--- /dev/null
+/*\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
+ if (!(USB_Options & USB_OPT_REG_DISABLED))\r
+ USB_REG_On();\r
+ else\r
+ USB_REG_Off();\r
+\r
+ #if defined(USB_CAN_BE_BOTH)\r
+ if (Mode == USB_MODE_UID)\r
+ {\r
+ UHWCON |= (1 << UIDE);\r
+ USB_INT_Enable(USB_INT_IDTI);\r
+ USB_CurrentMode = USB_GetUSBModeFromUID();\r
+ }\r
+ else\r
+ {\r
+ USB_CurrentMode = Mode;\r
+ }\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
+ 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
+ USB_CurrentMode = USB_MODE_None;\r
+ #endif\r
+\r
+ USB_IsInitialized = false;\r
+}\r
+\r
+void USB_ResetInterface(void)\r
+{\r
+ #if defined(USB_CAN_BE_BOTH)\r
+ bool UIDModeSelectEnabled = ((UHWCON & (1 << UIDE)) != 0);\r
+ #endif\r
+\r
+ USB_INT_DisableAllInterrupts();\r
+ USB_INT_ClearAllInterrupts();\r
+\r
+ USB_Controller_Reset();\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
+ #if defined(USB_CAN_BE_BOTH)\r
+ if (UIDModeSelectEnabled)\r
+ {\r
+ UHWCON |= (1 << UIDE);\r
+ USB_INT_Enable(USB_INT_IDTI);\r
+ }\r
+ #endif\r
+\r
+ USB_CLK_Unfreeze();\r
+\r
+ if (USB_CurrentMode == USB_MODE_Device)\r
+ {\r
+ #if defined(USB_CAN_BE_DEVICE)\r
+ #if (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))\r
+ UHWCON |= (1 << UIMOD);\r
+ #endif\r
+\r
+ USB_Init_Device();\r
+ #endif\r
+ }\r
+ else if (USB_CurrentMode == USB_MODE_Host)\r
+ {\r
+ #if defined(USB_CAN_BE_HOST)\r
+ UHWCON &= ~(1 << UIMOD);\r
+\r
+ USB_Init_Host();\r
+ #endif\r
+ }\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
+\r
+#if defined(USB_CAN_BE_DEVICE)\r
+static void USB_Init_Device(void)\r
+{\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
+\r
+ #if !defined(FIXED_CONTROL_ENDPOINT_SIZE)\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
+ #endif\r
+\r
+ #if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))\r
+ if (USB_Options & USB_DEVICE_OPT_LOWSPEED)\r
+ USB_Device_SetLowSpeed();\r
+ else\r
+ USB_Device_SetFullSpeed();\r
+\r
+ USB_INT_Enable(USB_INT_VBUS);\r
+ #endif\r
+\r
+ Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,\r
+ ENDPOINT_DIR_OUT, USB_ControlEndpointSize,\r
+ ENDPOINT_BANK_SINGLE);\r
+\r
+ USB_INT_Clear(USB_INT_SUSPI);\r
+ USB_INT_Enable(USB_INT_SUSPI);\r
+ USB_INT_Enable(USB_INT_EORSTI);\r
+\r
+ USB_Attach();\r
+}\r
+#endif\r
+\r
+#if defined(USB_CAN_BE_HOST)\r
+static void USB_Init_Host(void)\r
+{\r
+ USB_HostState = HOST_STATE_Unattached;\r
+ USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;\r
+\r
+ USB_Host_HostMode_On();\r
+\r
+ USB_Host_VBUS_Auto_Off();\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
+ USB_Attach();\r
+}\r
+#endif\r
+\r
projects / pub / lufa.git / blobdiff