67 lines
1.4 KiB
C++
67 lines
1.4 KiB
C++
/*
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Provided to you by Emlid Ltd (c) 2014.
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twitter.com/emlidtech || www.emlid.com || info@emlid.com
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Example: Get pressure from MS5611 barometer onboard of Navio shield for Raspberry Pi
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using a different thread, to update pressure info in the background
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To run this example navigate to the directory containing it and run following commands:
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make
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sudo ./threaded_baro
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*/
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#include "darkwater/MS5611.h"
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#include "darkwater/Util.h"
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#include <unistd.h>
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#include <stdio.h>
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#include <pthread.h>
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void * acquireBarometerData(void * barom)
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{
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MS5611* barometer = (MS5611*)barom;
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while (true) {
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barometer->refreshPressure();
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usleep(10000); // Waiting for pressure data ready
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barometer->readPressure();
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barometer->refreshTemperature();
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usleep(10000); // Waiting for temperature data ready
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barometer->readTemperature();
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barometer->calculatePressureAndTemperature();
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//sleep(0.5);
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}
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pthread_exit(NULL);
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}
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int main()
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{
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if (check_apm()) {
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return 1;
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}
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MS5611 baro;
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baro.initialize();
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pthread_t baro_thread;
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if(pthread_create(&baro_thread, NULL, acquireBarometerData, (void *)&baro))
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{
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printf("Error: Failed to create barometer thread\n");
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return 0;
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}
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while(true)
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{
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printf("Temperature(C): %f Pressure(millibar): %f\n", baro.getTemperature(), baro.getPressure());
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sleep(1);
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}
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pthread_exit(NULL);
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return 1;
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}
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