EXTI et ChibiOS

main.c

#include "ch.h"
#include "hal.h"

static void extcb1(EXTDriver *extp, expchannel_t channel) {
	chSysLockFromIsr(); 

	palTogglePad(GPIOD, GPIOD_LED4);

	chSysUnlockFromIsr();
}

int main(void) {
	halInit(); // Initialise la HAL
	chSysInit(); // Initialise ChibiOS

	palSetPadMode(GPIOD, GPIOD_LED4, PAL_MODE_OUTPUT_PUSHPULL); // Règle la GPIO LED en output push/pull

	/* Configure EXTI */
	static const EXTConfig extcfg = {
		{
			{EXT_CH_MODE_BOTH_EDGES | EXT_MODE_GPIOA, extcb1}, 
			{EXT_CH_MODE_DISABLED, NULL},
		}, 
	};

	extInit(); // Initialise le driver EXTI
	extStart(&EXTD1, &extcfg); // Règle les registres EXTI
	extChannelEnable(&EXTD1, 0); // Démarre EXTI

	while(1) {}
}