X-Git-Url: http://git.linex4red.de/pub/lufa.git/blobdiff_plain/3e044872790072838c2d1d0370b98b6ebf4fea93..eb2e883fd35b5332a7425488105a7adb500ce3fe:/LUFA/Drivers/USB/Class/Host/CDC.c diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c deleted file mode 100644 index 2b9835996..000000000 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ /dev/null @@ -1,513 +0,0 @@ -/* - 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 "../../Core/USBMode.h" - -#if defined(USB_CAN_BE_HOST) - -#define __INCLUDE_FROM_CDC_DRIVER -#define __INCLUDE_FROM_CDC_HOST_C -#include "CDC.h" - -uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - uint16_t ConfigDescriptorSize, - void* ConfigDescriptorData) -{ - USB_Descriptor_Endpoint_t* DataINEndpoint = NULL; - USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL; - USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL; - USB_Descriptor_Interface_t* CDCControlInterface = NULL; - - memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State)); - - if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration) - return CDC_ENUMERROR_InvalidConfigDescriptor; - - while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint)) - { - if (!(CDCControlInterface) || - USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DCOMP_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) - { - if (NotificationEndpoint) - { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DCOMP_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return CDC_ENUMERROR_NoCompatibleInterfaceFound; - } - - DataINEndpoint = NULL; - DataOUTEndpoint = NULL; - } - else - { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DCOMP_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return CDC_ENUMERROR_NoCompatibleInterfaceFound; - } - - CDCControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t); - - NotificationEndpoint = NULL; - } - - continue; - } - - USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t); - - if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN) - { - if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) - NotificationEndpoint = EndpointData; - else - DataINEndpoint = EndpointData; - } - else - { - DataOUTEndpoint = EndpointData; - } - } - - for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++) - { - uint16_t Size; - uint8_t Type; - uint8_t Token; - uint8_t EndpointAddress; - uint8_t InterruptPeriod; - bool DoubleBanked; - - if (PipeNum == CDCInterfaceInfo->Config.DataINPipeNumber) - { - Size = le16_to_cpu(DataINEndpoint->EndpointSize); - EndpointAddress = DataINEndpoint->EndpointAddress; - Token = PIPE_TOKEN_IN; - Type = EP_TYPE_BULK; - DoubleBanked = CDCInterfaceInfo->Config.DataINPipeDoubleBank; - InterruptPeriod = 0; - - CDCInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; - } - else if (PipeNum == CDCInterfaceInfo->Config.DataOUTPipeNumber) - { - Size = le16_to_cpu(DataOUTEndpoint->EndpointSize); - EndpointAddress = DataOUTEndpoint->EndpointAddress; - Token = PIPE_TOKEN_OUT; - Type = EP_TYPE_BULK; - DoubleBanked = CDCInterfaceInfo->Config.DataOUTPipeDoubleBank; - InterruptPeriod = 0; - - CDCInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; - } - else if (PipeNum == CDCInterfaceInfo->Config.NotificationPipeNumber) - { - Size = le16_to_cpu(NotificationEndpoint->EndpointSize); - EndpointAddress = NotificationEndpoint->EndpointAddress; - Token = PIPE_TOKEN_IN; - Type = EP_TYPE_INTERRUPT; - DoubleBanked = CDCInterfaceInfo->Config.NotificationPipeDoubleBank; - InterruptPeriod = NotificationEndpoint->PollingIntervalMS; - - CDCInterfaceInfo->State.NotificationPipeSize = NotificationEndpoint->EndpointSize; - } - else - { - continue; - } - - if (!(Pipe_ConfigurePipe(PipeNum, Type, Token, EndpointAddress, Size, - DoubleBanked ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE))) - { - return CDC_ENUMERROR_PipeConfigurationFailed; - } - - if (InterruptPeriod) - Pipe_SetInterruptPeriod(InterruptPeriod); - } - - CDCInterfaceInfo->State.ControlInterfaceNumber = CDCControlInterface->InterfaceNumber; - CDCInterfaceInfo->State.ControlLineStates.HostToDevice = (CDC_CONTROL_LINE_OUT_RTS | CDC_CONTROL_LINE_OUT_DTR); - CDCInterfaceInfo->State.ControlLineStates.DeviceToHost = (CDC_CONTROL_LINE_IN_DCD | CDC_CONTROL_LINE_IN_DSR); - CDCInterfaceInfo->State.IsActive = true; - - return CDC_ENUMERROR_NoError; -} - -static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(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 == CDC_CSCP_CDCClass) && - (Interface->SubClass == CDC_CSCP_ACMSubclass) && - (Interface->Protocol == CDC_CSCP_ATCommandProtocol)) - { - return DESCRIPTOR_SEARCH_Found; - } - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(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 == CDC_CSCP_CDCDataClass) && - (Interface->SubClass == CDC_CSCP_NoDataSubclass) && - (Interface->Protocol == CDC_CSCP_NoDataProtocol)) - { - return DESCRIPTOR_SEARCH_Found; - } - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(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) || (EndpointType == EP_TYPE_INTERRUPT)) && - !