RIOT port for the MKW22D512 SiP and Phytec PBA-D-01 PhyWave Evaluations-Board

boards/pba-d-01-kw2x/Makefile

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+# tell the Makefile.base which module to build
+MODULE = $(BOARD)_base
+
+include $(RIOTBASE)/Makefile.base

boards/pba-d-01-kw2x/Makefile.features

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+FEATURES_PROVIDED += periph_gpio
+FEATURES_PROVIDED += periph_uart
+FEATURES_PROVIDED += periph_spi
+FEATURES_PROVIDED += periph_i2c
+FEATURES_PROVIDED += periph_pwm
+FEATURES_PROVIDED += periph_adc
+FEATURES_PROVIDED += periph_rtt
+FEATURES_PROVIDED += periph_rtc
+FEATURES_PROVIDED += periph_random
+FEATURES_PROVIDED += periph_cpuid

boards/pba-d-01-kw2x/Makefile.include

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+# define the cpu used by the phyWAVE-KW22 board
+export CPU = kw2x
+export CPU_MODEL = kw21d256
+#export CPU_MODEL = kw21d512
+#export CPU_MODEL = kw22d512
+
+#define the default port depending on the host OS
+OS := $(shell uname)
+ifeq ($(OS),Linux)
+  PORT ?= /dev/ttyACM0
+else ifeq ($(OS),Darwin)
+  PORT ?= $(shell ls -1 /dev/tty.SLAB_USBtoUART* | head -n 1)
+else
+  $(info CAUTION: No flash tool for your host system found!)
+endif
+export PORT
+
+# define tools used for building the project
+export PREFIX = arm-none-eabi-
+export CC = $(PREFIX)gcc
+export AR = $(PREFIX)ar
+export AS = $(PREFIX)as
+export LINK = $(PREFIX)gcc
+export SIZE = $(PREFIX)size
+export OBJCOPY = $(PREFIX)objcopy
+export TERMPROG = $(RIOTBASE)/dist/tools/pyterm/pyterm
+export FLASHER = $(RIOTBOARD)/$(BOARD)/dist/flash.sh
+export DEBUGGER = $(RIOTBOARD)/$(BOARD)/dist/debug.sh
+export RESET = $(RIOTBOARD)/$(BOARD)/dist/reset.sh
+export DEBUGSERVER = openocd
+
+# define build specific options
+CPU_USAGE = -mcpu=cortex-m4
+FPU_USAGE =
+export CFLAGS += -ggdb -g3 -std=gnu99 -Os -Wall -Wstrict-prototypes $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -mthumb -mthumb-interwork -nostartfiles
+export CFLAGS += -ffunction-sections -fdata-sections -fno-builtin
+export ASFLAGS += -ggdb -g3 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian
+export LINKFLAGS += -g3 -ggdb -std=gnu99 $(CPU_USAGE) $(FPU_USAGE) -mlittle-endian -static -lgcc -mthumb -mthumb-interwork -nostartfiles
+export LINKFLAGS += -T$(LINKERSCRIPT)
+export OFLAGS = -O binary
+export FFLAGS = $(HEXFILE)
+export DEBUGGER_FLAGS = $(RIOTBOARD)/$(BOARD)/dist/gdb.conf $(ELFFILE)
+export TERMFLAGS = -p $(PORT)
+
+# use newLib nano-specs if available
+ifeq ($(shell $(LINK) -specs=nano.specs -E - 2>/dev/null >/dev/null </dev/null ; echo $$?),0)
+export LINKFLAGS += -specs=nano.specs -lc -lnosys
+endif
+
+# export board specific includes to the global includes-listing
+export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include

boards/pba-d-01-kw2x/board.c

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+/*
+ * Copyright (C) 2014 Freie Universität Berlin
+ * Copyright (C) 2014 PHYTEC Messtechnik GmbH
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License v2.1. See the file LICENSE in the top level directory for more
+ * details.
+ */
+
+/**
+ * @ingroup     board_pba-d-01
+ * @{
+ *
+ * @file
+ * @brief       Board specific implementations for the Phytec PBA-D-01
+ *              evaluation board for PWA-A-002 Module
+ *
+ * @author      Johann Fischer <[email protected]>
+ *
+ * @}
+ */
+
+#include "board.h"
+
+static void leds_init(void);
+
+void board_init(void)
+{
+    leds_init();
+    cpu_init();
+}
+
+/**
+ * @brief Initialize the boards on-board RGB-LED
+ *
+ */
+static void leds_init(void)
+{
+    /* enable clock */
+    LED_B_PORT_CLKEN();
+    LED_G_PORT_CLKEN();
+    LED_R_PORT_CLKEN();
+    /* configure pins as gpio */
+    LED_B_PORT->PCR[LED_B_PIN] = PORT_PCR_MUX(1);
+    LED_G_PORT->PCR[LED_G_PIN] = PORT_PCR_MUX(1);
+    LED_R_PORT->PCR[LED_R_PIN] = PORT_PCR_MUX(1);
+    LED_B_GPIO->PDDR |= (1 << LED_B_PIN);
+    LED_G_GPIO->PDDR |= (1 << LED_G_PIN);
+    LED_R_GPIO->PDDR |= (1 << LED_R_PIN);
+    /* turn all LEDs off */
+    LED_B_GPIO->PSOR |= (1 << LED_B_PIN);
+    LED_G_GPIO->PSOR |= (1 << LED_G_PIN);
+    LED_R_GPIO->PSOR |= (1 << LED_R_PIN);
+}

