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Function RTSendBlockTimed

RTSendBlockTimed allows specifying a timeout for a block of data to be sent:

int RTSendBlockTimed(int Port, const void * Data, int Length, int Timeout);

Parameters

Port

Must have value RT_COM1 .. RT_COM4.

Data

A pointer to the data block to be transmitted.

Length

Specifies the length of the data block to be transmitted.

Timeout

Timeout for the send operation in milliseconds.

return value

The number of bytes placed in the send buffer without getting a timeout. If all data was transferred to the send buffer, Length is returned. The timeout in milliseconds applies to the complete data block.

Serial Port I/O

Function RTSendBlock

Function RTSendBufferCount