I2CSensorReadRegister function (sensorsdriversutils.h)

The I2CSensorReadRegister function reads the devices register(s) over I2C.

Syntax

NTSTATUS I2CSensorReadRegister(
  WDFIOTARGET I2CIoTarget,
  UCHAR       RegAddress,
  BYTE        *Buffer,
  ULONG       BufferCb
);

Parameters

I2CIoTarget

Supplies the WDF I2C I/O target handle.

RegAddress

Supplies the I2C register address to read from.

Buffer

Supplies a buffer in which to read the contents of the register to.

BufferCb

Supplies the size of the buffer.

Return value

This function returns NTSTATUS.

Requirements