Пример #1
0
ISR(USB_GEN_vect, ISR_BLOCK)
{
	#if defined(USB_CAN_BE_DEVICE)
	#if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER)
	if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS))
	{
		USB_INT_Clear(USB_INT_VBUS);

		RAISE_EVENT(USB_VBUSChange);

		if (USB_VBUS_GetStatus())
		{
			RAISE_EVENT(USB_VBUSConnect);
			
			if (USB_IsConnected)
			  RAISE_EVENT(USB_Disconnect);
				
			USB_ResetInterface();
				
			USB_IsConnected = true;

			RAISE_EVENT(USB_Connect);
		}
		else
		{
			RAISE_EVENT(USB_Disconnect);
		
			USB_Detach();
			USB_CLK_Freeze();
			USB_PLL_Off();
			USB_REG_Off();

			USB_IsConnected = false;

			RAISE_EVENT(USB_VBUSDisconnect);
			
			USB_INT_Clear(USB_INT_VBUS);
		}
	}
	#endif

	if (USB_INT_HasOccurred(USB_INT_SUSPEND) && USB_INT_IsEnabled(USB_INT_SUSPEND))
	{
		USB_INT_Clear(USB_INT_SUSPEND);

		USB_INT_Disable(USB_INT_SUSPEND);
		USB_INT_Enable(USB_INT_WAKEUP);
		
		USB_CLK_Freeze();
		
		if (!(USB_Options & USB_OPT_MANUAL_PLL))
		  USB_PLL_Off();

		USB_IsSuspended = true;

		RAISE_EVENT(USB_Suspend);

		#if defined(USB_LIMITED_CONTROLLER) && !defined(NO_LIMITED_CONTROLLER_CONNECT)
		if (USB_IsConnected)
		{
			USB_IsConnected = false;
			RAISE_EVENT(USB_Disconnect);
		}
		#endif
	}

	if (USB_INT_HasOccurred(USB_INT_WAKEUP) && USB_INT_IsEnabled(USB_INT_WAKEUP))
	{
		if (!(USB_Options & USB_OPT_MANUAL_PLL))
		{
			USB_PLL_On();
			while (!(USB_PLL_IsReady()));
		}

		USB_CLK_Unfreeze();

		USB_INT_Clear(USB_INT_WAKEUP);

		USB_INT_Disable(USB_INT_WAKEUP);
		USB_INT_Enable(USB_INT_SUSPEND);
		
		#if defined(USB_LIMITED_CONTROLLER) && !defined(NO_LIMITED_CONTROLLER_CONNECT)
		if (!(USB_IsConnected))
		{
			USB_IsConnected = true;
			RAISE_EVENT(USB_Connect);
		}
		#endif

		USB_IsSuspended = false;

		RAISE_EVENT(USB_WakeUp);
	}
   
	if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI))
	{
		USB_INT_Clear(USB_INT_EORSTI);

		USB_ConfigurationNumber = 0;

		USB_INT_Clear(USB_INT_SUSPEND);
		USB_INT_Disable(USB_INT_SUSPEND);
		USB_INT_Enable(USB_INT_WAKEUP);

		Endpoint_ClearEndpoints();

		Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
		                           ENDPOINT_DIR_OUT, USB_ControlEndpointSize,
		                           ENDPOINT_BANK_SINGLE);

		RAISE_EVENT(USB_Reset);
	}
	#endif
	
	#if defined(USB_CAN_BE_HOST)
	if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI))
	{
		USB_INT_Clear(USB_INT_DDISCI);
		USB_INT_Clear(USB_INT_DCONNI);
		USB_INT_Disable(USB_INT_DDISCI);
			
		RAISE_EVENT(USB_DeviceUnattached);
		RAISE_EVENT(USB_Disconnect);

		USB_ResetInterface();
	}
	
	if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI))
	{
		USB_INT_Clear(USB_INT_VBERRI);

		USB_Host_VBUS_Manual_Off();
		USB_Host_VBUS_Auto_Off();

		RAISE_EVENT(USB_HostError, HOST_ERROR_VBusVoltageDip);
		RAISE_EVENT(USB_DeviceUnattached);

		USB_HostState = HOST_STATE_Unattached;
	}

	if (USB_INT_HasOccurred(USB_INT_SRPI) && USB_INT_IsEnabled(USB_INT_SRPI))
	{
		USB_INT_Clear(USB_INT_SRPI);
		USB_INT_Disable(USB_INT_SRPI);
	
		RAISE_EVENT(USB_DeviceAttached);

		USB_INT_Enable(USB_INT_DDISCI);
		
		USB_HostState = HOST_STATE_Attached;
	}

	if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI))
	{
		USB_INT_Clear(USB_INT_BCERRI);
		
		RAISE_EVENT(USB_DeviceEnumerationFailed, HOST_ENUMERROR_NoDeviceDetected, 0);
		RAISE_EVENT(USB_DeviceUnattached);
		
		if (USB_IsConnected)
		  RAISE_EVENT(USB_Disconnect);

		USB_ResetInterface();
	}
	#endif

	#if defined(USB_CAN_BE_BOTH)
	if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI))
	{		
		USB_INT_Clear(USB_INT_IDTI);

		if (USB_IsConnected)
		{
			if (USB_CurrentMode == USB_MODE_HOST)
			  RAISE_EVENT(USB_DeviceUnattached);
			else
			  RAISE_EVENT(USB_Disconnect);
		}

