_handler TIMER32_0_IRQHandler + def_default_handler TIMER32_1_IRQHandler + def_default_handler SSP0_IRQHandler + def_default_handler UART_IRQHandler + def_default_handler ADC_IRQHandler + def_default_handler WDT_IRQHandler + def_default_handler BOD_IRQHandler + def_default_handler PIOINT3_IRQHandler + def_default_handler PIOINT2_IRQHandler + def_default_handler PIOINT1_IRQHandler + def_default_handler PIOINT0_IRQHandler + + .weak DEF_IRQHandler + .set DEF_IRQHandler, Default_Handler + + .end + diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CR/startup_LPC11xx.cpp b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CR/startup_LPC11xx.cpp new file mode 100644 index 00000000000..ffcb738df4f --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CR/startup_LPC11xx.cpp @@ -0,0 +1,161 @@ +extern "C" { + +#include "LPC11Uxx.h" + +#define WEAK __attribute__ ((weak)) +#define ALIAS(f) __attribute__ ((weak, alias (#f))) +#define AFTER_VECTORS __attribute__ ((section(".after_vectors"))) + + void ResetISR (void); +WEAK void NMI_Handler (void); +WEAK void HardFault_Handler (void); +WEAK void SVCall_Handler (void); +WEAK void PendSV_Handler (void); +WEAK void SysTick_Handler (void); +WEAK void IntDefaultHandler (void); + void FLEX_INT0_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT1_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT2_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT3_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT4_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT5_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT6_IRQHandler(void) ALIAS(IntDefaultHandler); + void FLEX_INT7_IRQHandler(void) ALIAS(IntDefaultHandler); + void GINT0_IRQHandler (void) ALIAS(IntDefaultHandler); + void GINT1_IRQHandler (void) ALIAS(IntDefaultHandler); + void SSP1_IRQHandler (void) ALIAS(IntDefaultHandler); + void I2C_IRQHandler (void) ALIAS(IntDefaultHandler); + void TIMER16_0_IRQHandler(void) ALIAS(IntDefaultHandler); + void TIMER16_1_IRQHandler(void) ALIAS(IntDefaultHandler); + void TIMER32_0_IRQHandler(void) ALIAS(IntDefaultHandler); + void TIMER32_1_IRQHandler(void) ALIAS(IntDefaultHandler); + void SSP0_IRQHandler (void) ALIAS(IntDefaultHandler); + void UART_IRQHandler (void) ALIAS(IntDefaultHandler); + void USB_IRQHandler (void) ALIAS(IntDefaultHandler); + void USB_FIQHandler (void) ALIAS(IntDefaultHandler); + void ADC_IRQHandler (void) ALIAS(IntDefaultHandler); + void WDT_IRQHandler (void) ALIAS(IntDefaultHandler); + void BOD_IRQHandler (void) ALIAS(IntDefaultHandler); + void FMC_IRQHandler (void) ALIAS(IntDefaultHandler); + void USBWakeup_IRQHandler(void) ALIAS(IntDefaultHandler); + +extern void __libc_init_array(void); +extern int main(void); +extern void _vStackTop(void); + +extern void (* const g_pfnVectors[])(void); +__attribute__ ((section(".isr_vector"))) +void (* const g_pfnVectors[])(void) = { + &_vStackTop, + ResetISR, + NMI_Handler, + HardFault_Handler, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + SVCall_Handler, + 0, + 0, + PendSV_Handler, + SysTick_Handler, + FLEX_INT0_IRQHandler, + FLEX_INT1_IRQHandler, + FLEX_INT2_IRQHandler, + FLEX_INT3_IRQHandler, + FLEX_INT4_IRQHandler, + FLEX_INT5_IRQHandler, + FLEX_INT6_IRQHandler, + FLEX_INT7_IRQHandler, + GINT0_IRQHandler, + GINT1_IRQHandler, + 0, + 0, + 0, + 0, + SSP1_IRQHandler, + I2C_IRQHandler, + TIMER16_0_IRQHandler, + TIMER16_1_IRQHandler, + TIMER32_0_IRQHandler, + TIMER32_1_IRQHandler, + SSP0_IRQHandler, + UART_IRQHandler, + USB_IRQHandler, + USB_FIQHandler, + ADC_IRQHandler, + WDT_IRQHandler, + BOD_IRQHandler, + FMC_IRQHandler, + 0, + 0, + USBWakeup_IRQHandler, + 0, +}; + +AFTER_VECTORS void data_init(unsigned int romstart, unsigned int start, unsigned int len) { + unsigned int *pulDest = (unsigned int*) start; + unsigned int *pulSrc = (unsigned int*) romstart; + unsigned int loop; + for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = *pulSrc++; +} + +AFTER_VECTORS void bss_init(unsigned int start, unsigned int len) { + unsigned int *pulDest = (unsigned int*) start; + unsigned int loop; + for (loop = 0; loop < len; loop = loop + 4) *pulDest++ = 0; +} + +extern unsigned int __data_section_table; +extern unsigned int __data_section_table_end; +extern unsigned int __bss_section_table_end; + +AFTER_VECTORS void ResetISR(void) { + unsigned int LoadAddr, ExeAddr, SectionLen; + unsigned int *SectionTableAddr; + + // Data Init + SectionTableAddr = &__data_section_table; + while (SectionTableAddr < &__data_section_table_end) { + LoadAddr = *SectionTableAddr++; + ExeAddr = *SectionTableAddr++; + SectionLen = *SectionTableAddr++; + data_init(LoadAddr, ExeAddr, SectionLen); + } + + // BSS Init + while (SectionTableAddr < &__bss_section_table_end) { + ExeAddr = *SectionTableAddr++; + SectionLen = *SectionTableAddr++; + bss_init(ExeAddr, SectionLen); + } + + SystemInit(); + __libc_init_array(); + main(); + while (1) {;} +} + +AFTER_VECTORS void NMI_Handler (void) {while(1){}} +AFTER_VECTORS void HardFault_Handler(void) {while(1){}} +AFTER_VECTORS void SVCall_Handler (void) {while(1){}} +AFTER_VECTORS void PendSV_Handler (void) {while(1){}} +AFTER_VECTORS void SysTick_Handler (void) {while(1){}} +AFTER_VECTORS void IntDefaultHandler(void) {while(1){}} + +#include + +void *operator new (size_t size) {return malloc(size);} +void *operator new[](size_t size) {return malloc(size);} + +void operator delete (void *p) {free(p);} +void operator delete[](void *p) {free(p);} + +int __aeabi_atexit(void *object, void (*destructor)(void *), void *dso_handle) { + return 0; +} + +} diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CS/startup_LPC11xx.s b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CS/startup_LPC11xx.s new file mode 100644 index 00000000000..cc8ab7bc242 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CS/startup_LPC11xx.s @@ -0,0 +1,112 @@ + .equ Stack_Size, 0x80 + .section ".stack", "w" + .align 3 + .globl __cs3_stack_mem + .globl __cs3_stack_size +__cs3_stack_mem: + .if Stack_Size + .space Stack_Size + .endif + .size __cs3_stack_mem, . - __cs3_stack_mem + .set __cs3_stack_size, . - __cs3_stack_mem + + .equ Heap_Size, 0x80 + .section ".heap", "w" + .align 3 + .globl __cs3_heap_start + .globl __cs3_heap_end +__cs3_heap_start: + .if Heap_Size + .space Heap_Size + .endif +__cs3_heap_end: + + .section ".cs3.interrupt_vector" + .globl __cs3_interrupt_vector_cortex_m + .type __cs3_interrupt_vector_cortex_m, %object + +__cs3_interrupt_vector_cortex_m: + .long __cs3_stack + .long __cs3_reset + .long NMI_Handler + .long HardFault_Handler + .long 0 + .long 0 + .long 0 + .long 0 + .long 0 + .long 0 + .long 0 + .long SVC_Handler + .long 0 + .long 0 + .long PendSV_Handler + .long SysTick_Handler + + .long DEF_IRQHandler + + .size __cs3_interrupt_vector_cortex_m, . - __cs3_interrupt_vector_cortex_m + + .thumb + + .section .cs3.reset,"x",%progbits + .thumb_func + .globl __cs3_reset_cortex_m + .type __cs3_reset_cortex_m, %function +__cs3_reset_cortex_m: + .fnstart + LDR R0, =SystemInit + BLX R0 + LDR R0,=__cs3_start_c + BX R0 + .pool + .cantunwind + .fnend + .size __cs3_reset_cortex_m,.-__cs3_reset_cortex_m + + .section ".text" + + .weak NMI_Handler + .type NMI_Handler, %function +NMI_Handler: + B . + .size NMI_Handler, . - NMI_Handler + + .weak HardFault_Handler + .type HardFault_Handler, %function +HardFault_Handler: + B . + .size HardFault_Handler, . - HardFault_Handler + + .weak SVC_Handler + .type SVC_Handler, %function +SVC_Handler: + B . + .size SVC_Handler, . - SVC_Handler + + .weak PendSV_Handler + .type PendSV_Handler, %function +PendSV_Handler: + B . + .size PendSV_Handler, . - PendSV_Handler + + .weak SysTick_Handler + .type SysTick_Handler, %function +SysTick_Handler: + B . + .size SysTick_Handler, . - SysTick_Handler + + .globl Default_Handler + .type Default_Handler, %function +Default_Handler: + B . + .size Default_Handler, . - Default_Handler + + .macro IRQ handler + .weak \handler + .set \handler, Default_Handler + .endm + + IRQ DEF_IRQHandler + + .end diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CS/sys.cpp b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CS/sys.cpp new file mode 100644 index 00000000000..6fc5736daf9 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/TOOLCHAIN_GCC_CS/sys.cpp @@ -0,0 +1,79 @@ +#include "cmsis.h" +#include +#include + +extern "C" { + +struct SCS3Regions { + unsigned long Dummy; + unsigned long* InitRam; + unsigned long* StartRam; + unsigned long InitSizeRam; + unsigned long ZeroSizeRam; +}; + +extern unsigned long __cs3_regions; +extern unsigned long __cs3_heap_start; + +int main(void); +void __libc_init_array(void); +void exit(int ErrorCode); + +static void *heap_pointer = NULL; + +void __cs3_start_c(void) { + static SCS3Regions* pCS3Regions = (SCS3Regions*)&__cs3_regions; + unsigned long* pulDest; + unsigned long* pulSrc; + unsigned long ByteCount; + unsigned long i; + + pulSrc = pCS3Regions->InitRam; + pulDest = pCS3Regions->StartRam; + ByteCount = pCS3Regions->InitSizeRam; + if (pulSrc != pulDest) { + for(i = 0 ; i < ByteCount ; i += sizeof(unsigned long)) { + *(pulDest++) = *(pulSrc++); + } + } else { + pulDest = (unsigned long*)(void*)((char*)pulDest + ByteCount); + } + + ByteCount = pCS3Regions->ZeroSizeRam; + for(i = 0 ; i < ByteCount ; i += sizeof(unsigned long)) { + *(pulDest++) = 0; + } + + heap_pointer = &__cs3_heap_start; + __libc_init_array(); + exit(main()); +} + +int _kill(int pid, int sig) { + errno = EINVAL; + return -1; +} + +void _exit(int status) { + exit(status); +} + +int _getpid(void) { + return 1; +} + +void *_sbrk(unsigned int incr) { + void *mem; + + unsigned int next = ((((unsigned int)heap_pointer + incr) + 7) & ~7); + if (next > __get_MSP()) { + mem = NULL; + } else { + mem = (void *)heap_pointer; + } + heap_pointer = (void *)next; + + return mem; +} + +} diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis.h b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis.h new file mode 100644 index 00000000000..6e00f1e26bb --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis.h @@ -0,0 +1,13 @@ +/* mbed Microcontroller Library - CMSIS + * Copyright (C) 2009-2011 ARM Limited. All rights reserved. + * + * A generic CMSIS include header, pulling in LPC11U24 specifics + */ + +#ifndef MBED_CMSIS_H +#define MBED_CMSIS_H + +#include "LPC11xx.h" +#include "cmsis_nvic.h" + +#endif diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis_nvic.c b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis_nvic.c new file mode 100644 index 00000000000..a94b07059ec --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis_nvic.c @@ -0,0 +1,58 @@ +/* mbed Microcontroller Library - cmsis_nvic for LPC11U24 + * Copyright (c) 2011 ARM Limited. All rights reserved. + * + * CMSIS-style functionality to support dynamic vectors + */ + +#include "cmsis_nvic.h" + +/* In the M0, there is no VTOR. In the LPC range such as the LPC11U, + * whilst the vector table may only be something like 48 entries (192 bytes, 0xC0), + * the SYSMEMREMAP register actually remaps the memory from 0x10000000-0x100001FF + * to adress 0x0-0x1FF. In this case, RAM can be addressed at both 0x10000000 and 0x0 + * + * If we just copy the vectors to RAM and switch the SYSMEMMAP, any accesses to FLASH + * above the vector table before 0x200 will actually go to RAM. So we need to provide + * a solution where the compiler gets the right results based on the memory map + * + * Option 1 - We allocate and copy 0x200 of RAM rather than just the table + * - const data and instructions before 0x200 will be copied to and fetched/exec from RAM + * - RAM overhead: 0x200 - 0xC0 = 320 bytes, FLASH overhead: 0 + * + * Option 2 - We pad the flash to 0x200 to ensure the compiler doesn't allocate anything there + * - No flash accesses will go to ram, as there will be nothing there + * - RAM only needs to be allocated for the vectors, as all other ram addresses are normal + * - RAM overhead: 0, FLASH overhead: 320 bytes + * + * Option 2 is the one to go for, as RAM is the most valuable resource + */ + +#define NVIC_NUM_VECTORS (16 + 32) // CORE + MCU Peripherals +#define NVIC_RAM_VECTOR_ADDRESS (0x10000000) // Vectors positioned at start of RAM + +void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { + int i; + // Space for dynamic vectors, initialised to allocate in R/W + static volatile uint32_t* vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS; + + // Copy and switch to dynamic vectors if first time called + if((LPC_SYSCON->SYSMEMREMAP & 0x3) != 0x1) { + uint32_t *old_vectors = (uint32_t *)0; // FLASH vectors are at 0x0 + for(i = 0; i < NVIC_NUM_VECTORS; i++) { + vectors[i] = old_vectors[i]; + } + LPC_SYSCON->SYSMEMREMAP = 0x1; // Remaps 0x0-0x1FF FLASH block to RAM block + } + + // Set the vector + vectors[IRQn + 16] = vector; +} + +uint32_t NVIC_GetVector(IRQn_Type IRQn) { + // We can always read vectors at 0x0, as the addresses are remapped + uint32_t *vectors = (uint32_t*)0; + + // Return the vector + return vectors[IRQn + 16]; +} + diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis_nvic.h b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis_nvic.h new file mode 100644 index 00000000000..299d3879bef --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/cmsis_nvic.h @@ -0,0 +1,23 @@ +/* mbed Microcontroller Library - cmsis_nvic + * Copyright (c) 2009-2011 ARM Limited. All rights reserved. + * + * CMSIS-style functionality to support dynamic vectors + */ + +#ifndef MBED_CMSIS_NVIC_H +#define MBED_CMSIS_NVIC_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector); +uint32_t NVIC_GetVector(IRQn_Type IRQn); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/system_LPC11xx.c b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/system_LPC11xx.c new file mode 100644 index 00000000000..dc58670ea70 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/system_LPC11xx.c @@ -0,0 +1,367 @@ +/**************************************************************************//** + * @file system_LPC11xx.c + * @brief CMSIS Cortex-M0 Device Peripheral Access Layer Source File + * for the NXP LPC11xx/LPC11Cxx Devices + * @version V1.10 + * @date 24. November 2010 + * + * @note + * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ + + +#include +#include "LPC11xx.h" + +/* +//-------- <<< Use Configuration Wizard in Context Menu >>> ------------------ +*/ + +/*--------------------- Clock Configuration ---------------------------------- +// +// Clock Configuration +// System Oscillator Control Register (SYSOSCCTRL) +// BYPASS: System Oscillator Bypass Enable +// If enabled then PLL input (sys_osc_clk) is fed +// directly from XTALIN and XTALOUT pins. +// FREQRANGE: System Oscillator Frequency Range +// Determines frequency range for Low-power oscillator. +// <0=> 1 - 20 MHz +// <1=> 15 - 25 MHz +// +// +// Watchdog Oscillator Control Register (WDTOSCCTRL) +// DIVSEL: Select Divider for Fclkana +// wdt_osc_clk = Fclkana/ (2 × (1 + DIVSEL)) +// <0-31> +// FREQSEL: Select Watchdog Oscillator Analog Output Frequency (Fclkana) +// <0=> Undefined +// <1=> 0.5 MHz +// <2=> 0.8 MHz +// <3=> 1.1 MHz +// <4=> 1.4 MHz +// <5=> 1.6 MHz +// <6=> 1.8 MHz +// <7=> 2.0 MHz +// <8=> 2.2 MHz +// <9=> 2.4 MHz +// <10=> 2.6 MHz +// <11=> 2.7 MHz +// <12=> 2.9 MHz +// <13=> 3.1 MHz +// <14=> 3.2 MHz +// <15=> 3.4 MHz +// +// +// System PLL Control Register (SYSPLLCTRL) +// F_clkout = M * F_clkin = F_CCO / (2 * P) +// F_clkin must be in the range of 10 MHz to 25 MHz +// F_CCO must be in the range of 156 MHz to 320 MHz +// MSEL: Feedback Divider Selection +// M = MSEL + 1 +// <0-31> +// PSEL: Post Divider Selection +// <0=> P = 1 +// <1=> P = 2 +// <2=> P = 4 +// <3=> P = 8 +// +// +// System PLL Clock Source Select Register (SYSPLLCLKSEL) +// SEL: System PLL Clock Source +// <0=> IRC Oscillator +// <1=> System Oscillator +// <2=> Reserved +// <3=> Reserved +// +// +// Main Clock Source Select Register (MAINCLKSEL) +// SEL: Clock Source for Main Clock +// <0=> IRC Oscillator +// <1=> Input Clock to System PLL +// <2=> WDT Oscillator +// <3=> System PLL Clock Out +// +// +// System AHB Clock Divider Register (SYSAHBCLKDIV) +// DIV: System AHB Clock Divider +// Divides main clock to provide system clock to core, memories, and peripherals. +// 0 = is disabled +// <0-255> +// +// +*/ +#define CLOCK_SETUP 1 +#define SYSOSCCTRL_Val 0x00000000 // Reset: 0x000 +#define WDTOSCCTRL_Val 0x00000000 // Reset: 0x000 +#define SYSPLLCTRL_Val 0x00000023 // Reset: 0x000 +#define SYSPLLCLKSEL_Val 0x00000001 // Reset: 0x000 +#define MAINCLKSEL_Val 0x00000000 // Reset: 0x000 +#define SYSAHBCLKDIV_Val 0x00000001 // Reset: 0x001 + +/* +//-------- <<< end of configuration section >>> ------------------------------ +*/ + +/*---------------------------------------------------------------------------- + Check the register settings + *----------------------------------------------------------------------------*/ +#define CHECK_RANGE(val, min, max) ((val < min) || (val > max)) +#define CHECK_RSVD(val, mask) (val & mask) + +/* Clock Configuration -------------------------------------------------------*/ +#if (CHECK_RSVD((SYSOSCCTRL_Val), ~0x00000003)) + #error "SYSOSCCTRL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RSVD((WDTOSCCTRL_Val), ~0x000001FF)) + #error "WDTOSCCTRL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RANGE((SYSPLLCLKSEL_Val), 0, 2)) + #error "SYSPLLCLKSEL: Value out of range!" +#endif + +#if (CHECK_RSVD((SYSPLLCTRL_Val), ~0x000001FF)) + #error "SYSPLLCTRL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RSVD((MAINCLKSEL_Val), ~0x00000003)) + #error "MAINCLKSEL: Invalid values of reserved bits!" +#endif + +#if (CHECK_RANGE((SYSAHBCLKDIV_Val), 0, 255)) + #error "SYSAHBCLKDIV: Value out of range!" +#endif + + +/*---------------------------------------------------------------------------- + DEFINES + *----------------------------------------------------------------------------*/ + +/*---------------------------------------------------------------------------- + Define clocks + *----------------------------------------------------------------------------*/ +#define __XTAL (12000000UL) /* Oscillator frequency */ +#define __SYS_OSC_CLK ( __XTAL) /* Main oscillator frequency */ +#define __IRC_OSC_CLK (12000000UL) /* Internal RC oscillator frequency */ + + +#define __FREQSEL ((WDTOSCCTRL_Val >> 5) & 0x0F) +#define __DIVSEL (((WDTOSCCTRL_Val & 0x1F) << 1) + 2) + +#if (CLOCK_SETUP) /* Clock Setup */ + #if (__FREQSEL == 0) + #define __WDT_OSC_CLK ( 0) /* undefined */ + #elif (__FREQSEL == 1) + #define __WDT_OSC_CLK ( 500000 / __DIVSEL) + #elif (__FREQSEL == 2) + #define __WDT_OSC_CLK ( 800000 / __DIVSEL) + #elif (__FREQSEL == 3) + #define __WDT_OSC_CLK (1100000 / __DIVSEL) + #elif (__FREQSEL == 4) + #define __WDT_OSC_CLK (1400000 / __DIVSEL) + #elif (__FREQSEL == 5) + #define __WDT_OSC_CLK (1600000 / __DIVSEL) + #elif (__FREQSEL == 6) + #define __WDT_OSC_CLK (1800000 / __DIVSEL) + #elif (__FREQSEL == 7) + #define __WDT_OSC_CLK (2000000 / __DIVSEL) + #elif (__FREQSEL == 8) + #define __WDT_OSC_CLK (2200000 / __DIVSEL) + #elif (__FREQSEL == 9) + #define __WDT_OSC_CLK (2400000 / __DIVSEL) + #elif (__FREQSEL == 10) + #define __WDT_OSC_CLK (2600000 / __DIVSEL) + #elif (__FREQSEL == 11) + #define __WDT_OSC_CLK (2700000 / __DIVSEL) + #elif (__FREQSEL == 12) + #define __WDT_OSC_CLK (2900000 / __DIVSEL) + #elif (__FREQSEL == 13) + #define __WDT_OSC_CLK (3100000 / __DIVSEL) + #elif (__FREQSEL == 14) + #define __WDT_OSC_CLK (3200000 / __DIVSEL) + #else + #define __WDT_OSC_CLK (3400000 / __DIVSEL) + #endif + + /* sys_pllclkin calculation */ + #if ((SYSPLLCLKSEL_Val & 0x03) == 0) + #define __SYS_PLLCLKIN (__IRC_OSC_CLK) + #elif ((SYSPLLCLKSEL_Val & 0x03) == 1) + #define __SYS_PLLCLKIN (__SYS_OSC_CLK) + #else + #define __SYS_PLLCLKIN (0) + #endif + + #define __SYS_PLLCLKOUT (__SYS_PLLCLKIN * ((SYSPLLCTRL_Val & 0x01F) + 1)) + + /* main clock calculation */ + #if ((MAINCLKSEL_Val & 0x03) == 0) + #define __MAIN_CLOCK (__IRC_OSC_CLK) + #elif ((MAINCLKSEL_Val & 0x03) == 1) + #define __MAIN_CLOCK (__SYS_PLLCLKIN) + #elif ((MAINCLKSEL_Val & 0x03) == 2) + #if (__FREQSEL == 0) + #error "MAINCLKSEL: WDT Oscillator selected but FREQSEL is undefined!" + #else + #define __MAIN_CLOCK (__WDT_OSC_CLK) + #endif + #elif ((MAINCLKSEL_Val & 0x03) == 3) + #define __MAIN_CLOCK (__SYS_PLLCLKOUT) + #else + #define __MAIN_CLOCK (0) + #endif + + #define __SYSTEM_CLOCK (__MAIN_CLOCK / SYSAHBCLKDIV_Val) + +#else + #define __SYSTEM_CLOCK (__IRC_OSC_CLK) +#endif // CLOCK_SETUP + + +/*---------------------------------------------------------------------------- + Clock Variable definitions + *----------------------------------------------------------------------------*/ +uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/ + + +/*---------------------------------------------------------------------------- + Clock functions + *----------------------------------------------------------------------------*/ +void SystemCoreClockUpdate (void) /* Get Core Clock Frequency */ +{ + uint32_t wdt_osc = 0; + + /* Determine clock frequency according to clock register values */ + switch ((LPC_SYSCON->WDTOSCCTRL >> 5) & 0x0F) { + case 0: wdt_osc = 0; break; + case 1: wdt_osc = 500000; break; + case 2: wdt_osc = 800000; break; + case 3: wdt_osc = 1100000; break; + case 4: wdt_osc = 1400000; break; + case 5: wdt_osc = 1600000; break; + case 6: wdt_osc = 1800000; break; + case 7: wdt_osc = 2000000; break; + case 8: wdt_osc = 2200000; break; + case 9: wdt_osc = 2400000; break; + case 10: wdt_osc = 2600000; break; + case 11: wdt_osc = 2700000; break; + case 12: wdt_osc = 2900000; break; + case 13: wdt_osc = 3100000; break; + case 14: wdt_osc = 3200000; break; + case 15: wdt_osc = 3400000; break; + } + wdt_osc /= ((LPC_SYSCON->WDTOSCCTRL & 0x1F) << 1) + 2; + + switch (LPC_SYSCON->MAINCLKSEL & 0x03) { + case 0: /* Internal RC oscillator */ + SystemCoreClock = __IRC_OSC_CLK; + break; + case 1: /* Input Clock to System PLL */ + switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) { + case 0: /* Internal RC oscillator */ + SystemCoreClock = __IRC_OSC_CLK; + break; + case 1: /* System oscillator */ + SystemCoreClock = __SYS_OSC_CLK; + break; + case 2: /* Reserved */ + case 3: /* Reserved */ + SystemCoreClock = 0; + break; + } + break; + case 2: /* WDT Oscillator */ + SystemCoreClock = wdt_osc; + break; + case 3: /* System PLL Clock Out */ + switch (LPC_SYSCON->SYSPLLCLKSEL & 0x03) { + case 0: /* Internal RC oscillator */ + if (LPC_SYSCON->SYSPLLCTRL & 0x180) { + SystemCoreClock = __IRC_OSC_CLK; + } else { + SystemCoreClock = __IRC_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1); + } + break; + case 1: /* System oscillator */ + if (LPC_SYSCON->SYSPLLCTRL & 0x180) { + SystemCoreClock = __SYS_OSC_CLK; + } else { + SystemCoreClock = __SYS_OSC_CLK * ((LPC_SYSCON->SYSPLLCTRL & 0x01F) + 1); + } + break; + case 2: /* Reserved */ + case 3: /* Reserved */ + SystemCoreClock = 0; + break; + } + break; + } + + SystemCoreClock /= LPC_SYSCON->SYSAHBCLKDIV; + +} + +/** + * Initialize the system + * + * @param none + * @return none + * + * @brief Setup the microcontroller system. + * Initialize the System. + */ +void SystemInit (void) { + volatile uint32_t i; + +#if (CLOCK_SETUP) /* Clock Setup */ + +#if ((SYSPLLCLKSEL_Val & 0x03) == 1) + LPC_SYSCON->PDRUNCFG &= ~(1 << 5); /* Power-up System Osc */ + LPC_SYSCON->SYSOSCCTRL = SYSOSCCTRL_Val; + for (i = 0; i < 200; i++) __NOP(); +#endif + + LPC_SYSCON->SYSPLLCLKSEL = SYSPLLCLKSEL_Val; /* Select PLL Input */ + LPC_SYSCON->SYSPLLCLKUEN = 0x01; /* Update Clock Source */ + LPC_SYSCON->SYSPLLCLKUEN = 0x00; /* Toggle Update Register */ + LPC_SYSCON->SYSPLLCLKUEN = 0x01; + while (!(LPC_SYSCON->SYSPLLCLKUEN & 0x01)); /* Wait Until Updated */ +#if ((MAINCLKSEL_Val & 0x03) == 3) /* Main Clock is PLL Out */ + LPC_SYSCON->SYSPLLCTRL = SYSPLLCTRL_Val; + LPC_SYSCON->PDRUNCFG &= ~(1 << 7); /* Power-up SYSPLL */ + while (!(LPC_SYSCON->SYSPLLSTAT & 0x01)); /* Wait Until PLL Locked */ +#endif + +#if (((MAINCLKSEL_Val & 0x03) == 2) ) + LPC_SYSCON->WDTOSCCTRL = WDTOSCCTRL_Val; + LPC_SYSCON->PDRUNCFG &= ~(1 << 6); /* Power-up WDT Clock */ + for (i = 0; i < 200; i++) __NOP(); +#endif + + LPC_SYSCON->MAINCLKSEL = MAINCLKSEL_Val; /* Select PLL Clock Output */ + LPC_SYSCON->MAINCLKUEN = 0x01; /* Update MCLK Clock Source */ + LPC_SYSCON->MAINCLKUEN = 0x00; /* Toggle Update Register */ + LPC_SYSCON->MAINCLKUEN = 0x01; + while (!(LPC_SYSCON->MAINCLKUEN & 0x01)); /* Wait Until Updated */ + + LPC_SYSCON->SYSAHBCLKDIV = SYSAHBCLKDIV_Val; +#endif + /* System clock to the IOCON needs to be enabled or + most of the I/O related peripherals won't work. */ + LPC_SYSCON->SYSAHBCLKCTRL |= (1<<16); +} diff --git a/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/system_LPC11xx.h b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/system_LPC11xx.h new file mode 100644 index 00000000000..fa57304d488 --- /dev/null +++ b/libraries/mbed/targets/cmsis/TARGET_NXP/TARGET_LPC11CXX/system_LPC11xx.h @@ -0,0 +1,64 @@ +/**************************************************************************//** + * @file system_LPC11xx.h + * @brief CMSIS Cortex-M0 Device Peripheral Access Layer Header File + * for the NXP LPC11xx/LPC11Cxx Device Series + * @version V1.10 + * @date 24. November 2010 + * + * @note + * Copyright (C) 2009-2010 ARM Limited. All rights reserved. + * + * @par + * ARM Limited (ARM) is supplying this software for use with Cortex-M + * processor based microcontrollers. This file can be freely distributed + * within development tools that are supporting such ARM based processors. + * + * @par + * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED + * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. + * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR + * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. + * + ******************************************************************************/ + + +#ifndef __SYSTEM_LPC11xx_H +#define __SYSTEM_LPC11xx_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ + + +/** + * Initialize the system + * + * @param none + * @return none + * + * @brief Setup the microcontroller system. + * Initialize the System and update the SystemCoreClock variable. + */ +extern void SystemInit (void); + +/** + * Update SystemCoreClock variable + * + * @param none + * @return none + * + * @brief Updates the SystemCoreClock with current core Clock + * retrieved from cpu registers. + */ +extern void SystemCoreClockUpdate (void); + +#ifdef __cplusplus +} +#endif + +#endif /* __SYSTEM_LPC11xx_H */ diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PeripheralNames.h b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PeripheralNames.h new file mode 100644 index 00000000000..e7eba416e58 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PeripheralNames.h @@ -0,0 +1,71 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_PERIPHERALNAMES_H +#define MBED_PERIPHERALNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + UART_0 = (int)LPC_UART_BASE +} UARTName; + +typedef enum { + I2C_0 = (int)LPC_I2C_BASE +} I2CName; + +typedef enum { + ADC0_0 = 0, + ADC0_1, + ADC0_2, + ADC0_3, + ADC0_4, + ADC0_5, + ADC0_6, + ADC0_7 +} ADCName; + +typedef enum { + SPI_0 = (int)LPC_SSP0_BASE, + SPI_1 = (int)LPC_SSP1_BASE +} SPIName; + +typedef enum { + PWM_1 = 0, + PWM_2, + PWM_3, + PWM_4, + PWM_5, + PWM_6, + PWM_7, + PWM_8, + PWM_9, + PWM_10, + PWM_11 +} PWMName; + +#define STDIO_UART_TX USBTX +#define STDIO_UART_RX USBRX +#define STDIO_UART UART_0 + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PinNames.h b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PinNames.h new file mode 100644 index 00000000000..10db6044502 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PinNames.h @@ -0,0 +1,218 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_PINNAMES_H +#define MBED_PINNAMES_H + +#include "cmsis.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + PIN_INPUT, + PIN_OUTPUT +} PinDirection; + +#define PORT_SHIFT 12 +#define PIN_SHIFT 8 + +typedef enum { + // LPC1114 Pin Names (PORT[15:12] + PIN[11:8] + IOCON offset[7:0]) + + P0_0 = (0 << PORT_SHIFT) | (0 << PIN_SHIFT) | 0x0c, + P0_1 = (0 << PORT_SHIFT) | (1 << PIN_SHIFT) | 0x10, + P0_2 = (0 << PORT_SHIFT) | (2 << PIN_SHIFT) | 0x1c, + P0_3 = (0 << PORT_SHIFT) | (3 << PIN_SHIFT) | 0x2c, + P0_4 = (0 << PORT_SHIFT) | (4 << PIN_SHIFT) | 0x30, + P0_5 = (0 << PORT_SHIFT) | (5 << PIN_SHIFT) | 0x34, + P0_6 = (0 << PORT_SHIFT) | (6 << PIN_SHIFT) | 0x4c, + P0_7 = (0 << PORT_SHIFT) | (7 << PIN_SHIFT) | 0x50, + P0_8 = (0 << PORT_SHIFT) | (8 << PIN_SHIFT) | 0x60, + P0_9 = (0 << PORT_SHIFT) | (9 << PIN_SHIFT) | 0x64, + P0_10 = (0 << PORT_SHIFT) | (10 << PIN_SHIFT) | 0x68, + P0_11 = (0 << PORT_SHIFT) | (11 << PIN_SHIFT) | 0x74, + + P1_0 = (1 << PORT_SHIFT) | (0 << PIN_SHIFT) | 0x78, + P1_1 = (1 << PORT_SHIFT) | (1 << PIN_SHIFT) | 0x7c, + P1_2 = (1 << PORT_SHIFT) | (2 << PIN_SHIFT) | 0x80, + P1_3 = (1 << PORT_SHIFT) | (3 << PIN_SHIFT) | 0x90, + P1_4 = (1 << PORT_SHIFT) | (4 << PIN_SHIFT) | 0x94, + P1_5 = (1 << PORT_SHIFT) | (5 << PIN_SHIFT) | 0xa0, + P1_6 = (1 << PORT_SHIFT) | (6 << PIN_SHIFT) | 0xa4, + P1_7 = (1 << PORT_SHIFT) | (7 << PIN_SHIFT) | 0xa8, + P1_8 = (1 << PORT_SHIFT) | (8 << PIN_SHIFT) | 0x14, + P1_9 = (1 << PORT_SHIFT) | (9 << PIN_SHIFT) | 0x38, + P1_10 = (1 << PORT_SHIFT) | (10 << PIN_SHIFT) | 0x6c, + P1_11 = (1 << PORT_SHIFT) | (11 << PIN_SHIFT) | 0x98, + + P2_0 = (2 << PORT_SHIFT) | (0 << PIN_SHIFT) | 0x08, + P2_1 = (2 << PORT_SHIFT) | (1 << PIN_SHIFT) | 0x28, + P2_2 = (2 << PORT_SHIFT) | (2 << PIN_SHIFT) | 0x5c, + P2_3 = (2 << PORT_SHIFT) | (3 << PIN_SHIFT) | 0x8c, + P2_4 = (2 << PORT_SHIFT) | (4 << PIN_SHIFT) | 0x40, + P2_5 = (2 << PORT_SHIFT) | (5 << PIN_SHIFT) | 0x44, + P2_6 = (2 << PORT_SHIFT) | (6 << PIN_SHIFT) | 0x00, + P2_7 = (2 << PORT_SHIFT) | (7 << PIN_SHIFT) | 0x20, + P2_8 = (2 << PORT_SHIFT) | (8 << PIN_SHIFT) | 0x24, + P2_9 = (2 << PORT_SHIFT) | (9 << PIN_SHIFT) | 0x54, + P2_10 = (2 << PORT_SHIFT) | (10 << PIN_SHIFT) | 0x58, + P2_11 = (2 << PORT_SHIFT) | (11 << PIN_SHIFT) | 0x70, + + P3_0 = (3 << PORT_SHIFT) | (0 << PIN_SHIFT) | 0x84, + P3_1 = (3 << PORT_SHIFT) | (1 << PIN_SHIFT) | 0x88, + P3_2 = (3 << PORT_SHIFT) | (2 << PIN_SHIFT) | 0x9c, + P3_3 = (3 << PORT_SHIFT) | (3 << PIN_SHIFT) | 0xac, + P3_4 = (3 << PORT_SHIFT) | (4 << PIN_SHIFT) | 0x3c, + P3_5 = (3 << PORT_SHIFT) | (5 << PIN_SHIFT) | 0x48, + + // mbed DIP Pin Names (CQ board) + p4 = P0_0, + p5 = P0_9, + p6 = P0_8, + p7 = P0_6, + p8 = P1_5, + p9 = P1_7, + p10 = P1_6, + p11 = P0_7, + p12 = P1_0, + p13 = P1_1, + p14 = P1_2, + p15 = P0_11, + p16 = P1_0, + p17 = P1_1, + p18 = P1_2, + p19 = P1_3, + p20 = P1_4, + p21 = P0_10, + p22 = P0_2, + p23 = P0_11, + p24 = P0_2, + p25 = P1_8, + p26 = P1_9, + p27 = P0_4, + p28 = P0_5, + p29 = P0_3, + p30 = P0_1, + + // Other mbed Pin Names + LED1 = P1_5, + LED2 = P0_7, + LED3 = P1_5, + LED4 = P0_7, + + USBTX = P1_7, + USBRX = P1_6, + + // mbed DIP Pin Names (LPCXpresso LPC1114) + xp4 = P0_0, + xp5 = P0_9, + xp6 = P0_8, + xp7 = P2_11, + xp8 = P0_2, + xp9 = P1_7, + xp10 = P1_6, + xp11 = P0_7, + xp12 = P2_0, + xp13 = P2_1, + xp14 = P2_2, + xp15 = P0_11, + xp16 = P1_0, + xp17 = P1_1, + xp18 = P1_2, + xp19 = P1_3, + xp20 = P1_4, + xp21 = P1_5, + xp22 = P1_8, + xp23 = P0_6, + xp24 = P0_10, + xp25 = P3_0, + xp26 = P3_1, + xp27 = P3_2, + + xp29 = P3_3, + xp30 = P2_10, + xp31 = P2_9, + xp32 = P2_8, + xp33 = P2_7, + xp34 = P2_6, + xp35 = P2_5, + xp36 = P2_4, + xp37 = P2_3, + xp38 = P1_11, + xp39 = P1_10, + xp40 = P1_9, + xp41 = P0_4, + xp42 = P0_5, + xp43 = P0_3, + xp44 = P0_1, + + // Other mbed Pin Names + xLED1 = P0_7, + + // DIP Package Names + + dp1 = P0_8, + dp2 = P0_9, + dp3 = P0_10, + dp4 = P0_11, + dp5 = P0_5, + dp6 = P0_6, + dp9 = P1_0, + dp10 = P1_1, + dp11 = P1_2, + dp12 = P1_3, + dp13 = P1_4, + dp14 = P1_5, + dp15 = P1_6, + dp16 = P1_7, + dp17 = P1_8, + dp18 = P1_9, + dp23 = P0_0, + dp24 = P0_1, + dp25 = P0_2, + dp26 = P0_3, + dp27 = P0_4, + dp28 = P0_7, + + // Not connected + NC = (int)0xFFFFFFFF, +} PinName; + +typedef enum { + CHANNEL0 = WAKEUP0_IRQn, + CHANNEL1 = WAKEUP1_IRQn, + CHANNEL2 = WAKEUP2_IRQn, + CHANNEL3 = WAKEUP3_IRQn, + CHANNEL4 = WAKEUP4_IRQn, + CHANNEL5 = WAKEUP5_IRQn, + CHANNEL6 = WAKEUP6_IRQn, + CHANNEL7 = WAKEUP7_IRQn +} Channel; + +typedef enum { + PullUp = 2, + PullDown = 1, + PullNone = 0, + Repeater = 3, + OpenDrain = 4 +} PinMode; + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PortNames.h b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PortNames.h new file mode 100644 index 00000000000..4887fecb332 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/PortNames.h @@ -0,0 +1,33 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_PORTNAMES_H +#define MBED_PORTNAMES_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef enum { + Port0 = 0, + Port1 = 1, + Port2 = 2, + Port3 = 3 +} PortName; + +#ifdef __cplusplus +} +#endif +#endif diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/README.md b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/README.md new file mode 100644 index 00000000000..0031266b9e8 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/README.md @@ -0,0 +1,4 @@ +LPC11C24 Port +-------------- +Based on a port of the MBED SDK to the NXP LPC1114 by Yoshihiro Tsuboi, Toyomasa Watarai and Matthew Else. +Extra, LPC11C24-specific things added by Joris Aerts. \ No newline at end of file diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/analogin_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/analogin_api.c new file mode 100644 index 00000000000..2309224f68e --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/analogin_api.c @@ -0,0 +1,123 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "analogin_api.h" +#include "cmsis.h" +#include "pinmap.h" +#include "error.h" + +#define ANALOGIN_MEDIAN_FILTER 1 + +#define ADC_10BIT_RANGE 0x3FF +#define ADC_12BIT_RANGE 0xFFF + +static inline int div_round_up(int x, int y) { + return (x + (y - 1)) / y; +} + +static const PinMap PinMap_ADC[] = { + {P0_11, ADC0_0, 2}, + {P1_0 , ADC0_1, 2}, + {P1_1 , ADC0_2, 2}, + {P1_2 , ADC0_3, 2}, + {P1_3 , ADC0_4, 2}, + {P1_4 , ADC0_5, 1}, + {P1_10, ADC0_6, 1}, + {P1_11, ADC0_7, 1}, + {NC , NC , 0} +}; + +#define ADC_RANGE ADC_10BIT_RANGE + +void analogin_init(analogin_t *obj, PinName pin) { + obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); + if (obj->adc == (uint32_t)NC) { + error("ADC pin mapping failed"); + } + + // Power up ADC + LPC_SYSCON->PDRUNCFG &= ~ (1 << 4); + LPC_SYSCON->SYSAHBCLKCTRL |= ((uint32_t)1 << 13); + + uint32_t offset = (uint32_t)pin & 0xff; + __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + offset); + + // set pin to ADC mode + *reg &= ~(1 << 7); // set ADMODE = 0 (analog mode) + + uint32_t PCLK = SystemCoreClock; + uint32_t MAX_ADC_CLK = 4500000; + uint32_t clkdiv = div_round_up(PCLK, MAX_ADC_CLK) - 1; + + LPC_ADC->CR = (0 << 0) // no channels selected + | (clkdiv << 8) // max of 4.5MHz + | (0 << 16) // BURST = 0, software controlled + | ( 0 << 17 ); // CLKS = 0, not applicable + + pinmap_pinout(pin, PinMap_ADC); +} + +static inline uint32_t adc_read(analogin_t *obj) { + // Select the appropriate channel and start conversion + LPC_ADC->CR &= ~0xFF; + LPC_ADC->CR |= 1 << (int)obj->adc; + LPC_ADC->CR |= 1 << 24; + + // Repeatedly get the sample data until DONE bit + unsigned int data; + do { + data = LPC_ADC->GDR; + } while ((data & ((unsigned int)1 << 31)) == 0); + + // Stop conversion + LPC_ADC->CR &= ~(1 << 24); + + return (data >> 6) & ADC_RANGE; // 10 bit +} + +static inline void order(uint32_t *a, uint32_t *b) { + if (*a > *b) { + uint32_t t = *a; + *a = *b; + *b = t; + } +} + +static inline uint32_t adc_read_u32(analogin_t *obj) { + uint32_t value; +#if ANALOGIN_MEDIAN_FILTER + uint32_t v1 = adc_read(obj); + uint32_t v2 = adc_read(obj); + uint32_t v3 = adc_read(obj); + order(&v1, &v2); + order(&v2, &v3); + order(&v1, &v2); + value = v2; +#else + value = adc_read(obj); +#endif + return value; +} + +uint16_t analogin_read_u16(analogin_t *obj) { + uint32_t value = adc_read_u32(obj); + + return (value << 6) | ((value >> 4) & 0x003F); // 10 bit +} + +float analogin_read(analogin_t *obj) { + uint32_t value = adc_read_u32(obj); + return (float)value * (1.0f / (float)ADC_RANGE); +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/device.h b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/device.h new file mode 100644 index 00000000000..0ef445e8de3 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/device.h @@ -0,0 +1,59 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_DEVICE_H +#define MBED_DEVICE_H + +#define DEVICE_PORTIN 1 +#define DEVICE_PORTOUT 1 +#define DEVICE_PORTINOUT 1 + +#define DEVICE_INTERRUPTIN 1 + +#define DEVICE_ANALOGIN 1 +#define DEVICE_ANALOGOUT 0 + +#define DEVICE_SERIAL 1 + +#define DEVICE_I2C 1 +#define DEVICE_I2CSLAVE 1 + +#define DEVICE_SPI 1 +#define DEVICE_SPISLAVE 1 + +#define DEVICE_CAN 1 + +#define DEVICE_RTC 0 + +#define DEVICE_ETHERNET 0 + +#define DEVICE_PWMOUT 1 + +#define DEVICE_SEMIHOST 1 +#define DEVICE_LOCALFILESYSTEM 1 +#define DEVICE_ID_LENGTH 32 +#define DEVICE_MAC_OFFSET 20 + +#define DEVICE_SLEEP 1 + +#define DEVICE_DEBUG_AWARENESS 0 + +#define DEVICE_STDIO_MESSAGES 1 + +#define DEVICE_ERROR_PATTERN 1 + +#include "objects.h" + +#endif diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_api.c new file mode 100644 index 00000000000..ffdad22b9f3 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_api.c @@ -0,0 +1,62 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "gpio_api.h" +#include "pinmap.h" + +uint32_t gpio_set(PinName pin) { + // PIO default value of following ports are not same as others + int f = ((pin == P0_0 ) || // RESET + (pin == P0_10) || // SWCLK + (pin == P0_11) || // R + (pin == P1_0 ) || // R + (pin == P1_1 ) || // R + (pin == P1_2 ) || // R + (pin == P1_3 )) ? // + (1) : (0); + + pin_function(pin, f); + return ((pin & 0x0F00) >> 8); +} + +void gpio_init(gpio_t *obj, PinName pin, PinDirection direction) { + if(pin == NC) return; + + obj->pin = pin; + LPC_GPIO_TypeDef *port_reg = ((LPC_GPIO_TypeDef *) (LPC_GPIO0_BASE + (((pin & 0xF000) >> PORT_SHIFT) * 0x10000))); + + obj->reg_mask_read = &port_reg->MASKED_ACCESS[gpio_set(pin) + 1]; + obj->reg_dir = &port_reg->DIR; + obj->reg_write = &port_reg->DATA; + + gpio_dir(obj, direction); + + switch (direction) { + case PIN_OUTPUT: pin_mode(pin, PullNone); break; + case PIN_INPUT : pin_mode(pin, PullDown); break; + } +} + +void gpio_mode(gpio_t *obj, PinMode mode) { + pin_mode(obj->pin, mode); +} + +void gpio_dir(gpio_t *obj, PinDirection direction) { + int pin_number = ((obj->pin & 0x0F00) >> 8); + switch (direction) { + case PIN_INPUT : *obj->reg_dir &= ~(1 << pin_number); break; + case PIN_OUTPUT: *obj->reg_dir |= (1 << pin_number); break; + } +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_irq_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_irq_api.c new file mode 100644 index 00000000000..7049894c03a --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_irq_api.c @@ -0,0 +1,166 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include +#include "cmsis.h" +#include "gpio_irq_api.h" +#include "error.h" +#include "gpio_api.h" + +// The chip is capable of 4 external interrupts. +#define CHANNEL_NUM 4 + +static uint32_t channel_ids[CHANNEL_NUM] = {0}; +static gpio_irq_handler irq_handler; +static PinName pin_names[CHANNEL_NUM] = {}; +static uint8_t trigger_events[CHANNEL_NUM] = {}; + +static inline void handle_interrupt_in(uint32_t channel) { + // Find out whether the interrupt has been triggered by a high or low value... + // As the LPC1114 doesn't have a specific register for this, we'll just have to read + // the level of the pin as if it were just a normal input... + + // Get the number of the pin being used and the port typedef + LPC_GPIO_TypeDef *port_reg = ((LPC_GPIO_TypeDef *) (LPC_GPIO0_BASE + (((pin_names[channel] & 0xF000) >> PORT_SHIFT) * 0x10000))); + uint8_t pin_num = (pin_names[channel] & (0x0f << PIN_SHIFT)) >> PIN_SHIFT; + uint8_t trigger_event = trigger_events[channel]; + + if (trigger_event == 1) + irq_handler(channel_ids[channel], IRQ_RISE); + else if (trigger_event == 2) + irq_handler(channel_ids[channel], IRQ_FALL); + else { + // In order to get an idea of which kind of event it is, + // We need to read the logic level of the pin... + + uint8_t logic = (port_reg->DATA & (1 << pin_num)) >> pin_num; + + if (logic == 1) + irq_handler(channel_ids[channel], IRQ_RISE); + else + irq_handler(channel_ids[channel], IRQ_FALL); + } + + // Clear the interrupt... + port_reg->IC |= 1 << pin_num; +} + +void gpio_irq0(void) {handle_interrupt_in(0);} +void gpio_irq1(void) {handle_interrupt_in(1);} +void gpio_irq2(void) {handle_interrupt_in(2);} +void gpio_irq3(void) {handle_interrupt_in(3);} + +int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) { + if (pin == NC) return -1; + + // Firstly, we'll put some data in *obj so we can keep track of stuff. + obj->pin = pin; + + // Set the handler to be the pointer at the top... + irq_handler = handler; + + // Which port are we using? + int channel; + uint32_t port_reg = (LPC_GPIO0_BASE + (((pin & 0xF000) >> PORT_SHIFT) * 0x10000)); + + switch (port_reg) { + case LPC_GPIO0_BASE: + NVIC_SetVector(EINT0_IRQn, (uint32_t)gpio_irq0); + NVIC_EnableIRQ(EINT0_IRQn); + channel = 0; + break; + case LPC_GPIO1_BASE: + NVIC_SetVector(EINT1_IRQn, (uint32_t)gpio_irq1); + NVIC_EnableIRQ(EINT1_IRQn); + channel = 1; + break; + case LPC_GPIO2_BASE: + NVIC_SetVector(EINT2_IRQn, (uint32_t)gpio_irq2); + NVIC_EnableIRQ(EINT2_IRQn); + channel = 2; + break; + case LPC_GPIO3_BASE: + NVIC_SetVector(EINT3_IRQn, (uint32_t)gpio_irq3); + NVIC_EnableIRQ(EINT3_IRQn); + channel = 3; + break; + default: + channel = -1; + error("Invalid interrupt choice."); + break; + } + + channel_ids[channel] = id; + pin_names[channel] = pin; + obj->ch = channel; + return 0; +} + +void gpio_irq_free(gpio_irq_t *obj) { + channel_ids[obj->ch] = 0; +} + +void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) { + // Firstly, check if there is an existing event stored... + + LPC_GPIO_TypeDef *port_reg = ((LPC_GPIO_TypeDef *) (LPC_GPIO0_BASE + (((obj->pin & 0xF000) >> PORT_SHIFT) * 0x10000))); + + // Need to get the pin number of the pin, not the value of the enum + uint8_t pin_num = (obj->pin & (0x0f << PIN_SHIFT)) >> PIN_SHIFT; + + + if (trigger_events[obj->ch] != 0) { + // We have an event. + // Enable both edge interrupts. + + if (enable) { + trigger_events[obj->ch] = 3; + port_reg->IBE |= 1 << pin_num; + port_reg->IE |= 1 << pin_num; + } + else { + // These all need to be opposite, to reenable the other one. + trigger_events[obj->ch] = event == IRQ_RISE ? 