Add LUFA-111009-BETA tag.
[pub/USBasp.git] / LUFA / Drivers / USB / Core / XMEGA / USBController_XMEGA.c
index 2556ee8..9f44dc4 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
-#define  __INCLUDE_FROM_USB_CONTROLLER_C\r
-#include "../USBController.h"\r
-\r
-#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))\r
-volatile uint8_t USB_CurrentMode = USB_MODE_None;\r
-#endif\r
-\r
-#if !defined(USE_STATIC_OPTIONS)\r
-volatile uint8_t USB_Options;\r
-#endif\r
-\r
-void USB_Init(\r
-               #if defined(USB_CAN_BE_BOTH)\r
-               const uint8_t Mode\r
-               #endif\r
-\r
-               #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS))\r
-               ,\r
-               #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))\r
-               void\r
-               #endif\r
-\r
-               #if !defined(USE_STATIC_OPTIONS)\r
-               const uint8_t Options\r
-               #endif\r
-               )\r
-{\r
-       #if !defined(USE_STATIC_OPTIONS)\r
-       USB_Options = Options;\r
-       #endif\r
-       \r
-       USB_IsInitialized = true;\r
-\r
-       USB_ResetInterface();   \r
-}\r
-\r
-void USB_Disable(void)\r
-{\r
-       USB_INT_DisableAllInterrupts();\r
-       USB_INT_ClearAllInterrupts();\r
-\r
-       USB_Detach();\r
-       USB_Controller_Disable();\r
-\r
-       USB_IsInitialized = false;      \r
-}\r
-\r
-void USB_ResetInterface(void)\r
-{\r
-       USB_INT_DisableAllInterrupts();\r
-       USB_INT_ClearAllInterrupts();\r
-\r
-       USB_Controller_Reset();\r
-       USB_Init_Device();\r
-}\r
-\r
-#if defined(USB_CAN_BE_DEVICE)\r
-static void USB_Init_Device(void)\r
-{\r
-       USB_DeviceState                 = DEVICE_STATE_Unattached;\r
-       USB_Device_ConfigurationNumber  = 0;\r
-\r
-       #if !defined(NO_DEVICE_REMOTE_WAKEUP)\r
-       USB_Device_RemoteWakeupEnabled  = false;\r
-       #endif\r
-\r
-       #if !defined(NO_DEVICE_SELF_POWER)\r
-       USB_Device_CurrentlySelfPowered = false;\r
-       #endif\r
-\r
-       #if !defined(FIXED_CONTROL_ENDPOINT_SIZE)\r
-       USB_Descriptor_Device_t* DeviceDescriptorPtr;\r
-       \r
-       #if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) && \\r
-           !(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))\r
-       uint8_t DescriptorAddressSpace;\r
-\r
-       if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr, &DescriptorAddressSpace) != NO_DESCRIPTOR)\r
-       {\r
-               if (DescriptorAddressSpace == MEMSPACE_FLASH)\r
-                 USB_Device_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);\r
-               else if (DescriptorAddressSpace == MEMSPACE_EEPROM)\r
-                 USB_Device_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);\r
-               else\r
-                 USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;\r
-       }\r
-       #else\r
-       if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)\r
-       {\r
-               #if defined(USE_RAM_DESCRIPTORS)\r
-               USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;\r
-               #elif defined(USE_EEPROM_DESCRIPTORS)\r
-               USB_Device_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);\r
-               #else\r
-               USB_Device_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);\r
-               #endif\r
-       }       \r
-       #endif\r
-       #endif\r
-\r
-       if (USB_Options & USB_DEVICE_OPT_LOWSPEED)\r
-         USB_Device_SetLowSpeed();\r
-       else\r
-         USB_Device_SetFullSpeed();\r
-\r
-       Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,\r
-                                                          ENDPOINT_DIR_OUT, USB_Device_ControlEndpointSize,\r
-                                                          ENDPOINT_BANK_SINGLE);\r
-\r
-       USB_Attach();\r
-}\r
-#endif\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
+#define  __INCLUDE_FROM_USB_CONTROLLER_C
+#include "../USBController.h"
+
+#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))
+volatile uint8_t USB_CurrentMode = USB_MODE_None;
+#endif
+
+#if !defined(USE_STATIC_OPTIONS)
+volatile uint8_t USB_Options;
+#endif
+
+USB_EP_TABLE_t USB_EndpointTable ATTR_ALIGNED(2);
+
+void USB_Init(
