Add svn:eol-style property to source files, so that the line endings are correctly...
[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / LowLevel.c
index a088654..4c74210 100644 (file)
-/*\r
-             LUFA Library\r
-     Copyright (C) Dean Camera, 2010.\r
-              \r
-  dean [at] fourwalledcubicle [dot] com\r
-      www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
-  Copyright 2010  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 "LowLevel.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(USB_CAN_BE_BOTH)\r
-       USB_CurrentMode = Mode;\r
-       #endif\r
-\r
-       #if !defined(USE_STATIC_OPTIONS)\r
-       USB_Options = Options;\r
-       #endif\r
-\r
-       #if defined(USB_CAN_BE_HOST)\r
-       USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;\r
-       #endif\r
-       \r
-       #if defined(USB_DEVICE_ONLY) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))\r
-       UHWCON |= (1 << UIMOD);\r
-       #elif defined(USB_HOST_ONLY)\r
-       UHWCON &= ~(1 << UIMOD);\r
-       #elif defined(USB_CAN_BE_BOTH)\r
-       if (Mode == USB_MODE_UID)\r
-       {\r
-               UHWCON |=  (1 << UIDE);\r
-\r
-               USB_INT_Clear(USB_INT_IDTI);\r
-               USB_INT_Enable(USB_INT_IDTI);\r
-               \r
-               USB_CurrentMode = USB_GetUSBModeFromUID();\r
-       }\r
-       else if (Mode == USB_MODE_DEVICE)\r
-       {\r
-               UHWCON |=  (1 << UIMOD);\r
-       }\r
-       else if (Mode == USB_MODE_HOST)                 \r
-       {\r
-               UHWCON &= ~(1 << UIMOD);\r
-       }\r
-       else\r
-       {\r
-               EVENT_USB_InitFailure(USB_INITERROR_NoUSBModeSpecified);\r
-               return;\r
-       }\r
-       #endif\r
-       \r
-       USB_ResetInterface();\r
-\r
-       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)\r
-       USB_OTGPAD_On();\r
-       #endif\r
-\r
-       USB_IsInitialized = true;\r
-}\r
-\r
-void USB_ShutDown(void)\r
-{\r
-       USB_ResetInterface();\r
-       USB_Detach();\r
-       USB_Controller_Disable();\r
-       \r
-       USB_INT_DisableAllInterrupts();\r
-       USB_INT_ClearAllInterrupts();\r
-\r
-       #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)\r
-       UHWCON &= ~(1 << UIMOD);\r
-       #endif\r
-       \r
-       if (!(USB_Options & USB_OPT_MANUAL_PLL))\r
-         USB_PLL_Off();\r
-       \r
-       USB_REG_Off();\r
-\r
-       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)\r
-       USB_OTGPAD_Off();\r
-       #endif\r
-\r
-       #if defined(USB_CAN_BE_BOTH)\r
-       UHWCON &= ~(1 << UIDE);\r
-       #endif\r
-\r
-       USB_IsInitialized = false;\r
-\r
-       #if defined(USB_CAN_BE_BOTH)\r
-       USB_CurrentMode = USB_MODE_NONE;\r
-       #endif\r
-}\r
-\r
-void USB_ResetInterface(void)\r
-{\r
-       USB_INT_DisableAllInterrupts();\r
-       USB_INT_ClearAllInterrupts();\r
-       \r
-       #if defined(USB_CAN_BE_HOST)\r
-       USB_HostState   = HOST_STATE_Unattached;\r
-       #endif\r
-       \r
-       #if defined(USB_CAN_BE_DEVICE)\r
-       USB_DeviceState = DEVICE_STATE_Unattached;\r
-       USB_ConfigurationNumber  = 0;\r
-\r
-       #if !defined(NO_DEVICE_REMOTE_WAKEUP)\r
-       USB_RemoteWakeupEnabled  = false;\r
-       #endif\r
-       \r
-       #if !defined(NO_DEVICE_SELF_POWER)\r
-       USB_CurrentlySelfPowered = false;\r
-       #endif\r
-       #endif\r
-       \r
-       if (!(USB_Options & USB_OPT_MANUAL_PLL))\r
-       {\r
-               #if defined(USB_SERIES_4_AVR)\r
-               PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1));\r
-               #endif\r
-\r
-               USB_PLL_On();\r
-               while (!(USB_PLL_IsReady()));\r
-       }\r
-       \r
-       USB_Controller_Reset();\r
-       \r
-       #if defined(USB_CAN_BE_BOTH)\r
-       if (UHWCON & (1 << UIDE))\r
-       {\r
-               USB_INT_Clear(USB_INT_IDTI);\r
-               USB_INT_Enable(USB_INT_IDTI);\r
-               USB_CurrentMode = USB_GetUSBModeFromUID();\r
-       }\r
-       #endif\r
-               \r
-       if (!(USB_Options & USB_OPT_REG_DISABLED))\r
-         USB_REG_On();\r
-       else\r
-         USB_REG_Off();\r
-       \r
-       USB_CLK_Unfreeze();\r
-\r
-       #if (defined(USB_CAN_BE_DEVICE) && (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)))\r
-       if (USB_CurrentMode == USB_MODE_DEVICE)\r
-       {\r
-               if (USB_Options & USB_DEVICE_OPT_LOWSPEED)\r
-                 USB_Device_SetLowSpeed();\r
-               else\r
