main.c
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/*
* Copyright (C) 2014-2017 Freie Universität Berlin
* Copyright (C) 2014 PHYTEC Messtechnik GmbH
*
* 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 HDC1000 sensor driver
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Johann Fischer <j.fischer@phytec.de>
*
* @}
*/
#include <stdio.h>
#include "fmt.h"
#include "xtimer.h"
#include "hdc1000.h"
#include "hdc1000_params.h"
#define SLEEP (1000 * 1000U)
int main(void)
{
hdc1000_t dev;
int16_t temp, hum;
char tstr[8];
char hstr[8];
puts("HDC1000 Temperature and Humidity Sensor driver test application\n");
printf("Initializing HDC1000 sensor at I2C_DEV(%i)... ",
(int)hdc1000_params[0].i2c);
if (hdc1000_init(&dev, &hdc1000_params[0]) == HDC1000_OK) {
puts("[OK]\n");
}
else {
puts("[Failed]");
return 1;
}
while (1) {
size_t len;
hdc1000_read(&dev, &temp, &hum);
len = fmt_s16_dfp(tstr, temp, 2);
tstr[len] = '\0';
len = fmt_s16_dfp(hstr, hum, 2);
hstr[len] = '\0';
printf("Reading: T: %s °C RH: %s %%\n", tstr, hstr);
xtimer_usleep(SLEEP);
}
return 0;
}