tsl2591test.cpp

Outputs data from a TSL2591 on stdout.

/*
 * This file is part of the DUDS project. It is subject to the BSD-style
 * license terms in the LICENSE file found in the top-level directory of this
 * distribution and at http://www.somewhere.org/somepath/license.html.
 * No part of DUDS, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 *
 * Copyright (C) 2017  Jeff Jackowski
 */
#include <duds/hardware/devices/instruments/TSL2591.hpp>
#include <duds/hardware/interface/linux/DevI2c.hpp>
#include <iostream>
#include <thread>
#include <iomanip>
#include <assert.h>
#include <boost/exception/diagnostic_information.hpp>

constexpr int valw = 8;
bool quit = false;

void runtest(duds::hardware::devices::instruments::TSL2591 &meter)
try {
    duds::data::Unit chku = duds::data::units::Watt / (
            duds::data::units::Meter * duds::data::units::Meter
        );
    std::cout.precision(6);
    std::uint16_t c0, c1;
    do {
        std::this_thread::sleep_for(std::chrono::seconds(1));
        meter.sample();
        duds::data::Quantity visB = meter.brightness();
        duds::data::Quantity irB = meter.brightnessIr();
        assert(visB.unit == chku);
        assert(irB.unit == chku);
        std::cout << "Visible: " << std::setw(16) << visB.value << "W/m2  " <<
        std::setw(5) << meter.brightnessCount() << " count   IR: " <<
        std::setw(16) << irB.value << "W/m2  " << std::setw(5) <<
        meter.brightnessIrCount() << " count" << std::endl;
    } while (!quit);
} catch (...) {
    std::cerr << "Program failed in runtest(): " <<
    boost::current_exception_diagnostic_information() << std::endl;
}

int main(int argc, char *argv[])
try {
    std::unique_ptr<duds::hardware::interface::I2c> i2c(
        new duds::hardware::interface::linux::DevI2c(
            argc > 1 ? argv[1] : "/dev/i2c-1",
            0x29
        )
    );
    duds::hardware::devices::instruments::TSL2591 meter(i2c);
    int gain = 0;
    int integration = 0;
    /*
    if (argc > 1) {
        gain = argv[1][0] - '0';
    }
    if (argc > 2) {
        integration = argv[2][0] - '0';
    }
    */
    meter.init(gain, integration);
    std::this_thread::sleep_for(std::chrono::milliseconds(2));
    std::thread doit(runtest, std::ref(meter));
    std::cin.get();
    quit = true;
    doit.join();
} catch (...) {
    std::cerr << "Program failed in main(): " <<
    boost::current_exception_diagnostic_information() << std::endl;
    return 1;
}