UsbI2cRead

int UsbI2cRead(UAC_HANDLE devHandle, unsigned short address, char *data, unsigned short length)

Return Value

Parameters

devHandle

The device handle of an open device. Use the value returned by UsbI2cOpen.

address

Address of the I/O bank to read from. Each I/O bank contains two 8-bit bytes. Refer to the user's manual of the specific USB device you are using for details of the valid I/O banks for that device.

data

A pointer to two 8-bit bytes of data that will receive the data from the I/O bank.

length

The number of bytes that are allocated in the data array (typically this value will always be 2).

Remarks

This function reads data from the I2C bus of the USB device. Each USB device can have a different configuration of I2C components and functionality. Please refer to the User's Manual for the specific USB device that you are using for details on the I2C configuration for that device.