X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/6a10d6b465be27db090d760dc0fbe722c94e4344..bb4880a9ee83d195adfaf6816c47a3fb92f40172:/LUFA/Drivers/USB/LowLevel/Endpoint.h diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h index 5f3170416..c6aece708 100644 --- a/LUFA/Drivers/USB/LowLevel/Endpoint.h +++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h @@ -46,8 +46,9 @@ #include "../HighLevel/USBTask.h" #if !defined(NO_STREAM_CALLBACKS) || defined(__DOXYGEN__) - #include "StreamCallbacks.h" + #include "StreamCallbacks.h" #endif + /* Enable C linkage for C++ Compilers: */ #if defined(__cplusplus) extern "C" { @@ -58,69 +59,69 @@ /** Endpoint data direction mask for 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 + #define ENDPOINT_DIR_OUT (0 << EPDIR) /** Endpoint data direction mask for 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) /** Mask for the bank mode selection for the 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 + #define ENDPOINT_BANK_SINGLE (0 << EPBK0) /** Mask for the bank mode selection for the 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 /** Default size of the default control endpoint's bank, until altered by the Endpoint0Size value * in the device descriptor. Not available if the FIXED_CONTROL_ENDPOINT_SIZE token is defined. */ #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) - #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 0b111 + #define ENDPOINT_EPNUM_MASK 0b111 /** Endpoint bank size mask, for masking against endpoint addresses to retrieve the endpoint's * bank size in the device. */ - #define ENDPOINT_EPSIZE_MASK 0x7FF + #define ENDPOINT_EPSIZE_MASK 0x7FF /** Maximum size in bytes of a given endpoint. * * \param n Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1) */ - #define ENDPOINT_MAX_SIZE(n) _ENDPOINT_GET_MAXSIZE(n) + #define ENDPOINT_MAX_SIZE(n) _ENDPOINT_GET_MAXSIZE(n) /** Indicates if the given endpoint supports double banking. * * \param n Endpoint number, a value between 0 and (ENDPOINT_TOTAL_ENDPOINTS - 1) */ - #define ENDPOINT_DOUBLEBANK_SUPPORTED(n) _ENDPOINT_GET_DOUBLEBANK(n) + #define ENDPOINT_DOUBLEBANK_SUPPORTED(n) _ENDPOINT_GET_DOUBLEBANK(n) #if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER) || 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 + #define ENDPOINT_TOTAL_ENDPOINTS 7 #else - #define ENDPOINT_TOTAL_ENDPOINTS 5 + #define ENDPOINT_TOTAL_ENDPOINTS 5 #endif /** Interrupt definition for the endpoint SETUP interrupt (for CONTROL type endpoints). Should be @@ -128,8 +129,13 @@ * * This interrupt will fire if enabled on a CONTROL type endpoint if a new control packet is * received from the host. + * + * \note This interrupt must be enabled and cleared on *each* endpoint which requires it (after the + * endpoint is selected), and will fire the common endpoint interrupt vector. + * + * \see ENDPOINT_PIPE_vect for more information on the common pipe and endpoint interrupt vector. */ - #define ENDPOINT_INT_SETUP UEIENX, (1 << RXSTPE), UEINTX, (1 << RXSTPI) + #define ENDPOINT_INT_SETUP UEIENX, (1 << RXSTPE), UEINTX, (1 << RXSTPI) /** Interrupt definition for the endpoint IN interrupt (for INTERRUPT type endpoints). Should be * used with the USB_INT_* macros located in USBInterrupt.h. @@ -137,8 +143,13 @@ * This interrupt will fire if enabled on an INTERRUPT type endpoint if a the endpoint interrupt * period has elapsed and the endpoint is ready for a new packet to be written to its FIFO buffer * (if required). + * + * \note This interrupt must be enabled and cleared on *each* endpoint which requires it (after the + * endpoint is selected), and will fire the common endpoint interrupt vector. + * + * \see ENDPOINT_PIPE_vect for more information on the common pipe and endpoint interrupt vector. */ - #define ENDPOINT_INT_IN UEIENX, (1 << TXINE) , UEINTX, (1 << TXINI) + #define ENDPOINT_INT_IN UEIENX, (1 << TXINE) , UEINTX, (1 << TXINI) /** Interrupt definition for the endpoint OUT interrupt (for INTERRUPT type endpoints). Should be * used with the USB_INT_* macros located in USBInterrupt.h. @@ -146,21 +157,26 @@ * This interrupt will fire if enabled on an INTERRUPT type endpoint if a the endpoint interrupt * period has elapsed and the endpoint is ready for a packet from the host to be read from its * FIFO buffer (if received). + * + * \note This interrupt must be