X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/071e02c6b6b4837fa9cf0b6d4c749994e02638d7..d36c96d6a526f74e3853466bcecf49261c58b9bd:/LUFA/Drivers/USB/Class/Host/CDC.c?ds=inline diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c index 3d158fb75..0f81d0ea4 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ b/LUFA/Drivers/USB/Class/Host/CDC.c @@ -36,110 +36,106 @@ #define __INCLUDE_FROM_CDC_DRIVER #include "CDC.h" -uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, uint16_t ConfigDescriptorSize, +uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + uint16_t ConfigDescriptorSize, void* ConfigDescriptorData) { - uint8_t FoundEndpoints = 0; + 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; - - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) - { - return CDC_ENUMERROR_NoCDCInterfaceFound; - } - - CDCInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber; - while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT)) + while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint)) { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + if (!(CDCControlInterface) || + USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { - if (FoundEndpoints & CDC_FOUND_NOTIFICATION_IN) + if (NotificationEndpoint) { - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) + if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, + DCOMP_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) { - return CDC_ENUMERROR_NoCDCInterfaceFound; - } + return CDC_ENUMERROR_NoCompatibleInterfaceFound; + } + + DataINEndpoint = NULL; + DataOUTEndpoint = NULL; } else { - FoundEndpoints = 0; - - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); - Pipe_DisablePipe(); - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber); - Pipe_DisablePipe(); - Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber); - Pipe_DisablePipe(); - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) + DCOMP_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found) { - return CDC_ENUMERROR_NoCDCInterfaceFound; + return CDC_ENUMERROR_NoCompatibleInterfaceFound; } - } - if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) - { - return CDC_ENUMERROR_EndpointsNotFound; + 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->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) + if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) { - if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) - { - Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - CDCInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - CDCInterfaceInfo->State.NotificationPipeSize = EndpointData->EndpointSize; - - Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS); - - FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN; - } + if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) + NotificationEndpoint = EndpointData; + else + DataINEndpoint = EndpointData; } else { - if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) - { - Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); + DataOUTEndpoint = EndpointData; + } + } + + for (uint8_t PipeNum = 1; PipeNum < PIPE_TOTAL_PIPES; PipeNum++) + { + if (PipeNum == CDCInterfaceInfo->Config.DataINPipeNumber) + { + Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_IN, + DataINEndpoint->EndpointAddress, DataINEndpoint->EndpointSize, + CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize; + CDCInterfaceInfo->State.DataINPipeSize = DataINEndpoint->EndpointSize; + } + else if (PipeNum == CDCInterfaceInfo->Config.DataOUTPipeNumber) + { + Pipe_ConfigurePipe(PipeNum, EP_TYPE_BULK, PIPE_TOKEN_OUT, + DataOUTEndpoint->EndpointAddress, DataOUTEndpoint->EndpointSize, + CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - FoundEndpoints |= CDC_FOUND_DATAPIPE_IN; - } - else - { - Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, - EndpointData->EndpointAddress, EndpointData->EndpointSize, - CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); - - CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize; - - FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT; - } + CDCInterfaceInfo->State.DataOUTPipeSize = DataOUTEndpoint->EndpointSize; + } + else if (PipeNum == CDCInterfaceInfo->Config.NotificationPipeNumber) + { + Pipe_ConfigurePipe(PipeNum, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, + NotificationEndpoint->EndpointAddress, NotificationEndpoint->EndpointSize, + CDCInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); + Pipe_SetInterruptPeriod(NotificationEndpoint->PollingIntervalMS); + + CDCInterfaceInfo->State.NotificationPipeSize = NotificationEndpoint->EndpointSize; } } + 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) +static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) { @@ -148,7 +144,7 @@ static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* const CurrentDescrip if ((CurrentInterface->Class == CDC_CONTROL_CLASS) && (CurrentInterface->SubClass == CDC_CONTROL_SUBCLASS) && - (CurrentInterface->Protocol == CDC_CONTROL_PROTOCOL)) + (CurrentInterface->Protocol == CDC_CONTROL_PROTOCOL)) { return DESCRIPTOR_SEARCH_Found; } @@ -157,7 +153,7 @@ static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* const CurrentDescrip return