main.c
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/*
* Copyright (C) 2014 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 MPL3115A2 sensor driver.
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Johann Fischer <j.fischer@phytec.de>
*
* @}
*/
#include <stdio.h>
#include <stdlib.h>
#include "xtimer.h"
#include "mpl3115a2.h"
#include "mpl3115a2_params.h"
#define SLEEP (1UL * US_PER_SEC)
static mpl3115a2_t dev;
int main(void)
{
puts("MPL3115A2 pressure sensor driver test application\n");
printf("Initializing MPL3115A2 sensor at I2C_%i... ", mpl3115a2_params[0].i2c);
if (mpl3115a2_init(&dev, &mpl3115a2_params[0]) != MPL3115A2_OK) {
puts("[FAILED] init device!");
return 1;
}
if (mpl3115a2_set_active(&dev) != MPL3115A2_OK) {
puts("[FAILED] activate measurement!");
return 2;
}
puts("[SUCCESS]");
while (1) {
uint32_t pressure;
int16_t temp;
uint8_t status;
xtimer_usleep(SLEEP);
if ((mpl3115a2_read_pressure(&dev, &pressure, &status) |
mpl3115a2_read_temp(&dev, &temp)) != MPL3115A2_OK) {
puts("[FAILED] read values!");
}
else {
printf("Pressure: %u Pa, Temperature: %3d.%d C, State: %#02x\n",
(unsigned int)pressure, temp/10, abs(temp%10), status);
}
}
return 0;
}