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function fd = RPI_SerialSetup(port, baudrate)
// Function to setup serial port.
//
// Calling Sequence
// RPI_SerialSetup(port, baudrate)
//
// Parameters
// port : port of RPi to be used (eg. )
// direction : direction to be set for pin (0 -> INPUT, 1 -> OUTPUT)
// fd : file descriptor for opened port, -1 for error
// Description
// This functions opens the specified serial port and returns file descriptor
// for the same
// Examples
// serial1 = RPI_SerialSetup('/dev/ttyAMA0',9600) //opens port 'USBtty0'
//
// See also
// RPI_SerialClose RPI_SerialSendChar
//
//
// Authors
// Siddhesh Wani
// -----------------------------------------------------------------
// This is curretly dummy function. It provides no functionality but is required
// for providing support for generating C code for RPi.
fd = 0;
endfunction
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