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RIOT/tests/driver_hts221/main.c
Alexandre Abadie f750c3a474
tests/driver_hts221: cleanup temperature display logic
This saves 12 bytes when building for samr21-xpro
2019-09-03 21:36:26 +02:00

62 lines
1.5 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 HTS221 humidity and temperature sensor driver test application
*
* @author Sebastian Meiling <s@mlng.net>
*
* @}
*/
#include <stdlib.h>
#include <stdio.h>
#include "hts221.h"
#include "hts221_params.h"
#include "xtimer.h"
#define SLEEP_S (2U)
static hts221_t dev;
int main(void)
{
printf("Init HTS221 on I2C_DEV(%i)\n", (int)hts221_params[0].i2c);
if (hts221_init(&dev, &hts221_params[0]) != HTS221_OK) {
puts("[FAILED]");
return 1;
}
if (hts221_power_on(&dev) != HTS221_OK) {
puts("[FAILED] to set power on!");
return 2;
}
if (hts221_set_rate(&dev, dev.p.rate) != HTS221_OK) {
puts("[FAILED] to set continuous mode!");
return 3;
}
while(1) {
uint16_t hum = 0;
int16_t temp = 0;
if (hts221_read_humidity(&dev, &hum) != HTS221_OK) {
puts(" -- failed to read humidity!");
}
if (hts221_read_temperature(&dev, &temp) != HTS221_OK) {
puts(" -- failed to read temperature!");
}
printf("H: %d.%d%%, T: %d.%d°C\n", (hum / 10), (hum % 10),
(temp / 10), abs(temp % 10));
xtimer_sleep(SLEEP_S);
}
return 0;
}