quickstart.c

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

int main(void) {
	halInit(); // Initializes ChibiOS/RT's Hardware Abstraction Layer (HAL)
	chSysInit(); // Initializes ChibiOS/RT kernel

	// Configures GPIOD pin 15 as output (the blue LED on the board)
	palSetPadMode(GPIOD, 15, PAL_MODE_OUTPUT_PUSHPULL);

	// Main loop, simply blinks the blue led we configured before
	while(1) {
		palSetPad(GPIOD, 15); // Sets GPIOD 15 high
		chThdSleepMilliseconds(500); // Sleep for 500ms
		palClearPad(GPIOD, 15); // Sets GPIOD 15 low
		chThdSleepMilliseconds(500); // Sleeps for 500ms
	}
}