Initial restructuring of the core USB driver module to support multiple architectures...
[pub/lufa.git] / LUFA / Drivers / USB / Core / AVR8 / USBInterrupt.c
diff --git a/LUFA/Drivers/USB/Core/AVR8/USBInterrupt.c b/LUFA/Drivers/USB/Core/AVR8/USBInterrupt.c
new file mode 100644 (file)
index 0000000..34234fe
--- /dev/null
@@ -0,0 +1,269 @@
+/*
+             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)
+{
+       #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+       USBCON &= ~((1 << VBUSTE) | (1 << IDTE));
+       #elif defined(USB_SERIES_4_AVR)
+       USBCON &= ~(1 << VBUSTE);
+       #endif
+
+       #if defined(USB_CAN_BE_BOTH)
+       OTGIEN  = 0;
+       #endif
+
+       #if defined(USB_CAN_BE_HOST)
+       UHIEN   = 0;
+       #endif
+
+       #if defined(USB_CAN_BE_DEVICE)
+       UDIEN   = 0;
+       #endif
+}
+
+void USB_INT_ClearAllInterrupts(void)
+{
+       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+       USBINT = 0;
+       #endif
+
+       #if defined(USB_CAN_BE_BOTH)
+       OTGINT = 0;
+       #endif
+
+       #if defined(USB_CAN_BE_HOST)
+       UHINT  = 0;
+       #endif
+
+       #if defined(USB_CAN_BE_DEVICE)
+       UDINT  = 0;
+       #endif
+}
+
+ISR(USB_GEN_vect, ISR_BLOCK)
+{
+       #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 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_SUSPI) && USB_INT_IsEnabled(USB_INT_SUSPI))
+       {
+               USB_INT_Clear(USB_INT_SUSPI);
+
+               USB_INT_Disable(USB_INT_SUSPI);
+               USB_INT_Enable(USB_INT_WAKEUPI);
+
+               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_WAKEUPI) && USB_INT_IsEnabled(USB_INT_WAKEUPI))
+       {
+               if (!(USB_Options & USB_OPT_MANUAL_PLL))
+               {
+                       USB_PLL_On();
+                       while (!(USB_PLL_IsReady()));
+               }
+
+               USB_CLK_Unfreeze();
+
+               USB_INT_Clear(USB_INT_WAKEUPI);
+
+               USB_INT_Disable(USB_INT_WAKEUPI);
+               USB_INT_Enable(USB_INT_SUSPI);
+
+               if (USB_ConfigurationNumber)
+                 USB_DeviceState = DEVICE_STATE_Configured;
+               else
+                 USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered;
+
+               #if defined(USB_SERIES_2_AVR) && !defined(NO_LIMITED_CONTROLLER_CONNECT)
+               EVENT_USB_Device_Connect();
+               #else
+               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_SUSPI);
+               USB_INT_Disable(USB_INT_SUSPI);
+               USB_INT_Enable(USB_INT_WAKEUPI);
+
+               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_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_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();
+               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);
+
+       NONATOMIC_BLOCK(NONATOMIC_FORCEOFF)
+       {
+               USB_Device_ProcessControlRequest();
+       }
+
+       Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
+       USB_INT_Enable(USB_INT_RXSTPI);
+       Endpoint_SelectEndpoint(PrevSelectedEndpoint);
+}
+#endif
+