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74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2017 Intel Corporation.
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*
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* The MIT License
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <signal.h>
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#include "upm_utilities.h"
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#include "bmp280.h"
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bool shouldRun = true;
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void sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int main(int argc, char **argv)
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Instantiate a BMP280 instance using default i2c bus and address
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bmp280_context sensor = bmp280_init(BMP280_DEFAULT_I2C_BUS,
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BMP280_DEFAULT_ADDR, -1);
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if (!sensor)
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{
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printf("bmp280_init() failed\n");
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return 1;
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}
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// For SPI, bus 0, you would pass -1 as the address, and a valid pin for CS:
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// bmp280_init(BMP280_DEFAULT_SPI_BUS,
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// -1, 10)
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while (shouldRun)
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{
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// update our values from the sensor
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if (bmp280_update(sensor))
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{
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printf("bmp280_update() failed\n");
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bmp280_close(sensor);
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return 1;
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}
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printf("Compensation Temperature: %f C\n",
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bmp280_get_temperature(sensor));
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printf("Pressure: %f Pa\n", bmp280_get_pressure(sensor));
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printf("Computed Altitude: %f m\n\n", bmp280_get_altitude(sensor));
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upm_delay(1);
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}
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printf("Exiting...\n");
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bmp280_close(sensor);
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//! [Interesting]
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return 0;
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}
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