2 : 1; + + port_reg->IBE &= ~(1 << pin_num); + + if (event == IRQ_RISE) + port_reg->IEV &= ~(1 << pin_num); + else + port_reg->IEV |= 1 << pin_num; + + port_reg->IE |= 1 << pin_num; + } + } + else { + if (enable) { + trigger_events[obj->ch] = event == IRQ_RISE ? 1 : 2; + port_reg->IE |= 1 << pin_num; + } + // One edge + port_reg->IBE &= ~(1 << pin_num); + // Rising/falling? + if (event == IRQ_RISE) + port_reg->IEV |= 1 << pin_num; + else + port_reg->IEV &= ~(1 << pin_num); + } + + // Clear + port_reg->IC |= 1 << pin_num; + + // Make it edge sensitive. + port_reg->IS &= ~(1 << pin_num); +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_object.h b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_object.h new file mode 100644 index 00000000000..2ece747074f --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/gpio_object.h @@ -0,0 +1,46 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_GPIO_OBJECT_H +#define MBED_GPIO_OBJECT_H + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + PinName pin; + __I uint32_t *reg_mask_read; + __IO uint32_t *reg_dir; + __IO uint32_t *reg_write; +} gpio_t; + +static inline void gpio_write(gpio_t *obj, int value) { + uint32_t pin_number = ((obj->pin & 0x0F00) >> 8); + if (value) + *obj->reg_write |= (1 << pin_number); + else + *obj->reg_write &= ~(1 << pin_number); +} + +static inline int gpio_read(gpio_t *obj) { + return ((*obj->reg_mask_read) ? 1 : 0); +} + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/i2c_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/i2c_api.c new file mode 100644 index 00000000000..6fb7b238501 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/i2c_api.c @@ -0,0 +1,387 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "i2c_api.h" +#include "cmsis.h" +#include "pinmap.h" +#include "error.h" + +static const PinMap PinMap_I2C_SDA[] = { + {P0_5, I2C_0, 1}, + {NC , NC , 0} +}; + +static const PinMap PinMap_I2C_SCL[] = { + {P0_4, I2C_0, 1}, + {NC , NC, 0} +}; + +#define I2C_CONSET(x) (x->i2c->CONSET) +#define I2C_CONCLR(x) (x->i2c->CONCLR) +#define I2C_STAT(x) (x->i2c->STAT) +#define I2C_DAT(x) (x->i2c->DAT) +#define I2C_SCLL(x, val) (x->i2c->SCLL = val) +#define I2C_SCLH(x, val) (x->i2c->SCLH = val) + +static const uint32_t I2C_addr_offset[2][4] = { + {0x0C, 0x20, 0x24, 0x28}, + {0x30, 0x34, 0x38, 0x3C} +}; + +static inline void i2c_conclr(i2c_t *obj, int start, int stop, int interrupt, int acknowledge) { + I2C_CONCLR(obj) = (start << 5) + | (stop << 4) + | (interrupt << 3) + | (acknowledge << 2); +} + +static inline void i2c_conset(i2c_t *obj, int start, int stop, int interrupt, int acknowledge) { + I2C_CONSET(obj) = (start << 5) + | (stop << 4) + | (interrupt << 3) + | (acknowledge << 2); +} + +// Clear the Serial Interrupt (SI) +static inline void i2c_clear_SI(i2c_t *obj) { + i2c_conclr(obj, 0, 0, 1, 0); +} + +static inline int i2c_status(i2c_t *obj) { + return I2C_STAT(obj); +} + +// Wait until the Serial Interrupt (SI) is set +static int i2c_wait_SI(i2c_t *obj) { + int timeout = 0; + while (!(I2C_CONSET(obj) & (1 << 3))) { + timeout++; + if (timeout > 100000) return -1; + } + return 0; +} + +static inline void i2c_interface_enable(i2c_t *obj) { + I2C_CONSET(obj) = 0x40; +} + +static inline void i2c_power_enable(i2c_t *obj) { + LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 5); + LPC_SYSCON->PRESETCTRL |= 1 << 1; +} + +void i2c_init(i2c_t *obj, PinName sda, PinName scl) { + // determine the SPI to use + I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); + I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); + obj->i2c = (LPC_I2C_TypeDef *)pinmap_merge(i2c_sda, i2c_scl); + + if ((int)obj->i2c == NC) { + error("I2C pin mapping failed"); + } + + // enable power + i2c_power_enable(obj); + + // set default frequency at 100k + i2c_frequency(obj, 100000); + i2c_conclr(obj, 1, 1, 1, 1); + i2c_interface_enable(obj); + + pinmap_pinout(sda, PinMap_I2C_SDA); + pinmap_pinout(scl, PinMap_I2C_SCL); +} + +inline int i2c_start(i2c_t *obj) { + int status = 0; + // 8.1 Before master mode can be entered, I2CON must be initialised to: + // - I2EN STA STO SI AA - - + // - 1 0 0 0 x - - + // if AA = 0, it can't enter slave mode + i2c_conclr(obj, 1, 1, 1, 1); + + // The master mode may now be entered by setting the STA bit + // this will generate a start condition when the bus becomes free + i2c_conset(obj, 1, 0, 0, 1); + + i2c_wait_SI(obj); + status = i2c_status(obj); + + // Clear start bit now transmitted, and interrupt bit + i2c_conclr(obj, 1, 0, 0, 0); + return status; +} + +inline int i2c_stop(i2c_t *obj) { + int timeout = 0; + + // write the stop bit + i2c_conset(obj, 0, 1, 0, 0); + i2c_clear_SI(obj); + + // wait for STO bit to reset + while(I2C_CONSET(obj) & (1 << 4)) { + timeout ++; + if (timeout > 100000) return 1; + } + + return 0; +} + + +static inline int i2c_do_write(i2c_t *obj, int value, uint8_t addr) { + // write the data + I2C_DAT(obj) = value; + + // clear SI to init a send + i2c_clear_SI(obj); + + // wait and return status + i2c_wait_SI(obj); + return i2c_status(obj); +} + +static inline int i2c_do_read(i2c_t *obj, int last) { + // we are in state 0x40 (SLA+R tx'd) or 0x50 (data rx'd and ack) + if (last) { + i2c_conclr(obj, 0, 0, 0, 1); // send a NOT ACK + } else { + i2c_conset(obj, 0, 0, 0, 1); // send a ACK + } + + // accept byte + i2c_clear_SI(obj); + + // wait for it to arrive + i2c_wait_SI(obj); + + // return the data + return (I2C_DAT(obj) & 0xFF); +} + +void i2c_frequency(i2c_t *obj, int hz) { + // No peripheral clock divider on the M0 + uint32_t PCLK = SystemCoreClock; + + uint32_t pulse = PCLK / (hz * 2); + + // I2C Rate + I2C_SCLL(obj, pulse); + I2C_SCLH(obj, pulse); +} + +// The I2C does a read or a write as a whole operation +// There are two types of error conditions it can encounter +// 1) it can not obtain the bus +// 2) it gets error responses at part of the transmission +// +// We tackle them as follows: +// 1) we retry until we get the bus. we could have a "timeout" if we can not get it +// which basically turns it in to a 2) +// 2) on error, we use the standard error mechanisms to report/debug +// +// Therefore an I2C transaction should always complete. If it doesn't it is usually +// because something is setup wrong (e.g. wiring), and we don't need to programatically +// check for that + +int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) { + int count, status; + + status = i2c_start(obj); + + if ((status != 0x10) && (status != 0x08)) { + i2c_stop(obj); + return I2C_ERROR_BUS_BUSY; + } + + status = i2c_do_write(obj, (address | 0x01), 1); + if (status != 0x40) { + i2c_stop(obj); + return I2C_ERROR_NO_SLAVE; + } + + // Read in all except last byte + for (count = 0; count < (length - 1); count++) { + int value = i2c_do_read(obj, 0); + status = i2c_status(obj); + if (status != 0x50) { + i2c_stop(obj); + return count; + } + data[count] = (char) value; + } + + // read in last byte + int value = i2c_do_read(obj, 1); + status = i2c_status(obj); + if (status != 0x58) { + i2c_stop(obj); + return length - 1; + } + + data[count] = (char) value; + + // If not repeated start, send stop. + if (stop) { + i2c_stop(obj); + } + + return length; +} + +int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) { + int i, status; + + status = i2c_start(obj); + + if ((status != 0x10) && (status != 0x08)) { + i2c_stop(obj); + return I2C_ERROR_BUS_BUSY; + } + + status = i2c_do_write(obj, (address & 0xFE), 1); + if (status != 0x18) { + i2c_stop(obj); + return I2C_ERROR_NO_SLAVE; + } + + for (i=0; i= 0) && (idx <= 3)) { + addr = ((uint32_t)obj->i2c) + I2C_addr_offset[0][idx]; + *((uint32_t *) addr) = address & 0xFF; + } +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/objects.h b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/objects.h new file mode 100644 index 00000000000..02f982d559f --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/objects.h @@ -0,0 +1,68 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#ifndef MBED_OBJECTS_H +#define MBED_OBJECTS_H + +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct gpio_irq_s { + uint32_t ch; + PinName pin; + __I uint32_t *reg_mask_read; +}; + +struct port_s { + __IO uint32_t *reg_dir; + __IO uint32_t *reg_data; + PortName port; + uint32_t mask; +}; + +struct pwmout_s { + PWMName pwm; +}; + +struct serial_s { + LPC_UART_TypeDef *uart; + int index; +}; + +struct analogin_s { + ADCName adc; +}; + +struct i2c_s { + LPC_I2C_TypeDef *i2c; +}; + +struct spi_s { + LPC_SSP_TypeDef *spi; +}; + +#include "gpio_object.h" + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/pinmap.