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63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
/*
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* Author: Noel Eck <noel.eck@intel.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 <signal.h>
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#include "dfrph.h"
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#include "upm_utilities.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()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Instantiate a dfrph sensor on analog pin A0
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dfrph_context sensor = dfrph_init(0);
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if (!sensor)
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{
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printf("dfrph_init() failed.\n");
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return(1);
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}
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// Every half a second, sample the sensor output
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while (shouldRun)
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{
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float volts = 0.0, pH = 0.0;
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dfrph_get_raw_volts(sensor, &volts);
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dfrph_get_ph(sensor, &pH);
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printf("Detected volts: %0.03f\n", volts);
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printf("pH value: %0.03f\n", pH);
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upm_delay_ms(500);
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}
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//! [Interesting]
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printf("Exiting\n");
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dfrph_close(sensor);
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return 0;
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}
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