enabled and cleared on *each* endpoint which requires it (after the + * endpoint is selected), and will fire the common endpoint interrupt vector. + * + * \see ENDPOINT_PIPE_vect for more information on the common pipe and endpoint interrupt vector. */ - #define ENDPOINT_INT_OUT UEIENX, (1 << RXOUTE), UEINTX, (1 << RXOUTI) + #define ENDPOINT_INT_OUT UEIENX, (1 << RXOUTE), UEINTX, (1 << RXOUTI) #if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER) || defined(__DOXYGEN__) /** Indicates the number of bytes currently stored in the current endpoint's selected bank. */ - #define Endpoint_BytesInEndpoint() UEBCX + #define Endpoint_BytesInEndpoint() UEBCX #else - #define Endpoint_BytesInEndpoint() UEBCLX + #define Endpoint_BytesInEndpoint() UEBCLX #endif /** Returns 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. */ - #define Endpoint_GetCurrentEndpoint() (UENUM & ENDPOINT_EPNUM_MASK) + #define Endpoint_GetCurrentEndpoint() (UENUM & ENDPOINT_EPNUM_MASK) /** Selects the given endpoint number. If the address from the device descriptors is used, the * value should be masked with the ENDPOINT_EPNUM_MASK constant to extract only the endpoint @@ -169,12 +185,12 @@ * Any endpoint operations which do not require the endpoint number to be indicated will operate on * the currently selected endpoint. */ - #define Endpoint_SelectEndpoint(epnum) MACROS{ UENUM = epnum; }MACROE + #define Endpoint_SelectEndpoint(epnum) MACROS{ UENUM = epnum; }MACROE /** 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. */ - #define Endpoint_ResetFIFO(epnum) MACROS{ UERST = (1 << epnum); UERST = 0; }MACROE + #define Endpoint_ResetFIFO(epnum) MACROS{ UERST = (1 << epnum); UERST = 0; }MACROE /** Enables the currently selected endpoint so that data can be sent and received through it to * and from a host. @@ -182,15 +198,15 @@ * \note Endpoints must first be configured properly rather than just being enabled via the * Endpoint_ConfigureEndpoint() macro, which calls Endpoint_EnableEndpoint() automatically. */ - #define Endpoint_EnableEndpoint() MACROS{ UECONX |= (1 << EPEN); }MACROE + #define Endpoint_EnableEndpoint() MACROS{ UECONX |= (1 << EPEN); }MACROE /** Disables the currently selected endpoint so that data cannot be sent and received through it * to and from a host. */ - #define Endpoint_DisableEndpoint() MACROS{ UECONX &= ~(1 << EPEN); }MACROE + #define Endpoint_DisableEndpoint() MACROS{ UECONX &= ~(1 << EPEN); }MACROE /** Returns true if the currently selected endpoint is enabled, false otherwise. */ - #define Endpoint_IsEnabled() ((UECONX & (1 << EPEN)) ? true : false) + #define Endpoint_IsEnabled() ((UECONX & (1 << EPEN)) ? true : false) /** Returns true 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 @@ -198,53 +214,53 @@ * the endpoint is an OUT direction and no packet has been received, or if the endpoint is an IN * direction and the endpoint bank is full. */ - #define Endpoint_ReadWriteAllowed() ((UEINTX & (1 << RWAL)) ? true : false) + #define Endpoint_ReadWriteAllowed() ((UEINTX & (1 << RWAL)) ? true : false) /** Returns true if the currently selected endpoint is configured, false otherwise. */ - #define Endpoint_IsConfigured() ((UESTA0X & (1 << CFGOK)) ? true : false) + #define Endpoint_IsConfigured() ((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}). */ - #define Endpoint_GetEndpointInterrupts() UEINT + #define Endpoint_GetEndpointInterrupts() UEINT /** Clears the endpoint interrupt flag. This clears the specified endpoint number's interrupt * mask in the endpoint interrupt flag register. */ - #define Endpoint_ClearEndpointInterrupt(n) MACROS{ UEINT &= ~(1 << n); }MACROE + #define Endpoint_ClearEndpointInterrupt(n) MACROS{ UEINT &= ~(1 << n); }MACROE /** Returns true if the specified endpoint number has interrupted (valid only for INTERRUPT type * endpoints), false otherwise. */ - #define Endpoint_HasEndpointInterrupted(n) ((UEINT & (1 << n)) ? true : false) + #define Endpoint_HasEndpointInterrupted(n) ((UEINT & (1 << n)) ? true : false) /** Clears the currently selected endpoint bank, and switches to the alternate bank if the currently * selected endpoint is dual-banked. When cleared, this either frees the bank up for the next packet * from the host (if the endpoint is of the OUT direction) or sends the packet contents to the host * (if the endpoint is of the IN direction). */ - #define Endpoint_ClearCurrentBank() MACROS{ UEINTX &= ~(1 << FIFOCON); }MACROE + #define Endpoint_ClearCurrentBank() MACROS{ UEINTX &= ~(1 << FIFOCON); }MACROE /** Returns true if the current CONTROL type endpoint is ready for an IN packet, false otherwise. */ - #define Endpoint_IsSetupINReady() ((UEINTX & (1 << TXINI)) ? true : false) + #define Endpoint_IsSetupINReady() ((UEINTX & (1 << TXINI)) ? true : false) /** Returns true if the current CONTROL type endpoint is ready for an OUT packet, false otherwise. */ - #define Endpoint_IsSetupOUTReceived() ((UEINTX & (1 << RXOUTI)) ? true : false) + #define Endpoint_IsSetupOUTReceived() ((UEINTX & (1 << RXOUTI)) ? true : false) /** Returns true if the current CONTROL type endpoint is ready for a SETUP packet, false otherwise. */ - #define Endpoint_IsSetupReceived() ((UEINTX & (1 << RXSTPI)) ? true : false) + #define Endpoint_IsSetupReceived() ((UEINTX & (1 << RXSTPI)) ? true : false) /** Clears a received SETUP packet on the currently selected CONTROL type endpoint. */ - #define Endpoint_ClearSetupReceived() MACROS{ UEINTX &= ~(1 << RXSTPI); }MACROE + #define Endpoint_ClearSetupReceived() MACROS{ UEINTX &= ~(1 << RXSTPI); }MACROE /** Sends an IN packet to the host on the currently selected CONTROL type endpoint. */ - #define Endpoint_ClearSetupIN() MACROS{ UEINTX &= ~(1 << TXINI); }MACROE + #define Endpoint_ClearSetupIN() MACROS{ UEINTX &= ~(1 << TXINI); }MACROE - /** Acknowedges an OUT packet to the host on the currently selected CONTROL type endpoint, freeing + /** Acknowledges an OUT packet to the host on the currently selected CONTROL type endpoint, freeing * up the endpoint for the next packet. */ - #define Endpoint_ClearSetupOUT() MACROS{ UEINTX &= ~(1 << RXOUTI); }MACROE + #define Endpoint_ClearSetupOUT() MACROS{ UEINTX &= ~(1 << RXOUTI); }MACROE /** Stalls the current endpoint, indicating to the host that a logical problem occured with the * indicated endpoint and that the current transfer sequence should be aborted. This provides a @@ -255,16 +271,16 @@ * is called, or the host issues a CLEAR FEATURE request to the device for the currently selected * endpoint. */ - #define Endpoint_StallTransaction() MACROS{ UECONX |= (1 << STALLRQ); }MACROE + #define Endpoint_StallTransaction() MACROS{ UECONX |= (1 << STALLRQ); }MACROE /** Clears the stall on the currently selected endpoint. */ - #define Endpoint_ClearStall() MACROS{ UECONX |= (1 << STALLRQC); }MACROE + #define Endpoint_ClearStall() MACROS{ UECONX |= (1 << STALLRQC); }MACROE /** Returns true if the currently selected endpoint is stalled, false othewise. */ - #define Endpoint_IsStalled() ((UECONX & (1 << STALLRQ)) ? true : false) + #define Endpoint_IsStalled() ((UECONX & (1 << STALLRQ)) ? true : false) /** Resets the data toggle of the currently selected endpoint. */ - #define Endpoint_ResetDataToggle() MACROS{ UECONX |= (1 << RSTDT); }MACROE + #define Endpoint_ResetDataToggle() MACROS{ UECONX |= (1 << RSTDT); }MACROE /* Enums: */ /** Enum for the possible error return codes of the Endpoint_WaitUntilReady function */ @@ -311,19 +327,21 @@ /* Inline Functions: */ /** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints. */ - static inline uint8_t Endpoint_Read_Byte(void) ATTR_WARN_UNUSED_RESULT; + static inline uint8_t Endpoint_Read_Byte(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint8_t Endpoint_Read_Byte(void) { return UEDATX; } /** Writes one byte from the currently selected endpoint's bank, for IN direction endpoints. */ + static inline void Endpoint_Write_Byte(const uint8_t Byte) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_Byte(const uint8_t Byte) { UEDATX = Byte; } /** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints. */ + static inline void Endpoint_Discard_Byte(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_Discard_Byte(void) { uint8_t Dummy; @@ -334,7 +352,7 @@ /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT * direction endpoints. */ - static inline uint16_t Endpoint_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT; + static inline uint16_t Endpoint_Read_Word_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint16_t Endpoint_Read_Word_LE(void) { uint16_t Data; @@ -348,7 +366,7 @@ /** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT * direction endpoints. */ - static inline uint16_t