X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/059307d89cbdd7a45170566f469eb9e02c20b3e1..bd85422d2beb8b14e617839b7d05e7306df83edc:/LUFA/Drivers/USB/LowLevel/Endpoint.h diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h index eb4b6161c..d7dbc3e9a 100644 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.h +++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h @@ -38,38 +38,33 @@ * dispatch header located in LUFA/Drivers/USB/USB.h. */ -/** \ingroup Group_USB - * @defgroup Group_EndpointManagement Endpoint Management - * - * Functions, macros and enums related to endpoint management when in USB Device mode. This - * module contains the endpoint management macros, as well as endpoint interrupt and data - * send/receive functions for various data types. - * - * @{ - */ - -/** @defgroup Group_EndpointRW Endpoint Data Reading and Writing +/** \ingroup Group_EndpointManagement + * @defgroup Group_EndpointRW Endpoint Data Reading and Writing * * Functions, macros, variables, enums and types related to data reading and writing from and to endpoints. */ -/** \ingroup Group_EndpointRW +/** \ingroup Group_EndpointRW * @defgroup Group_EndpointPrimitiveRW Read/Write of Primitive Data Types * * Functions, macros, variables, enums and types related to data reading and writing of primitive data types * from and to endpoints. */ -/** \ingroup Group_EndpointRW - * @defgroup Group_EndpointStreamRW Read/Write of Multi-Byte Streams +/** \ingroup Group_EndpointManagement + * @defgroup Group_EndpointPacketManagement Endpoint Packet Management * - * Functions, macros, variables, enums and types related to data reading and writing of data streams from - * and to endpoints. - */ + * Functions, macros, variables, enums and types related to packet management of endpoints. + */ -/** @defgroup Group_EndpointPacketManagement Endpoint Packet Management +/** \ingroup Group_USB + * @defgroup Group_EndpointManagement Endpoint Management * - * Functions, macros, variables, enums and types related to packet management of endpoints. + * Functions, macros and enums related to endpoint management when in USB Device mode. This + * module contains the endpoint management macros, as well as endpoint interrupt and data + * send/receive functions for various data types. + * + * @{ */ #ifndef __ENDPOINT_H__ @@ -77,17 +72,11 @@ /* Includes: */ #include - #include - #include #include #include "../../../Common/Common.h" #include "../HighLevel/USBTask.h" #include "USBInterrupt.h" - - #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__) - #include "../HighLevel/StreamCallbacks.h" - #endif /* Enable C linkage for C++ Compilers: */ #if defined(__cplusplus) @@ -98,7 +87,59 @@ #if !defined(__INCLUDE_FROM_USB_DRIVER) #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead. #endif - + + /* Private Interface - For use in library only: */ + #if !defined(__DOXYGEN__) + /* Macros: */ + #define _ENDPOINT_GET_MAXSIZE(EPIndex) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## EPIndex) + #define _ENDPOINT_GET_MAXSIZE2(EPDetails) _ENDPOINT_GET_MAXSIZE3(EPDetails) + #define _ENDPOINT_GET_MAXSIZE3(MaxSize, DB) (MaxSize) + + #define _ENDPOINT_GET_DOUBLEBANK(EPIndex) _ENDPOINT_GET_DOUBLEBANK2(ENDPOINT_DETAILS_EP ## EPIndex) + #define _ENDPOINT_GET_DOUBLEBANK2(EPDetails) _ENDPOINT_GET_DOUBLEBANK3(EPDetails) + #define _ENDPOINT_GET_DOUBLEBANK3(MaxSize, DB) (DB) + + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + #define ENDPOINT_DETAILS_EP0 64, true + #define ENDPOINT_DETAILS_EP1 256, true + #define ENDPOINT_DETAILS_EP2 64, true + #define ENDPOINT_DETAILS_EP3 64, true + #define ENDPOINT_DETAILS_EP4 64, true + #define ENDPOINT_DETAILS_EP5 64, true + #define ENDPOINT_DETAILS_EP6 64, true + #else + #define ENDPOINT_DETAILS_EP0 64, true + #define ENDPOINT_DETAILS_EP1 64, false + #define ENDPOINT_DETAILS_EP2 64, false + #define ENDPOINT_DETAILS_EP3 64, true + #define ENDPOINT_DETAILS_EP4 64, true + #endif + + /* Inline Functions: */ + static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST + ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) + { + uint8_t MaskVal = 0; + uint16_t CheckBytes = 8; + + while (CheckBytes < Bytes) + { + MaskVal++; + CheckBytes <<= 1; + } + + return (MaskVal << EPSIZE0); + } + + /* Function Prototypes: */ + void Endpoint_ClearEndpoints(void); + bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, + const uint8_t UECFG0XData, + const uint8_t UECFG1XData); + + #endif + /* Public Interface - May be used in end-application: */ /* Macros: */ /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint @@ -201,51 +242,59 @@ * \ref USB_STREAM_TIMEOUT_MS macro. */ }; - - /** Enum for the possible error return codes of the Endpoint_*_Stream_* functions. + + /* Inline Functions: */ + /** Configures the specified endpoint number with the given endpoint type, direction, bank size + * and banking mode. Once configured, the endpoint may be read from or written to, depending + * on its direction. * - * \ingroup Group_EndpointStreamRW - */ - enum Endpoint_Stream_RW_ErrorCodes_t - { - ENDPOINT_RWSTREAM_NoError = 0, /**< Command completed successfully, no