chibiosでLチカの練習

グリーン、イエロー、レッドの順に点滅。

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

# define CONSOLE_WA_SIZE		 	THD_WORKING_AREA_SIZE(4096)
# define cputs(msg) 				chMsgSend(cdtp, (msg_t) msg)
static thread_t * cdtp;
static THD_FUNCTION(console_thread, arg)
{
	(void) arg;
	while (!chThdShouldTerminateX())
	{
		thread_t * tp = chMsgWait();
		puts((char *) chMsgGet(tp));
		fflush(stdout);
		chMsgRelease(tp, MSG_OK);
	}
}
int main(void)
{
	halInit();
	chSysInit();
	cdtp = chThdCreateFromHeap(NULL, CONSOLE_WA_SIZE, NORMALPRIO, console_thread, NULL);
	while (!chThdShouldTerminateX())
	{
		cputs("green on");
		chThdSleepMilliseconds(500);
		cputs("green off");
		cputs("yellow on");
		chThdSleepMilliseconds(500);
		cputs("yellow off");
		cputs("red on");
		chThdSleepMilliseconds(500);
		cputs("red off");
	}
	return 0;
}