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/pinmap.c new file mode 100644 index 00000000000..8006ca18f1f --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/pinmap.c @@ -0,0 +1,47 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "pinmap.h" +#include "error.h" + +void pin_function(PinName pin, int function) { + if (pin == (uint32_t)NC) return; + + uint32_t offset = (uint32_t)pin & 0xff; + __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + offset); + + // pin function bits: [2:0] -> 111 = (0x7) + *reg = (*reg & ~0x7) | (function & 0x7); +} + +void pin_mode(PinName pin, PinMode mode) { + if (pin == (uint32_t)NC) { return; } + + uint32_t offset = (uint32_t)pin & 0xff; + uint32_t drain = ((uint32_t) mode & (uint32_t) OpenDrain) >> 2; + + __IO uint32_t *reg = (__IO uint32_t*)(LPC_IOCON_BASE + offset); + uint32_t tmp = *reg; + + // pin mode bits: [4:3] -> 11000 = (0x3 << 3) + tmp &= ~(0x3 << 3); + tmp |= (mode & 0x3) << 3; + + // drain + tmp &= ~(0x1 << 10); + tmp |= drain << 10; + + *reg = tmp; +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/port_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/port_api.c new file mode 100644 index 00000000000..3dd911eed59 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/port_api.c @@ -0,0 +1,78 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "port_api.h" +#include "pinmap.h" +#include "gpio_api.h" + +// LPC114 IOCON offset table [port][pin] + +static uint8_t iocon_offset[4][12] = { + {0x0c,0x10,0x1c,0x2c,0x30,0x34,0x4c,0x50,0x60,0x64,0x68,0x74}, // PORT 0 + {0x78,0x7c,0x80,0x90,0x94,0xa0,0xa4,0xa8,0x14,0x38,0x6c,0x98}, // PORT 1 + {0x08,0x28,0x5c,0x8c,0x40,0x44,0x00,0x20,0x24,0x54,0x58,0x70}, // PORT 2 + {0x84,0x88,0x9c,0xac,0x3c,0x48} // PORT 3 +}; + +PinName port_pin(PortName port, int pin) { + return (PinName)((port << PORT_SHIFT) | (pin << PIN_SHIFT) | (uint32_t)iocon_offset[port][pin]); +} + +void port_init(port_t *obj, PortName port, int mask, PinDirection dir) { + obj->port = port; + obj->mask = mask; + + LPC_GPIO_TypeDef *port_reg = ((LPC_GPIO_TypeDef *) (LPC_GPIO0_BASE + (port * 0x10000))); + + obj->reg_data = &port_reg->DATA; + obj->reg_dir = &port_reg->DIR; + + uint32_t i; + // The function is set per pin: reuse gpio logic + for (i=0; i<12; i++) { + if (obj->mask & (1<port, i)); + } + } + + port_dir(obj, dir); +} + +void port_mode(port_t *obj, PinMode mode) { + uint32_t i; + // The mode is set per pin: reuse pinmap logic + for (i=0; i<12; i++) { + if (obj->mask & (1<port, i), mode); + } + } +} + +void port_dir(port_t *obj, PinDirection dir) { + switch (dir) { + case PIN_INPUT : *obj->reg_dir &= ~obj->mask; break; + case PIN_OUTPUT: *obj->reg_dir |= obj->mask; break; + } +} + +void port_write(port_t *obj, int value) { + *obj->reg_data = (value & obj->mask); +} + +int port_read(port_t *obj) { + return (*obj->reg_data & obj->mask); +} + diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/pwmout_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/pwmout_api.c new file mode 100644 index 00000000000..1872302219b --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/pwmout_api.c @@ -0,0 +1,183 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "pwmout_api.h" +#include "cmsis.h" +#include "pinmap.h" +#include "error.h" + +#define TCR_CNT_EN 0x00000001 +#define TCR_RESET 0x00000002 + +/* To have a PWM where we can change both the period and the duty cycle, + * we need an entire timer. With the following conventions: + * * MR3 is used for the PWM period + * * MR0, MR1, MR2 are used for the duty cycle + */ +static const PinMap PinMap_PWM[] = { + /* CT16B0 */ + {P0_8 , PWM_1, 0x02}, /* MR0 */ + {P0_9 , PWM_2, 0x02}, /* MR1 */ + {P0_10, PWM_3, 0x03}, /* MR2 */ + + /* CT16B1 */ + {P1_9 , PWM_4, 0x01}, /* MR0 */ + {P1_10, PWM_5, 0x02}, /* MR1 */ + + /* CT32B0 */ + {P1_6 , PWM_6, 0x02}, /* MR0 */ + {P1_7 , PWM_7, 0x02}, /* MR1 */ + {P0_1 , PWM_8, 0x02}, /* MR2 */ + + /* CT32B1 */ + {P1_1 , PWM_9 ,0x03}, /* MR0 */ + {P1_2 , PWM_10,0x03}, /* MR1 */ + {P1_3 , PWM_11,0x03}, /* MR2 */ + + {NC , NC ,0x00} +}; + +typedef struct { + uint8_t timer; + uint8_t mr; +} timer_mr; + +static timer_mr pwm_timer_map[4] = { + {0, 0}, + {1, 0}, + {2, 0}, + {3, 0}, +}; + +static LPC_TMR_TypeDef *Timers[4] = { + LPC_TMR16B0, LPC_TMR16B1, + LPC_TMR32B0, LPC_TMR32B1 +}; + +static unsigned int pwm_clock_mhz; + +void pwmout_init(pwmout_t* obj, PinName pin) { + // determine the channel + PWMName pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); + if (pwm == (uint32_t)NC) + error("PwmOut pin mapping failed"); + + obj->pwm = pwm; + + // Timer registers + timer_mr tid = pwm_timer_map[pwm]; + LPC_TMR_TypeDef *timer = Timers[tid.timer]; + + // Disable timer + timer->TCR = 0; + + // Power the correspondent timer + LPC_SYSCON->SYSAHBCLKCTRL |= 1 << (tid.timer + 7); + + /* Enable PWM function */ + timer->PWMC = (1 << 3)|(1 << 2)|(1 << 1)|(1 << 0); + + /* Reset Functionality on MR3 controlling the PWM period */ + timer->MCR = 1 << 10; + + pwm_clock_mhz = SystemCoreClock / 1000000; + + // default to 20ms: standard for servos, and fine for e.g. brightness control + pwmout_period_ms(obj, 20); + pwmout_write (obj, 0); + + // Wire pinout + pinmap_pinout(pin, PinMap_PWM); +} + +void pwmout_free(pwmout_t* obj) { + // [TODO] +} + +void pwmout_write(pwmout_t* obj, float value) { + if (value < 0.0f) { + value = 0.0; + } else if (value > 1.0f) { + value = 1.0; + } + + timer_mr tid = pwm_timer_map[obj->pwm]; + LPC_TMR_TypeDef *timer = Timers[tid.timer]; + uint32_t t_off = timer->MR3 - (uint32_t)((float)(timer->MR3) * value); + + timer->TCR = TCR_RESET; + timer->MR[tid.mr] = t_off; + timer->TCR = TCR_CNT_EN; +} + +float pwmout_read(pwmout_t* obj) { + timer_mr tid = pwm_timer_map[obj->pwm]; + LPC_TMR_TypeDef *timer = Timers[tid.timer]; + + float v = (float)(timer->MR3 - timer->MR[tid.mr]) / (float)(timer->MR3); + return (v > 1.0f) ? (1.0f) : (v); +} + +void pwmout_period(pwmout_t* obj, float seconds) { + pwmout_period_us(obj, seconds * 1000000.0f); +} + +void pwmout_period_ms(pwmout_t* obj, int ms) { + pwmout_period_us(obj, ms * 1000); +} + +// Set the PWM period, keeping the duty cycle the same. +void pwmout_period_us(pwmout_t* obj, int us) { + int i = 0; + uint32_t period_ticks = pwm_clock_mhz * us; + + timer_mr tid = pwm_timer_map[obj->pwm]; + LPC_TMR_TypeDef *timer = Timers[tid.timer]; + uint32_t old_period_ticks = timer->MR3; + + timer->TCR = TCR_RESET; + timer->MR3 = period_ticks; + + // Scale the pulse width to preserve the duty ratio + if (old_period_ticks > 0) { + for (i=0; i<3; i++) { + uint32_t t_off = period_ticks - (uint32_t)(((uint64_t)timer->MR[i] * (uint64_t)period_ticks) / (uint64_t)old_period_ticks); + timer->MR[i] = t_off; + } + } + timer->TCR = TCR_CNT_EN; +} + +void pwmout_pulsewidth(pwmout_t* obj, float seconds) { + pwmout_pulsewidth_us(obj, seconds * 1000000.0f); +} + +void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) { + pwmout_pulsewidth_us(obj, ms * 1000); +} + +void pwmout_pulsewidth_us(pwmout_t* obj, int us) { + uint32_t t_on = (uint32_t)(((uint64_t)SystemCoreClock * (uint64_t)us) / (uint64_t)1000000); + timer_mr tid = pwm_timer_map[obj->pwm]; + LPC_TMR_TypeDef *timer = Timers[tid.timer]; + + timer->TCR = TCR_RESET; + if (t_on > timer->MR3) { + pwmout_period_us(obj, us); + } + uint32_t t_off = timer->MR3 - t_on; + timer->MR[tid.mr] = t_off; + timer->TCR = TCR_CNT_EN; +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/serial_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/serial_api.c new file mode 100644 index 00000000000..6b12c50345b --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/serial_api.c @@ -0,0 +1,284 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +// math.h required for floating point operations for baud rate calculation +#include +#include + +#include "serial_api.h" +#include "cmsis.h" +#include "pinmap.h" +#include "error.h" + +/****************************************************************************** + * INITIALIZATION + ******************************************************************************/ +#define UART_NUM 1 + +static const PinMap PinMap_UART_TX[] = { + {P2_8 , UART_0, 0x02}, + {P3_5 , UART_0, 0x02}, + {P3_0 , UART_0, 0x03}, + {P1_7 , UART_0, 0x01}, + {NC , NC , 0x00} +}; + +static const PinMap PinMap_UART_RX[] = { + {P2_7 , UART_0, 0x02}, + {P3_4 , UART_0, 0x02}, + {P3_1 , UART_0, 0x03}, + {P1_6 , UART_0, 0x01}, + {NC , NC , 0x00} +}; + +static uint32_t serial_irq_ids[UART_NUM] = {0}; +static uart_irq_handler irq_handler; + +int stdio_uart_inited = 0; +serial_t stdio_uart; + +void serial_init(serial_t *obj, PinName tx, PinName rx) { + int is_stdio_uart = 0; + + // determine the UART to use + UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); + UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); + UARTName uart = (UARTName)pinmap_merge(uart_tx, uart_rx); + if ((int)uart == NC) { + error("Serial pinout mapping failed"); + } + + obj->uart = (LPC_UART_TypeDef *)uart; + LPC_SYSCON->SYSAHBCLKCTRL |= (1<<12); + + // enable fifos and default rx trigger level + obj->uart->FCR = 1 << 0 // FIFO Enable - 0 = Disables, 1 = Enabled + | 0 << 1 // Rx Fifo Reset + | 0 << 2 // Tx Fifo Reset + | 0 << 6; // Rx irq trigger level - 0 = 1 char, 1 = 4 chars, 2 = 8 chars, 3 = 14 chars + + // disable irqs + obj->uart->IER = 0 << 0 // Rx Data available irq enable + | 0 << 1 // Tx Fifo empty irq enable + | 0 << 2; // Rx Line Status irq enable + + // set default baud rate and format + serial_baud (obj, 9600); + serial_format(obj, 8, ParityNone, 1); + + // pinout the chosen uart + pinmap_pinout(tx, PinMap_UART_TX); + pinmap_pinout(rx, PinMap_UART_RX); + + // set rx/tx pins in PullUp mode + pin_mode(tx, PullUp); + pin_mode(rx, PullUp); + + switch (uart) { + case UART_0: obj->index = 0; break; + } + + is_stdio_uart = (uart == STDIO_UART) ? (1) : (0); + + if (is_stdio_uart) { + stdio_uart_inited = 1; + memcpy(&stdio_uart, obj, sizeof(serial_t)); + } +} + +void serial_free(serial_t *obj) { + serial_irq_ids[obj->index] = 0; +} + +// serial_baud +// set the baud rate, taking in to account the current SystemFrequency +void serial_baud(serial_t *obj, int baudrate) { + LPC_SYSCON->UARTCLKDIV = 0x1; + uint32_t PCLK = SystemCoreClock; + // First we check to see if the basic divide with no DivAddVal/MulVal + // ratio gives us an integer result. If it does, we set DivAddVal = 0, + // MulVal = 1. Otherwise, we search the valid ratio value range to find + // the closest match. This could be more elegant, using search methods + // and/or lookup tables, but the brute force method is not that much + // slower, and is more maintainable. + uint16_t DL = PCLK / (16 * baudrate); + + uint8_t DivAddVal = 0; + uint8_t MulVal = 1; + int hit = 0; + uint16_t dlv; + uint8_t mv, dav; + if ((PCLK % (16 * baudrate)) != 0) { // Checking for zero remainder + float err_best = (float) baudrate; + uint16_t dlmax = DL; + for ( dlv = (dlmax/2); (dlv <= dlmax) && !hit; dlv++) { + for ( mv = 1; mv <= 15; mv++) { + for ( dav = 1; dav < mv; dav++) { + float ratio = 1.0f + ((float) dav / (float) mv); + float calcbaud = (float)PCLK / (16.0f * (float) dlv * ratio); + float err = fabs(((float) baudrate - calcbaud) / (float) baudrate); + if (err < err_best) { + DL = dlv; + DivAddVal = dav; + MulVal = mv; + err_best = err; + if (err < 0.001f) { + hit = 1; + } + } + } + } + } + } + + // set LCR[DLAB] to enable writing to divider registers + obj->uart->LCR |= (1 << 7); + + // set divider values + obj->uart->DLM = (DL >> 8) & 0xFF; + obj->uart->DLL = (DL >> 0) & 0xFF; + obj->uart->FDR = (uint32_t) DivAddVal << 0 + | (uint32_t) MulVal << 4; + + // clear LCR[DLAB] + obj->uart->LCR &= ~(1 << 7); +} + +void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) { + // 0: 1 stop bits, 1: 2 stop bits + if (stop_bits != 1 && stop_bits != 2) { + error("Invalid stop bits specified"); + } + stop_bits -= 1; + + // 0: 5 data bits ... 