error. */ - ENDPOINT_RWSTREAM_EndpointStalled = 1, /**< The endpoint was stalled during the stream - * transfer by the host or device. - */ - ENDPOINT_RWSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during - * the transfer. - */ - ENDPOINT_RWSTREAM_BusSuspended = 3, /**< The USB bus has been suspended by the host and - * no USB endpoint traffic can occur until the bus - * has resumed. - */ - ENDPOINT_RWSTREAM_Timeout = 4, /**< The host failed to accept or send the next packet - * within the software timeout period set by the - * \ref USB_STREAM_TIMEOUT_MS macro. - */ - ENDPOINT_RWSTREAM_CallbackAborted = 5, /**< Indicates that the stream's callback function - * aborted the transfer early. - */ - }; - - /** Enum for the possible error return codes of the Endpoint_*_Control_Stream_* functions.. + * \param[in] Number Endpoint number to configure. This must be more than 0 and less than + * \ref ENDPOINT_TOTAL_ENDPOINTS. + * + * \param[in] Type Type of endpoint to configure, a EP_TYPE_* mask. Not all endpoint types + * are available on Low Speed USB devices - refer to the USB 2.0 specification. + * + * \param[in] Direction Endpoint data direction, either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN. + * All endpoints (except Control type) are unidirectional - data may only be read + * from or written to the endpoint bank based on its direction, not both. + * + * \param[in] Size Size of the endpoint's bank, where packets are stored before they are transmitted + * to the USB host, or after they have been received from the USB host (depending on + * the endpoint's data direction). The bank size must indicate the maximum packet size + * that the endpoint can handle. + * + * \param[in] Banks Number of banks to use for the endpoint being configured, an ENDPOINT_BANK_* mask. + * More banks uses more USB DPRAM, but offers better performance. Isochronous type + * endpoints must have at least two banks. + * + * \note Certain models of USB AVR's endpoints may have different maximum packet sizes based on the endpoint's + * index - refer to the chosen USB AVR's datasheet to determine the maximum bank size for each endpoint. + * \n\n + * + * \note The default control endpoint should not be manually configured by the user application, as + * it is automatically configured by the library internally. + * \n\n + * + * \note This routine will automatically select the specified endpoint upon success. Upon failure, the endpoint + * which failed to reconfigure correctly will be selected. * - * \ingroup Group_EndpointStreamRW + * \return Boolean true if the configuration succeeded, false otherwise. */ - enum Endpoint_ControlStream_RW_ErrorCodes_t + static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number, + const uint8_t Type, + const uint8_t Direction, + const uint16_t Size, + const uint8_t Banks) ATTR_ALWAYS_INLINE; + static inline bool Endpoint_ConfigureEndpoint(const uint8_t Number, + const uint8_t Type, + const uint8_t Direction, + const uint16_t Size, + const uint8_t Banks) { - ENDPOINT_RWCSTREAM_NoError = 0, /**< Command completed successfully, no error. */ - ENDPOINT_RWCSTREAM_HostAborted = 1, /**< The aborted the transfer prematurely. */ - ENDPOINT_RWCSTREAM_DeviceDisconnected = 2, /**< Device was disconnected from the host during - * the transfer. - */ - ENDPOINT_RWCSTREAM_BusSuspended = 3, /**< The USB bus has been suspended by the host and - * no USB endpoint traffic can occur until the bus - * has resumed. - */ - }; + return Endpoint_ConfigureEndpoint_Prv(Number, (((Type) << EPTYPE0) | (Direction)), + ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMask(Size))); + } - /* Inline Functions: */ /** Indicates the number of bytes currently stored in the current endpoint's selected bank. * * \note The return width of this function may differ, depending on the maximum endpoint bank size @@ -402,7 +451,7 @@ static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline bool Endpoint_IsINReady(void) { - return ((UEINTX & (1 << TXINI)) ? true : false); + return ((UEINTX & (1 << TXINI)) ? true : false); } /** Determines if the selected OUT endpoint has received new packet. @@ -777,40 +826,11 @@ #endif /* Function Prototypes: */ - #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__) - #define __CALLBACK_PARAM , StreamCallbackPtr_t Callback - #else - #define __CALLBACK_PARAM - #endif - - /** Configures the specified endpoint number with the given endpoint type, direction, bank size - * and banking mode. Endpoints should be allocated in ascending order by their address in the - * device (i.e. endpoint 1 should be configured before endpoint 2 and so on) to prevent fragmentation - * of the USB FIFO memory. - * - * The endpoint type may be one of the EP_TYPE_* macros listed in LowLevel.h and the direction - * may be either \ref ENDPOINT_DIR_OUT or \ref ENDPOINT_DIR_IN. - * - * The bank size must indicate the maximum packet size that the endpoint can handle. Different - * endpoint numbers can handle different maximum packet sizes - refer to the chosen USB AVR's - * datasheet to determine the maximum bank size for each endpoint. - * - * The