/*FUNCTION*----------------------------------------------------------------
*
* Function Name : usb_device_call_service
* Returned Value : USB_OK or error code
* Comments :
* Calls the appropriate service for the specified type, if one is
* registered. Used internally only.
*
*END*--------------------------------------------------------------------*/
usb_status _usb_device_call_service_internal
(
/* [IN] pointer to usb device status structure */
usb_dev_state_struct_t* usb_dev_ptr,
/* [IN] pointer to event structure */
usb_event_struct_t* event
)
{
service_struct_t* service_ptr = NULL;
uint32_t i;
/* Needs mutual exclusion */
//OS_Mutex_lock(usb_dev_ptr->mutex);
switch (event->type)
{
case USB_SERVICE_EP0:
USB_Control_Service(&usb_dev_ptr->usb_framework, event, NULL);
break;
case USB_SERVICE_BUS_RESET:
USB_Reset_Service(&usb_dev_ptr->usb_framework, event, NULL);
break;
#if USBCFG_DEV_ADVANCED_SUSPEND_RESUME
case USB_SERVICE_SUSPEND:
USB_Suspend_Service(&usb_dev_ptr->usb_framework, event, NULL);
break;
case USB_SERVICE_RESUME:
USB_Resume_Service(&usb_dev_ptr->usb_framework, event, NULL);
break;
#endif
#if USBCFG_DEV_KHCI_ADVANCED_ERROR_HANDLING
case USB_SERVICE_ERROR:
USB_Error_Service(&usb_dev_ptr->usb_framework, event, NULL);
break;
#endif
#if USBCFG_DEV_DETACH_ENABLE
case USB_SERVICE_DETACH:
USB_Detach_Service(&usb_dev_ptr->usb_framework, event, NULL);
break;
#endif
default:
break;
} /* Endswitch */
/* Search for an existing entry for type */
for (i = 0; i < MAX_DEVICE_SERVICE_NUMBER; i++)
{
service_ptr = &usb_dev_ptr->services[i];
if (service_ptr->type == event->type)
{
service_ptr->service(event,service_ptr->arg);
//OS_Mutex_unlock(usb_dev_ptr->mutex);
return USB_OK;
}
}
//OS_Mutex_unlock(usb_dev_ptr->mutex);
return USBERR_CLOSED_SERVICE;
} /* EndBody */
/**************************************************************************//*!
*
* @name USB_Framework_Periodic_Task
*
* @brief The funtion is called to respond to any control request
*
* @param None
*
* @return None
*
*****************************************************************************/
void USB_Framework_Periodic_Task(void)
{
/* if control request pending to be completed */
if(g_control_pending==TRUE)
{ /* handle pending control request */
USB_Control_Service(&g_f_event);
g_control_pending=FALSE;
}
}
