upm/examples/c++/adc121c021.cxx
Mihai Tudor Panu 89d5de43e0 license: update to SPDX style license text throughout
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2020-03-05 15:13:36 -08:00

53 lines
1.1 KiB
C++

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2014 Intel Corporation.
*
* This program and the accompanying materials are made available under the
* terms of the The MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
*/
#include <iostream>
#include <signal.h>
#include "adc121c021.hpp"
#include "upm_utilities.h"
using namespace std;
int shouldRun = true;
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate an ADC121C021 on I2C bus 0
upm::ADC121C021 adc(ADC121C021_I2C_BUS, ADC121C021_DEFAULT_I2C_ADDR);
// An analog sensor, such as a Grove light sensor,
// must be attached to the adc
// Prints the value and corresponding voltage every 50 milliseconds
while (shouldRun) {
uint16_t val = adc.value();
cout << "ADC value: " << val << " Volts = " << adc.valueToVolts(val) << endl;
upm_delay_us(50000);
}
//! [Interesting]
cout << "Exiting..." << endl;
return 0;
}