demos/modules/gtimer/main.c


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/*
 * Copyright (c) 2012, 2013, Joel Bodenmann aka Tectu <joel@unormal.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *    * Neither the name of the <organization> nor the
 *      names of its contributors may be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

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

GTimer GT1, GT2;
 
void callback1(void* arg) {
    (void)arg;

    palTogglePad(GPIOD, GPIOD_LED3);
}
 
void callback2(void* arg) {
    (void)arg;

    palSetPad(GPIOD, GPIOD_LED4);
}
 
int main(void) {
    halInit();
    chSysInit();
 
    /* initialize the timers */
    gtimerInit(&GT1);
    gtimerInit(&GT2);
 
    /* continious mode - callback1() called without any argument every 250ms */
    gtimerStart(&GT1, callback1, NULL, TRUE, 250);
 
    /* single shot mode - callback2() called without any argument once after 1s */
    gtimerStart(&GT2, callback2, NULL, FALSE, 1000);

	while(TRUE) {
		chThdSleepMilliseconds(500);
	}

	return 0;
}