+++ /dev/null
-/*
- 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
-#include "USBMode.h"
-
-#if defined(USB_CAN_BE_DEVICE)
-
-#define __INCLUDE_FROM_DEVICESTDREQ_C
-#include "DeviceStandardReq.h"
-
-uint8_t USB_ConfigurationNumber;
-
-#if !defined(NO_DEVICE_SELF_POWER)
-bool USB_CurrentlySelfPowered;
-#endif
-
-#if !defined(NO_DEVICE_REMOTE_WAKEUP)
-bool USB_RemoteWakeupEnabled;
-#endif
-
-void USB_Device_ProcessControlRequest(void)
-{
- uint8_t* RequestHeader = (uint8_t*)&USB_ControlRequest;
-
- for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++)
- *(RequestHeader++) = Endpoint_Read_Byte();
-
- EVENT_USB_Device_ControlRequest();
-
- if (Endpoint_IsSETUPReceived())
- {
- uint8_t bmRequestType = USB_ControlRequest.bmRequestType;
-
- switch (USB_ControlRequest.bRequest)
- {
- case REQ_GetStatus:
- if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
- (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT)))
- {
- USB_Device_GetStatus();
- }
-
- break;
- case REQ_ClearFeature:
- case REQ_SetFeature:
- if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) ||
- (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT)))
- {
- USB_Device_ClearSetFeature();
- }
-
- break;
- case REQ_SetAddress:
- if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
- USB_Device_SetAddress();
-
- break;
- case REQ_GetDescriptor:
- if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
- (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE)))
- {
- USB_Device_GetDescriptor();
- }
-
- break;
- case REQ_GetConfiguration:
- if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE))
- USB_Device_GetConfiguration();
-
- break;
- case REQ_SetConfiguration:
- if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
- USB_Device_SetConfiguration();
-
- break;
- }
- }
-
- if (Endpoint_IsSETUPReceived())
- {
- Endpoint_StallTransaction();
- Endpoint_ClearSETUP();
- }
-}
-
-static void USB_Device_SetAddress(void)
-{
- uint8_t DeviceAddress = (USB_ControlRequest.wValue & 0x7F);
-
- ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
- {
- Endpoint_ClearSETUP();
-
- Endpoint_ClearStatusStage();
-
- while (!(Endpoint_IsINReady()));
-
- USB_Device_SetDeviceAddress(DeviceAddress);
- }
-
- USB_DeviceState = (DeviceAddress) ? DEVICE_STATE_Addressed : DEVICE_STATE_Default;
-}
-
-static void USB_Device_SetConfiguration(void)
-{
- #if defined(FIXED_NUM_CONFIGURATIONS)
- if ((uint8_t)USB_ControlRequest.wValue > FIXED_NUM_CONFIGURATIONS)
- return;
- #else
- USB_Descriptor_Device_t* DevDescriptorPtr;
-
- #if defined(USE_FLASH_DESCRIPTORS)
- #define MemoryAddressSpace MEMSPACE_FLASH
- #elif defined(USE_EEPROM_DESCRIPTORS)
- #define MemoryAddressSpace MEMSPACE_EEPROM
- #elif defined(USE_SRAM_DESCRIPTORS)
- #define MemoryAddressSpace MEMSPACE_SRAM
- #else
- uint8_t MemoryAddressSpace;
- #endif
-
- if (CALLBACK_USB_GetDescriptor((DTYPE_Device << 8), 0, (void*)&DevDescriptorPtr
- #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
- , &MemoryAddressSpace
- #endif
- ) == NO_DESCRIPTOR)
- {
- return;
- }
-
- if (MemoryAddressSpace == MEMSPACE_FLASH)
- {
- if (((uint8_t)USB_ControlRequest.wValue > pgm_read_byte(&DevDescriptorPtr->NumberOfConfigurations)))
- return;
- }
- else if (MemoryAddressSpace == MEMSPACE_EEPROM)
- {
- if (((uint8_t)USB_ControlRequest.wValue > eeprom_read_byte(&DevDescriptorPtr->NumberOfConfigurations)))
- return;
- }
- else
- {
- if ((uint8_t)USB_ControlRequest.wValue > DevDescriptorPtr->NumberOfConfigurations)
- return;
- }
- #endif
-
- Endpoint_ClearSETUP();
-
- USB_ConfigurationNumber = (uint8_t)USB_ControlRequest.wValue;
-
- Endpoint_ClearStatusStage();
-
- if (USB_ConfigurationNumber)
- USB_DeviceState = DEVICE_STATE_Configured;
- else
- USB_DeviceState = (USB_Device_IsAddressSet()) ? DEVICE_STATE_Configured : DEVICE_STATE_Powered;
-
- EVENT_USB_Device_ConfigurationChanged();
-}
-
-static void USB_Device_GetConfiguration(void)
-{
- Endpoint_ClearSETUP();
-
- Endpoint_Write_Byte(USB_ConfigurationNumber);
- Endpoint_ClearIN();
-
- Endpoint_ClearStatusStage();
-}
-
-#if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR)
-static void USB_Device_GetInternalSerialDescriptor(void)
-{
- struct
- {
- USB_Descriptor_Header_t Header;
- wchar_t UnicodeString[20];
- } SignatureDescriptor;
-
- SignatureDescriptor.Header.Type = DTYPE_String;
- SignatureDescriptor.Header.Size = sizeof(SignatureDescriptor);
-
- ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
- {
- uint8_t SigReadAddress = 0x0E;
-
- for (uint8_t SerialCharNum = 0; SerialCharNum < 20; SerialCharNum++)
- {
- uint8_t SerialByte = boot_signature_byte_get(SigReadAddress);
-
- if (SerialCharNum & 0x01)
- {
- SerialByte >>= 4;
- SigReadAddress++;
- }
-
- SerialByte &= 0x0F;
-
- SignatureDescriptor.UnicodeString[SerialCharNum] = (SerialByte >= 10) ?
