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69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/*
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* Copyright (C) 2014 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Test application for the LPS331AP pressure sensor
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#ifndef TEST_LPS331AP_I2C
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#error "TEST_LPS331AP_I2C not defined"
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#endif
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#ifndef TEST_LPS331AP_ADDR
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#error "TEST_LPS331AP_ADDR not defined"
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#endif
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#include <stdio.h>
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#include "vtimer.h"
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#include "lps331ap.h"
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#define RATE LPS331AP_RATE_7HZ
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#define SLEEP (250 * 1000U)
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int main(void)
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{
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lps331ap_t dev;
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int temp, pres;
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int temp_abs, pres_abs;
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puts("LPS331AP pressure sensor test application\n");
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printf("Initializing LPS331AP sensor at I2C_%i... ", TEST_LPS331AP_I2C);
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if (lps331ap_init(&dev, TEST_LPS331AP_I2C, TEST_LPS331AP_ADDR, RATE) == 0) {
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puts("[OK]\n");
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}
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else {
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puts("[Failed]");
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return 1;
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}
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while (1) {
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pres = lps331ap_read_pres(&dev);
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temp = lps331ap_read_temp(&dev);
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pres_abs = pres / 1000;
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pres -= pres_abs * 1000;
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temp_abs = temp / 1000;
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temp -= temp_abs * 1000;
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printf("Pressure value: %2i.%03i bar - Temperature: %2i.%03i °C\n",
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pres_abs, pres, temp_abs, temp);
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vtimer_usleep(SLEEP);
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}
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return 0;
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}
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