boards/pba-d-01-kw2x/dist/debug.sh

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+#!/bin/bash
+
+# Based on iot-lab_M3 debug.sh script.
+# Author: Jonas Remmert [email protected]
+
+red='\033[0;31m'
+green='\033[0;32m'
+NC='\033[0m'
+
+openocd -f "$RIOTBASE/boards/pba-d-01-kw2x/dist/mkw22d512.cfg" \ #"${RIOTBOARD}/${BOARD}/dist/mkw22d512.cfg" \
+    -c "tcl_port 6333" \
+    -c "telnet_port 4444" \
+    -c "init" \
+    -c "targets" \
+    -c "reset halt" \
+    -l /dev/null &
+
+# save pid to terminate afterwards
+OCD_PID=$?
+
+# needed for openocd to set up
+sleep 1
+
+retval=$(arm-none-eabi-readelf -x .fcfield $2  | awk '/0x00000400/ {print $2 $3 $4 $5}')
+unlocked_fcfield="fffffffffffffffffffffffffeffffff"
+
+if [ "$retval" == "$unlocked_fcfield" ]; then
+echo -e "Flash configuration tested...${green} [OK]${NC}"
+arm-none-eabi-gdb -tui --command=${1} ${2}
+#cgdb -d arm-none-eabi-gdb --command=${1} ${2}
+
+else
+echo "Hexdump, .fcfield of $2"
+retval=$(arm-none-eabi-readelf -x .fcfield $2)
+echo $retval
+echo -e "Fcfield not fitting to MKW22Dxxx, danger of bricking the device during flash...${red} [ABORT]${NC}"
+fi
+kill ${OCD_PID}

boards/pba-d-01-kw2x/dist/flash.sh

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+#!/bin/bash
+
+# Based on iot-lab_M3 debug.sh script.
+# Author: Jonas Remmert [email protected]
+
+elffile=`echo $1 | sed 's/.hex/.elf/'`
+
+red='\033[0;31m'
+green='\033[0;32m'
+NC='\033[0m'
+
+echo The file: $elffile will be flashed to the board: $BOARD .
+#echo Press y to proceed, v to proceed with verify or any other key to abort.
+#read x
+
+retval=$(arm-none-eabi-readelf -x .fcfield $elffile  | awk '/0x00000400/ {print $2 $3 $4 $5}')
+unlocked_fcfield="fffffffffffffffffffffffffeffffff"
+
+if [ "$retval" != "$unlocked_fcfield" ]; then
+echo "Hexdump, .fcfield of $elffile"
+retval=$(arm-none-eabi-readelf -x .fcfield $elffile)
+echo $retval
+echo -e "Fcfield not fitting to MKW2xDxxx, danger of bricking the device during flash...${red} [ABORT]${NC}"
+exit 0
+fi
+echo -e "Flash configuration tested...${green} [OK]${NC}"
+
+
+# flash without verify
+#if [ $x = "y" ] || [ $x = "v" ];# -o $x -eq v ];
+#then
+echo -e "${red}Flashing device, do not disconnect or reset the target until this script exits!!!${NC}"
+openocd -f "$RIOTBASE/boards/pba-d-01-kw2x/dist/mkw22d512.cfg" \
+        -c "init" \
+        -c "reset halt" \
+        -c "flash write_image erase $elffile" \
+        -c "reset run" \
+        -c "exit"
+#fi
+
+# verify
+#if [ "$x" = "v" ];
+#then
+#echo -e "${red}Flashing device, do not disconnect or reset the target until this script exits!!!${NC}"
+#openocd -f "$RIOTBASE/boards/pba-d-01-kw2x/dist/mkw22d512.cfg" \
+#        -c "init" \
+#        -c "reset halt" \
+#        -c "verify_image $elffile" \
+#        -c "reset run" \
+#        -c "exit"
+#fi
+echo -e "${green}done...${NC}"

boards/pba-d-01-kw2x/dist/gdb.conf

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+target remote localhost:3333
+monitor reset halt
+set print pretty
+set arm force-mode thumb

