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 application for the Grove ledbar
*
* @author Sebastian Meiling <s@mlng.net>
*
* @}
*/
#include <stdio.h>
#include "log.h"
#include "xtimer.h"
#include "grove_ledbar.h"
#include "grove_ledbar_params.h"
#define TEST_RUNS (5U)
#define TEST_STEP (5U)
#define TEST_WAIT (42*US_PER_MS)
int main(void)
{
grove_ledbar_t dev;
/* init display */
puts("[START]");
if (grove_ledbar_init(&dev, &grove_ledbar_params[0]) != 0) {
puts("[FAILED]");
return 1;
}
LOG_INFO(" stepwise increase LED bar to 100%% and then decrease to 0%%.\n\n");
for (unsigned r = 0; r < TEST_RUNS; ++r) {
LOG_INFO(" >>> round %u\n", (r+1));
uint8_t lvl = 0;
while (lvl < GROVE_LEDBAR_MAX - TEST_STEP) {
grove_ledbar_set(&dev, lvl);
lvl += TEST_STEP;
xtimer_usleep(TEST_WAIT);
}
grove_ledbar_set(&dev, GROVE_LEDBAR_MAX);
/* turn all off */
xtimer_usleep(TEST_WAIT);
lvl = GROVE_LEDBAR_MAX;
while (lvl > TEST_STEP) {
grove_ledbar_set(&dev, lvl);
lvl -= TEST_STEP;
xtimer_usleep(TEST_WAIT);
}
/* turn all off */
grove_ledbar_clear(&dev);
}
puts("[SUCCESS]");
return 0;
}