(PHP 4 >= 4.3.0, PHP 5 <= 5.0.4)
dio_tcsetattr -- Sets terminal attributes and baud rate for a serial portdio_tcsetattr() sets the terminal attributes and baud rate of the open fd.
Note: This function is not implemented on Windows platforms.
The file descriptor returned by dio_open().
The currently available options are:
'baud' - baud rate of the port - can be 38400,19200,9600,4800,2400,1800, 1200,600,300,200,150,134,110,75 or 50, default value is 9600.
'bits' - data bits - can be 8,7,6 or 5. Default value is 8.
'stop' - stop bits - can be 1 or 2. Default value is 1.
'parity' - can be 0,1 or 2. Default value is 0.