Examples stuff: fix examples/rules, extend rules and add f7 examples #193
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| Original file line number | Diff line number | Diff line change |
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@@ -90,7 +90,7 @@ int main(void) | |
| int i; | ||
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| gpio_setup(); | ||
| i2c0_init(15); | ||
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| gpio_set(PORT_EN1V8, PIN_EN1V8); /* 1V8 on */ | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,44 @@ | ||
| ## | ||
| ## This file is part of the libopencm3 project. | ||
| ## | ||
| ## This library is free software: you can redistribute it and/or modify | ||
| ## it under the terms of the GNU Lesser General Public License as published by | ||
| ## the Free Software Foundation, either version 3 of the License, or | ||
| ## (at your option) any later version. | ||
| ## | ||
| ## This library is distributed in the hope that it will be useful, | ||
| ## but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| ## GNU Lesser General Public License for more details. | ||
| ## | ||
| ## You should have received a copy of the GNU Lesser General Public License | ||
| ## along with this library. If not, see <http://www.gnu.org/licenses/>. | ||
| ## | ||
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| # You should use linker script generation! Specify device! | ||
| ifeq ($(DEVICE),) | ||
| LIBNAME = opencm3_stm32f7 | ||
| DEFS += -DSTM32F7 | ||
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| FP_FLAGS ?= -mfloat-abi=hard -mfpu=fpv5-sp-d16 | ||
| ARCH_FLAGS = -mthumb -mcpu=cortex-m7 $(FP_FLAGS) | ||
| endif | ||
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| ################################################################################ | ||
| # OpenOCD specific variables | ||
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| OOCD ?= openocd | ||
| OOCD_INTERFACE ?= stlink-v2-1 | ||
| OOCD_TARGET ?= stm32f7x | ||
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| ################################################################################ | ||
| # Black Magic Probe specific variables | ||
| # Set the BMP_PORT to a serial port and then BMP is used for flashing | ||
| BMP_PORT ?= | ||
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| ################################################################################ | ||
| # texane/stlink specific variables | ||
| #STLINK_PORT ?= :4242 | ||
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| include ../../../../rules.mk |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,9 @@ | ||
| OBJS = clock.o | ||
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| BINARY = application | ||
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| CFLAGS = -O3 | ||
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| DEVICE = stm32f769nih6 | ||
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| include ../../Makefile.include |
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| Original file line number | Diff line number | Diff line change |
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| # README | ||
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| Demo of gpio and exti. | ||
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| This simple program uses the LEDs LD1-3 to show a grey-counter. | ||
| By pressing the blue button, all the LEDs light up. On release, the counter restarts from 0. |
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| /* | ||
| * This file is part of the libopencm3 project. | ||
| * | ||
| * This library is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This library is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with this library. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
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| #include <libopencm3/cm3/nvic.h> | ||
| #include <libopencm3/stm32/rcc.h> | ||
| #include <libopencm3/stm32/gpio.h> | ||
| #include <libopencm3/stm32/exti.h> | ||
| #include "clock.h" | ||
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| /** | ||
| * Function definitions | ||
| */ | ||
| static void pin_setup(void); | ||
| static void update_led_counter(void); | ||
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| /** | ||
| * Setup functions | ||
| */ | ||
| #define LED_LD1 GPIOJ,GPIO13 | ||
| #define LED_LD2 GPIOJ,GPIO5 | ||
| #define LED_LD3 GPIOA,GPIO12 | ||
| #define BUTTON_BLUE GPIOA,GPIO0 | ||
| #define BUTTON_BLUE_PRESSED() gpio_get(BUTTON_BLUE) | ||
| void pin_setup() | ||
| { | ||
| /* pin-clocks */ | ||
| rcc_periph_clock_enable(RCC_GPIOA); | ||
| rcc_periph_clock_enable(RCC_GPIOJ); | ||
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| /* pins */ | ||
| /* outputs (LEDs 1-3) */ | ||
| gpio_mode_setup(GPIOJ, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO5 | GPIO13); | ||
| gpio_set_output_options(GPIOJ, GPIO_OTYPE_PP, GPIO_OSPEED_25MHZ, GPIO5 | GPIO13); | ||
| gpio_mode_setup(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO12); | ||
| gpio_set_output_options(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_25MHZ, GPIO12); | ||
| /* inputs (blue button) */ | ||
| gpio_mode_setup(GPIOA, GPIO_MODE_INPUT, GPIO_PUPD_NONE, GPIO0); | ||
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| /* setup blue/user button */ | ||
| exti_select_source(EXTI0, GPIOA); | ||
| exti_set_trigger(EXTI0, EXTI_TRIGGER_BOTH); | ||
| exti_enable_request(EXTI0); | ||
| nvic_enable_irq(NVIC_EXTI0_IRQ); | ||
| } | ||
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| /** | ||
| * Interrupts | ||
| */ | ||
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| /* Blue button interrupt (EXTI makes not too much sense here :)) */ | ||
| static bool blue_button_state_changed = false; | ||
| void exti0_isr() | ||
| { | ||
| exti_reset_request(EXTI0); | ||
| blue_button_state_changed = true; | ||
| update_led_counter(); | ||
| } | ||
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| /** | ||
| * Functions | ||
| */ | ||
| void update_led_counter() | ||
| { | ||
| /* little grey code blinker */ | ||
| static const uint32_t gcl[] = {0,1,3,2,6,7,5,4}; | ||
| static const uint32_t *gc = gcl; | ||
| static const uint32_t *gcle = gcl+sizeof(gcl)/sizeof(gcl[0])-1; | ||
| if (blue_button_state_changed) { | ||
| blue_button_state_changed = false; | ||
| gc = gcl; | ||
| } | ||
| if (BUTTON_BLUE_PRESSED()) { | ||
| gpio_set(LED_LD1); | ||
| gpio_set(LED_LD2); | ||
| gpio_set(LED_LD3); | ||
| } else { | ||
| if (*gc&0b001) gpio_set(LED_LD1); | ||
| else gpio_clear(LED_LD1); | ||
| if (*gc&0b010) gpio_set(LED_LD2); | ||
| else gpio_clear(LED_LD2); | ||
| if (*gc&0b100) gpio_set(LED_LD3); | ||
| else gpio_clear(LED_LD3); | ||
| if (gc==gcle) gc = gcl; | ||
| else gc++; | ||
| } | ||
| } | ||
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| /** | ||
| * Main loop | ||
| */ | ||
| int main(void) | ||
| { | ||
| /* init timers. */ | ||
| clock_setup(); | ||
| /* setup pins */ | ||
| pin_setup(); | ||
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| while (1) { | ||
| msleep(1000); | ||
| update_led_counter(); | ||
| } | ||
| } | ||
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definitely not interested in this one. I've had enough rpoblems with people trying to pick and choose things, and reportings bugs when all they really needed to do was just run "make" once in the top and everythign would have been fine. This relies far too much on knowledge of the build system and file structure within the library, which should be treated as a simple .a dependency. It's a submodule for exactly that reason, just build it once, move on.