boards/pba-d-01-kw2x/dist/mkw22d512.cfg

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+#
+# Freescale Kinetis kw2xdxxx devices
+#
+source [find interface/cmsis-dap.cfg]
+
+#
+# K21 devices support both JTAG and SWD transports.
+#
+source [find target/swj-dp.tcl]
+
+if { [info exists CHIPNAME] } {
+    set _CHIPNAME $CHIPNAME
+} else {
+    set _CHIPNAME kw22d512
+}
+
+# Work-area is a space in RAM used for flash programming
+set WORKAREASIZE 0x4000
+
+if { [info exists WORKAREASIZE] } {
+   set _WORKAREASIZE $WORKAREASIZE
+} else {
+   set _WORKAREASIZE 0x1000
+}
+
+if { [info exists ENDIAN] } {
+    set _ENDIAN $ENDIAN
+} else {
+    set _ENDIAN little
+}
+
+if { [info exists CPUTAPID] } {
+    set _CPUTAPID $CPUTAPID
+} else {
+    set _CPUTAPID 0x2ba01477
+}
+
+set _TARGETNAME $_CHIPNAME.cpu
+
+swj_newdap $_CHIPNAME cpu -irlen 4 -expected-id $_CPUTAPID
+#swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+target create $_TARGETNAME cortex_m -chain-position $_CHIPNAME.cpu
+
+$_CHIPNAME.cpu configure -event examine-start { puts "START..." ; }
+
+# It is important that "kinetis mdm check_security" is called for
+# 'examine-end' event and not 'eximine-start'. Calling it in 'examine-start'
+# causes "kinetis mdm check_security" to fail the first time openocd
+# calls it when it tries to connect after the CPU has been power-cycled.
+$_CHIPNAME.cpu configure -event examine-end {
+	kinetis mdm check_security
+}
+
+$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
+
+set _FLASHNAME $_CHIPNAME.flash
+flash bank $_FLASHNAME kinetis 0 0 0 0 $_TARGETNAME
+
+#reset_config srst_only srst_nogate connect_assert_srst
+adapter_khz 1000
+
+if {![using_hla]} {
+   # if srst is not fitted use SYSRESETREQ to
+   # perform a soft reset
+   cortex_m reset_config sysresetreq
+}
+
+$_TARGETNAME configure -event reset-init {
+    adapter_khz 24000
+}

boards/pba-d-01-kw2x/dist/pll_freq.m

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+1;
+# not a function file:
+
+F = [2405:5:2480];
+i = 1;
+PLL_INT0 = [];
+PLL_FRAC0 = [];
+tmp_frac = 0;
+tmp_int = 11;
+
+while (i <= length(F))
+	tmp_frac = (F(i)./32 - tmp_int - 64).*65536;
+	if tmp_frac >= 65536
+		tmp_int++;
+	else
+		PLL_FRAC0 = [PLL_FRAC0 tmp_frac];
+		PLL_INT0 = [PLL_INT0 tmp_int];
+		i++;
+	endif
+endwhile
+
+%F
+%Fcalc = ((PLL_INT0 + 64) + (PLL_FRAC0./65536)).*32
+%PLL_INT0
+%PLL_FRAC0
+
+printf("static const uint8_t pll_int_lt[%d] = {\n", length(F));
+for i = 1:4:length(F)
+	printf("    ");
+	printf("%d,", PLL_INT0(i:1:i+3));
+	printf("\n");
+endfor
+printf("};\n");
+printf("\n");
+printf("static const uint16_t pll_frac_lt[%d] = {\n", length(F));
+for i = 1:4:length(F)
+	printf("    ");
+	printf("%d,", PLL_FRAC0(i:1:i+3));
+	printf("\n");
+endfor
+printf("};\n\n");
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+POWER_MAX=8;
+POWER_MIN=-35;
+RANGE_MAX=31;
+RANGE_MIN=3;
+
+i = [0:1:abs(diff([POWER_MAX POWER_MIN]))];
+pow_lt = round(i .* (RANGE_MAX - RANGE_MIN) ./ length(i) + RANGE_MIN);
+
+printf("static const uint8_t pow_lt[%d] = {", length(pow_lt));
+printf("    ");
+for i = 0:1:length(pow_lt)-1
+	if (rem(i,4) == 0)
+		printf("\n    ");
+	endif
+	printf("%d,", pow_lt(i+1));
+endfor
+printf("\n};\n\n");
+
+i = [0:1:abs(diff([RANGE_MAX RANGE_MIN]))];
+level_lt = round(i .* (POWER_MAX - POWER_MIN) ./ length(i) + POWER_MIN);
+length(level_lt)
+
+printf("static const int level_lt[%d] = {", length(level_lt));
+for i = 0:1:length(level_lt)-1
+	if (rem(i,4) == 0)
+		printf("\n    ");
+	endif
+	printf("%d,", level_lt(i+1));
+endfor
+printf("\n};\n\n");

boards/pba-d-01-kw2x/dist/reset.sh

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+#!/bin/bash
+
+openocd -f "$RIOTBASE/boards/pba-d-01-kw2x/dist/mkw22d512.cfg" \
+    -c "init" \
+    -c "reset run" \
+    -c "shutdown"