diff options
| author | Dean Camera <dean@fourwalledcubicle.com> | 2011-07-15 08:46:08 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-07-15 08:46:08 +0000 |
| commit | 0c2ad9eb349e1a5676468af3b407329dde4a53b4 (patch) | |
| tree | b3e3ee89775704f827926613b9924d927e06acd5 /LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h | |
| parent | a36012fc4b057dc1fe96f75a005cd8ba017a6a71 (diff) | |
| download | lufa-0c2ad9eb349e1a5676468af3b407329dde4a53b4.tar.gz lufa-0c2ad9eb349e1a5676468af3b407329dde4a53b4.tar.bz2 lufa-0c2ad9eb349e1a5676468af3b407329dde4a53b4.zip | |
Add missing SVN eol-style property to files where it was missing.
Diffstat (limited to 'LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h')
| -rw-r--r-- | LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h | 1752 |
1 files changed, 876 insertions, 876 deletions
diff --git a/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h index 5b37b5413..a57a568b7 100644 --- a/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h +++ b/LUFA/Drivers/USB/Core/UC3/Endpoint_UC3.h @@ -1,876 +1,876 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2011.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
- Permission to use, copy, modify, distribute, and sell this
- software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
- all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- The author disclaim all warranties with regard to this
- software, including all implied warranties of merchantability
- and fitness. In no event shall the author be liable for any
- special, indirect or consequential damages or any damages
- whatsoever resulting from loss of use, data or profits, whether
- in an action of contract, negligence or other tortious action,
- arising out of or in connection with the use or performance of
- this software.
-*/
-
-/** \file
- * \brief USB Endpoint definitions for the AVR32 UC3 microcontrollers.
- * \copydetails Group_EndpointManagement_UC3
- *
- * \note This file should not be included directly. It is automatically included as needed by the USB driver
- * dispatch header located in LUFA/Drivers/USB/USB.h.
- */
-
-/** \ingroup Group_EndpointRW
- * \defgroup Group_EndpointRW_UC3 Endpoint Data Reading and Writing (UC3)
- * \brief Endpoint data read/write definitions for the Atmel AVR32 UC3 architecture.
- *
- * Functions, macros, variables, enums and types related to data reading and writing from and to endpoints.
- */
-
-/** \ingroup Group_EndpointPrimitiveRW
- * \defgroup Group_EndpointPrimitiveRW_UC3 Read/Write of Primitive Data Types (UC3)
- * \brief Endpoint primitive read/write definitions for the Atmel AVR32 UC3 architecture.
- *
- * Functions, macros, variables, enums and types related to data reading and writing of primitive data types
- * from and to endpoints.
- */
-
-/** \ingroup Group_EndpointPacketManagement
- * \defgroup Group_EndpointPacketManagement_UC3 Endpoint Packet Management (UC3)
- * \brief Endpoint packet management definitions for the Atmel AVR32 UC3 architecture.
- *
- * Functions, macros, variables, enums and types related to packet management of endpoints.
- */
-
-/** \ingroup Group_EndpointManagement
- * \defgroup Group_EndpointManagement_UC3 Endpoint Management (UC3)
- * \brief Endpoint management definitions for the Atmel AVR32 UC3 architecture.
- *
- * 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_UC3_H__
-#define __ENDPOINT_UC3_H__
-
- /* Includes: */
- #include "../../../../Common/Common.h"
- #include "../USBTask.h"
- #include "../USBInterrupt.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Preprocessor Checks: */
- #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_UC3A0_AVR32) || defined(USB_SERIES_UC3A1_AVR32)
- #define ENDPOINT_DETAILS_MAXEP 7
-
- #define ENDPOINT_DETAILS_EP0 64, 1
- #define ENDPOINT_DETAILS_EP1 256, 2
- #define ENDPOINT_DETAILS_EP2 256, 2
- #define ENDPOINT_DETAILS_EP3 64, 2
- #define ENDPOINT_DETAILS_EP4 64, 2
- #define ENDPOINT_DETAILS_EP5 256, 2
- #define ENDPOINT_DETAILS_EP6 256, 2
- #elif defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32)
- #define ENDPOINT_DETAILS_MAXEP 8
-
- #define ENDPOINT_DETAILS_EP0 64, 1
- #define ENDPOINT_DETAILS_EP1 512, 3
- #define ENDPOINT_DETAILS_EP2 512, 3
- #define ENDPOINT_DETAILS_EP3 512, 3
- #define ENDPOINT_DETAILS_EP4 512, 3
- #define ENDPOINT_DETAILS_EP5 512, 3
- #define ENDPOINT_DETAILS_EP6 512, 3
- #define ENDPOINT_DETAILS_EP7 512, 3
- #elif defined(USB_SERIES_UC3B0_AVR32) || defined(USB_SERIES_UC3B1_AVR32)
- #define ENDPOINT_DETAILS_MAXEP 7
-
- #define ENDPOINT_DETAILS_EP0 64, 1
- #define ENDPOINT_DETAILS_EP1 64, 2
- #define ENDPOINT_DETAILS_EP2 64, 2
- #define ENDPOINT_DETAILS_EP3 64, 2
- #define ENDPOINT_DETAILS_EP4 64, 2
- #define ENDPOINT_DETAILS_EP5 256, 2
- #define ENDPOINT_DETAILS_EP6 256, 2
- #endif
-
- #define ENDPOINT_HSB_ADDRESS_SPACE_SIZE (64 * 1024UL)
-
- /* Inline Functions: */
- static inline uint32_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST
- ATTR_ALWAYS_INLINE;
- static inline uint32_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes)
- {
- uint8_t MaskVal = 0;
- uint16_t CheckBytes = 8;
-
- while (CheckBytes < Bytes)
- {
- MaskVal++;
- CheckBytes <<= 1;
- }
-
- return (MaskVal << AVR32_USBB_EPSIZE_OFFSET);
- }
-
- /* Function Prototypes: */
- void Endpoint_ClearEndpoints(void);
- bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number,
- const uint32_t UECFGXData);
-
- /* External Variables: */
- extern volatile uint32_t USB_SelectedEndpoint;
- extern volatile uint8_t* USB_EndpointFIFOPos[];
- #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 AVR32_USBB_UECFG0_EPDIR_OUT
-
- /** 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 AVR32_USBB_UECFG0_EPDIR_IN
- //@}
-
- /** \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 AVR32_USBB_UECFG0_EPBK_SINGLE
-
- /** 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 AVR32_USBB_UECFG0_EPBK_DOUBLE
-
- #if defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) || defined(__DOXYGEN__)
- /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates
- * that the endpoint should have three 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 remaining banks.
