U2C_SpiReadWrite()

U2C_RESULT U2C_SpiReadWrite(
      HANDLE hDevice,
      BYTE* pOutBuffer,
      BYTE* pInBuffer,
      unsigned short Length
);

The U2C_SpiReadWrite() function shifts out (writes) and in (reads) a stream of up to 256 bytes to/from the SPI slave device.

Parameters:

hDevice: Handle to the U2C-12 device.
pOutBuffer: Pointer to the buffer containing the data to be shifted out to the SPI slave device.
pInBuffer: Pointer to the buffer that receives the data shifted in from the SPI slave device.
Length: Number of bytes to be transferred via SPI bus. Maximum value is 256.

Return values:

U2C_SUCCESS

The data was successfully transmitted via SPI bus.

U2C_HARDWARE_NOT_FOUND

U2C-12 device referenced by hDevice handle was not found.

U2C_BAD_PARAMETER

Length parameter is out of range.

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