X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/059307d89cbdd7a45170566f469eb9e02c20b3e1..d41cd9a41aca81eaa21e65e6c53672fe604fa3d5:/LUFA/Drivers/USB/LowLevel/Endpoint.h diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h index eb4b6161c..ea2e8cc53 100644 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.h +++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h @@ -1,21 +1,21 @@ /* LUFA Library Copyright (C) Dean Camera, 2010. - + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) - Permission to use, copy, modify, distribute, and sell this + Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted - without fee, provided that the above copyright notice appear in + without fee, provided that the above copyright notice appear in all copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaim all warranties with regard to this @@ -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__ @@ -77,18 +72,12 @@ /* 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) extern "C" { @@ -98,84 +87,142 @@ #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, Banks) (MaxSize) + + #define _ENDPOINT_GET_BANKS(EPIndex) _ENDPOINT_GET_BANKS2(ENDPOINT_DETAILS_EP ## EPIndex) + #define _ENDPOINT_GET_BANKS2(EPDetails) _ENDPOINT_GET_BANKS3(EPDetails) + #define _ENDPOINT_GET_BANKS3(MaxSize, Banks) (Banks) + + #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) + #define ENDPOINT_DETAILS_MAXEP 7 + + #define ENDPOINT_DETAILS_EP0 64, 2 + #define ENDPOINT_DETAILS_EP1 256, 2 + #define ENDPOINT_DETAILS_EP2 64, 2 + #define ENDPOINT_DETAILS_EP3 64, 2 + #define ENDPOINT_DETAILS_EP4 64, 2 + #define ENDPOINT_DETAILS_EP5 64, 2 + #define ENDPOINT_DETAILS_EP6 64, 2 + #else + #define ENDPOINT_DETAILS_MAXEP 5 + + #define ENDPOINT_DETAILS_EP0 64, 2 + #define ENDPOINT_DETAILS_EP1 64, 1 + #define ENDPOINT_DETAILS_EP2 64, 1 + #define ENDPOINT_DETAILS_EP3 64, 2 + #define ENDPOINT_DETAILS_EP4 64, 2 + #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: */ + /** \name Endpoint Direction Masks */ + //@{ /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint * should be initialized in the OUT direction - i.e. data flows from host to device. */ - #define ENDPOINT_DIR_OUT (0 << EPDIR) + #define ENDPOINT_DIR_OUT (0 << EPDIR) /** Endpoint data direction mask for \ref Endpoint_ConfigureEndpoint(). This indicates that the endpoint * should be initialized in the IN direction - i.e. data flows from device to host. */ - #define ENDPOINT_DIR_IN (1 << EPDIR) - + #define ENDPOINT_DIR_IN (1 << EPDIR) + //@} + + /** \name Endpoint Bank Mode Masks */ + //@{ /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates * that the endpoint should have one single bank, which requires less USB FIFO memory but results * in slower transfers as only one USB device (the AVR or the host) can access the endpoint's * bank at the one time. */ - #define ENDPOINT_BANK_SINGLE (0 << EPBK0) + #define ENDPOINT_BANK_SINGLE (0 << EPBK0) /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates * that the endpoint should have two banks, which requires more USB FIFO memory but results * in faster transfers as one USB device (the AVR or the host) can access one bank while the other * accesses the second bank. */ - #define ENDPOINT_BANK_DOUBLE (1 << EPBK0) + #define ENDPOINT_BANK_DOUBLE (1 << EPBK0) + //@} /** Endpoint address for the default control endpoint, which always resides in address 0. This is * defined for convenience to give more readable code when used with the endpoint macros. */ - #define ENDPOINT_CONTROLEP 0 + #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 control endpoint bank size + /** Default size of the default control endpoint's bank, until altered by the control endpoint bank size * value in the device descriptor. Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined. */ - #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8 + #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8 #endif - + /** Endpoint number mask, for masking against endpoint addresses to retrieve the endpoint's * numerical address in the device. */ - #define ENDPOINT_EPNUM_MASK 0x07 + #define ENDPOINT_EPNUM_MASK 0x07 /** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's * direction for comparing with the ENDPOINT_DESCRIPTOR_DIR_* masks. */ - #define ENDPOINT_EPDIR_MASK 0x80 + #define ENDPOINT_EPDIR_MASK 0x80 /** Endpoint bank size mask, for masking against endpoint addresses to retrieve the endpoint's * bank size in the device. */ - #define ENDPOINT_EPSIZE_MASK 0x7F - + #define ENDPOINT_EPSIZE_MASK 0x7F + /** Maximum size in bytes of a given endpoint. * - * \param[in] n Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1) - */ - #define ENDPOINT_MAX_SIZE(n) _ENDPOINT_GET_MAXSIZE(n) + * \param[in] EPIndex Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1) + */ + #define