U2C_RESULT U2C_ReadSda (
HANDLE hDevice,
U2C_LINE_STATE* pState
);

The U2C_ReadSda function checks the current state of the SDA line of the I2C bus.

Parameters:

	hDevice	Handle to the U2C-12 device.
	pState	Pointer to the location to be filled with the SDA line state: LS_RELEASED - if SDA line is released (high). LS_DROPPED_BY_I2C_BRIDGE - if U2C-12 device has pulled down the SDA line. LS_DROPPED_BY_SLAVE - if I2C slave device has pulled down the SDA line.

Return values:

	U2C_SUCCESS	The SDA line state was successfully read.
	U2C_HARDWARE_NOT_FOUND	U2C-12 device referenced by hDevice handle was not found.