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RIOT/tests/buttons/main.c
Francois Berder d45196e28d tests: buttons: Fix build failure if BTN0_PIN is not declared
On some boards, button 0 does not exist so BTN0_PIN is not defined, but
these boards may define other buttons.

Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>
2020-04-03 18:48:13 +01:00

96 lines
2.1 KiB
C

/*
* 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"
#ifndef BTN0_INT_FLANK
#define BTN0_INT_FLANK GPIO_FALLING
#endif
#ifndef BTN1_INT_FLANK
#define BTN1_INT_FLANK GPIO_FALLING
#endif
#ifndef BTN2_INT_FLANK
#define BTN2_INT_FLANK GPIO_FALLING
#endif
#ifndef BTN3_INT_FLANK
#define BTN3_INT_FLANK GPIO_FALLING
#endif
#if defined (BTN0_PIN) || defined (BTN1_PIN) || defined (BTN2_PIN) || defined (BTN3_PIN)
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, BTN0_INT_FLANK, cb, (void *)cnt) < 0) {
puts("[FAILED] init BTN0!");
return 1;
}
++cnt;
#endif
#ifdef BTN1_PIN
if (gpio_init_int(BTN1_PIN, BTN1_MODE, BTN1_INT_FLANK, cb, (void *)cnt) < 0) {
puts("[FAILED] init BTN1!");
return 1;
}
++cnt;
#endif
#ifdef BTN2_PIN
if (gpio_init_int(BTN2_PIN, BTN2_MODE, BTN2_INT_FLANK, cb, (void *)cnt) < 0) {
puts("[FAILED] init BTN2!");
return 1;
}
++cnt;
#endif
#ifdef BTN3_PIN
if (gpio_init_int(BTN3_PIN, BTN3_MODE, BTN3_INT_FLANK, cb, (void *)cnt) < 0) {
puts("[FAILED] init BTN3!");
return 1;
}
++cnt;
#endif
puts("On-board button test\n");
/* cppcheck-suppress knownConditionTrueFalse
* (reason: 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;
}