USB卡死在URB_IDLE，求助各位大神指点解决

secret

USBH_Status USBH_HandleControl (USB_OTG_CORE_HANDLE *pdev, USBH_HOST *phost)
{
  uint8_t direction;  
  static uint16_t timeout = 0;
  static unsigned char i=0;
  USBH_Status status = USBH_OK;
  URB_STATE URB_Status = URB_IDLE;
  
  phost->Control.status = CTRL_START;

  
  switch (phost->Control.state)
  {
  case CTRL_SETUP:
    /* send a SETUP packet */
    USBH_CtlSendSetup     (pdev,
                       phost->Control.setup.d8 ,
                       phost->Control.hc_num_out);  
    phost->Control.state = CTRL_SETUP_WAIT;  
    break;
   
  case CTRL_SETUP_WAIT:
   
    URB_Status = HCD_GetURB_State(pdev , phost->Control.hc_num_out);
    /* case SETUP packet sent successfully */
    if(URB_Status == URB_DONE)
    {
      direction = (phost->Control.setup.b.bmRequestType & USB_REQ_DIR_MASK);
      
      /* check if there is a data stage */
      if (phost->Control.setup.b.wLength.w != 0 )
      {        
        timeout = DATA_STAGE_TIMEOUT;
        if (direction == USB_D2H)
        {
          /* Data Direction is IN */
          phost->Control.state = CTRL_DATA_IN;
        }
        else
        {
          /* Data Direction is OUT */
          phost->Control.state = CTRL_DATA_OUT;
        }
      }
      /* No DATA stage */
      else
      {
        timeout = NODATA_STAGE_TIMEOUT;
        
        /* If there is No Data Transfer Stage */
        if (direction == USB_D2H)
        {
          /* Data Direction is IN */
          phost->Control.state = CTRL_STATUS_OUT;
        }
        else
        {
          /* Data Direction is OUT */
          phost->Control.state = CTRL_STATUS_IN;
        }
      }         
      /* Set the delay timer to enable timeout for data stage completion */
      phost->Control.timer = HCD_GetCurrentFrame(pdev);
    }
    else if(URB_Status == URB_ERROR)
    {
      phost->Control.state = CTRL_ERROR;     
      phost->Control.status = CTRL_XACTERR;
    }   
    break;

源码如上，URB_Status = HCD_GetURB_State(pdev , phost->Control.hc_num_out); 获取状态一直都是URB_IDLE状态,得不到URB_DONE状态。

peng1554

帮顶~~

二甲苯

解决了？