3.2.4.13 USB_HOST_DeviceSpeedGet Function

C

USB_HOST_RESULT USB_HOST_DeviceSpeedGet(
    USB_HOST_DEVICE_OBJ_HANDLE deviceObjHandle, 
    USB_SPEED * speed
);

This function returns the speed at which this device is operating.

The USB_HOST_Initialize() function should have been called.


Parameters	Description
deviceObjHandle	handle to the device whose speed is required.
speed	output parameter. Will contain the speed of the device if the function was successful.

USB_HOST_RESULT_SUCCESS - The function was successful. speed will contain the speed of the device.

USB_HOST_RESULT_DEVICE_UNKNOWN - The device does not exist in the system. speed will contain.

USB_SPEED_ERROR. USB_HOST_RESULT_FAILURE - an unknown error occurred.

None.