Add LUFA-111009-BETA tag.
[pub/USBasp.git] / LUFA / Drivers / USB / Core / UC3 / USBInterrupt_UC3.c
index 7a9c148..fec007c 100644 (file)
-/*\r
-             LUFA Library\r
-     Copyright (C) Dean Camera, 2011.\r
-\r
-  dean [at] fourwalledcubicle [dot] com\r
-           www.lufa-lib.org\r
-*/\r
-\r
-/*\r
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, distribute, and sell this\r
-  software and its documentation for any purpose is hereby granted\r
-  without fee, provided that the above copyright notice appear in\r
-  all copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
-  software without specific, written prior permission.\r
-\r
-  The author disclaim all warranties with regard to this\r
-  software, including all implied warranties of merchantability\r
-  and fitness.  In no event shall the author be liable for any\r
-  special, indirect or consequential damages or any damages\r
-  whatsoever resulting from loss of use, data or profits, whether\r
-  in an action of contract, negligence or other tortious action,\r
-  arising out of or in connection with the use or performance of\r
-  this software.\r
-*/\r
-\r
-#define  __INCLUDE_FROM_USB_DRIVER\r
-#include "../USBInterrupt.h"\r
-\r
-void USB_INT_DisableAllInterrupts(void)\r
-{\r
-       AVR32_USBB.USBCON.vbuste = false;\r
-       AVR32_USBB.USBCON.idte   = false;\r
-\r
-       AVR32_USBB.uhinteclr     = -1;\r
-       AVR32_USBB.udinteclr     = -1;\r
-}\r
-\r
-void USB_INT_ClearAllInterrupts(void)\r
-{\r
-       AVR32_USBB.USBSTACLR.vbustic = true;\r
-       AVR32_USBB.USBSTACLR.idtic   = true;\r
-\r
-       AVR32_USBB.uhintclr      = -1;\r
-       AVR32_USBB.udintclr      = -1;\r
-}\r
-\r
-ISR(USB_GEN_vect)\r
-{\r
-       #if defined(USB_CAN_BE_DEVICE)\r
-       #if !defined(NO_SOF_EVENTS)\r
-       if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI))\r
-       {\r
-               USB_INT_Clear(USB_INT_SOFI);\r
-\r
-               EVENT_USB_Device_StartOfFrame();\r
-       }\r
-       #endif\r
-\r
-       if (USB_INT_HasOccurred(USB_INT_VBUSTI) && USB_INT_IsEnabled(USB_INT_VBUSTI))\r
-       {\r
-               USB_INT_Clear(USB_INT_VBUSTI);\r
-\r
-               if (USB_VBUS_GetStatus())\r
-               {\r
-                       USB_DeviceState = DEVICE_STATE_Powered;\r
-                       EVENT_USB_Device_Connect();\r
-               }\r
-               else\r
-               {\r
-                       USB_DeviceState = DEVICE_STATE_Unattached;\r
-                       EVENT_USB_Device_Disconnect();\r
-               }\r
-       }\r
-\r
-       if (USB_INT_HasOccurred(USB_INT_SUSPI) && USB_INT_IsEnabled(USB_INT_SUSPI))\r
-       {\r
-               USB_INT_Disable(USB_INT_SUSPI);\r
-               USB_INT_Enable(USB_INT_WAKEUPI);\r
-\r
-               USB_CLK_Freeze();\r
-\r
-               USB_DeviceState = DEVICE_STATE_Suspended;\r
-               EVENT_USB_Device_Suspend();\r
-       }\r
-\r
-       if (USB_INT_HasOccurred(USB_INT_WAKEUPI) && USB_INT_IsEnabled(USB_INT_WAKEUPI))\r
-       {\r
-               USB_CLK_Unfreeze();\r
-\r
-               USB_INT_Clear(USB_INT_WAKEUPI);\r
-\r
-               USB_INT_Disable(USB_INT_WAKEUPI);\r
-               USB_INT_Enable(USB_INT_SUSPI);\r
-\r
-               if (USB_Device_ConfigurationNumber)\r
-                 USB_DeviceState = DEVICE_STATE_Configured;\r
-               else\r
-                 USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered;\r
-\r
-               EVENT_USB_Device_WakeUp();\r
-       }\r
-\r
-       if (USB_INT_HasOccurred(USB_INT_EORSTI) && USB_INT_IsEnabled(USB_INT_EORSTI))\r
-       {\r
-               USB_INT_Clear(USB_INT_EORSTI);\r
-\r