- (('A' - 10) + SerialByte) : ('0' + SerialByte);
- }
- }
-
- Endpoint_ClearSETUP();
-
- Endpoint_Write_Control_Stream_LE(&SignatureDescriptor, sizeof(SignatureDescriptor));
-
- Endpoint_ClearOUT();
-}
-#endif
-
-static void USB_Device_GetDescriptor(void)
-{
- const void* DescriptorPointer;
- uint16_t DescriptorSize;
-
- #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
- uint8_t DescriptorAddressSpace;
- #endif
-
- #if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR)
- if (USB_ControlRequest.wValue == ((DTYPE_String << 8) | USE_INTERNAL_SERIAL))
- {
- USB_Device_GetInternalSerialDescriptor();
- return;
- }
- #endif
-
- if ((DescriptorSize = CALLBACK_USB_GetDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex,
- &DescriptorPointer
- #if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
- , &DescriptorAddressSpace
- #endif
- )) == NO_DESCRIPTOR)
- {
- return;
- }
-
- Endpoint_ClearSETUP();
-
- #if defined(USE_RAM_DESCRIPTORS)
- Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
- #elif defined(USE_EEPROM_DESCRIPTORS)
- Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
- #elif defined(USE_FLASH_DESCRIPTORS)
- Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
- #else
- if (DescriptorAddressSpace == MEMSPACE_FLASH)
- Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
- else if (DescriptorAddressSpace == MEMSPACE_EEPROM)
- Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
- else
- Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
- #endif
-
- Endpoint_ClearOUT();
-}
-
-static void USB_Device_GetStatus(void)
-{
- uint8_t CurrentStatus = 0;
-
- switch (USB_ControlRequest.bmRequestType)
- {
- #if !defined(NO_DEVICE_SELF_POWER) || !defined(NO_DEVICE_REMOTE_WAKEUP)
- case (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE):
- #if !defined(NO_DEVICE_SELF_POWER)
- if (USB_CurrentlySelfPowered)
- CurrentStatus |= FEATURE_SELFPOWERED_ENABLED;
- #endif
-
- #if !defined(NO_DEVICE_REMOTE_WAKEUP)
- if (USB_RemoteWakeupEnabled)
- CurrentStatus |= FEATURE_REMOTE_WAKEUP_ENABLED;
- #endif
- break;
- #endif
- #if !defined(CONTROL_ONLY_DEVICE)
- case (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT):
- Endpoint_SelectEndpoint((uint8_t)USB_ControlRequest.wIndex & ENDPOINT_EPNUM_MASK);
-
- CurrentStatus = Endpoint_IsStalled();
-
- Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
-
- break;
- #endif
- default:
- return;
- }
-
- Endpoint_ClearSETUP();
-
- Endpoint_Write_Word_LE(CurrentStatus);
- Endpoint_ClearIN();
-
- Endpoint_ClearStatusStage();
-}
-
-static void USB_Device_ClearSetFeature(void)
-{
- switch (USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_RECIPIENT)
- {
- #if !defined(NO_DEVICE_REMOTE_WAKEUP)
- case REQREC_DEVICE:
- if ((uint8_t)USB_ControlRequest.wValue == FEATURE_SEL_DeviceRemoteWakeup)
- USB_RemoteWakeupEnabled = (USB_ControlRequest.bRequest == REQ_SetFeature);
- else
- return;
-
- break;
- #endif
- #if !defined(CONTROL_ONLY_DEVICE)
- case REQREC_ENDPOINT:
- if ((uint8_t)USB_ControlRequest.wValue == FEATURE_SEL_EndpointHalt)
- {
- uint8_t EndpointIndex = ((uint8_t)USB_ControlRequest.wIndex & ENDPOINT_EPNUM_MASK);
-
- if (EndpointIndex == ENDPOINT_CONTROLEP)
- return;
-
- Endpoint_SelectEndpoint(EndpointIndex);
-
- if (Endpoint_IsEnabled())
- {
- if (USB_ControlRequest.bRequest == REQ_SetFeature)
- {
- Endpoint_StallTransaction();
- }
- else
- {
- Endpoint_ClearStall();
- Endpoint_ResetFIFO(EndpointIndex);
- Endpoint_ResetDataToggle();
- }
- }
- }
-
- break;
- #endif
- default:
- return;
- }
-
- Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
-
- Endpoint_ClearSETUP();
-
- Endpoint_ClearStatusStage();
-}
-
-#endif
-
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