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Number of pending bytes in the input buffer of the specified port, 0 if the function failed. The ErrorOccurred variable is set to True if an error occurred on the port (parity bit for example). The error details are returned by ErrorInfo.
Port number to use: Number of serial port: 1, 2, 3, ... 32 for COM1, COM2, COM3, ... COM32.Number of infrared port: 1, 2, 3, ... 32 for IR1, IR2, IR3, ... IR32.Port number returned by sOpen (if this function was called with a port name).
Last update: 05/01/2020
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All you have to do is configure your product as follows: