openpcd/firmware/src/os/trigger.c


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#include <lib_AT91SAM7.h>
#include <os/trigger.h>
#include "../openpcd.h"

void trigger_init(void)
{
	AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER);
}

void trigger_pulse(void)
{
	volatile int i;
	AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER);
	for (i=0; i < 0xff; i++)
		{ }
	AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER);
}