-               USB_DeviceState                = DEVICE_STATE_Default;\r
-               USB_Device_ConfigurationNumber = 0;\r
-\r
-               USB_INT_Clear(USB_INT_SUSPI);\r
-               USB_INT_Disable(USB_INT_SUSPI);\r
-               USB_INT_Enable(USB_INT_WAKEUPI);\r
-\r
-               USB_Device_SetDeviceAddress(0);\r
-               Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,\r
-                                          ENDPOINT_DIR_OUT, USB_Device_ControlEndpointSize,\r
-                                          ENDPOINT_BANK_SINGLE);\r
-\r
-               EVENT_USB_Device_Reset();\r
-       }\r
-       #endif\r
-\r
-       #if defined(USB_CAN_BE_HOST)\r
-       #if !defined(NO_SOF_EVENTS)\r
-       if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI))\r
-       {\r
-               USB_INT_Clear(USB_INT_HSOFI);\r
-\r
-               EVENT_USB_Host_StartOfFrame();\r
-       }\r
-       #endif\r
-\r
-       if (USB_INT_HasOccurred(USB_INT_DDISCI) && USB_INT_IsEnabled(USB_INT_DDISCI))\r
-       {\r
-               USB_INT_Clear(USB_INT_DDISCI);\r
-               USB_INT_Clear(USB_INT_DCONNI);\r
-               USB_INT_Disable(USB_INT_DDISCI);\r
-\r
-               EVENT_USB_Host_DeviceUnattached();\r
-\r
-               USB_ResetInterface();\r
-       }\r
-\r
-       if (USB_INT_HasOccurred(USB_INT_VBERRI) && USB_INT_IsEnabled(USB_INT_VBERRI))\r
-       {\r
-               USB_INT_Clear(USB_INT_VBERRI);\r
-\r
-               USB_Host_VBUS_Manual_Off();\r
-               USB_Host_VBUS_Auto_Off();\r
-\r
-               EVENT_USB_Host_HostError(HOST_ERROR_VBusVoltageDip);\r
-               EVENT_USB_Host_DeviceUnattached();\r
-\r
-               USB_HostState = HOST_STATE_Unattached;\r
-       }\r
-\r
-       if (USB_INT_HasOccurred(USB_INT_DCONNI) && USB_INT_IsEnabled(USB_INT_DCONNI))\r
-       {\r
-               USB_INT_Clear(USB_INT_DCONNI);\r
-               USB_INT_Disable(USB_INT_DCONNI);\r
-\r
-               EVENT_USB_Host_DeviceAttached();\r
-\r
-               USB_INT_Enable(USB_INT_DDISCI);\r
-\r
-               USB_HostState = HOST_STATE_Powered;\r
-       }\r
-\r
-       if (USB_INT_HasOccurred(USB_INT_BCERRI) && USB_INT_IsEnabled(USB_INT_BCERRI))\r
-       {\r
-               USB_INT_Clear(USB_INT_BCERRI);\r
-\r
-               EVENT_USB_Host_DeviceEnumerationFailed(HOST_ENUMERROR_NoDeviceDetected, 0);\r
-               EVENT_USB_Host_DeviceUnattached();\r
-\r
-               USB_ResetInterface();\r
-       }\r
-       #endif\r
-\r
-       #if defined(USB_CAN_BE_BOTH)\r
-       if (USB_INT_HasOccurred(USB_INT_IDTI) && USB_INT_IsEnabled(USB_INT_IDTI))\r
-       {\r
-               USB_INT_Clear(USB_INT_IDTI);\r
-\r
-               if (USB_DeviceState != DEVICE_STATE_Unattached)\r
-                 EVENT_USB_Device_Disconnect();\r
-\r
-               if (USB_HostState != HOST_STATE_Unattached)\r
-                 EVENT_USB_Host_DeviceUnattached();\r
-\r
-               USB_CurrentMode = USB_GetUSBModeFromUID();\r
-               USB_ResetInterface();\r
-\r
-               EVENT_USB_UIDChange();\r
-       }\r
-       #endif\r
-}\r
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2011.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#define  __INCLUDE_FROM_USB_DRIVER
+#include "../USBInterrupt.h"
+
+void USB_INT_DisableAllInterrupts(void)
+{
+       AVR32_USBB.USBCON.vbuste     = false;
+       AVR32_USBB.USBCON.idte       = false;
+
+       AVR32_USBB.uhinteclr         = -1;
+       AVR32_USBB.udinteclr         = -1;
+}
+
+void USB_INT_ClearAllInterrupts(void)
+{
+       AVR32_USBB.USBSTACLR.vbustic = true;
+       AVR32_USBB.USBSTACLR.idtic   = true;
+
+       AVR32_USBB.uhintclr          = -1;
