C++ (Cpp) usb_hostdev_delete_interfaceの例

コード例 #1

ファイル: host_dev_list.c プロジェクト: mengxzhan/mygithub

/*FUNCTION*----------------------------------------------------------------
* 
* Function Name  : usb_dev_list_free_memory
* Returned Value : USB_OK if valid device, else error code
* Comments       :
*     Close pipes & free memory on device's linked list, whose
*        anchor is device.memlist--> 
*     
*END*--------------------------------------------------------------------*/
USB_STATUS usb_dev_list_free_memory
   (
      /* [IN] Handle for the USB device */
      _usb_device_instance_handle   dev_handle
   )
{ /* Body */
   DEV_INSTANCE_PTR  dev;
   DEV_MEMORY_PTR    mem_ptr, list_ptr;
   USB_STATUS        error;
   uint_8            intf_no;

   #ifdef _HOST_DEBUG_
      DEBUG_LOG_TRACE("usb_dev_list_free_memory");
      DEBUGMSG(USB_DBG_LEVEL, ("usb_dev_list_free_memory\n"));
   #endif

   error = usb_hostdev_validate(dev_handle);
   if (error != USB_OK)
      #ifdef _HOST_DEBUG_
         DEBUG_LOG_TRACE("usb_dev_list_free_memory invalid device handle");
      #endif
      return error;

   dev = (DEV_INSTANCE_PTR)dev_handle;

   /* Deleting interfaces closes their pipes */
   for (intf_no = 0; intf_no < dev->num_of_interfaces; intf_no++)
      usb_hostdev_delete_interface(dev, dev->intf_descriptor[intf_no]);

   /* Free memory blocks on this device's list */
   USB_lock();
   mem_ptr = dev->memlist;
   list_ptr = mem_ptr->next;

   do {
      USB_memfree(mem_ptr);
      mem_ptr = list_ptr;
      list_ptr = mem_ptr->next;
   } while (mem_ptr != NULL);

   dev->memlist = NULL;
   USB_unlock();

   #ifdef _HOST_DEBUG_
      DEBUG_LOG_TRACE("usb_dev_list_free_memory SUCCESSFUL");
   #endif
   return USB_OK;

} /* Endbody */

コード例 #2

ファイル: host_dev_list.c プロジェクト: BillyZhangZ/wifi

/*FUNCTION*----------------------------------------------------------------
*
* Function Name  : usb_dev_list_free_memlist
* Returned Value : USB_OK if valid device, else error code
* Comments       :
*     Close pipes & free memory on device's linked list, whose
*        anchor is dev_handle-->memlist
*
*END*--------------------------------------------------------------------*/
USB_STATUS usb_dev_list_free_memlist
(
    /* [IN] Handle for the USB device */
    _usb_device_instance_handle   dev_handle
)
{   /* Body */
    DEV_INSTANCE_PTR  dev;
    DEV_MEMORY_PTR    mem_ptr, list_ptr;
    USB_STATUS        error;
    uint_8            intf_no;

#ifdef _HOST_DEBUG_
    DEBUG_LOG_TRACE("usb_dev_list_free_memlist");
#endif

    error = usb_hostdev_validate(dev_handle);
    // EAI - missing {} so failed if debug on
    if (error != USB_OK) {
#ifdef _HOST_DEBUG_
        DEBUG_LOG_TRACE("usb_dev_list_free_memlist invalid device handle");
#endif
        return USB_log_error(__FILE__,__LINE__,error);
    }
    dev = (DEV_INSTANCE_PTR)dev_handle;

    /* Deleting interfaces closes their pipes */
    for (intf_no = 0; intf_no < dev->num_of_interfaces; intf_no++)
        usb_hostdev_delete_interface(dev, dev->intf_descriptor[intf_no]);

    /* Free memory blocks on this device's list */
    USB_lock();
    mem_ptr = dev->memlist;

    while (mem_ptr != NULL) {
        list_ptr = mem_ptr->next;
        USB_mem_free(mem_ptr);
        mem_ptr = list_ptr;
    }

    dev->memlist = NULL;
    USB_unlock();

#ifdef _HOST_DEBUG_
    DEBUG_LOG_TRACE("usb_dev_list_free_memlist SUCCESSFUL");
#endif
    return USB_OK;

} /* Endbody */

コード例 #3

ファイル: host_dev_list.c プロジェクト: krlosb2/mcuoneclipse

/*FUNCTION*----------------------------------------------------------------
* 
* Function Name  : usb_dev_list_free_memory
* Returned Value : USB_OK if valid device, else error code
* Comments       :
*     Close pipes & free memory on device's linked list, whose
*        anchor is device.memlist--> 
*     
*END*--------------------------------------------------------------------*/
USB_STATUS usb_dev_list_free_memory
   (
      /* [IN] Handle for the USB device */
      _usb_device_instance_handle   dev_handle
   )
{ /* Body */
   DEV_INSTANCE_PTR  dev;
   DEV_MEMORY_PTR    mem_ptr, list_ptr;
   USB_STATUS        error;
   uint_8            intf_no;

   error = usb_hostdev_validate(dev_handle);
   /* EAI - missing {} so failed if debug on */
   if (error != USB_OK) {
      return error;
   }
   dev = (DEV_INSTANCE_PTR)dev_handle;

   /* Deleting interfaces closes their pipes */
   for (intf_no = 0; intf_no < dev->num_of_interfaces; intf_no++)
      usb_hostdev_delete_interface(dev, dev->intf_descriptor[intf_no]);

   /* Free memory blocks on this device's list */
   USB_lock();
   mem_ptr = dev->memlist;
#if 0
   list_ptr = mem_ptr->next;

   do {
      USB_mem_free(mem_ptr);
      mem_ptr = list_ptr;
      list_ptr = mem_ptr->next;
   } while (mem_ptr != NULL);
#else /* << EST: above code will crash if list has more than one entry */
   while(mem_ptr!=NULL) {
     list_ptr = mem_ptr->next;
     USB_mem_free(mem_ptr);
     mem_ptr = list_ptr;
   }
#endif
   dev->memlist = NULL;
   USB_unlock();

   return USB_OK;

} /* Endbody */