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76 lines
1.7 KiB
C
76 lines
1.7 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 "bmpx8x.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 BMPX8X instance using default i2c bus and address
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bmpx8x_context sensor = bmpx8x_init(BMPX8X_DEFAULT_I2C_BUS,
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BMPX8X_DEFAULT_I2C_ADDR);
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if (!sensor)
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{
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printf("bmpx8x_init() failed.\n");
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return 1;
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}
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// Print the pressure, altitude, sea level, and
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// temperature values every 0.5 seconds
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while (shouldRun)
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{
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if (bmpx8x_update(sensor))
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{
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printf("bmpx8x_update() failed\n");
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bmpx8x_close(sensor);
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return 1;
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}
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// assume sea level pressure is 101325 Pa.
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float altitude = bmpx8x_get_altitude(sensor, 101325);
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int sealevel = bmpx8x_get_sealevel_pressure(sensor, altitude);
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printf("Pressure: %d Pa, Temperature: %f C, "
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"Altitude %f m, Sea level %d Pa\n",
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bmpx8x_get_pressure(sensor),
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bmpx8x_get_temperature(sensor),
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altitude,
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sealevel);
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upm_delay_ms(500);
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}
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printf("Exiting...\n");
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bmpx8x_close(sensor);
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//! [Interesting]
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return 0;
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}
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