upm/examples/c++/tca9548a.cxx
g-vidal 7688e5f230 TCA9548A : initial implementation
merged with #413 from maleek

Signed-off-by: g-vidal <gerard.vidal@ens-lyon.fr>
Signed-off-by: Keelan Lightfoot <keelanlightfoot@gmail.com>
Signed-off-by: Jon Trulson <jtrulson@ics.com>
2017-05-07 16:41:32 -06:00

104 lines
3.0 KiB
C++

/*
* Author: Gerard Vidal <gerard.vidal@ens-lyon.fr>
* 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 <unistd.h>
#include <iostream>
#include <sstream>
#include <signal.h>
#include <stdio.h>
#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 = new upm::TCA9548A(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();
delete multiplex;
return 0;
}