Claim and obtain a handle for a device identified by UsbWaitForEvent, UsbEventsWithCallback, UsbFindFirstDevice, UsbFindNextDevice.

int32_t UsbOpenDevice( 
    struct usbDeviceInfo * udi, 
    char * drvrname, 
    int32_t * udev, 
    void * data 
); 

Parameters

udi

Pointer to  usbDeviceInfo structure returned from UsbWaitForEvent, UsbEventsWithCallback, UsbFindFirstDevice or UsbFindNextDevice

drvname

The name to be associated with the handle returned (the "driver name").

udev 

Pointer to a variable to receive the handle for this device.

data

User-defined data to be associated with this device.

Return Values

USB_ERR_NORMAL_COMPLETION	Success. The device was claimed and a valid handle returned.
USB_ERR_NO_STACK	The USB stack is not ready.
USB_ERR_MEMORY	Memory could not be allocated for the operation.
USB_ERR_IN_USE	The device has already been claimed.
USB_ERR_INVAL	Any of udi, drvname or udev is not a valid pointer.

Requirements