Gx5732GetPortByte

Reads a port byte value.

Gx5732GetPortByte (nHandle, nPort, nByte, pucValue, pnStatus)

Name	Type	Description
nHandle	SHORT	Handle to a GX5732 board.
nPort	SHORT	Digital I/O port number: 0. GX5732_PORT0: Port 0. 1. GX5732_PORT1: Port 1. 2. GX5732_PORT2: Port 2. 3. GX5732_PORT3: Port 3. 4. GX5732_PORT4: Port 4. 5. GX5732_PORT5: Port 5. 6. GX5732_PORT6: Port 6.
nByte	SHORT	Port byte number: 0-3, 0 for the port low order byte and 3 for the high order byte. 0. GX5732_PORT_BYTE0 1. GX5732_PORT_BYTE1 2. GX5732_PORT_BYTE2 3. GX5732_PORT_BYTE3
pucValue	PBYTE	Returned value 0-255. Each bit represents the specific channel state bit 0 for lowest channel number.
pnStatus	LPSHORT	Returned status: 0 on success, negative number on failure.

Use the Gx5732SetPortByte to write data to the port byte when in Output direction.

The following example reads port 1, byte 2 value:

SHORT nStatus;

BYTE ucValue;

Gx5732GetPortByte (nHandle, GX5732_PORT1, GX5732_PORT_BYTE2, &ucValue, &nStatus);