+       AVR32_USBB.udintclr          = -1;
+}
+
+ISR(USB_GEN_vect)
+{
+       #if defined(USB_CAN_BE_DEVICE)
+       #if !defined(NO_SOF_EVENTS)
+       if (USB_INT_HasOccurred(USB_INT_SOFI) && USB_INT_IsEnabled(USB_INT_SOFI))
+       {
+               USB_INT_Clear(USB_INT_SOFI);
+
+               EVENT_USB_Device_StartOfFrame();
+       }
+       #endif
+
+       if (USB_INT_HasOccurred(USB_INT_VBUSTI) && USB_INT_IsEnabled(USB_INT_VBUSTI))
+       {
+               USB_INT_Clear(USB_INT_VBUSTI);
+
+               if (USB_VBUS_GetStatus())
+               {
+                       USB_DeviceState = DEVICE_STATE_Powered;
+                       EVENT_USB_Device_Connect();
+               }
+               else
+               {
+                       USB_DeviceState = DEVICE_STATE_Unattached;
+                       EVENT_USB_Device_Disconnect();
+               }
+       }
+
+       if (USB_INT_HasOccurred(USB_INT_SUSPI) && USB_INT_IsEnabled(USB_INT_SUSPI))
+       {
+               USB_INT_Disable(USB_INT_SUSPI);
+               USB_INT_Enable(USB_INT_WAKEUPI);
+
+               USB_CLK_Freeze();
+
+               USB_DeviceState = DEVICE_STATE_Suspended;
+               EVENT_USB_Device_Suspend();
+       }
+
+       if (USB_INT_HasOccurred(USB_INT_WAKEUPI) && USB_INT_IsEnabled(USB_INT_WAKEUPI))
+       {
+               USB_CLK_Unfreeze();
+
+               USB_INT_Clear(USB_INT_WAKEUPI);
+
+               USB_INT_Disable(USB_INT_WAKEUPI);
+               USB_INT_Enable(USB_INT_SUSPI);
+
+               if (USB_Device_ConfigurationNumber)
+                 USB_DeviceState = DEVICE_STATE_Configured;
+               else
+                 USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered;
+
+               EVENT_USB_Device_WakeUp();
+       }
+
+       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_Device_ConfigurationNumber = 0;
+
+               USB_INT_Clear(USB_INT_SUSPI);
+               USB_INT_Disable(USB_INT_SUSPI);
+               USB_INT_Enable(USB_INT_WAKEUPI);
+
+               USB_Device_SetDeviceAddress(0);
+               Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
+                                          ENDPOINT_DIR_OUT, USB_Device_ControlEndpointSize,
+                                          ENDPOINT_BANK_SINGLE);
+
+               #if defined(INTERRUPT_CONTROL_ENDPOINT)
+               USB_INT_Enable(USB_INT_RXSTPI);
+               #endif
+
+               EVENT_USB_Device_Reset();
+       }
+       #endif
+
+       #if defined(USB_CAN_BE_HOST)
+       #if !defined(NO_SOF_EVENTS)
+       if (USB_INT_HasOccurred(USB_INT_HSOFI) && USB_INT_IsEnabled(USB_INT_HSOFI))
+       {
+               USB_INT_Clear(USB_INT_HSOFI);
+
+               EVENT_USB_Host_StartOfFrame();
+       }
+       #endif
+
+       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_DCONNI) && USB_INT_IsEnabled(USB_INT_DCONNI))
+       {
+               USB_INT_Clear(USB_INT_DCONNI);
+               USB_INT_Disable(USB_INT_DCONNI);
+
+               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();
+               USB_ResetInterface();
+
+               EVENT_USB_UIDChange();
+       }
+       #endif
+}
+
+#if defined(INTERRUPT_CONTROL_ENDPOINT) && defined(USB_CAN_BE_DEVICE)
+ISR(USB_COM_vect, ISR_BLOCK)
+{
+       uint8_t PrevSelectedEndpoint = Endpoint_GetCurrentEndpoint();
+
+       Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
+       USB_INT_Disable(USB_INT_RXSTPI);
+
+       GlobalInterruptEnable();
+
+       USB_Device_ProcessControlRequest();
+
+       Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
+       USB_INT_Enable(USB_INT_RXSTPI);
+       Endpoint_SelectEndpoint(PrevSelectedEndpoint);
+}
+#endif
+