DESCRIPTOR_SEARCH_NotFound; } -static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor) +static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) { @@ -166,7 +162,7 @@ static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor if ((CurrentInterface->Class == CDC_DATA_CLASS) && (CurrentInterface->SubClass == CDC_DATA_SUBCLASS) && - (CurrentInterface->Protocol == CDC_DATA_PROTOCOL)) + (CurrentInterface->Protocol == CDC_DATA_PROTOCOL)) { return DESCRIPTOR_SEARCH_Found; } @@ -175,7 +171,7 @@ static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor return DESCRIPTOR_SEARCH_NotFound; } -static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor) +static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) { @@ -204,7 +200,6 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) return; Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber); - Pipe_SetPipeToken(PIPE_TOKEN_IN); Pipe_Unfreeze(); if (Pipe_IsINReceived()) @@ -212,21 +207,26 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) USB_Request_Header_t Notification; Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK); - if ((Notification.bRequest == NOTIF_SerialState) && + 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), NO_STREAM_CALLBACK); - } - - Pipe_ClearIN(); + Pipe_ClearIN(); - EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo); + EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo); + } + else + { + Pipe_ClearIN(); + } } Pipe_Freeze(); + + CDC_Host_Flush(CDCInterfaceInfo); } uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) @@ -234,7 +234,7 @@ uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInf USB_ControlRequest = (USB_Request_Header_t) { .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = REQ_SetLineEncoding, + .bRequest = CDC_REQ_SetLineEncoding, .wValue = 0, .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber, .wLength = sizeof(CDCInterfaceInfo->State.LineEncoding), @@ -250,7 +250,7 @@ uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCI USB_ControlRequest = (USB_Request_Header_t) { .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE), - .bRequest = REQ_SetControlLineState, + .bRequest = CDC_REQ_SetControlLineState, .wValue = CDCInterfaceInfo->State.ControlLineStates.HostToDevice, .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber, .wLength = 0, @@ -261,12 +261,13 @@ uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCI return USB_Host_SendControlRequest(NULL); } -uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Duration) +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 = REQ_SendBreak, + .bRequest = CDC_REQ_SendBreak, .wValue = Duration, .wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber, .wLength = 0, @@ -277,7 +278,9 @@ uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, con return USB_Host_SendControlRequest(NULL); } -uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, char* Data, const uint16_t Length) +uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + const char* const Data, + const uint16_t Length) { if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) return PIPE_READYWAIT_DeviceDisconnected; @@ -293,7 +296,8 @@ uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, ch return ErrorCode; } -uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Data) +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; @@ -323,7 +327,6 @@ uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo return 0; Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); - Pipe_SetPipeToken(PIPE_TOKEN_IN); Pipe_Unfreeze(); if (Pipe_IsINReceived()) @@ -348,24 +351,27 @@ uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo } } -uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) +int16_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) { - uint8_t ReceivedByte = 0; - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return 0; + return -1; + int16_t ReceivedByte = -1; + Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); - Pipe_SetPipeToken(PIPE_TOKEN_IN); Pipe_Unfreeze(); - ReceivedByte = Pipe_Read_Byte(); - - if (!(Pipe_BytesInPipe())) - Pipe_ClearIN(); + if (Pipe_IsINReceived()) + { + if (Pipe_BytesInPipe()) + ReceivedByte = Pipe_Read_Byte(); + + if (!(Pipe_BytesInPipe())) + Pipe_ClearIN(); + } Pipe_Freeze(); - + return ReceivedByte; } @@ -399,34 +405,41 @@ uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) return PIPE_READYWAIT_NoError; } -void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* 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* CDCInterfaceInfo, FILE* Stream) +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) +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) { - if (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)))) + int16_t ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); + + if (ReceivedByte < 0) return _FDEV_EOF; - return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); + return ReceivedByte; } static int CDC_Host_getchar_Blocking(FILE* Stream) { - while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(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; @@ -435,7 +448,7 @@ static int CDC_Host_getchar_Blocking(FILE* Stream) USB_USBTask(); } - return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); + return ReceivedByte; } void CDC_Host_Event_Stub(void)