mirror of
https://github.com/dougg3/mac-rom-simm-programmer.git
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263 lines
6.4 KiB
C
263 lines
6.4 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#define __INCLUDE_FROM_USB_DRIVER
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#define __INCLUDE_FROM_USB_CONTROLLER_C
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#include "../USBController.h"
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#if (!defined(USB_HOST_ONLY) && !defined(USB_DEVICE_ONLY))
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volatile uint8_t USB_CurrentMode = USB_MODE_None;
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#endif
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#if !defined(USE_STATIC_OPTIONS)
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volatile uint8_t USB_Options;
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#endif
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void USB_Init(
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#if defined(USB_CAN_BE_BOTH)
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const uint8_t Mode
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#endif
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#if (defined(USB_CAN_BE_BOTH) && !defined(USE_STATIC_OPTIONS))
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,
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#elif (!defined(USB_CAN_BE_BOTH) && defined(USE_STATIC_OPTIONS))
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void
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#endif
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#if !defined(USE_STATIC_OPTIONS)
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const uint8_t Options
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#endif
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)
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{
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#if !defined(USE_STATIC_OPTIONS)
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USB_Options = Options;
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#endif
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if (!(USB_Options & USB_OPT_REG_DISABLED))
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USB_REG_On();
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else
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USB_REG_Off();
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if (!(USB_Options & USB_OPT_MANUAL_PLL))
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{
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#if defined(USB_SERIES_4_AVR)
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PLLFRQ = (1 << PDIV2);
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#endif
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}
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#if defined(USB_CAN_BE_BOTH)
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if (Mode == USB_MODE_UID)
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{
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UHWCON |= (1 << UIDE);
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USB_INT_Enable(USB_INT_IDTI);
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USB_CurrentMode = USB_GetUSBModeFromUID();
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}
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else
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{
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UHWCON &= ~(1 << UIDE);
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USB_CurrentMode = Mode;
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}
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#endif
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USB_IsInitialized = true;
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USB_ResetInterface();
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}
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void USB_Disable(void)
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{
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USB_INT_DisableAllInterrupts();
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USB_INT_ClearAllInterrupts();
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USB_Detach();
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USB_Controller_Disable();
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if (!(USB_Options & USB_OPT_MANUAL_PLL))
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USB_PLL_Off();
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USB_REG_Off();
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#if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR)
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USB_OTGPAD_Off();
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#endif
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#if defined(USB_CAN_BE_BOTH)
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USB_CurrentMode = USB_MODE_None;
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#endif
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USB_IsInitialized = false;
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}
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void USB_ResetInterface(void)
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{
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#if defined(USB_CAN_BE_BOTH)
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bool UIDModeSelectEnabled = ((UHWCON & (1 << UIDE)) != 0);
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#endif
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USB_INT_DisableAllInterrupts();
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USB_INT_ClearAllInterrupts();
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USB_Controller_Reset();
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#if defined(USB_CAN_BE_BOTH)
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if (UIDModeSelectEnabled)
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USB_INT_Enable(USB_INT_IDTI);
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#endif
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USB_CLK_Unfreeze();
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if (USB_CurrentMode == USB_MODE_Device)
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{
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#if defined(USB_CAN_BE_DEVICE)
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#if (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
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UHWCON |= (1 << UIMOD);
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#endif
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if (!(USB_Options & USB_OPT_MANUAL_PLL))
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{
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#if defined(USB_SERIES_2_AVR)
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USB_PLL_On();
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while (!(USB_PLL_IsReady()));
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#else
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USB_PLL_Off();
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#endif
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}
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USB_Init_Device();
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#endif
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}
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else if (USB_CurrentMode == USB_MODE_Host)
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{
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#if defined(USB_CAN_BE_HOST)
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UHWCON &= ~(1 << UIMOD);
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if (!(USB_Options & USB_OPT_MANUAL_PLL))
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{
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#if defined(USB_CAN_BE_HOST)
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USB_PLL_On();
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while (!(USB_PLL_IsReady()));
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#endif
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}
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USB_Init_Host();
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#endif
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}
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#if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
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USB_OTGPAD_On();
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#endif
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}
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#if defined(USB_CAN_BE_DEVICE)
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static void USB_Init_Device(void)
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{
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USB_DeviceState = DEVICE_STATE_Unattached;
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USB_Device_ConfigurationNumber = 0;
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#if !defined(NO_DEVICE_REMOTE_WAKEUP)
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USB_Device_RemoteWakeupEnabled = false;
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#endif
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#if !defined(NO_DEVICE_SELF_POWER)
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USB_Device_CurrentlySelfPowered = false;
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#endif
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#if !defined(FIXED_CONTROL_ENDPOINT_SIZE)
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USB_Descriptor_Device_t* DeviceDescriptorPtr;
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#if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) && \
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!(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))
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uint8_t DescriptorAddressSpace;
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if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr, &DescriptorAddressSpace) != NO_DESCRIPTOR)
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{
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if (DescriptorAddressSpace == MEMSPACE_FLASH)
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USB_Device_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
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else if (DescriptorAddressSpace == MEMSPACE_EEPROM)
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USB_Device_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
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else
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USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
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}
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#else
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if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DeviceDescriptorPtr) != NO_DESCRIPTOR)
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{
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#if defined(USE_RAM_DESCRIPTORS)
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USB_Device_ControlEndpointSize = DeviceDescriptorPtr->Endpoint0Size;
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#elif defined(USE_EEPROM_DESCRIPTORS)
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USB_Device_ControlEndpointSize = eeprom_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
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#else
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USB_Device_ControlEndpointSize = pgm_read_byte(&DeviceDescriptorPtr->Endpoint0Size);
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#endif
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}
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#endif
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#endif
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#if (defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))
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if (USB_Options & USB_DEVICE_OPT_LOWSPEED)
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USB_Device_SetLowSpeed();
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else
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USB_Device_SetFullSpeed();
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USB_INT_Enable(USB_INT_VBUSTI);
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#endif
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Endpoint_ConfigureEndpoint(ENDPOINT_CONTROLEP, EP_TYPE_CONTROL,
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ENDPOINT_DIR_OUT, USB_Device_ControlEndpointSize,
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ENDPOINT_BANK_SINGLE);
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USB_INT_Clear(USB_INT_SUSPI);
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USB_INT_Enable(USB_INT_SUSPI);
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USB_INT_Enable(USB_INT_EORSTI);
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USB_Attach();
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}
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#endif
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#if defined(USB_CAN_BE_HOST)
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static void USB_Init_Host(void)
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{
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USB_HostState = HOST_STATE_Unattached;
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USB_Host_ConfigurationNumber = 0;
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USB_Host_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE;
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USB_Host_HostMode_On();
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USB_Host_VBUS_Auto_Off();
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USB_Host_VBUS_Manual_Enable();
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USB_Host_VBUS_Manual_On();
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USB_INT_Enable(USB_INT_SRPI);
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USB_INT_Enable(USB_INT_BCERRI);
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USB_Attach();
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}
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#endif
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