+++ /dev/null
-/*
- 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
-}
projects / pub / lufa.git / blobdiff