/* * Author: Jon Trulson * 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 #include "pca9685.hpp" #include "upm_utilities.h" using namespace std; int main(int argc, char** argv) { //! [Interesting] // Instantiate an PCA9685 on I2C bus 0 upm::PCA9685 leds(PCA9685_I2C_BUS, PCA9685_DEFAULT_I2C_ADDR); // put device to upm_delay 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 upm_delay for 5 seconds, reset channels 3 and 4, and exit. cout << "Sleeping for 5 seconds..." << endl; upm_delay(5); cout << "Exiting..." << endl; // clear the bits we set earlier leds.ledFullOff(3, false); leds.ledFullOn(4, false); //! [Interesting] return 0; }