diff options
Diffstat (limited to 'protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c')
| m--------- | protocol/lufa/LUFA-git | 0 | ||||
| -rw-r--r-- | protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c | 422 |
2 files changed, 422 insertions, 0 deletions
diff --git a/protocol/lufa/LUFA-git b/protocol/lufa/LUFA-git deleted file mode 160000 -Subproject b6c18b2a7c544653efbe12a1d4e8ba65e7d83c3 diff --git a/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c b/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c new file mode 100644 index 0000000000..ac8d5dc5c7 --- /dev/null +++ b/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c @@ -0,0 +1,422 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2014. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2014 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 disclaims 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 "../../Core/USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#define __INCLUDE_FROM_AOA_DRIVER +#define __INCLUDE_FROM_ANDROIDACCESSORY_HOST_C +#include "AndroidAccessoryClassHost.h" + +bool AOA_Host_ValidateAccessoryDevice(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo, + const USB_Descriptor_Device_t* const DeviceDescriptor, + bool* const NeedModeSwitch) +{ + (void)AOAInterfaceInfo; + + if (DeviceDescriptor->Header.Type != DTYPE_Device) + return false; + + *NeedModeSwitch = ((DeviceDescriptor->ProductID != ANDROID_ACCESSORY_PRODUCT_ID) && + (DeviceDescriptor->ProductID != ANDROID_ACCESSORY_ADB_PRODUCT_ID)); + + return true; +} + +uint8_t AOA_Host_ConfigurePipes(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo, + uint16_t ConfigDescriptorSize, + void* ConfigDescriptorData) +{ + USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; + USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; + USB_Descriptor_Interface_t* AOAInterface = NULL; + + memset(&AOAInterfaceInfo->State, 0x00, sizeof(AOAInterfaceInfo->State)); + + if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) + return AOA_ENUMERROR_InvalidConfigDescriptor; + + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_AOA_Host_NextAndroidAccessoryInterface) != DESCRIPTOR_SEARCH_COMP_Found) + { + return AOA_ENUMERROR_NoCompatibleInterfaceFound; + } + + AOAInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); + + while (!(DataINEndpoint) || !(DataOUTEndpoint)) + { + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_AOA_Host_NextInterfaceBulkEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + { + return AOA_ENUMERROR_NoCompatibleInterfaceFound; + } + + USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); + + if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN) + DataINEndpoint = EndpointData; + else + DataOUTEndpoint = EndpointData; + } + + AOAInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize); + AOAInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress; + AOAInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK; + + AOAInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize); + AOAInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress; + AOAInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK; + + if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataINPipe, 1))) + return AOA_ENUMERROR_PipeConfigurationFailed; + + if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataOUTPipe, 1))) + return AOA_ENUMERROR_PipeConfigurationFailed; + + AOAInterfaceInfo->State.IsActive = true; + AOAInterfaceInfo->State.InterfaceNumber = AOAInterface->InterfaceNumber; + + return AOA_ENUMERROR_NoError; +} + +static uint8_t DCOMP_AOA_Host_NextAndroidAccessoryInterface(void* const CurrentDescriptor) +{ + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Interface) + { + USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t); + + if ((Interface->Class == AOA_CSCP_AOADataClass) && + (Interface->SubClass == AOA_CSCP_AOADataSubclass) && + (Interface->Protocol == AOA_CSCP_AOADataProtocol)) + { + return DESCRIPTOR_SEARCH_Found; + } + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +static uint8_t DCOMP_AOA_Host_NextInterfaceBulkEndpoint(void* const CurrentDescriptor) +{ + USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t); + + if (Header->Type == DTYPE_Endpoint) + { + USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t); + + uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK); + + if ((EndpointType == EP_TYPE_BULK) && (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))) + return DESCRIPTOR_SEARCH_Found; + } + else if (Header->Type == DTYPE_Interface) + { + return DESCRIPTOR_SEARCH_Fail; + } + + return DESCRIPTOR_SEARCH_NotFound; +} + +void AOA_Host_USBTask(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive)) + return; + + #if !defined(NO_CLASS_DRIVER_AUTOFLUSH) + AOA_Host_Flush(AOAInterfaceInfo); + #endif +} + +uint8_t AOA_Host_StartAccessoryMode(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) +{ + uint8_t ErrorCode; + + uint16_t AccessoryProtocol; + if ((ErrorCode = AOA_Host_GetAccessoryProtocol(&AccessoryProtocol)) != HOST_WAITERROR_Successful) + return ErrorCode; + + if ((AccessoryProtocol != CPU_TO_LE16(AOA_PROTOCOL_AccessoryV1)) && (AccessoryProtocol != CPU_TO_LE16(AOA_PROTOCOL_AccessoryV2))) + return AOA_ERROR_LOGICAL_CMD_FAILED; + + for (uint8_t PropertyIndex = 0; PropertyIndex < AOA_STRING_TOTAL_STRINGS; PropertyIndex++) + { + if ((ErrorCode = AOA_Host_SendPropertyString(AOAInterfaceInfo, PropertyIndex)) != HOST_WAITERROR_Successful) + return ErrorCode; + } + + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE), + .bRequest = AOA_REQ_StartAccessoryMode, + .wValue = 0, + .wIndex = 0, + .wLength = 0, + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + return USB_Host_SendControlRequest(NULL); +} + +static uint8_t AOA_Host_GetAccessoryProtocol(uint16_t* const Protocol) +{ + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE), + .bRequest = AOA_REQ_GetAccessoryProtocol, + .wValue = 0, + .wIndex = 0, + .wLength = sizeof(uint16_t), + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + return USB_Host_SendControlRequest(Protocol); +} + +static uint8_t AOA_Host_SendPropertyString(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo, + const uint8_t StringIndex) +{ + const char* String = AOAInterfaceInfo->Config.PropertyStrings[StringIndex]; + + if (String == NULL) + String = ""; + + USB_ControlRequest = (USB_Request_Header_t) + { + .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE), + .bRequest = AOA_REQ_SendString, + .wValue = 0, + .wIndex = StringIndex, + .wLength = (strlen(String) + 1), + }; + + Pipe_SelectPipe(PIPE_CONTROLPIPE); + return USB_Host_SendControlRequest((char*)String); +} + +uint8_t AOA_Host_SendData(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo, + const void* const Buffer, + const uint16_t Length) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; + + uint8_t ErrorCode; + + Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address); + + Pipe_Unfreeze(); + ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL); + Pipe_Freeze(); + + return ErrorCode; +} + +uint8_t AOA_Host_SendString(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo, + const char* const String) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; + + uint8_t ErrorCode; + + Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address); + + Pipe_Unfreeze(); + ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL); + Pipe_Freeze(); + + return ErrorCode; +} + +uint8_t AOA_Host_SendByte(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo, + const uint8_t Data) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; + + uint8_t ErrorCode; + + Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_Unfreeze(); + + if (!(Pipe_IsReadWriteAllowed())) + { + Pipe_ClearOUT(); + + if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError) + return ErrorCode; + } + + Pipe_Write_8(Data); + Pipe_Freeze(); + + return PIPE_READYWAIT_NoError; +} + +uint16_t AOA_Host_BytesReceived(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive)) + return 0; + + Pipe_SelectPipe(AOAInterfaceInfo->Config.DataINPipe.Address); + Pipe_Unfreeze(); + + if (Pipe_IsINReceived()) + { + if (!(Pipe_BytesInPipe())) + { + Pipe_ClearIN(); + Pipe_Freeze(); + return 0; + } + else + { + Pipe_Freeze(); + return Pipe_BytesInPipe(); + } + } + else + { + Pipe_Freeze(); + + return 0; + } +} + +int16_t AOA_Host_ReceiveByte(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive)) + return -1; + + int16_t ReceivedByte = -1; + + Pipe_SelectPipe(AOAInterfaceInfo->Config.DataINPipe.Address); + Pipe_Unfreeze(); + + if (Pipe_IsINReceived()) + { + if (Pipe_BytesInPipe()) + ReceivedByte = Pipe_Read_8(); + + if (!(Pipe_BytesInPipe())) + Pipe_ClearIN(); + } + + Pipe_Freeze(); + + return ReceivedByte; +} + +uint8_t AOA_Host_Flush(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) +{ + if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; + + uint8_t ErrorCode; + + Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_Unfreeze(); + + if (!(Pipe_BytesInPipe())) + return PIPE_READYWAIT_NoError; + + bool BankFull = !(Pipe_IsReadWriteAllowed()); + + Pipe_ClearOUT(); + + if (BankFull) + { + if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError) + return ErrorCode; + + Pipe_ClearOUT(); + } + + Pipe_Freeze(); + + return PIPE_READYWAIT_NoError; +} + +#if defined(FDEV_SETUP_STREAM) +void AOA_Host_CreateStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo, + FILE* const Stream) +{ + *Stream = (FILE)FDEV_SETUP_STREAM(AOA_Host_putchar, AOA_Host_getchar, _FDEV_SETUP_RW); + fdev_set_udata(Stream, AOAInterfaceInfo); +} + +void AOA_Host_CreateBlockingStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo, + FILE* const Stream) +{ + *Stream = (FILE)FDEV_SETUP_STREAM(AOA_Host_putchar, AOA_Host_getchar_Blocking, _FDEV_SETUP_RW); + fdev_set_udata(Stream, AOAInterfaceInfo); +} + +static int AOA_Host_putchar(char c, + FILE* Stream) +{ + return AOA_Host_SendByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0; +} + +static int AOA_Host_getchar(FILE* Stream) +{ + int16_t ReceivedByte = AOA_Host_ReceiveByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream)); + + if (ReceivedByte < 0) + return _FDEV_EOF; + + return ReceivedByte; +} + +static int AOA_Host_getchar_Blocking(FILE* Stream) +{ + int16_t ReceivedByte; + + while ((ReceivedByte = AOA_Host_ReceiveByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream))) < 0) + { + if (USB_HostState == HOST_STATE_Unattached) + return _FDEV_EOF; + + AOA_Host_USBTask((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream)); + USB_USBTask(); + } + + return ReceivedByte; +} +#endif + +#endif + + |