		RAISE_EVENT(USB_UIDChange);
		
		USB_ResetInterface();
	}
	#endif
}
Пример #2
0
ISR(USB_GEN_vect, ISR_BLOCK)
{
	#if defined(USB_CAN_BE_DEVICE)
	#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
	if (USB_INT_HasOccurred(USB_INT_VBUS) && USB_INT_IsEnabled(USB_INT_VBUS))
	{
		USB_INT_Clear(USB_INT_VBUS);

		if (USB_VBUS_GetStatus())
		{
			USB_DeviceState = DEVICE_STATE_Powered;
			EVENT_USB_Device_Connect();
		}
		else
		{
			USB_DeviceState = DEVICE_STATE_Unattached;		
			EVENT_USB_Device_Disconnect();
		}
	}
	#endif

	if (USB_INT_HasOccurred(USB_INT_SUSPEND) && USB_INT_IsEnabled(USB_INT_SUSPEND))
	{
		USB_INT_Clear(USB_INT_SUSPEND);

		USB_INT_Disable(USB_INT_SUSPEND);
		USB_INT_Enable(USB_INT_WAKEUP);
		
		USB_CLK_Freeze();
		
		if (!(USB_Options & USB_OPT_MANUAL_PLL))
		  USB_PLL_Off();

		#if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT)
		USB_DeviceState = DEVICE_STATE_Unattached;
		EVENT_USB_Device_Disconnect();
		#else
		USB_DeviceState = DEVICE_STATE_Suspended;
		EVENT_USB_Device_Suspend();
		#endif
	}

	if (USB_INT_HasOccurred(USB_INT_WAKEUP) && USB_INT_IsEnabled(USB_INT_WAKEUP))
	{
		if (!(USB_Options & USB_OPT_MANUAL_PLL))
		{
			USB_PLL_On();
			while (!(USB_PLL_IsReady()));
		}

		USB_CLK_Unfreeze();

		USB_INT_Clear(USB_INT_WAKEUP);

		USB_INT_Disable(USB_INT_WAKEUP);
		USB_INT_Enable(USB_INT_SUSPEND);
		
		#if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT)
		USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered;
		EVENT_USB_Device_Connect();
		#else
		USB_DeviceState = (USB_ConfigurationNumber) ? DEVICE_STATE_Configured : DEVICE_STATE_Addressed;
		EVENT_USB_Device_WakeUp();		
		#endif
	}
   
	if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI))
	{
		USB_INT_Clear(USB_INT_EORSTI);

		USB_DeviceState         = DEVICE_STATE_Default;
		USB_ConfigurationNumber = 0;

		USB_INT_Clear(USB_INT_SUSPEND);
		USB_INT_Disable(USB_INT_SUSPEND);
		USB_INT_Enable(USB_INT_WAKEUP);

		Endpoint_ClearEndpoints();

		Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
		                           ENDPOINT_DIR_OUT, USB_ControlEndpointSize,
		                           ENDPOINT_BANK_SINGLE);

		#if defined(INTERRUPT_CONTROL_ENDPOINT)
		USB_INT_Enable(USB_INT_ENDPOINT_SETUP);
		#endif

		EVENT_USB_Device_Reset();
	}
	#endif
	
	#if defined(USB_CAN_BE_HOST)
	if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI))
	{
		USB_INT_Clear(USB_INT_DDISCI);
		USB_INT_Clear(USB_INT_DCONNI);
		USB_INT_Disable(USB_INT_DDISCI);
			
		EVENT_USB_Host_DeviceUnattached();

		USB_ResetInterface();
	}
	
	if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI))
	{
		USB_INT_Clear(USB_INT_VBERRI);

		USB_Host_VBUS_Manual_Off();
		USB_Host_VBUS_Auto_Off();

		EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip);
		EVENT_USB_Host_DeviceUnattached();

		USB_HostState = HOST_STATE_Unattached;
	}

	if (USB_INT_HasOccurred(USB_INT_SRPI) && USB_INT_IsEnabled(USB_INT_SRPI))
	{
		USB_INT_Clear(USB_INT_SRPI);
		USB_INT_Disable(USB_INT_SRPI);
	
		EVENT_USB_Host_DeviceAttached();

		USB_INT_Enable(USB_INT_DDISCI);
		
		USB_HostState = HOST_STATE_Powered;
	}

	if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI))
	{
		USB_INT_Clear(USB_INT_BCERRI);
		
		EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0);
		EVENT_USB_Host_DeviceUnattached();

		USB_ResetInterface();
	}
	#endif

	#if defined(USB_CAN_BE_BOTH)
	if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI))
	{		
		USB_INT_Clear(USB_INT_IDTI);

		if (USB_DeviceState != DEVICE_STATE_Unattached)
		  EVENT_USB_Device_Disconnect();

		if (USB_HostState != HOST_STATE_Unattached)
		  EVENT_USB_Host_DeviceUnattached();
		
		USB_CurrentMode = USB_GetUSBModeFromUID();
		EVENT_USB_UIDChange();

		USB_ResetInterface();
	}
	#endif
}