ENDPOINT_MAX_SIZE(EPIndex) _ENDPOINT_GET_MAXSIZE(EPIndex) - /** Indicates if the given endpoint supports double banking. + /** Indicates the total number of banks supported by the given endpoint. * - * \param[in] n Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1) - */ - #define ENDPOINT_DOUBLEBANK_SUPPORTED(n) _ENDPOINT_GET_DOUBLEBANK(n) + * \param[in] EPIndex Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1) + */ + #define ENDPOINT_BANKS_SUPPORTED(EPIndex) _ENDPOINT_GET_BANKS(EPIndex) - #if !defined(CONTROL_ONLY_DEVICE) - #if defined(USB_SERIES_4_AVR) || defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR) || defined(__DOXYGEN__) - /** Total number of endpoints (including the default control endpoint at address 0) which may - * be used in the device. Different USB AVR models support different amounts of endpoints, - * this value reflects the maximum number of endpoints for the currently selected AVR model. - */ - #define ENDPOINT_TOTAL_ENDPOINTS 7 - #else - #define ENDPOINT_TOTAL_ENDPOINTS 5 - #endif + #if !defined(CONTROL_ONLY_DEVICE) || defined(__DOXYGEN__) + /** Total number of endpoints (including the default control endpoint at address 0) which may + * be used in the device. Different USB AVR models support different amounts of endpoints, + * this value reflects the maximum number of endpoints for the currently selected AVR model. + */ + #define ENDPOINT_TOTAL_ENDPOINTS ENDPOINT_DETAILS_MAXEP #else - #define ENDPOINT_TOTAL_ENDPOINTS 1 + #define ENDPOINT_TOTAL_ENDPOINTS 1 #endif /* Enums: */ @@ -201,51 +248,62 @@ * \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. * - * \ingroup Group_EndpointStreamRW + * \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 Endpoints must be configured in ascending order, or bank corruption will occur. + * \n\n + * + * \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 @@ -266,7 +324,7 @@ return UEBCLX; #endif } - + /** Get the endpoint address of the currently selected endpoint. This is typically used to save * the currently selected endpoint number so that it can be restored after another endpoint has * been manipulated. @@ -282,7 +340,7 @@ return ENDPOINT_CONTROLEP; #endif } - + /** Selects the given endpoint number. If the address from the device descriptors is used, the * value should be masked with the \ref ENDPOINT_EPNUM_MASK constant to extract only the endpoint * number (and discarding the endpoint direction bit). @@ -297,9 +355,9 @@ { #if !defined(CONTROL_ONLY_DEVICE) UENUM = EndpointNumber; - #endif + #endif } - + /** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's * In and Out pointers to the bank's contents. * @@ -311,7 +369,7 @@ UERST = (1 << EndpointNumber); UERST = 0; } - + /** Enables the currently selected endpoint so that data can be sent and received through it to * and from a host. * @@ -331,7 +389,7 @@ { UECONX &= ~(1 << EPEN); } - + /** Determines if the currently selected endpoint is enabled, but not necessarily configured. * * \return Boolean True if the currently selected endpoint is enabled, false otherwise. @@ -341,7 +399,36 @@ { return ((UECONX & (1 << EPEN)) ? true : false); } + + /** Aborts all pending IN transactions on the currently selected endpoint, once the bank + * has been queued for transmission to the host via \ref Endpoint_ClearIN(). This function + * will terminate all queued transactions, resetting the endpoint banks ready for a new + * packet. + * + * \ingroup Group_EndpointPacketManagement + */ + static inline void Endpoint_AbortPendingIN(void) + { + while (UESTA0X & (0x03 << NBUSYBK0)) + { + UEINTX |= (1 << RXOUTI); + while (UEINTX & (1 << RXOUTI)); + } + } + /** Retrieves the number of busy banks in the currently selected endpoint, which have been queued for + * transmission via the \ref Endpoint_ClearIN() command, or are awaiting acknowledgement via the + * \ref Endpoint_ClearOUT() command. + * + * \ingroup Group_EndpointPacketManagement + * + * \return Total number of busy banks in the selected endpoint. + */ + static inline uint8_t Endpoint_GetBusyBanks(void) + { + return (UESTA0X & (0x03 << NBUSYBK0)); + } + /** Determines if the currently selected endpoint may be read from (if data is waiting in the endpoint * bank and the endpoint is an OUT direction, or if the bank is not yet full if the endpoint is an IN * direction). This function will return false if an error has occurred in the endpoint, if the endpoint @@ -357,7 +444,7 @@ { return ((UEINTX & (1 << RWAL)) ? true : false); } - + /** Determines if the currently selected endpoint is configured. * * \return Boolean true if the currently selected endpoint has been configured, false otherwise. @@ -367,7 +454,7 @@ { return ((UESTA0X & (1 << CFGOK)) ? true : false); } - + /** Returns a mask indicating which INTERRUPT type endpoints have interrupted - i.e. their * interrupt duration has elapsed. Which endpoints have