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