upm/examples/c++/max30100.cxx

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/*
* Author: Noel Eck <noel.eck@intel.com>
* Copyright (c) 2016 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <iostream>
#include <signal.h>
#include "max30100.hpp"
#include "max30100_regs.h"
#include "upm_utilities.h"
using namespace upm;
int shouldRun = true;
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
// Example Callback handler
class mycallback : public Callback
{
public:
virtual void
run(max30100_value samp)
{
std::cout << "My callback sample IR: " << samp.IR << " R: " << samp.R << std::endl;
}
};
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a MAX30100 instance using i2c bus 0
upm::MAX30100 sensor(0);
// Create an instance of the Callback class
mycallback cb;
// Read the temperature and version
std::cout << "Temperature: " << sensor.temperature() << " C" << std::endl;
std::cout << "Version: " << sensor.version() << std::endl;
// Set high-res (50 Hz, 16-bit)
sensor.high_res_enable(true);
// Set to sample SpO2
sensor.mode(MAX30100_MODE_SPO2_EN);
// Read continuously, stepping up the LED current every second,
// us GPIO 0 as the interrupt pin
sensor.sample_continuous(0, false, &cb);
for (int i = MAX30100_LED_CURRENT_0_0_MA; i <= MAX30100_LED_CURRENT_50_0_MA && shouldRun; i++) {
// Toggle the LED current
std::cout << "Setting LED current = " << i << std::endl;
sensor.current((MAX30100_LED_CURRENT) i, (MAX30100_LED_CURRENT) i);
upm_delay(1);
}
// Read individual samples
for (int i = 0; i < 10; i++) {
max30100_value val = sensor.sample();
std::cout << "Single value IR: " << val.IR << " R: " << val.R << std::endl;
}
//! [Interesting]
std::cout << "Exiting..." << std::endl;
return 0;
}