Endpoint_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT; + static inline uint16_t Endpoint_Read_Word_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint16_t Endpoint_Read_Word_BE(void) { uint16_t Data; @@ -362,6 +380,7 @@ /** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN * direction endpoints. */ + static inline void Endpoint_Write_Word_LE(const uint16_t Word) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_Word_LE(const uint16_t Word) { UEDATX = (Word & 0xFF); @@ -371,6 +390,7 @@ /** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN * direction endpoints. */ + static inline void Endpoint_Write_Word_BE(const uint16_t Word) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_Word_BE(const uint16_t Word) { UEDATX = (Word >> 8); @@ -378,6 +398,7 @@ } /** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints. */ + static inline void Endpoint_Discard_Word(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_Discard_Word(void) { uint8_t Dummy; @@ -389,7 +410,7 @@ /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT * direction endpoints. */ - static inline uint32_t Endpoint_Read_DWord_LE(void) ATTR_WARN_UNUSED_RESULT; + static inline uint32_t Endpoint_Read_DWord_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint32_t Endpoint_Read_DWord_LE(void) { union @@ -409,7 +430,7 @@ /** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT * direction endpoints. */ - static inline uint32_t Endpoint_Read_DWord_BE(void) ATTR_WARN_UNUSED_RESULT; + static inline uint32_t Endpoint_Read_DWord_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; static inline uint32_t Endpoint_Read_DWord_BE(void) { union @@ -429,22 +450,29 @@ /** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN * direction endpoints. */ + static inline void Endpoint_Write_DWord_LE(const uint32_t DWord) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_DWord_LE(const uint32_t DWord) { - Endpoint_Write_Word_LE(DWord); - Endpoint_Write_Word_LE(DWord >> 16); + UEDATX = (DWord & 0xFF); + UEDATX = (DWord >> 8); + UEDATX = (DWord >> 16); + UEDATX = (DWord >> 24); } /** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN * direction endpoints. */ + static inline void Endpoint_Write_DWord_BE(const uint32_t DWord) ATTR_ALWAYS_INLINE; static inline void Endpoint_Write_DWord_BE(const uint32_t DWord) { - Endpoint_Write_Word_BE(DWord >> 16); - Endpoint_Write_Word_BE(DWord); + UEDATX = (DWord >> 24); + UEDATX = (DWord >> 16); + UEDATX = (DWord >> 8); + UEDATX = (DWord & 0xFF); } /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints. */ + static inline void Endpoint_Discard_DWord(void) ATTR_ALWAYS_INLINE; static inline void Endpoint_Discard_DWord(void) { uint8_t Dummy; @@ -640,7 +668,7 @@ ) 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 acknowedgement is not automatically cleared + * 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 Endpoint_ClearSetupOUT() macro. * @@ -657,7 +685,7 @@ uint8_t Endpoint_Write_Control_Stream_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 acknowedgement is not automatically cleared + * 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 Endpoint_ClearSetupOUT() macro. * @@ -674,7 +702,7 @@ uint8_t Endpoint_Write_Control_Stream_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 acknowedgement is not + * 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 Endpoint_ClearSetupIN() macro. * @@ -691,7 +719,7 @@ uint8_t Endpoint_Read_Control_Stream_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 acknowedgement is not + * 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 Endpoint_ClearSetupIN() macro. * @@ -771,8 +799,8 @@ /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) /* Macros: */ - #define Endpoint_AllocateMemory() MACROS{ UECFG1X |= (1 << ALLOC); }MACROE - #define Endpoint_DeallocateMemory() MACROS{ UECFG1X &= ~(1 << ALLOC); }MACROE + #define Endpoint_AllocateMemory() MACROS{ UECFG1X |= (1 << ALLOC); }MACROE + #define Endpoint_DeallocateMemory() MACROS{ UECFG1X &= ~(1 << ALLOC); }MACROE #define _ENDPOINT_GET_MAXSIZE(n) _ENDPOINT_GET_MAXSIZE2(ENDPOINT_DETAILS_EP ## n) #define _ENDPOINT_GET_MAXSIZE2(details) _ENDPOINT_GET_MAXSIZE3(details) @@ -810,7 +838,7 @@ bool Endpoint_ConfigureEndpointStatic(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_ALWAYSINLINE; + 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) { if (Bytes <= 8)