banking mode may be either \ref ENDPOINT_BANK_SINGLE or \ref ENDPOINT_BANK_DOUBLE. - * - * \note The default control endpoint should not be manually configured by the user application, as - * it is automatically configured by the library internally. - * \n\n - * - * \note This routine will select the specified endpoint, and the endpoint will remain selected - * once the routine completes regardless of if the endpoint configuration succeeds. - * - * \return Boolean true if the configuration succeeded, false otherwise. + /** Completes the status stage of a control transfer on a CONTROL type endpoint automatically, + * with respect to the data direction. This is a convenience function which can be used to + * simplify user control request handling. */ - bool Endpoint_ConfigureEndpoint(const uint8_t Number, - const uint8_t Type, - const uint8_t Direction, - const uint16_t Size, - const uint8_t Banks); + void Endpoint_ClearStatusStage(void); /** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data * to be read or written to it. @@ -822,530 +842,6 @@ * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum. */ uint8_t Endpoint_WaitUntilReady(void); - - /** Completes the status stage of a control transfer on a CONTROL type endpoint automatically, - * with respect to the data direction. This is a convenience function which can be used to - * simplify user control request handling. - */ - void Endpoint_ClearStatusStage(void); - - /** Reads and discards the given number of bytes from the endpoint from the given buffer, - * discarding fully read packets from the host as needed. The last packet is not automatically - * discarded once the remaining bytes has been read; the user is responsible for manually - * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between - * each USB packet, the given stream callback function is executed repeatedly until the next - * packet is ready, allowing for early aborts of stream transfers. - * - * The callback routine should be created according to the information in \ref Group_StreamCallbacks. - * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are - * disabled and this function has the Callback parameter omitted. - * - * \note This routine should not be used on CONTROL type endpoints. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Discard_Stream(uint16_t Length - __CALLBACK_PARAM); - - /** Writes the given number of bytes to the endpoint from the given buffer in little endian, - * sending full packets to the host as needed. The last packet filled is not automatically sent; - * the user is responsible for manually sending the last written packet to the host via the - * \ref Endpoint_ClearIN() macro. Between each USB packet, the given stream callback function - * is executed repeatedly until the endpoint is ready to accept the next packet, allowing for early - * aborts of stream transfers. - * - * The callback routine should be created according to the information in \ref Group_StreamCallbacks. - * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are - * disabled and this function has the Callback parameter omitted. - * - * \note This routine should not be used on CONTROL type endpoints. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_Stream_LE(const void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** EEPROM buffer source version of \ref Endpoint_Write_Stream_LE(). - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_EStream_LE(const void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** FLASH buffer source version of \ref Endpoint_Write_Stream_LE(). - * - * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_PStream_LE(const void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** Writes the given number of bytes to the endpoint from the given buffer in big endian, - * sending full packets to the host as needed. The last packet filled is not automatically sent; - * the user is responsible for manually sending the last written packet to the host via the - * \ref Endpoint_ClearIN() macro. Between each USB packet, the given stream callback function - * is executed repeatedly until the endpoint is ready to accept the next packet, allowing for early - * aborts of stream transfers. - * - * The callback routine should be created according to the information in \ref Group_StreamCallbacks. - * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are - * disabled and this function has the Callback parameter omitted. - * - * \note This routine should not be used on CONTROL type endpoints. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_Stream_BE(const void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** EEPROM buffer source version of \ref Endpoint_Write_Stream_BE(). - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_EStream_BE(const void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** FLASH buffer source version of \ref Endpoint_Write_Stream_BE(). - * - * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_PStream_BE(const void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** Reads the given number of bytes from the endpoint from the given buffer in little endian, - * discarding fully read packets from the host as needed. The last packet is not automatically - * discarded once the remaining bytes has been read; the user is responsible for manually - * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between - * each USB packet, the given stream callback function is executed repeatedly until the endpoint - * is ready to accept the next packet, allowing for early aborts of stream transfers. - * - * The callback routine should be created according to the information in \ref Group_StreamCallbacks. - * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are - * disabled and this function has the Callback parameter omitted. - * - * \note This routine should not be used on CONTROL type endpoints. - * - * \ingroup Group_EndpointStreamRW - * - * \param[out] Buffer Pointer to the destination data buffer to write to. - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Read_Stream_LE(void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** EEPROM buffer source version of \ref Endpoint_Read_Stream_LE(). - * - * \ingroup Group_EndpointStreamRW - * - * \param[out] Buffer Pointer to the destination data buffer to write to, located in EEPROM memory space. - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Read_EStream_LE(void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** Reads the given number of bytes from the endpoint from the given buffer in big endian, - * discarding fully read packets from the host as needed. The last packet is not automatically - * discarded once the remaining bytes has been read; the user is responsible for manually - * discarding the last packet from the host via the \ref Endpoint_ClearOUT() macro. Between - * each USB packet, the given stream callback function is executed repeatedly until the endpoint - * is ready to accept the next packet, allowing for early aborts of stream transfers. - * - * The callback routine should be created according to the information in \ref Group_StreamCallbacks. - * If the token NO_STREAM_CALLBACKS is passed via the -D option to the compiler, stream callbacks are - * disabled and this function has the Callback parameter omitted. - * - * \note This routine should not be used on CONTROL type endpoints. - * - * \ingroup Group_EndpointStreamRW - * - * \param[out] Buffer Pointer to the destination data buffer to write to. - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Read_Stream_BE(void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** EEPROM buffer source version of \ref Endpoint_Read_Stream_BE(). - * - * \ingroup Group_EndpointStreamRW - * - * \param[out] Buffer Pointer to the destination data buffer to write to, located in EEPROM memory space. - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * \param[in] Callback Name of a callback routine to call between successive USB packet transfers, NULL if no callback. - * - * \return A value from the \ref Endpoint_Stream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Read_EStream_BE(void* Buffer, - uint16_t Length - __CALLBACK_PARAM) ATTR_NON_NULL_PTR_ARG(1); - - /** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in little endian, - * sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared - * in both failure and success states; the user is responsible for manually clearing the setup OUT to - * finalize the transfer via the \ref Endpoint_ClearOUT() macro. - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_Control_Stream_LE(const void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** EEPROM buffer source version of Endpoint_Write_Control_Stream_LE. - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_Control_EStream_LE(const void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_LE(). - * - * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_Control_PStream_LE(const void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** Writes the given number of bytes to the CONTROL type endpoint from the given buffer in big endian, - * sending full packets to the host as needed. The host OUT acknowledgement is not automatically cleared - * in both failure and success states; the user is responsible for manually clearing the setup OUT to - * finalize the transfer via the \ref Endpoint_ClearOUT() macro. - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_Control_Stream_BE(const void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** EEPROM buffer source version of \ref Endpoint_Write_Control_Stream_BE(). - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_Control_EStream_BE(const void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** FLASH buffer source version of \ref Endpoint_Write_Control_Stream_BE(). - * - * \pre The FLASH data must be located in the first 64KB of FLASH for this function to work correctly. - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[in] Buffer Pointer to the source data buffer to read from. - * \param[in] Length Number of bytes to read for the currently selected endpoint into the buffer. