/***************************************************************************//**
* @brief
* Perform a remote wakeup signalling sequence.
*
* @note
* It is the responsibility of the application to ensure that remote wakeup
* is not attempted before the device has been suspended for at least 5
* miliseconds. This function should not be called from within an interrupt
* handler.
*
* @return
* @ref USB_STATUS_OK on success, else an appropriate error code.
******************************************************************************/
int USBD_RemoteWakeup( void )
{
INT_Disable();
if ( ( dev->state != USBD_STATE_SUSPENDED ) ||
( dev->remoteWakeupEnabled == false ) )
{
INT_Enable();
DEBUG_USB_API_PUTS( "\nUSBD_RemoteWakeup(), Illegal remote wakeup" );
return USB_STATUS_ILLEGAL;
}
USBDHAL_SetRemoteWakeup();
INT_Enable();
USBTIMER_DelayMs( 10 );
INT_Disable();
USBDHAL_ClearRemoteWakeup();
INT_Enable();
return USB_STATUS_OK;
}
/***************************************************************************//**
* @brief
* Perform a remote wakeup signalling sequence.
*
* @note
* It is the responsibility of the application to ensure that remote wakeup
* is not attempted before the device has been suspended for at least 5
* miliseconds. This function should not be called from within an interrupt
* handler.
*
* @return
* @ref USB_STATUS_OK on success, else an appropriate error code.
******************************************************************************/
int USBD_RemoteWakeup( void )
{
CORE_DECLARE_IRQ_STATE;
CORE_ENTER_CRITICAL();
if ( ( dev->state != USBD_STATE_SUSPENDED ) ||
( dev->remoteWakeupEnabled == false ) )
{
CORE_EXIT_CRITICAL();
DEBUG_USB_API_PUTS( "\nUSBD_RemoteWakeup(), Illegal remote wakeup" );
return USB_STATUS_ILLEGAL;
}
USBDHAL_SetRemoteWakeup();
CORE_EXIT_CRITICAL();
USBTIMER_DelayMs( 10 );
CORE_ENTER_CRITICAL();
USBDHAL_ClearRemoteWakeup();
CORE_EXIT_CRITICAL();
return USB_STATUS_OK;
}