(Pipe_IsEndpointBound(Endpoint->EndpointAddress))) - { - return DESCRIPTOR_SEARCH_Found; - } - } - else if (Header->Type == DTYPE_Interface) - { - return DESCRIPTOR_SEARCH_Fail; - } - - return DESCRIPTOR_SEARCH_NotFound; -} - -void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return; - - Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber); - Pipe_Unfreeze(); - - if (Pipe_IsINReceived()) - { - USB_Request_Header_t Notification; - Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL); - - if ((Notification.bRequest == CDC_NOTIF_SerialState) && - (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))) - { - Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost, - sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost), - NULL); - - Pipe_ClearIN(); - - EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo); - } - else - { - Pipe_ClearIN(); - } - } - - Pipe_Freeze(); - - #if !defined(NO_CLASS_DRIVER_AUTOFLUSH) - CDC_Host_Flush(CDCInterfaceInfo); - #endif -} - -uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = CDC_REQ_SetLineEncoding, - .wValue = 0, - .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber, - .wLength = sizeof(CDCInterfaceInfo->State.LineEncoding), - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding); -} - -uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = CDC_REQ_SetControlLineState, - .wValue = CDCInterfaceInfo->State.ControlLineStates.HostToDevice, - .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber, - .wLength = 0, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(NULL); -} - -uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const uint8_t Duration) -{ - USB_ControlRequest = (USB_Request_Header_t) - { - .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = CDC_REQ_SendBreak, - .wValue = Duration, - .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber, - .wLength = 0, - }; - - Pipe_SelectPipe(PIPE_CONTROLPIPE); - - return USB_Host_SendControlRequest(NULL); -} - -uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const uint8_t* const Buffer, - const uint16_t Length) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return PIPE_READYWAIT_DeviceDisconnected; - - uint8_t ErrorCode; - - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); - - Pipe_Unfreeze(); - ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL); - Pipe_Freeze(); - - return ErrorCode; -} - -uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const char* const String) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return PIPE_READYWAIT_DeviceDisconnected; - - uint8_t ErrorCode; - - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); - - Pipe_Unfreeze(); - ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL); - Pipe_Freeze(); - - return ErrorCode; -} - -uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const uint8_t Data) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return PIPE_READYWAIT_DeviceDisconnected; - - uint8_t ErrorCode; - - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); - 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 CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return 0; - - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); - 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 CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return -1; - - int16_t ReceivedByte = -1; - - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); - Pipe_Unfreeze(); - - if (Pipe_IsINReceived()) - { - if (Pipe_BytesInPipe()) - ReceivedByte = Pipe_Read_8(); - - if (!(Pipe_BytesInPipe())) - Pipe_ClearIN(); - } - - Pipe_Freeze(); - - return ReceivedByte; -} - -uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return PIPE_READYWAIT_DeviceDisconnected; - - uint8_t ErrorCode; - - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); - 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 CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - FILE* const Stream) -{ - *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar, _FDEV_SETUP_RW); - fdev_set_udata(Stream, CDCInterfaceInfo); -} - -void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - FILE* const Stream) -{ - *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar_Blocking, _FDEV_SETUP_RW); - fdev_set_udata(Stream, CDCInterfaceInfo); -} - -static int CDC_Host_putchar(char c, - FILE* Stream) -{ - return CDC_Host_SendByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0; -} - -static int CDC_Host_getchar(FILE* Stream) -{ - int16_t ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); - - if (ReceivedByte < 0) - return _FDEV_EOF; - - return ReceivedByte; -} - -static int CDC_Host_getchar_Blocking(FILE* Stream) -{ - int16_t ReceivedByte; - - while ((ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))) < 0) - { - if (USB_HostState == HOST_STATE_Unattached) - return _FDEV_EOF; - - CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); - USB_USBTask(); - } - - return ReceivedByte; -} -#endif - -void CDC_Host_Event_Stub(void) -{ - -} - -#endif -