3: 8 data bits + if (data_bits < 5 || data_bits > 8) { + error("Invalid number of bits (%d) in serial format, should be 5..8", data_bits); + } + data_bits -= 5; + + int parity_enable, parity_select; + switch (parity) { + case ParityNone: parity_enable = 0; parity_select = 0; break; + case ParityOdd : parity_enable = 1; parity_select = 0; break; + case ParityEven: parity_enable = 1; parity_select = 1; break; + case ParityForced1: parity_enable = 1; parity_select = 2; break; + case ParityForced0: parity_enable = 1; parity_select = 3; break; + default: + error("Invalid serial parity setting"); + return; + } + + obj->uart->LCR = data_bits << 0 + | stop_bits << 2 + | parity_enable << 3 + | parity_select << 4; +} + +/****************************************************************************** + * INTERRUPTS HANDLING + ******************************************************************************/ +static inline void uart_irq(uint32_t iir, uint32_t index) { + // [Chapter 14] LPC17xx UART0/2/3: UARTn Interrupt Handling + SerialIrq irq_type; + switch (iir) { + case 1: irq_type = TxIrq; break; + case 2: irq_type = RxIrq; break; + default: return; + } + + if (serial_irq_ids[index] != 0) + irq_handler(serial_irq_ids[index], irq_type); +} + +void uart0_irq() {uart_irq((LPC_UART->IIR >> 1) & 0x7, 0);} + +void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) { + irq_handler = handler; + serial_irq_ids[obj->index] = id; +} + +void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) { + IRQn_Type irq_n = (IRQn_Type)0; + uint32_t vector = 0; + switch ((int)obj->uart) { + case UART_0: + irq_n=UART_IRQn; + vector = (uint32_t)&uart0_irq; + break; + default: + return; + } + + if (enable) { + obj->uart->IER |= 1 << irq; + NVIC_SetVector(irq_n, vector); + NVIC_EnableIRQ(irq_n); + } else { // disable + int all_disabled = 0; + SerialIrq other_irq = (irq == RxIrq) ? (TxIrq) : (RxIrq); + + obj->uart->IER &= ~(1 << irq); + all_disabled = (obj->uart->IER & (1 << other_irq)) == 0; + + if (all_disabled) + NVIC_DisableIRQ(irq_n); + } +} + +/****************************************************************************** + * READ/WRITE + ******************************************************************************/ +int serial_getc(serial_t *obj) { + while (!serial_readable(obj)); + return obj->uart->RBR; +} + +void serial_putc(serial_t *obj, int c) { + while (!serial_writable(obj)); + obj->uart->THR = c; + +#warning TODO(@toyowata): need to fix a full-duplex bug? https://mbed.org/forum/bugs-suggestions/topic/4473/ + uint32_t lsr = obj->uart->LSR; + lsr = lsr; + uint32_t thr = obj->uart->THR; + thr = thr; +} + +int serial_readable(serial_t *obj) { + return obj->uart->LSR & 0x01; +} + +int serial_writable(serial_t *obj) { + return obj->uart->LSR & 0x20; +} + +void serial_clear(serial_t *obj) { + obj->uart->FCR = 1 << 1 // rx FIFO reset + | 1 << 2 // tx FIFO reset + | 0 << 6; // interrupt depth +} + +void serial_pinout_tx(PinName tx) { + pinmap_pinout(tx, PinMap_UART_TX); +} + +void serial_break_clear(serial_t *obj) { + obj->uart->LCR &= ~(1 << 6); +} + +void serial_break_set(serial_t *obj) { + obj->uart->LCR |= 1 << 6; +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/sleep.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/sleep.c new file mode 100644 index 00000000000..051db5217bc --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/sleep.c @@ -0,0 +1,75 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "sleep_api.h" +#include "cmsis.h" +#include "mbed_interface.h" + +void sleep(void) { + // ensure debug is disconnected + mbed_interface_disconnect(); + + // PCON[DPDEN] set to sleep + LPC_PMU->PCON = 0x0; + + // SRC[SLEEPDEEP] set to 0 = sleep + SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk; + + // wait for interrupt + __WFI(); +} + +/* +* The mbed lpc1768 does not support the deepsleep mode +* as a debugger is connected to it (the mbed interface). +* +* As mentionned in an application note from NXP: +* +* http://www.po-star.com/public/uploads/20120319123122_141.pdf +* +* {{{ +* The user should be aware of certain limitations during debugging. +* The most important is that, due to limitations of the Cortex-M3 +* integration, the LPC17xx cannot wake up in the usual manner from +* Deep Sleep and Power-down modes. It is recommended not to use these +* modes during debug. Once an application is downloaded via JTAG/SWD +* interface, the USB to SWD/JTAG debug adapter (Keil ULINK2 for example) +* should be removed from the target board, and thereafter, power cycle +* the LPC17xx to allow wake-up from deep sleep and power-down modes +* }}} +* +* As the interface firmware does not reset the target when a +* mbed_interface_disconnect() semihosting call is made, the +* core cannot wake-up from deepsleep. +* +* We treat a deepsleep() as a normal sleep(). +*/ + +void deepsleep(void) { + // ensure debug is disconnected + mbed_interface_disconnect(); + + // PCON[DPDEN] set to deepsleep + LPC_PMU->PCON = 0x2; + + // SRC[SLEEPDEEP] set to 1 = deep sleep + SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk; + + // Power up everything after powerdown + LPC_SYSCON->PDAWAKECFG &= 0xFFFFF800; + + // wait for interrupt + __WFI(); +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/spi_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/spi_api.c new file mode 100644 index 00000000000..a35895682c1 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/spi_api.c @@ -0,0 +1,214 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include +#include "spi_api.h" +#include "cmsis.h" +#include "pinmap.h" +#include "error.h" + +static const PinMap PinMap_SPI_SCLK[] = { + {P0_6 , SPI_0, 0x02}, + {P0_10, SPI_0, 0x02}, + {P2_11, SPI_0, 0x01}, + {P2_1 , SPI_1, 0x02}, + {NC , NC , 0} +}; + +static const PinMap PinMap_SPI_MOSI[] = { + {P0_9 , SPI_0, 0x01}, + {P2_3 , SPI_1, 0x02}, + {NC , NC , 0} +}; + +static const PinMap PinMap_SPI_MISO[] = { + {P0_8 , SPI_0, 0x01}, + {P2_2 , SPI_1, 0x02}, + {NC , NC , 0} +}; + +static const PinMap PinMap_SPI_SSEL[] = { + {P0_2 , SPI_0, 0x01}, + {P2_0 , SPI_1, 0x02}, + {NC , NC , 0} +}; + +static inline int ssp_disable(spi_t *obj); +static inline int ssp_enable(spi_t *obj); + +void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) { + // determine the SPI to use + SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); + SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); + SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK); + SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL); + SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso); + SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel); + + obj->spi = (LPC_SSP_TypeDef*)pinmap_merge(spi_data, spi_cntl); + + if ((int)obj->spi == NC) { + error("SPI pinout mapping failed"); + } + + // enable power and clocking + switch ((int)obj->spi) { + case SPI_0: + LPC_SYSCON->SYSAHBCLKCTRL |= 1 << 11; + LPC_SYSCON->SSP0CLKDIV = 0x01; + LPC_SYSCON->PRESETCTRL |= 1 << 0; + break; + case SPI_1: + LPC_SYSCON->SYSAHBCLKCTRL |= 1 << 18; + LPC_SYSCON->SSP1CLKDIV = 0x01; + LPC_SYSCON->PRESETCTRL |= 1 << 2; + break; + } + + // set default format and frequency + if (ssel == NC) { + spi_format(obj, 8, 0, 0); // 8 bits, mode 0, master + } else { + spi_format(obj, 8, 0, 1); // 8 bits, mode 0, slave + } + spi_frequency(obj, 1000000); + + // enable the ssp channel + ssp_enable(obj); + + // pin out the spi pins + pinmap_pinout(mosi, PinMap_SPI_MOSI); + pinmap_pinout(miso, PinMap_SPI_MISO); + pinmap_pinout(sclk, PinMap_SPI_SCLK); + if (ssel != NC) { + pinmap_pinout(ssel, PinMap_SPI_SSEL); + } +} + +void spi_free(spi_t *obj) {} + +void spi_format(spi_t *obj, int bits, int mode, int slave) { + ssp_disable(obj); + + if (!(bits >= 4 && bits <= 16) || !(mode >= 0 && mode <= 3)) { + error("SPI format error"); + } + + int polarity = (mode & 0x2) ? 1 : 0; + int phase = (mode & 0x1) ? 1 : 0; + + // set it up + int DSS = bits - 1; // DSS (data select size) + int SPO = (polarity) ? 1 : 0; // SPO - clock out polarity + int SPH = (phase) ? 1 : 0; // SPH - clock out phase + + int FRF = 0; // FRF (frame format) = SPI + uint32_t tmp = obj->spi->CR0; + tmp &= ~(0xFFFF); + tmp |= DSS << 0 + | FRF << 4 + | SPO << 6 + | SPH << 7; + obj->spi->CR0 = tmp; + + tmp = obj->spi->CR1; + tmp &= ~(0xD); + tmp |= 0 << 0 // LBM - loop back mode - off + | ((slave) ? 