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Write_Control_PStream_BE(const void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** Reads the given number of bytes from the CONTROL endpoint from the given buffer in little endian, - * discarding fully read packets from the host as needed. The device IN acknowledgement is not - * automatically sent after success or failure states; the user is responsible for manually sending the - * setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro. - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[out] Buffer Pointer to the destination data buffer to write to. - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Read_Control_Stream_LE(void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_LE(). - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[out] Buffer Pointer to the destination data buffer to write to. - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Read_Control_EStream_LE(void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** Reads the given number of bytes from the CONTROL endpoint from the given buffer in big endian, - * discarding fully read packets from the host as needed. The device IN acknowledgement is not - * automatically sent after success or failure states; the user is responsible for manually sending the - * setup IN to finalize the transfer via the \ref Endpoint_ClearIN() macro. - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[out] Buffer Pointer to the destination data buffer to write to. - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Read_Control_Stream_BE(void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /** EEPROM buffer source version of \ref Endpoint_Read_Control_Stream_BE(). - * - * \note This function automatically clears the control transfer's status stage. Do not manually attempt - * to clear the status stage when using this routine in a control transaction. - * \n\n - * - * \note This routine should only be used on CONTROL type endpoints. - * - * \warning Unlike the standard stream read/write commands, the control stream commands cannot be chained - * together; i.e. the entire stream data must be read or written at the one time. - * - * \ingroup Group_EndpointStreamRW - * - * \param[out] Buffer Pointer to the destination data buffer to write to. - * \param[in] Length Number of bytes to send via the currently selected endpoint. - * - * \return A value from the \ref Endpoint_ControlStream_RW_ErrorCodes_t enum. - */ - uint8_t Endpoint_Read_Control_EStream_BE(void* Buffer, - uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Macros: */ - #define _ENDPOINT_GET_MAXSIZE(n) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## n) - #define _ENDPOINT_GET_MAXSIZE2(details) _ENDPOINT_GET_MAXSIZE3(details) - #define _ENDPOINT_GET_MAXSIZE3(maxsize, db) maxsize - - #define _ENDPOINT_GET_DOUBLEBANK(n) _ENDPOINT_GET_DOUBLEBANK2(ENDPOINT_DETAILS_EP ## n) - #define _ENDPOINT_GET_DOUBLEBANK2(details) _ENDPOINT_GET_DOUBLEBANK3(details) - #define _ENDPOINT_GET_DOUBLEBANK3(maxsize, db) db - - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) - #define ENDPOINT_DETAILS_EP0 64, true - #define ENDPOINT_DETAILS_EP1 256, true - #define ENDPOINT_DETAILS_EP2 64, true - #define ENDPOINT_DETAILS_EP3 64, true - #define ENDPOINT_DETAILS_EP4 64, true - #define ENDPOINT_DETAILS_EP5 64, true - #define ENDPOINT_DETAILS_EP6 64, true - #else - #define ENDPOINT_DETAILS_EP0 64, true - #define ENDPOINT_DETAILS_EP1 64, false - #define ENDPOINT_DETAILS_EP2 64, false - #define ENDPOINT_DETAILS_EP3 64, true - #define ENDPOINT_DETAILS_EP4 64, true - #endif - - #define Endpoint_ConfigureEndpoint(Number, Type, Direction, Size, Banks) \ - (__builtin_constant_p(Size) ? Endpoint_ConfigureEndpointStatic((Number), \ - (Type), \ - (Direction), \ - Size, Banks) : \ - Endpoint_ConfigureEndpointDynamic((Number), \ - (Type), \ - (Direction), \ - Size, Banks)) - - /* Function Prototypes: */ - void Endpoint_ClearEndpoints(void); - uint8_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size); - bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, - const uint8_t UECFG0XData, - const uint8_t UECFG1XData); - - /* Inline Functions: */ - static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE; - static inline uint8_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) - { - uint8_t MaskVal = 0; - uint16_t CheckBytes = 8; - - while (CheckBytes < Bytes) - { - MaskVal++; - CheckBytes <<= 1; - } - - return (MaskVal << EPSIZE0); - } - - static inline bool Endpoint_ConfigureEndpointStatic(const uint8_t Number, - const uint8_t Type, - const uint8_t Direction, - const uint16_t Size, - const uint8_t Banks) - { - return Endpoint_ConfigureEndpoint_Prv(Number, (((Type) << EPTYPE0) | (Direction)), - ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMask(Size))); - } - - static inline bool Endpoint_ConfigureEndpointDynamic(const uint8_t Number, - const uint8_t Type, - const uint8_t Direction, - const uint16_t Size, - const uint8_t Banks) - { - return Endpoint_ConfigureEndpoint_Prv(Number, (((Type) << EPTYPE0) | (Direction)), - ((1 << ALLOC) | Banks | Endpoint_BytesToEPSizeMaskDynamic(Size))); - } - #endif /* Disable C linkage for C++ Compilers: */ #if defined(__cplusplus)