interrupted can be determined by * masking the return value against (1 << {Endpoint Number}). @@ -379,7 +466,7 @@ { return UEINT; } - + /** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type * endpoints). * @@ -392,8 +479,8 @@ { return ((UEINT & (1 << EndpointNumber)) ? true : false); } - - /** Determines if the selected IN endpoint is ready for a new packet. + + /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host. * * \ingroup Group_EndpointPacketManagement * @@ -402,10 +489,10 @@ 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. + + /** Determines if the selected OUT endpoint has received new packet from the host. * * \ingroup Group_EndpointPacketManagement * @@ -416,7 +503,7 @@ { return ((UEINTX & (1 << RXOUTI)) ? true : false); } - + /** Determines if the current CONTROL type endpoint has received a SETUP packet. * * \ingroup Group_EndpointPacketManagement @@ -428,20 +515,20 @@ { return ((UEINTX & (1 << RXSTPI)) ? true : false); } - + /** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the * endpoint for the next packet. * * \ingroup Group_EndpointPacketManagement * - * \note This is not applicable for non CONTROL type endpoints. + * \note This is not applicable for non CONTROL type endpoints. */ static inline void Endpoint_ClearSETUP(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_ClearSETUP(void) { UEINTX &= ~(1 << RXSTPI); } - + /** Sends an IN packet to the host on the currently selected endpoint, freeing up the endpoint for the * next packet and switching to the alternative endpoint bank if double banked. * @@ -456,7 +543,7 @@ UEINTX &= ~(1 << TXINI); #endif } - + /** Acknowledges an OUT packet to the host on the currently selected endpoint, freeing up the endpoint * for the next packet and switching to the alternative endpoint bank if double banked. * @@ -468,10 +555,10 @@ #if !defined(CONTROL_ONLY_DEVICE) UEINTX &= ~((1 << RXOUTI) | (1 << FIFOCON)); #else - UEINTX &= ~(1 << RXOUTI); + UEINTX &= ~(1 << RXOUTI); #endif } - + /** Stalls the current endpoint, indicating to the host that a logical problem occurred with the * indicated endpoint and that the current transfer sequence should be aborted. This provides a * way for devices to indicate invalid commands to the host so that the current transfer can be @@ -488,7 +575,7 @@ { UECONX |= (1 << STALLRQ); } - + /** Clears the STALL condition on the currently selected endpoint. * * \ingroup Group_EndpointPacketManagement @@ -498,7 +585,7 @@ { UECONX |= (1 << STALLRQC); } - + /** Determines if the currently selected endpoint is stalled, false otherwise. * * \ingroup Group_EndpointPacketManagement @@ -510,14 +597,14 @@ { return ((UECONX & (1 << STALLRQ)) ? true : false); } - + /** Resets the data toggle of the currently selected endpoint. */ static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_ResetDataToggle(void) { UECONX |= (1 << RSTDT); } - + /** Determines the currently selected endpoint's direction. * * \return The currently selected endpoint's direction, as a ENDPOINT_DIR_* mask. @@ -570,10 +657,10 @@ static inline void Endpoint_Discard_Byte(void) { uint8_t Dummy; - + Dummy = UEDATX; } - + /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT * direction endpoints. * @@ -589,10 +676,10 @@ uint16_t Word; uint8_t Bytes[2]; } Data; - + Data.Bytes[0] = UEDATX; Data.Bytes[1] = UEDATX; - + return Data.Word; } @@ -611,10 +698,10 @@ uint16_t Word; uint8_t Bytes[2]; } Data; - + Data.Bytes[1] = UEDATX; Data.Bytes[0] = UEDATX; - + return Data.Word; } @@ -631,7 +718,7 @@ UEDATX = (Word & 0xFF); UEDATX = (Word >> 8); } - + /** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN * direction endpoints. * @@ -654,7 +741,7 @@ static inline void Endpoint_Discard_Word(void) { uint8_t Dummy; - + Dummy = UEDATX; Dummy = UEDATX; } @@ -674,12 +761,12 @@ uint32_t DWord; uint8_t Bytes[4]; } Data; - + Data.Bytes[0] = UEDATX; Data.Bytes[1] = UEDATX; Data.Bytes[2] = UEDATX; Data.Bytes[3] = UEDATX; - + return Data.DWord; } @@ -698,12 +785,12 @@ uint32_t DWord; uint8_t Bytes[4]; } Data; - + Data.Bytes[3] = UEDATX; Data.Bytes[2] = UEDATX; Data.Bytes[1] = UEDATX; Data.Bytes[0] = UEDATX; - + return Data.DWord; } @@ -722,7 +809,7 @@ UEDATX = (DWord >> 16); UEDATX = (DWord >> 24); } - + /** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN * direction endpoints. * @@ -739,7 +826,7 @@ UEDATX = (DWord & 0xFF); } - /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints. + /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints. * * \ingroup Group_EndpointPrimitiveRW */ @@ -747,7 +834,7 @@ static inline void Endpoint_Discard_DWord(void) { uint8_t Dummy; - + Dummy = UEDATX; Dummy = UEDATX; Dummy = UEDATX; @@ -777,40 +864,11 @@ #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. @@ -822,536 +880,13 @@ * \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) } #endif - + #endif /** @} */ +