/* user call this function to disable receive data from device  */
void usb_host_cdc_disable_receive(usb_core_instance *pdev)
/* user call this function to disable receive data from device  */
void usb_host_cdc_disable_receive(usb_core_instance *pdev)
{
    RX_Enabled = 0;
    usb_hchstop(&pdev->regs, CDC_Machine.CDC_DataItf.hc_num_in);
    (void)usb_host_freech(pdev, CDC_Machine.CDC_DataItf.hc_num_in);
}