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65 lines
1.3 KiB
C
65 lines
1.3 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 <signal.h>
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#include "dfrec.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 DFRobot EC sensor on analog pin A0, with a ds18b20
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// temperature sensor connected to UART 0, and a device index (for
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// the ds1820b uart bus) of 0, and an analog reference voltage of
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// 5.0.
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dfrec_context sensor = dfrec_init(0, 0, 0, 5.0);
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if (!sensor)
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{
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printf("dfrec_init() failed.\n");
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return(1);
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}
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// Every 2 seconds, update and print values
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while (shouldRun)
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{
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dfrec_update(sensor);
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printf("EC = %f ms/cm\n", dfrec_get_ec(sensor));
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printf("Volts = %f, Temperature = %f C\n",
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dfrec_get_volts(sensor), dfrec_get_temperature(sensor));
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printf("\n");
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upm_delay(2);
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}
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//! [Interesting]
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printf("Exiting...\n");
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dfrec_close(sensor);
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return 0;
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}
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