X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/4b35dd167001233d2f44f918d3656a3f2ad80f2e..fa3135d48530930aefd5ef4ca9d0def3faae474d:/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 index b7a192ac0..85864b05c 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.c +++ b/LUFA/Drivers/USB/Class/Host/CDC.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2009. + Copyright (C) Dean Camera, 2010. dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ /* - Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, and distribute this software - and its documentation for any purpose and without fee is hereby - granted, 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 + Copyright 2010 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 @@ -34,12 +34,10 @@ #define INCLUDE_FROM_CDC_CLASS_HOST_C #include "CDC.h" -#warning The CDC Host mode Class driver is currently incomplete and is for preview purposes only. - -uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize, - uint8_t* ConfigDescriptorData) +uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, uint16_t ConfigDescriptorSize, + void* ConfigDescriptorData) { - uint8_t FoundEndpoints = 0; + uint8_t FoundEndpoints = 0; memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State)); @@ -51,13 +49,15 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint { return CDC_ENUMERROR_NoCDCInterfaceFound; } + + CDCInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber; - while (FoundEndpoints != (CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT | CDC_FOUND_DATAPIPE_NOTIFICATION)) + while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT)) { if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { - if (FoundEndpoints & CDC_FOUND_DATAPIPE_NOTIFICATION) + if (FoundEndpoints & CDC_FOUND_NOTIFICATION_IN) { if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found) @@ -84,7 +84,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint } if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, - DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) + DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found) { return CDC_ENUMERROR_EndpointsNotFound; } @@ -95,14 +95,15 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT) { if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) - { + { Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE); + 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_DATAPIPE_NOTIFICATION; + FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN; } } else @@ -110,7 +111,9 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN) { Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN, - EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE); + EndpointData->EndpointAddress, EndpointData->EndpointSize, + CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); + CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize; FoundEndpoints |= CDC_FOUND_DATAPIPE_IN; @@ -118,7 +121,9 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint else { Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT, - EndpointData->EndpointAddress, EndpointData->EndpointSize, PIPE_BANK_SINGLE); + EndpointData->EndpointAddress, EndpointData->EndpointSize, + CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE); + CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize; FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT; @@ -126,10 +131,13 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint } } + 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* CurrentDescriptor) +static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) { @@ -147,7 +155,7 @@ static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor) return DESCRIPTOR_SEARCH_NotFound; } -static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor) +static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface) { @@ -165,7 +173,7 @@ static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor) return DESCRIPTOR_SEARCH_NotFound; } -static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor) +static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor) { if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint) { @@ -174,8 +182,7 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK); - if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) && - !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress))) + if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) { return DESCRIPTOR_SEARCH_Found; } @@ -188,7 +195,229 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript return DESCRIPTOR_SEARCH_NotFound; } -void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo) +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_SetPipeToken(PIPE_TOKEN_IN); + Pipe_Unfreeze(); + + if (Pipe_IsINReceived()) + { + USB_Request_Header_t Notification; + Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK); + + if ((Notification.bRequest == 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(); + + EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo); + } + + Pipe_Freeze(); +} + +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 = 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 = 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_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, char* Data, 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(Data, Length, NO_STREAM_CALLBACK); + 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_Byte(Data); + Pipe_Freeze(); + + return PIPE_READYWAIT_NoError; +} + +uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) +{ + uint16_t BytesInPipe = 0; + + if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) + return 0; + + Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); + Pipe_SetPipeToken(PIPE_TOKEN_IN); + Pipe_Unfreeze(); + + if (Pipe_IsINReceived()) + { + if (!(Pipe_BytesInPipe())) + Pipe_ClearIN(); + + BytesInPipe = Pipe_BytesInPipe(); + Pipe_Freeze(); + + return BytesInPipe; + } + else + { + Pipe_Freeze(); + + return 0; + } +} + +uint8_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; + + Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber); + Pipe_SetPipeToken(PIPE_TOKEN_IN); + Pipe_Unfreeze(); + + ReceivedByte = Pipe_Read_Byte(); + + 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; +} + +void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* 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) +{ + *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) +{ + if (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)))) + return _FDEV_EOF; + + return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); +} + +static int CDC_Host_getchar_Blocking(FILE* Stream) +{ + while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)))) + { + if (USB_HostState == HOST_STATE_Unattached) + return _FDEV_EOF; + + CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); + USB_USBTask(); + } + + return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); +} + +void CDC_Host_Event_Stub(void) { }