/* step4 of enumeration - IDLE 100ms and initialize control endpoint  */
static void main_usb_enum_step4(void)
/* step4 of enumeration - IDLE 100ms and initialize control endpoint  */
static void main_usb_enum_step4(void)
{
	main_usb_enable_ctrl_ep(0, (speed==0)?8:64);
	main_usb_wait_sof();
}