+               #if defined(USB_CAN_BE_BOTH)
+               const uint8_t Mode
+               #endif
+
+               #if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS))
+               ,
+               #elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))
+               void
+               #endif
+
+               #if !defined(USE_STATIC_OPTIONS)
+               const uint8_t Options
+               #endif
+               )
+{
+       #if !defined(USE_STATIC_OPTIONS)
+       USB_Options = Options;
+       #endif
+       
+       USB_IsInitialized = true;
+       
+       uint_reg_t CurrentGlobalInt = GetGlobalInterruptMask();
+       GlobalInterruptDisable();
+
+       NVM.CMD  = NVM_CMD_READ_CALIB_ROW_gc;
+       USB.CAL0 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL0));
+       NVM.CMD  = NVM_CMD_READ_CALIB_ROW_gc;
+       USB.CAL1 = pgm_read_byte(offsetof(NVM_PROD_SIGNATURES_t, USBCAL1));
+       
+       if ((USB_Options & USB_OPT_BUSEVENT_PRIHIGH) == USB_OPT_BUSEVENT_PRIHIGH)
+         USB.INTCTRLA = (3 << USB_INTLVL_gp);
+       else if ((USB_Options & USB_OPT_BUSEVENT_PRIMED) == USB_OPT_BUSEVENT_PRIMED)
+         USB.INTCTRLA = (2 << USB_INTLVL_gp);
+       else
+         USB.INTCTRLA = (1 << USB_INTLVL_gp);
+
+       SetGlobalInterruptMask(CurrentGlobalInt);
+
+       USB_ResetInterface();   
+}
+
+void USB_Disable(void)
+{
+       USB_INT_DisableAllInterrupts();
+       USB_INT_ClearAllInterrupts();
+
+       USB_Detach();
+       USB_Controller_Disable();
+
+       USB_IsInitialized = false;      
+}
+
+void USB_ResetInterface(void)
+{
+       if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
+         CLK.USBCTRL = ((((F_USB / 6000000) - 1) << CLK_USBPSDIV_gp) | CLK_USBSRC_PLL_gc | CLK_USBSEN_bm);
+       else
+         CLK.USBCTRL = ((((F_USB / 48000000) - 1) << CLK_USBPSDIV_gp) | CLK_USBSRC_PLL_gc | CLK_USBSEN_bm);
+       
+       USB_INT_DisableAllInterrupts();
+       USB_INT_ClearAllInterrupts();
+
+       USB_Controller_Reset();
+       USB_Init_Device();
+}
+
+#if defined(USB_CAN_BE_DEVICE)
+static void USB_Init_Device(void)
+{
+       USB_DeviceState                 = DEVICE_STATE_Unattached;
+       USB_Device_ConfigurationNumber  = 0;
+
+       #if !defined(NO_DEVICE_REMOTE_WAKEUP)
+       USB_Device_RemoteWakeupEnabled  = false;
+       #endif
+
+       #if !defined(NO_DEVICE_SELF_POWER)
+       USB_Device_CurrentlySelfPowered = false;
+       #endif
+
+       #if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
+       USB_Descriptor_Device_t* DeviceDescriptorPtr;
+       
+       #if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) && \
+           !(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))
+       uint8_t DescriptorAddressSpace;
+
+       if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr, &DescriptorAddressSpace) != NO_DESCRIPTOR)
+       {
+               if (DescriptorAddressSpace == MEMSPACE_FLASH)
+                 USB_Device_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
+               else if (DescriptorAddressSpace == MEMSPACE_EEPROM)
+                 USB_Device_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
+               else
+                 USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
+       }
+       #else
+       if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)
+       {
+               #if defined(USE_RAM_DESCRIPTORS)
+               USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
+               #elif defined(USE_EEPROM_DESCRIPTORS)
+               USB_Device_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
+               #else
+               USB_Device_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
+               #endif
+       }       
+       #endif
+       #endif
+
+       if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
+         USB_Device_SetLowSpeed();
+       else
+         USB_Device_SetFullSpeed();
+
+       Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
+                                                          ENDPOINT_DIR_OUT, USB_Device_ControlEndpointSize,
+                                                          ENDPOINT_BANK_SINGLE);
+
+       USB_INT_Enable(USB_INT_BUSEVENTI);
+
+       USB_Attach();
+}
+#endif