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63 lines
1.2 KiB
C
63 lines
1.2 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 "vdiv.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 sensor on analog pin A0
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vdiv_context sensor = vdiv_init(0, 5);
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if (!sensor)
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{
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printf("vdiv_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 raw_volts = 0.0, computed_volts = 0.0;
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vdiv_get_raw_volts(sensor, &raw_volts);
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vdiv_get_computed_volts(sensor, &computed_volts);
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printf("Divide SW: %d ADC voltage: %0.03f Sensor voltage: %0.03f\n",
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vdiv_get_divsw(sensor), raw_volts, computed_volts);
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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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vdiv_close(sensor);
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return 0;
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}
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