Read (FB)¶

FUNCTION_BLOCK Read EXTENDS CBM.ETrigToA

Function block to read data from the serial port

InOut:

Scope	Name	Type	Comment
Input	hCom	CAA.HANDLE	Handle to the open COM port. Ist returned by the COM.Open function block.
	pBuffer	CAA.PVOID	Pointer to a buffer to get the received data from the COM port
	szBuffer	CAA.SIZE	Maximum size of the pBuffer parameter in bytes
Output	eError	ERROR	Local library error ID (0: no error; 5001: time out)
	szSize	CAA.SIZE	Returns the number of received data bytes in pBuffer