Added the --suppress-bootloader-mem option to the makefile dfu target, to ensure...
[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / Endpoint.h
index dd74d52..d7dbc3e 100644 (file)
  *        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__
 
        /* Includes: */
                #include <avr/io.h>
-               #include <avr/pgmspace.h>
-               #include <avr/eeprom.h>
                #include <stdbool.h>
 
                #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)
                #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
                        #define ENDPOINT_CONTROLEP                    0
 
                        #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
-                               /** Default size of the default control endpoint's bank, until altered by the Endpoint0Size valu
-                                *  in the device descriptor. Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined.
+                               /** Default size of the default control endpoint's bank, until altered by the control endpoint bank siz
+                                *  value in the device descriptor. Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined.
                                 */
                                #define ENDPOINT_CONTROLEP_DEFAULT_SIZE   8
                        #endif
                                                                                 *   \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.
                         *
-                        *  \ingroup Group_EndpointStreamRW
+                        *  \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 <b>must</b> 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.
+                        *
+                        *  \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
                        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.
                        #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.
                         *  \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)            \
-                                                           Endpoint_ConfigureEndpoint_Prv((Number),        \
-                                                                     (((Type) << EPTYPE0) | (Direction)),  \
-                                                                     ((1 << ALLOC) | (Banks) |             \
-                                                                       (__builtin_constant_p(Size) ?       \
-                                                                        Endpoint_BytesToEPSizeMask(Size) : \
-                                                                        Endpoint_BytesToEPSizeMaskDynamic(Size))))
-                       
-               /* 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);
-                       uint8_t Endpoint_BytesToEPSizeMaskDynamic(const uint16_t Size);
-                       bool    Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
-                                                              const uint8_t UECFG0XData,
-                                                              const uint8_t UECFG1XData);                      
-       #endif
 
        /* Disable C linkage for C++ Compilers: */
                #if defined(__cplusplus)