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https://github.com/RIOT-OS/RIOT.git
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116 lines
3.2 KiB
C
116 lines
3.2 KiB
C
/*
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* Copyright (C) 2016 Kees Bakker, SODAQ
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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 BME280 temperature, pressure
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* and humidity sensor.
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*
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* @author Kees Bakker <kees@sodaq.com>
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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 "bmx280_params.h"
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#include "bmx280.h"
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#include "xtimer.h"
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#define MAINLOOP_DELAY (2 * 1000 * 1000u) /* 2 seconds delay between printf's */
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int main(void)
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{
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bmx280_t dev;
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int result;
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puts("BMX280 test application\n");
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printf("+------------Initializing------------+\n");
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result = bmx280_init(&dev, &bmx280_params[0]);
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if (result == -1) {
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puts("[Error] The given i2c is not enabled");
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return 1;
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}
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if (result == -2) {
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printf("[Error] The sensor did not answer correctly at address 0x%02X\n", bmx280_params[0].i2c_addr);
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return 1;
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}
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printf("Initialization successful\n\n");
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printf("+------------Calibration Data------------+\n");
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printf("dig_T1: %u\n", dev.calibration.dig_T1);
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printf("dig_T2: %i\n", dev.calibration.dig_T2);
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printf("dig_T3: %i\n", dev.calibration.dig_T3);
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printf("dig_P1: %u\n", dev.calibration.dig_P1);
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printf("dig_P2: %i\n", dev.calibration.dig_P2);
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printf("dig_P3: %i\n", dev.calibration.dig_P3);
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printf("dig_P4: %i\n", dev.calibration.dig_P4);
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printf("dig_P5: %i\n", dev.calibration.dig_P5);
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printf("dig_P6: %i\n", dev.calibration.dig_P6);
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printf("dig_P7: %i\n", dev.calibration.dig_P7);
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printf("dig_P8: %i\n", dev.calibration.dig_P8);
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printf("dig_P9: %i\n", dev.calibration.dig_P9);
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#if defined(MODULE_BME280)
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printf("dig_H1: %u\n", dev.calibration.dig_H1);
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printf("dig_H2: %i\n", dev.calibration.dig_H2);
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printf("dig_H3: %i\n", dev.calibration.dig_H3);
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printf("dig_H4: %i\n", dev.calibration.dig_H4);
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printf("dig_H5: %i\n", dev.calibration.dig_H5);
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printf("dig_H6: %i\n", dev.calibration.dig_H6);
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#endif
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printf("\n+--------Starting Measurements--------+\n");
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while (1) {
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int16_t temperature;
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uint32_t pressure;
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#if defined(MODULE_BME280)
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uint16_t humidity;
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#endif
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/* Get temperature in centi degrees Celsius */
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temperature = bmx280_read_temperature(&dev);
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/* Get pressure in Pa */
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pressure = bmx280_read_pressure(&dev);
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#if defined(MODULE_BME280)
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/* Get pressure in %rH */
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humidity = bme280_read_humidity(&dev);
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#endif
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printf("Temperature [°C]: %d.%d\n"
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"Pressure [Pa]: %lu\n"
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#if defined(MODULE_BME280)
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"Humidity [%%rH]: %u.%02u\n"
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#endif
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"\n+-------------------------------------+\n",
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temperature / 100, abs(temperature % 100) / 10,
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#if defined(MODULE_BME280)
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(unsigned long)pressure,
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(unsigned int)(humidity / 100), (unsigned int)(humidity % 100)
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#else
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(unsigned long)pressure
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#endif
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);
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xtimer_usleep(MAINLOOP_DELAY);
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}
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return 0;
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}
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