X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/6a10d6b465be27db090d760dc0fbe722c94e4344..d41cd9a41aca81eaa21e65e6c53672fe604fa3d5:/LUFA/Drivers/USB/LowLevel/Pipe.c diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c index 743bb91f2..3656be20f 100644 --- a/LUFA/Drivers/USB/LowLevel/Pipe.c +++ b/LUFA/Drivers/USB/LowLevel/Pipe.c @@ -1,258 +1,140 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2009. - - 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 - 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. -*/ -#include "USBMode.h" -#if defined(USB_CAN_BE_HOST) - -#define INCLUDE_FROM_PIPE_C -#include "Pipe.h" - -uint8_t USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; - -bool Pipe_ConfigurePipe(const uint8_t Number, const uint8_t Type, const uint8_t Token, const uint8_t EndpointNumber, - const uint16_t Size, const uint8_t Banks) -{ - Pipe_SelectPipe(Number); - Pipe_EnablePipe(); - - UPCFG1X = 0; - - UPCFG0X = ((Type << EPTYPE0) | Token | (EndpointNumber << PEPNUM0)); - UPCFG1X = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size)); - - return Pipe_IsConfigured(); -} - -void Pipe_ClearPipes(void) -{ - UPINT = 0; - - for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) - { - Pipe_ResetPipe(PNum); - Pipe_SelectPipe(PNum); - UPIENX = 0; - UPINTX = 0; - Pipe_ClearError(); - Pipe_ClearErrorFlags(); - Pipe_DeallocateMemory(); - Pipe_DisablePipe(); - } -} - -uint8_t Pipe_WaitUntilReady(void) -{ - uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; - - USB_INT_Clear(USB_INT_HSOFI); - - while (!(Pipe_ReadWriteAllowed())) - { - if (Pipe_IsStalled()) - return PIPE_READYWAIT_PipeStalled; - else if (!(USB_IsConnected)) - return PIPE_READYWAIT_DeviceDisconnected; - - if (USB_INT_HasOccurred(USB_INT_HSOFI)) - { - USB_INT_Clear(USB_INT_HSOFI); - - if (!(TimeoutMSRem--)) - return PIPE_READYWAIT_Timeout; - } - } - - return PIPE_READYWAIT_NoError; -} - -uint8_t Pipe_Write_Stream_LE(const void* Data, uint16_t Length -#if !defined(NO_STREAM_CALLBACKS) - , uint8_t (* const Callback)(void) -#endif - ) -{ - uint8_t* DataStream = (uint8_t*)Data; - uint8_t ErrorCode; - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - - while (Length--) - { - if (!(Pipe_ReadWriteAllowed())) - { - Pipe_ClearCurrentBank(); - - #if !defined(NO_STREAM_CALLBACKS) - if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) - return PIPE_RWSTREAM_ERROR_CallbackAborted; - #endif - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - } - - Pipe_Write_Byte(*(DataStream++)); - } - - return PIPE_RWSTREAM_ERROR_NoError; -} - -uint8_t Pipe_Write_Stream_BE(const void* Data, uint16_t Length -#if !defined(NO_STREAM_CALLBACKS) - , uint8_t (* const Callback)(void) -#endif - ) -{ - uint8_t* DataStream = (uint8_t*)(Data + Length - 1); - uint8_t ErrorCode; - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - - while (Length--) - { - if (!(Pipe_ReadWriteAllowed())) - { - Pipe_ClearCurrentBank(); - - #if !defined(NO_STREAM_CALLBACKS) - if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) - return PIPE_RWSTREAM_ERROR_CallbackAborted; - #endif - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - } - - Pipe_Write_Byte(*(DataStream--)); - } - - return PIPE_RWSTREAM_ERROR_NoError; -} - -uint8_t Pipe_Discard_Stream(uint16_t Length -#if !defined(NO_STREAM_CALLBACKS) - , uint8_t (* const Callback)(void) -#endif - ) -{ - uint8_t ErrorCode; - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - - while (Length--) - { - if (!(Pipe_ReadWriteAllowed())) - { - Pipe_ClearCurrentBank(); - - #if !defined(NO_STREAM_CALLBACKS) - if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) - return PIPE_RWSTREAM_ERROR_CallbackAborted; - #endif - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - } - - Pipe_Discard_Byte(); - } - - return PIPE_RWSTREAM_ERROR_NoError; -} - -uint8_t Pipe_Read_Stream_LE(void* Buffer, uint16_t Length - #if !defined(NO_STREAM_CALLBACKS) - , uint8_t (* const Callback)(void) -#endif - ) -{ - uint8_t* DataStream = (uint8_t*)Buffer; - uint8_t ErrorCode; - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - - while (Length--) - { - if (!