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92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*
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* Copyright (C) 2016 Inria
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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 BMP180 pressure and temperature sensor
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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*
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* @}
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <inttypes.h>
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#include "bmp180.h"
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#include "bmp180_params.h"
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#include "xtimer.h"
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#include "board.h"
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int main(void)
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{
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bmp180_t dev;
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int result;
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puts("BMP180 test application\n");
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printf("+------------Initializing------------+\n");
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result = bmp180_init(&dev, &bmp180_params[0]);
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if (result == -BMP180_ERR_NODEV) {
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puts("[Error] The sensor did not answer correctly on the given address");
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return 1;
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}
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else if (result == -BMP180_ERR_NOCAL) {
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puts("[Error] Cannot read the sensor calibration values");
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return 1;
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}
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else {
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puts("Initialization successful\n");
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}
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printf("+------------Calibration------------+\n");
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printf("AC1: %i\n", dev.calibration.ac1);
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printf("AC2: %i\n", dev.calibration.ac2);
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printf("AC3: %i\n", dev.calibration.ac3);
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printf("AC4: %i\n", dev.calibration.ac4);
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printf("AC5: %i\n", dev.calibration.ac5);
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printf("AC6: %i\n", dev.calibration.ac6);
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printf("B1: %i\n", dev.calibration.b1);
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printf("B2: %i\n", dev.calibration.b2);
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printf("MB: %i\n", dev.calibration.mb);
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printf("MC: %i\n", dev.calibration.mc);
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printf("MD: %i\n", dev.calibration.md);
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printf("\n+--------Starting Measurements--------+\n");
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while (1) {
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/* Get temperature in deci degrees celsius */
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int16_t temperature = bmp180_read_temperature(&dev);
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/* Get pressure in Pa */
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uint32_t pressure = bmp180_read_pressure(&dev);
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/* Get pressure at sealevel in Pa */
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uint32_t pressure_0 = bmp180_sealevel_pressure(&dev, (int16_t)TEST_ALTITUDE);
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/* Get altitude in meters */
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int16_t altitude = bmp180_altitude(&dev, pressure_0);
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printf("Temperature [°C]: %i.%d\n"
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"Pressure [hPa]: %lu.%d\n"
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"Pressure at see level [hPa]: %lu.%d\n"
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"Altitude [m]: %i\n"
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"\n+-------------------------------------+\n",
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(int)(temperature / 10), abs(temperature % 10),
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(unsigned long)pressure / 100, (int)(pressure % 100),
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(unsigned long)pressure_0 / 100, (int)(pressure_0 % 100),
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(int)altitude);
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xtimer_sleep(2);
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}
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return 0;
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}
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