main.c
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/*
* Copyright (C) 2017 HAW Hamburg
*
* 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 for the on-board button macros
*
* @author Sebastian Meiling <s@mlng.net>
*
* @}
*/
#include <stdio.h>
#include <stdint.h>
#include "board.h"
#include "periph/gpio.h"
#include "periph_conf.h"
#define TEST_FLANK GPIO_FALLING
#ifdef BTN0_PIN /* assuming that first button is always BTN0 */
static void cb(void *arg)
{
printf("Pressed BTN%d\n", (int)arg);
}
#endif
int main(void)
{
int cnt = 0;
/* get the number of available buttons and init interrupt handler */
#ifdef BTN0_PIN
if (gpio_init_int(BTN0_PIN, BTN0_MODE, TEST_FLANK, cb, (void *)cnt) < 0) {
puts("[FAILED] init BTN0!");
return 1;
}
++cnt;
#endif
#ifdef BTN1_PIN
if (gpio_init_int(BTN1_PIN, BTN1_MODE, TEST_FLANK, cb, (void *)cnt) < 0) {
puts("[FAILED] init BTN1!");
return 1;
}
++cnt;
#endif
#ifdef BTN2_PIN
if (gpio_init_int(BTN2_PIN, BTN2_MODE, TEST_FLANK, cb, (void *)cnt) < 0) {
puts("[FAILED] init BTN2!");
return 1;
}
++cnt;
#endif
#ifdef BTN3_PIN
if (gpio_init_int(BTN3_PIN, BTN3_MODE, TEST_FLANK, cb, (void *)cnt) < 0) {
puts("[FAILED] init BTN3!");
return 1;
}
++cnt;
#endif
puts("On-board button test\n");
/* cppcheck-suppress knownConditionTrueFalse
* rationale: board-dependent ifdefs */
if (cnt == 0) {
puts("[FAILED] no buttons available!");
return 2;
}
printf(" -- Available buttons: %i\n\n", cnt);
puts(" -- Try pressing buttons to test.\n");
puts("[SUCCESS]");
return 0;
}