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54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 Intel Corporation.
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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 <ppd42ns.h>
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int 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()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Instantiate a dust sensor on GPIO pin D8
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ppd42ns_context dust = ppd42ns_init(8);
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ppd42ns_dust_data data;
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printf("This program will give readings every 30 seconds until "
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"you stop it\n");
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while (shouldRun)
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{
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data = ppd42ns_get_data(dust);
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printf("Low pulse occupancy: %d\n", data.lowPulseOccupancy);
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printf("Ratio: %f\n", data.ratio);
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printf("Concentration: %f\n\n", data.concentration);
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}
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printf("Exiting...\n");
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ppd42ns_close(dust);
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//! [Interesting]
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return 0;
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}
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