main.c
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/*
* Copyright (C) 2014 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test application for the PIR motion sensor driver
*
* @author Ludwig Knüpfer <ludwig.knuepfer@fu-berlin.de>
*
* @}
*/
#ifndef PIR_GPIO
#error "PIR_GPIO not defined"
#endif
#include <stdio.h>
#include "thread.h"
#include "xtimer.h"
#include "pir.h"
static char pir_handler_stack[THREAD_STACKSIZE_MAIN];
static pir_t dev;
void* pir_handler(void *arg)
{
(void)arg;
msg_t msg_q[1];
msg_init_queue(msg_q, 1);
printf("Registering PIR handler thread... %s\n",
pir_register_thread(&dev) == 0 ? "[OK]" : "[Failed]");
msg_t m;
while (msg_receive(&m)) {
printf("PIR handler got a message: ");
switch (m.type) {
case PIR_STATUS_HI:
puts("something started moving.");
break;
case PIR_STATUS_LO:
puts("the movement has ceased.");
break;
default:
puts("stray message.");
break;
}
}
puts("PIR handler: this should not have happened!");
return NULL;
}
int main(void)
{
puts("PIR motion sensor test application\n");
printf("Initializing PIR sensor at GPIO_%ld... ", (long)PIR_GPIO);
if (pir_init(&dev, PIR_GPIO) == 0) {
puts("[OK]\n");
}
else {
puts("[Failed]");
return 1;
}
#if TEST_PIR_POLLING
puts("Printing sensor state every second.");
while (1) {
printf("Status: %s\n", pir_get_status(&dev) == PIR_STATUS_LO ? "lo" : "hi");
xtimer_usleep(1000 * 1000);
}
#else
thread_create(
pir_handler_stack, sizeof(pir_handler_stack), THREAD_PRIORITY_MAIN - 1,
THREAD_CREATE_WOUT_YIELD | THREAD_CREATE_STACKTEST,
pir_handler, NULL, "pir_handler");
#endif
return 0;
}