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// Copyright (C) 2017 - IIT Bombay - FOSSEE
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
// Organization: FOSSEE, IIT Bombay
// Email: toolbox@scilab.in
function out=RPI_mcp23s17Setup(pinBase,spiPort,devId)
// Function for setting up 16-bit MCP23s17 SPI GPIO expansion chip.
//
// Calling Sequence
// RPI_mcp23s17Setup(pinBase,spiPort,devId)
//
// Parameters
// pinBase: any number above 64. The consecutive 16 pins will be allocated alongwith.
// spiPort: 0 or 1 for one of the two SPI ports on the Raspberry Pi.
// devId : the ID of the MCP23s17 on the SPI port.
//
// Description
// This function setups the extension module for the 16-bit MCP23s17 SPI GPIO expansion chip.
//
// Examples
// RPI_mcp23s17Setup(67,0,0)
// See also
// RPI_sr595Setup, RPI_pcf8574Setup, RPI_pcf8591Setup, RPI_mcp23008Setup, RPI_mcp23016Setup, RPI_mcp23017Setup, RPI_mcp23s08Setup
//
// Authors
// Jorawar Singh
//
// Bibliography
// http://wiringpi.com/reference/
commande="ms7#3#"+string(pinBase)+"#"+string(spiPort)+"#"+string(devId)+"#";
if getos()=="Linux" then
out=unix_g("python -c ""import socket;s=socket.socket();s.connect((''"+RPI_piAdress+"'',9077));s.send(''"+commande+"'');print(s.recv(1024));s.close()""");
elseif getos()=="Windows" then
[out,RPI_winR]=dos("python -c ""import socket;s=socket.socket();s.connect((''"+RPI_piAdress+"'',9077));s.send(''"+commande+"'');print(s.recv(1024));s.close()""");
end
endfunction
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