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/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015 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 <unistd.h>
#include <signal.h>
#include <iostream>
#include "pca9685.h"
using namespace std;
int main(int argc, char **argv)
{
//! [Interesting]
// Instantiate an PCA9685 on I2C bus 0
upm::PCA9685 *leds = new upm::PCA9685(PCA9685_I2C_BUS,
PCA9685_DEFAULT_I2C_ADDR);
// put device to sleep
leds->setModeSleep(true);
// setup a period of 50Hz
leds->setPrescaleFromHz(50);
// wake device up
leds->setModeSleep(false);
// Setup a 50% duty cycle -- on time at 0, off time at 2048 (4096 / 2)
// Set for all channels
leds->ledOnTime(PCA9685_ALL_LED, 0);
leds->ledOffTime(PCA9685_ALL_LED, 2048);
// but, turn channel 3 full off and channel 4 full on
cout << "Turning channel 3 off, and channel 4 on." << endl;
cout << "All other channels will be PWM'd at a 50% duty cycle." << endl;
leds->ledFullOff(3, true);
leds->ledFullOn(4, true);
// now, just sleep for 5 seconds, reset channels 3 and 4, and exit.
cout << "Sleeping for 5 seconds..." << endl;
sleep(5);
cout << "Exiting..." << endl;
// clear the bits we set earlier
leds->ledFullOff(3, false);
leds->ledFullOn(4, false);
//! [Interesting]
delete leds;
return 0;
}
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