-                 USB_Device_SetFullSpeed();\r
-       }\r
-       #endif\r
-       \r
-       #if (defined(USB_CAN_BE_DEVICE) && !defined(FIXED_CONTROL_ENDPOINT_SIZE))\r
-       if (USB_CurrentMode == USB_MODE_DEVICE)\r
-       {\r
-               USB_Descriptor_Device_t* DeviceDescriptorPtr;\r
-\r
-               if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)\r
-               {                 \r
-                       #if defined(USE_RAM_DESCRIPTORS)\r
-                       USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;\r
-                       #elif defined(USE_EEPROM_DESCRIPTORS)\r
-                       USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);\r
-                       #else\r
-                       USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);\r
-                       #endif\r
-               }\r
-       }\r
-       #endif\r
-\r
-       USB_Attach();\r
-       \r
-       #if defined(USB_DEVICE_ONLY)\r
-       USB_INT_Clear(USB_INT_SUSPEND);\r
-       USB_INT_Enable(USB_INT_SUSPEND);\r
-       USB_INT_Clear(USB_INT_EORSTI);\r
-       USB_INT_Enable(USB_INT_EORSTI);\r
-\r
-       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)\r
-       USB_INT_Enable(USB_INT_VBUS);\r
-       #endif\r
-       #elif defined(USB_HOST_ONLY)\r
-       USB_Host_HostMode_On();\r
-       \r
-       USB_Host_VBUS_Auto_Off();\r
-       USB_OTGPAD_Off();\r
-\r
-       USB_Host_VBUS_Manual_Enable();\r
-       USB_Host_VBUS_Manual_On();\r
-       \r
-       USB_INT_Enable(USB_INT_SRPI);\r
-       USB_INT_Enable(USB_INT_BCERRI);\r
-       #else\r
-       if (USB_CurrentMode == USB_MODE_DEVICE)\r
-       {\r
-               USB_INT_Clear(USB_INT_SUSPEND);\r
-               USB_INT_Enable(USB_INT_SUSPEND);\r
-               USB_INT_Clear(USB_INT_EORSTI);\r
-               USB_INT_Enable(USB_INT_EORSTI);\r
-\r
-               #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)\r
-               USB_INT_Enable(USB_INT_VBUS);\r
-               #endif\r
-\r
-               #if defined(CONTROL_ONLY_DEVICE)\r
-               UENUM = ENDPOINT_CONTROLEP;\r
-               #endif\r
-       }\r
-       else if (USB_CurrentMode == USB_MODE_HOST)\r
-       {\r
-               USB_Host_HostMode_On();\r
-               \r
-               USB_Host_VBUS_Auto_Off();\r
-               USB_OTGPAD_Off();\r
-\r
-               USB_Host_VBUS_Manual_Enable();\r
-               USB_Host_VBUS_Manual_On();\r
-               \r
-               USB_INT_Enable(USB_INT_SRPI);\r
-               USB_INT_Enable(USB_INT_BCERRI);\r
-       }\r
-       #endif\r
-}\r
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2010.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2010  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 "LowLevel.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
+
+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(USB_CAN_BE_BOTH)
+       USB_CurrentMode = Mode;
+       #endif
+
+       #if !defined(USE_STATIC_OPTIONS)
+       USB_Options = Options;
+       #endif
+
+       #if defined(USB_CAN_BE_HOST)
+       USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;
+       #endif
+       
+       #if defined(USB_DEVICE_ONLY) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
+       UHWCON |= (1 << UIMOD);
+       #elif defined(USB_HOST_ONLY)
+       UHWCON &= ~(1 << UIMOD);
+       #elif defined(USB_CAN_BE_BOTH)
+       if (Mode == USB_MODE_UID)
+       {
+               UHWCON |=  (1 << UIDE);
+
+               USB_INT_Clear(USB_INT_IDTI);
+               USB_INT_Enable(USB_INT_IDTI);
+               
+               USB_CurrentMode = USB_GetUSBModeFromUID();
+       }
+       else if (Mode == USB_MODE_DEVICE)
+       {
+               UHWCON |=  (1 << UIMOD);
+       }
+       else if (Mode == USB_MODE_HOST)                 
+       {
+               UHWCON &= ~(1 << UIMOD);
+       }
+       else
+       {
+               EVENT_USB_InitFailure(USB_INITERROR_NoUSBModeSpecified);
+               return;
+       }
+       #endif
+       
+       USB_ResetInterface();
+
+       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+       USB_OTGPAD_On();
+       #endif
+
+       USB_IsInitialized = true;
+}
+
+void USB_ShutDown(void)
+{
+       USB_ResetInterface();
+       USB_Detach();
+       USB_Controller_Disable();
+       
+       USB_INT_DisableAllInterrupts();
+       USB_INT_ClearAllInterrupts();
+
+       #if defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+       UHWCON &= ~(1 << UIMOD);
+       #endif
+       
