kosmos/source/test/src/main.c

//
// This file is part of the GNU ARM Eclipse distribution.
// Copyright (c) 2014 Liviu Ionescu.
//

#include <stdio.h>
#include <stdlib.h>
#include "diag/Trace.h"

#include "Timer.h"
#include "BlinkLed.h"

// Keep the LED on for 2/3 of a second.
#define BLINK_ON_TICKS  (TIMER_FREQUENCY_HZ * 3 / 4)
#define BLINK_OFF_TICKS (TIMER_FREQUENCY_HZ - BLINK_ON_TICKS)

// Sample pragmas to cope with warnings. Please note the related line at
// the end of this function, used to pop the compiler diagnostics status.
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wmissing-declarations"
#pragma GCC diagnostic ignored "-Wreturn-type"

int main(int argc, char* argv[])
{
	trace_puts("Hello ARM World!");
	trace_printf("System clock: %u Hz\n", SystemCoreClock);
	timer_start();
	blink_led_init();
	uint32_t seconds = 0;
	while(1) {
		blink_led_on();
		timer_sleep(seconds == 0 ? TIMER_FREQUENCY_HZ : BLINK_ON_TICKS);
		blink_led_off();
		timer_sleep(BLINK_OFF_TICKS);
		++seconds;
		trace_printf("Second %u\n", seconds);
	}
}

#pragma GCC diagnostic pop