usb_control_msg

Name

usb_control_msg  -- Send a control message to a device

Description

int usb_control_msg (usb_dev_handle *dev); int requesttype); int request); int value); int index); char *bytes); int size); int timeout);

usb_control_msg performs a control request to the default control pipe on a device. The parameters mirror the types of the same name in the USB specification. Returns number of bytes written/read or 0 on error.