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