C++ (Cpp) USBD_ClrCfg Examples

Example #1

File: usbd_req.c Project: HuanDeng/Qproject

/**
  * @brief  USBD_SetConfig
  *         Handle Set device configuration request
  * @param  pdev: device instance
  * @param  req: usb request
  * @retval status
  */
static void USBD_SetConfig(USB_CORE_HANDLE  *pdev, 
                           USB_SETUP_REQ *req)
{
  
  static uint8_t  cfgidx;
  
  cfgidx = (uint8_t)(req->wValue);                 
  
  if (cfgidx > USBD_CFG_MAX_NUM ) 
  {            
     USBD_CtlError(pdev , req);                              
  } 
  else 
  {
    switch (pdev->dev.device_status) 
    {
    case USB_ADDRESSED:
      if (cfgidx) 
      {                                			   							   							   				
        pdev->dev.device_config = cfgidx;
        pdev->dev.device_status = USB_CONFIGURED;
        USBD_SetCfg(pdev , cfgidx);
        USBD_CtlSendStatus(pdev);
      }
      else 
      {
         USBD_CtlSendStatus(pdev);
      }
      break;
      
    case USB_CONFIGURED:
      if (cfgidx == 0) 
      {                           
        pdev->dev.device_status = USB_ADDRESSED;
        pdev->dev.device_config = cfgidx;          
        USBD_ClrCfg(pdev , cfgidx);
        USBD_CtlSendStatus(pdev);
      } 
      else  if (cfgidx != pdev->dev.device_config) 
      {
        /* Clear old configuration */
        USBD_ClrCfg(pdev , pdev->dev.device_config);
        
        /* set new configuration */
        pdev->dev.device_config = cfgidx;
        USBD_SetCfg(pdev , cfgidx);
        USBD_CtlSendStatus(pdev);
      }
      else
      {
        USBD_CtlSendStatus(pdev);
      }
      break;
      
    default:					
       USBD_CtlError(pdev , req);                     
      break;
    }
  }
}

Example #2

File: usbd_req.c Project: Poopi/UsbXlater

/**
* @brief  USBD_SetConfig
*         Handle Set device configuration request
* @param  pdev: device instance
* @param  req: usb request
* @retval status
*/
static void USBD_SetConfig(USB_OTG_CORE_HANDLE  *pdev,
                           USB_SETUP_REQ *req)
{

  static uint8_t  cfgidx;

  cfgidx = (uint8_t)(req->wValue);

  if (cfgidx > USBD_CFG_MAX_NUM )
  {
     dbg_printf(DBGMODE_ERR, "USBD_SetConfig Stall, bad cfgidx 0x%04X, file " __FILE__ ":%d\r\n", req->wValue, __LINE__);
     USBD_CtlError(pdev , req);
  }
  else
  {
    switch (pdev->dev.device_status)
    {
    case USB_OTG_ADDRESSED:
      if (cfgidx)
      {
        pdev->dev.device_config = cfgidx;
        pdev->dev.device_status = USB_OTG_CONFIGURED;
        USBD_SetCfg(pdev , cfgidx);
        USBD_CtlSendStatus(pdev);
      }
      else
      {
         USBD_CtlSendStatus(pdev);
      }
      break;

    case USB_OTG_CONFIGURED:
      if (cfgidx == 0)
      {
        pdev->dev.device_status = USB_OTG_ADDRESSED;
        pdev->dev.device_config = cfgidx;
        USBD_ClrCfg(pdev , cfgidx);
        USBD_CtlSendStatus(pdev);

      }
      else  if (cfgidx != pdev->dev.device_config)
      {
        /* Clear old configuration */
        USBD_ClrCfg(pdev , pdev->dev.device_config);

        /* set new configuration */
        pdev->dev.device_config = cfgidx;
        USBD_SetCfg(pdev , cfgidx);
        USBD_CtlSendStatus(pdev);
      }
      else
      {
        USBD_CtlSendStatus(pdev);
      }
      break;

    default:
       dbg_printf(DBGMODE_ERR, "USBD_SetConfig Stall, unknown device_status 0x%02X, file " __FILE__ ":%d\r\n", pdev->dev.device_status, __LINE__);
       USBD_CtlError(pdev , req);
      break;
    }
  }
}