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RIOT/tests/drivers/bh1900nux/main.c

54 lines
1.2 KiB
C

/*
* Copyright (C) 2020 Nalys
*
* 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 BH1900NUX Temperature sensor
*
* @author Wouter Symons <wsymons@nalys-group.com>
*
* @}
*/
#include <stdio.h>
#include "xtimer.h"
#include "bh1900nux.h"
#include "bh1900nux_params.h"
#define RATE (200LU * US_PER_MS) /* 200ms */
int main(void)
{
int res = 0;
int16_t temp = 0;
bh1900nux_t dev;
xtimer_ticks32_t last = xtimer_now();
puts("bh1900nux temperature sensor test\n");
/* initialize the device */
res = bh1900nux_init(&dev, &bh1900nux_params[0]);
if (res != BH1900NUX_OK) {
puts("error: unable to initialize sensor [I2C initialization error]");
return 1;
}
/* periodically read the sensor */
while (1) {
bh1900nux_read(&dev, &temp);
printf("temperature: %d.%d deg. C\n", (int)temp / 1000, temp % 1000);
xtimer_periodic_wakeup(&last, RATE);
}
return 0;
}