+       if (!(USB_Options & USB_OPT_MANUAL_PLL))
+         USB_PLL_Off();
+       
+       USB_REG_Off();
+
+       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+       USB_OTGPAD_Off();
+       #endif
+
+       #if defined(USB_CAN_BE_BOTH)
+       UHWCON &= ~(1 << UIDE);
+       #endif
+
+       USB_IsInitialized = false;
+
+       #if defined(USB_CAN_BE_BOTH)
+       USB_CurrentMode = USB_MODE_NONE;
+       #endif
+}
+
+void USB_ResetInterface(void)
+{
+       USB_INT_DisableAllInterrupts();
+       USB_INT_ClearAllInterrupts();
+       
+       #if defined(USB_CAN_BE_HOST)
+       USB_HostState   = HOST_STATE_Unattached;
+       #endif
+       
+       #if defined(USB_CAN_BE_DEVICE)
+       USB_DeviceState = DEVICE_STATE_Unattached;
+       USB_ConfigurationNumber  = 0;
+
+       #if !defined(NO_DEVICE_REMOTE_WAKEUP)
+       USB_RemoteWakeupEnabled  = false;
+       #endif
+       
+       #if !defined(NO_DEVICE_SELF_POWER)
+       USB_CurrentlySelfPowered = false;
+       #endif
+       #endif
+       
+       if (!(USB_Options & USB_OPT_MANUAL_PLL))
+       {
+               #if defined(USB_SERIES_4_AVR)
+               PLLFRQ = ((1 << PLLUSB) | (1 << PDIV3) | (1 << PDIV1));
+               #endif
+
+               USB_PLL_On();
+               while (!(USB_PLL_IsReady()));
+       }
+       
+       USB_Controller_Reset();
+       
+       #if defined(USB_CAN_BE_BOTH)
+       if (UHWCON & (1 << UIDE))
+       {
+               USB_INT_Clear(USB_INT_IDTI);
+               USB_INT_Enable(USB_INT_IDTI);
+               USB_CurrentMode = USB_GetUSBModeFromUID();
+       }
+       #endif
+               
+       if (!(USB_Options & USB_OPT_REG_DISABLED))
+         USB_REG_On();
+       else
+         USB_REG_Off();
+       
+       USB_CLK_Unfreeze();
+
+       #if (defined(USB_CAN_BE_DEVICE) && (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)))
+       if (USB_CurrentMode == USB_MODE_DEVICE)
+       {
+               if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
+                 USB_Device_SetLowSpeed();
+               else
+                 USB_Device_SetFullSpeed();
+       }
+       #endif
+       
+       #if (defined(USB_CAN_BE_DEVICE) && !defined(FIXED_CONTROL_ENDPOINT_SIZE))
+       if (USB_CurrentMode == USB_MODE_DEVICE)
+       {
+               USB_Descriptor_Device_t* DeviceDescriptorPtr;
+
+               if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)
+               {                 
+                       #if defined(USE_RAM_DESCRIPTORS)
+                       USB_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
+                       #elif defined(USE_EEPROM_DESCRIPTORS)
+                       USB_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
+                       #else
+                       USB_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
+                       #endif
+               }
+       }
+       #endif
+
+       USB_Attach();
+       
+       #if defined(USB_DEVICE_ONLY)
+       USB_INT_Clear(USB_INT_SUSPEND);
+       USB_INT_Enable(USB_INT_SUSPEND);
+       USB_INT_Clear(USB_INT_EORSTI);
+       USB_INT_Enable(USB_INT_EORSTI);
+
+       #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+       USB_INT_Enable(USB_INT_VBUS);
+       #endif
+       #elif defined(USB_HOST_ONLY)
+       USB_Host_HostMode_On();
+       
+       USB_Host_VBUS_Auto_Off();
+       USB_OTGPAD_Off();
+
+       USB_Host_VBUS_Manual_Enable();
+       USB_Host_VBUS_Manual_On();
+       
+       USB_INT_Enable(USB_INT_SRPI);
+       USB_INT_Enable(USB_INT_BCERRI);
+       #else
+       if (USB_CurrentMode == USB_MODE_DEVICE)
+       {
+               USB_INT_Clear(USB_INT_SUSPEND);
+               USB_INT_Enable(USB_INT_SUSPEND);
+               USB_INT_Clear(USB_INT_EORSTI);
+               USB_INT_Enable(USB_INT_EORSTI);
+
+               #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
+               USB_INT_Enable(USB_INT_VBUS);
+               #endif
+
+               #if defined(CONTROL_ONLY_DEVICE)
+               UENUM = ENDPOINT_CONTROLEP;
+               #endif
+       }
+       else if (USB_CurrentMode == USB_MODE_HOST)
+       {
+               USB_Host_HostMode_On();
+               
+               USB_Host_VBUS_Auto_Off();
+               USB_OTGPAD_Off();
+
+               USB_Host_VBUS_Manual_Enable();
+               USB_Host_VBUS_Manual_On();
+               
+               USB_INT_Enable(USB_INT_SRPI);
+               USB_INT_Enable(USB_INT_BCERRI);
+       }
+       #endif
+}