1 : 0) << 2 // MS - master slave mode, 1 = slave + | 0 << 3; // SOD - slave output disable - na + obj->spi->CR1 = tmp; + + ssp_enable(obj); +} + +void spi_frequency(spi_t *obj, int hz) { + ssp_disable(obj); + + uint32_t PCLK = SystemCoreClock; + + int prescaler; + + for (prescaler = 2; prescaler <= 254; prescaler += 2) { + int prescale_hz = PCLK / prescaler; + + // calculate the divider + int divider = floor(((float)prescale_hz / (float)hz) + 0.5f); + + // check we can support the divider + if (divider < 256) { + // prescaler + obj->spi->CPSR = prescaler; + + // divider + obj->spi->CR0 &= ~(0xFFFF << 8); + obj->spi->CR0 |= (divider - 1) << 8; + ssp_enable(obj); + return; + } + } + error("Couldn't setup requested SPI frequency"); +} + +static inline int ssp_disable(spi_t *obj) { + return obj->spi->CR1 &= ~(1 << 1); +} + +static inline int ssp_enable(spi_t *obj) { + return obj->spi->CR1 |= (1 << 1); +} + +static inline int ssp_readable(spi_t *obj) { + return obj->spi->SR & (1 << 2); +} + +static inline int ssp_writeable(spi_t *obj) { + return obj->spi->SR & (1 << 1); +} + +static inline void ssp_write(spi_t *obj, int value) { + while (!ssp_writeable(obj)); + obj->spi->DR = value; +} + +static inline int ssp_read(spi_t *obj) { + while (!ssp_readable(obj)); + return obj->spi->DR; +} + +static inline int ssp_busy(spi_t *obj) { + return (obj->spi->SR & (1 << 4)) ? (1) : (0); +} + +int spi_master_write(spi_t *obj, int value) { + ssp_write(obj, value); + return ssp_read(obj); +} + +int spi_slave_receive(spi_t *obj) { + return (ssp_readable(obj) && !ssp_busy(obj)) ? (1) : (0); +}; + +int spi_slave_read(spi_t *obj) { + return obj->spi->DR; +} + +void spi_slave_write(spi_t *obj, int value) { + while (ssp_writeable(obj) == 0) ; + obj->spi->DR = value; +} + +int spi_busy(spi_t *obj) { + return ssp_busy(obj); +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/us_ticker.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/us_ticker.c new file mode 100644 index 00000000000..32b7f0d66f5 --- /dev/null +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11CXX/us_ticker.c @@ -0,0 +1,62 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include +#include "us_ticker_api.h" +#include "PeripheralNames.h" + +#define US_TICKER_TIMER ((LPC_TMR_TypeDef *)LPC_CT32B1_BASE) +#define US_TICKER_TIMER_IRQn TIMER_32_1_IRQn + +int us_ticker_inited = 0; + +void us_ticker_init(void) { + if (us_ticker_inited) return; + us_ticker_inited = 1; + + LPC_SYSCON->SYSAHBCLKCTRL |= (1<<10); // Clock TIMER_1 + uint32_t PCLK = SystemCoreClock; + + US_TICKER_TIMER->TCR = 0x2; // reset + + uint32_t prescale = PCLK / 1000000; // default to 1MHz (1 us ticks) + US_TICKER_TIMER->PR = prescale - 1; + US_TICKER_TIMER->TCR = 1; // enable = 1, reset = 0 + + NVIC_SetVector(US_TICKER_TIMER_IRQn, (uint32_t)us_ticker_irq_handler); + NVIC_EnableIRQ(US_TICKER_TIMER_IRQn); +} + +uint32_t us_ticker_read() { + if (!us_ticker_inited) + us_ticker_init(); + + return US_TICKER_TIMER->TC; +} + +void us_ticker_set_interrupt(unsigned int timestamp) { + // set match value + US_TICKER_TIMER->MR0 = timestamp; + // enable match interrupt + US_TICKER_TIMER->MCR |= 1; +} + +void us_ticker_disable_interrupt(void) { + US_TICKER_TIMER->MCR &= ~1; +} + +void us_ticker_clear_interrupt(void) { + US_TICKER_TIMER->IR = 1; +} diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11XX/README.md b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11XX/README.md index ea83952ba29..b1e431268e4 100644 --- a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11XX/README.md +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC11XX/README.md @@ -1,3 +1,3 @@ LPC1114 Port -------------- -A port of the MBED SDK to the NXP LPC1114 by Yoshihiro Tsuboi, Toyomasa Watarai, Matthew Else so far... +A port of the MBED SDK to the NXP LPC1114 by Yoshihiro Tsuboi, Toyomasa Watarai and Matthew Else. diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/can_api.c b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/can_api.c index 806fbdae9af..ac316468ddb 100644 --- a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/can_api.c +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/can_api.c @@ -22,6 +22,8 @@ #include #include +#define CAN_NUM 2 + /* Acceptance filter mode in AFMR register */ #define ACCF_OFF 0x01 #define ACCF_BYPASS 0x02 @@ -61,6 +63,9 @@ struct CANMsg { }; typedef struct CANMsg CANMsg; +static uint32_t can_irq_ids[CAN_NUM] = {0}; +static can_irq_handler irq_handler; + static uint32_t can_disable(can_t *obj) { uint32_t sm = obj->dev->MOD; obj->dev->MOD |= 1; @@ -73,6 +78,101 @@ static inline void can_enable(can_t *obj) { } } +int can_mode(can_t *obj, CanMode mode) +{ + return 0; // not implemented +} + +static inline void can_irq(uint32_t icr, uint32_t index) { + uint32_t i; + + for(i = 0; i < 8; i++) + { + if((can_irq_ids[index] != 0) && (icr & (1 << i))) + { + switch (i) { + case 0: irq_handler(can_irq_ids[index], IRQ_RX); break; + case 1: irq_handler(can_irq_ids[index], IRQ_TX); break; + case 2: irq_handler(can_irq_ids[index], IRQ_ERROR); break; + case 3: irq_handler(can_irq_ids[index], IRQ_OVERRUN); break; + case 4: irq_handler(can_irq_ids[index], IRQ_WAKEUP); break; + case 5: irq_handler(can_irq_ids[index], IRQ_PASSIVE); break; + case 6: irq_handler(can_irq_ids[index], IRQ_ARB); break; + case 7: irq_handler(can_irq_ids[index], IRQ_BUS); break; + case 8: irq_handler(can_irq_ids[index], IRQ_READY); break; + } + } + } +} + +// Have to check that the CAN block is active before reading the Interrupt +// Control Register, or the mbed hangs +void can_irq_n() { + uint32_t icr; + + if(LPC_SC->PCONP & (1 << 13)) { + icr = LPC_CAN1->ICR & 0x1FF; + can_irq(icr, 0); + } + + if(LPC_SC->PCONP & (1 << 14)) { + icr = LPC_CAN2->ICR & 0x1FF; + can_irq(icr, 1); + } +} + +// Register CAN object's irq handler +void can_irq_init(can_t *obj, can_irq_handler handler, uint32_t id) { + irq_handler = handler; + can_irq_ids[obj->index] = id; +} + +// Unregister CAN object's irq handler +void can_irq_free(can_t *obj) { + obj->dev->IER &= ~(1); + can_irq_ids[obj->index] = 0; + + if ((can_irq_ids[0] == 0) && (can_irq_ids[1] == 0)) { + NVIC_DisableIRQ(CAN_IRQn); + } +} + +// Clear or set a irq +void can_irq_set(can_t *obj, CanIrqType type, uint32_t enable) { + uint32_t ier; + + switch (type) { + case IRQ_RX: ier = (1 << 0); break; + case IRQ_TX: ier = (1 << 1); break; + case IRQ_ERROR: ier = (1 << 2); break; + case IRQ_OVERRUN: ier = (1 << 3); break; + case IRQ_WAKEUP: ier = (1 << 4); break; + case IRQ_PASSIVE: ier = (1 << 5); break; + case IRQ_ARB: ier = (1 << 6); break; + case IRQ_BUS: ier = (1 << 7); break; + case IRQ_READY: ier = (1 << 8); break; + default: return; + } + + obj->dev->MOD |= 1; + if(enable == 0) { + obj->dev->IER &= ~ier; + } + else { + obj->dev->IER |= ier; + } + obj->dev->MOD &= ~(1); + + // Enable NVIC if at least 1 interrupt is active + if(LPC_CAN1->IER | LPC_CAN2->IER != 0) { + NVIC_SetVector(CAN_IRQn, (uint32_t) &can_irq_n); + NVIC_EnableIRQ(CAN_IRQn); + } + else { + NVIC_DisableIRQ(CAN_IRQn); + } +} + static int can_pclk(can_t *obj) { int value = 0; switch ((int)obj->dev) { @@ -166,7 +266,12 @@ void can_init(can_t *obj, PinName rd, PinName td) { pinmap_pinout(rd, PinMap_CAN_RD); pinmap_pinout(td, PinMap_CAN_TD); - + + switch ((int)obj->dev) { + case CAN_1: obj->index = 0; break; + case CAN_2: obj->index = 1; break; + } + can_reset(obj); obj->dev->IER = 0; // Disable Interrupts can_frequency(obj, 100000); diff --git a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/objects.h b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/objects.h index 41d717adc60..86736c1ecd1 100644 --- a/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/objects.h +++ b/libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC176X/objects.h @@ -59,6 +59,7 @@ struct dac_s { struct can_s { LPC_CAN_TypeDef *dev; + int index; }; struct i2c_s { diff --git a/libraries/tests/mbed/can/main.cpp b/libraries/tests/mbed/can/main.cpp new file mode 100644 index 00000000000..7ed5b71c65c --- /dev/null +++ b/libraries/tests/mbed/can/main.cpp @@ -0,0 +1,40 @@ +#include "mbed.h" + +Ticker ticker; +DigitalOut led1(LED1); +DigitalOut led2(LED2); +CAN can1(p9, p10); +CAN can2(p30, p29); +char counter = 0; + +void printmsg(char *title, CANMessage *msg) { + printf("%s [%03X]", title, msg->id); + for(char i = 0; i < msg->len; i++) { + printf(" %02X", msg->data[i]); + } + printf("\n"); +} + +void send() { + printf("send()\n"); + CANMessage msg = CANMessage(1337, &counter, 1); + if(can1.write(msg)) { + printmsg("Tx message:", &msg); + counter++; + } + led1 = !led1; +} + +int main() { + printf("main()\n"); + ticker.attach(&send, 1); + CANMessage msg; + while(1) { + printf("loop()\n"); + if(can2.read(msg)) { + printmsg("Rx message:", &msg); + led2 = !led2; + } + wait(0.2); + } +} diff --git a/libraries/tests/mbed/can_interrupt/main.cpp b/libraries/tests/mbed/can_interrupt/main.cpp new file mode 100644 index 00000000000..71846e99fea --- /dev/null +++ b/libraries/tests/mbed/can_interrupt/main.cpp @@ -0,0 +1,45 @@ +#include "mbed.h" + +Ticker ticker; +DigitalOut led1(LED1); +DigitalOut led2(LED2); +CAN can1(p9, p10); +CAN can2(p30, p29); +char counter = 0; + +void printmsg(char *title, CANMessage *msg) { + printf("%s [%03X]", title, msg->id); + for(char i = 0; i < msg->len; i++) { + printf(" %02X", msg->data[i]); + } + printf("\n"); +} + +void send() { + printf("send()\n"); + CANMessage msg = CANMessage(1337, &counter, 1); + if(can1.write(msg)) { + printmsg("Tx message:", &msg); + counter++; + } + led1 = !led1; +} + +void read() { + CANMessage msg; + printf("rx()\n"); + if(can2.read(msg)) { + printmsg("Rx message:", &msg); + led2 = !led2; + } +} + +int main() { + printf("main()\n"); + ticker.attach(&send, 1); + can2.attach(&read); + while(1) { + printf("loop()\n"); + wait(1); + } +} diff --git a/workspace_tools/targets.py b/workspace_tools/targets.py index 77a29fc6564..b43e3fc38aa 100644 --- a/workspace_tools/targets.py +++ b/workspace_tools/targets.py @@ -184,6 +184,16 @@ def __init__(self): self.extra_labels = ['NXP', 'LPC11XX'] self.supported_toolchains = ["ARM", "uARM", "GCC_ARM"] + +class LPC11C24(Target): + def __init__(self): + Target.__init__(self) + + self.core = "Cortex-M0" + + self.extra_labels = ['NXP', 'LPC11CXX'] + + self.supported_toolchains = ["ARM", "uARM", "GCC_ARM"] # Get a single instance for each target TARGETS = [ @@ -198,7 +208,8 @@ def __init__(self): STM32F407(), MBED_MCU(), LPC1347(), - LPC1114() + LPC1114(), + LPC11C24() ] # Map each target name to its unique instance diff --git a/workspace_tools/tests.py b/workspace_tools/tests.py index 5ff586f6aec..ea4cd2b96d4 100644 --- a/workspace_tools/tests.py +++ b/workspace_tools/tests.py @@ -369,6 +369,18 @@ "source_dir": join(TEST_DIR, "mbed", "interrupt_chaining", "ticker"), "dependencies": [MBED_LIBRARIES, TEST_MBED_LIB], }, + { + "id": "MBED_30", "description": "CAN network test", + "source_dir": join(TEST_DIR, "mbed", "can"), + "dependencies": [MBED_LIBRARIES], + "mcu": ["LPC1768"] + }, + { + "id": "MBED_31", "description": "CAN network test using interrupts", + "source_dir": join(TEST_DIR, "mbed", "can_interrupt"), + "dependencies": [MBED_LIBRARIES], + "mcu": ["LPC1768"] + }, # CMSIS RTOS tests {