X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/47f6a35013b2c6a370e5dce29aa6da3a96844695..44bc433fb0694ecea05bf35d001f3e5d846b7ec4:/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c diff --git a/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c b/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c index 7c564e012..1871df146 100644 --- a/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c +++ b/LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c @@ -1,422 +1,422 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2012. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2012 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 "../../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 false; - - if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataOUTPipe, 1))) - return false; - - 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)) - 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 uint8_t* 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 - +/* + LUFA Library + Copyright (C) Dean Camera, 2013. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2013 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 false; + + if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataOUTPipe, 1))) + return false; + + 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 +