/* * Author: Gerard Vidal * 2017 IFE ENS de Lyon * * * 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 #include "tca9548a.hpp" using namespace std; using namespace upm; /* * This examble is built to multiplex channel 2 and Channel 4 * */ void showAllPorts(upm::TCA9548A& multiplex) { int i; char ports[80]; std::string convert; for (i = 0; i < 8; i++) { if (multiplex.getPort(i)) strcat(ports, "1."); else strcat(ports, "0."); } cout << "Ports: " << ports; } int main(int argc, char** argv) { // Instantiate a TCA9548A instance of i2c multiplexer upm::TCA9548A multiplex(0); // Clean multiplex.disableAllPorts(); cout << "All ports disabled."; // Open i2c bus on multiplexer channel 4 multiplex.setPort(4, multiplex.ENABLED, multiplex.EXCLUSIVE); cout << "Port 4 enabled with exclusive access."; showAllPorts(multiplex); // Close com with channel 4 multiplex.disableAllPorts(); // Open i2c bus on multiplexer channel 2 multiplex.setPort(2, multiplex.ENABLED, multiplex.EXCLUSIVE); cout << "Port 2 enabled with exclusive access."; showAllPorts(multiplex); // close com with channel 2 multiplex.disableAllPorts(); // Open 2 i2c bus on multiplexer channel 4 and channel2 multiplex.setPort(4, multiplex.ENABLED, multiplex.EXCLUSIVE); multiplex.setPort(2, multiplex.ENABLED, multiplex.INCLUSIVE); cout << "Port 4 enabled with exclusive access."; cout << "Port 2 enabled with exclusive access."; showAllPorts(multiplex); // close com with all channels multiplex.disableAllPorts(); // Open i2c bus on all multiplexer channels multiplex.enableAllPorts(); cout << "All ports enabled."; showAllPorts(multiplex); // close com with all channels multiplex.disableAllPorts(); return 0; }