(Pipe_ReadWriteAllowed())) - { - Pipe_ClearCurrentBank(); - - #if !defined(NO_STREAM_CALLBACKS) - if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) - return PIPE_RWSTREAM_ERROR_CallbackAborted; - #endif - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - } - - *(DataStream++) = Pipe_Read_Byte(); - } - - return PIPE_RWSTREAM_ERROR_NoError; -} - -uint8_t Pipe_Read_Stream_BE(void* Buffer, uint16_t Length - #if !defined(NO_STREAM_CALLBACKS) - , uint8_t (* const Callback)(void) -#endif - ) -{ - uint8_t* DataStream = (uint8_t*)(Buffer + Length - 1); - uint8_t ErrorCode; - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - - while (Length--) - { - if (!(Pipe_ReadWriteAllowed())) - { - Pipe_ClearCurrentBank(); - - #if !defined(NO_STREAM_CALLBACKS) - if ((Callback != NULL) && (Callback() == STREAMCALLBACK_Abort)) - return PIPE_RWSTREAM_ERROR_CallbackAborted; - #endif - - if ((ErrorCode = Pipe_WaitUntilReady())) - return ErrorCode; - } - - *(DataStream--) = Pipe_Read_Byte(); - } - - return PIPE_RWSTREAM_ERROR_NoError; -} - -#endif +/* + LUFA Library + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + 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 + 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 "../HighLevel/USBMode.h" + +#if defined(USB_CAN_BE_HOST) + +#include "Pipe.h" + +uint8_t USB_ControlPipeSize = PIPE_CONTROLPIPE_DEFAULT_SIZE; + +bool Pipe_ConfigurePipe(const uint8_t Number, + const uint8_t Type, + const uint8_t Token, + const uint8_t EndpointNumber, + const uint16_t Size, + const uint8_t Banks) +{ + Pipe_SelectPipe(Number); + Pipe_EnablePipe(); + + UPCFG1X = 0; + + UPCFG0X = ((Type << EPTYPE0) | Token | ((EndpointNumber & PIPE_EPNUM_MASK) << PEPNUM0)); + UPCFG1X = ((1 << ALLOC) | Banks | Pipe_BytesToEPSizeMask(Size)); + + Pipe_SetInfiniteINRequests(); + + return Pipe_IsConfigured(); +} + +void Pipe_ClearPipes(void) +{ + UPINT = 0; + + for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) + { + Pipe_SelectPipe(PNum); + UPIENX = 0; + UPINTX = 0; + UPCFG1X = 0; + Pipe_DisablePipe(); + } +} + +bool Pipe_IsEndpointBound(const uint8_t EndpointAddress) +{ + uint8_t PrevPipeNumber = Pipe_GetCurrentPipe(); + + for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++) + { + Pipe_SelectPipe(PNum); + + if (!(Pipe_IsConfigured())) + continue; + + uint8_t PipeToken = Pipe_GetPipeToken(); + bool PipeTokenCorrect = true; + + if (PipeToken != PIPE_TOKEN_SETUP) + PipeTokenCorrect = (PipeToken == ((EndpointAddress & PIPE_EPDIR_MASK) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT)); + + if (PipeTokenCorrect && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK))) + return true; + } + + Pipe_SelectPipe(PrevPipeNumber); + return false; +} + +uint8_t Pipe_WaitUntilReady(void) +{ + #if (USB_STREAM_TIMEOUT_MS < 0xFF) + uint8_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #else + uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS; + #endif + + uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber(); + + for (;;) + { + if (Pipe_GetPipeToken() == PIPE_TOKEN_IN) + { + if (Pipe_IsINReceived()) + return PIPE_READYWAIT_NoError; + } + else + { + if (Pipe_IsOUTReady()) + return PIPE_READYWAIT_NoError; + } + + if (Pipe_IsStalled()) + return PIPE_READYWAIT_PipeStalled; + else if (USB_HostState == HOST_STATE_Unattached) + return PIPE_READYWAIT_DeviceDisconnected; + + uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber(); + + if (CurrentFrameNumber != PreviousFrameNumber) + { + PreviousFrameNumber = CurrentFrameNumber; + + if (!(TimeoutMSRem--)) + return PIPE_READYWAIT_Timeout; + } + } +} + +#endif +