mirror of
https://github.com/eclipse/upm.git
synced 2025-03-22 00:17:30 +03:00
87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
/*
|
|
* Author: Gerard Vidal <gerard.vidal@ens-lyon.fr>
|
|
* 2017 IFE ENS de Lyon
|
|
*
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the The MIT License which is available at
|
|
* https://opensource.org/licenses/MIT.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include <string.h>
|
|
|
|
#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;
|
|
}
|