- *
- * \note Not available on all AVR models.
- */
- #define ENDPOINT_BANK_TRIPLE AVR32_USBB_UECFG0_EPBK_TRIPLE
- #endif
- //@}
-
- #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
- * value in the device descriptor. Not available if the \c FIXED_CONTROL_ENDPOINT_SIZE token is defined.
- */
- #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8
- #endif
-
- /** Retrieves the maximum bank size in bytes of a given endpoint.
- *
- * \note This macro will only work correctly on endpoint indexes that are compile-time constants
- * defined by the preprocessor.
- *
- * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1)
- */
- #define ENDPOINT_MAX_SIZE(EPIndex) _ENDPOINT_GET_MAXSIZE(EPIndex)
-
- /** Retrieves the total number of banks supported by the given endpoint.
- *
- * \note This macro will only work correctly on endpoint indexes that are compile-time constants
- * defined by the preprocessor.
- *
- * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1)
- */
- #define ENDPOINT_BANKS_SUPPORTED(EPIndex) _ENDPOINT_GET_BANKS(EPIndex)
-
- #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 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
- #endif
-
- /* Enums: */
- /** Enum for the possible error return codes of the \ref Endpoint_WaitUntilReady() function.
- *
- * \ingroup Group_EndpointRW_UC3
- */
- enum Endpoint_WaitUntilReady_ErrorCodes_t
- {
- ENDPOINT_READYWAIT_NoError = 0, /**< Endpoint is ready for next packet, no error. */
- ENDPOINT_READYWAIT_EndpointStalled = 1, /**< The endpoint was stalled during the stream
- * transfer by the host or device.
- */
- ENDPOINT_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while
- * waiting for the endpoint to become ready.
- */
- ENDPOINT_READYWAIT_BusSuspended = 3, /**< The USB bus has been suspended by the host and
- * no USB endpoint traffic can occur until the bus
- * has resumed.
- */
- ENDPOINT_READYWAIT_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.
- */
- };
-
- /* 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.
- *
- * \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 \c 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 \c 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 When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints <b>must</b> be configured in
- * ascending order, or bank corruption will occur.
- * \n\n
- *
- * \note Different endpoints may have different maximum packet sizes based on the endpoint's index - refer to
- * the chosen microcontroller model'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 \c true if the configuration succeeded, \c false otherwise.
- */
- 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)
- {
- return Endpoint_ConfigureEndpoint_Prv(Number, (AVR32_USBB_ALLOC_MASK |
- ((uint32_t)Type << AVR32_USBB_EPTYPE_OFFSET) |
- ((uint32_t)Direction << AVR32_USBB_EPDIR_OFFSET) |
- ((uint32_t)Banks << AVR32_USBB_EPBK_OFFSET) |
- Endpoint_BytesToEPSizeMask(Size)));
- }
-
- /** 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
- * of the selected AVR model.
- *
- * \ingroup Group_EndpointRW_UC3
- *
- * \return Total number of bytes in the currently selected Endpoint's FIFO buffer.
- */
- static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint16_t Endpoint_BytesInEndpoint(void)
- {
- return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].byct;
- }
-
- /** 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.
- *
- * \return Index of the currently selected endpoint.
- */
- static inline uint8_t Endpoint_GetCurrentEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint8_t Endpoint_GetCurrentEndpoint(void)
- {
- return USB_SelectedEndpoint;
- }
-
- /** 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).
- *
- * Any endpoint operations which do not require the endpoint number to be indicated will operate on
- * the currently selected endpoint.
- *
- * \param[in] EndpointNumber Endpoint number to select.
- */
- static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber)
- {
- USB_SelectedEndpoint = EndpointNumber;
- }
-
- /** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's
- * data In and Out pointers to the bank's contents.
- *
- * \param[in] EndpointNumber Endpoint number whose FIFO buffers are to be reset.
- */
- static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber)
- {
- AVR32_USBB.uerst |= (AVR32_USBB_EPRST0_MASK << EndpointNumber);
- AVR32_USBB.uerst &= ~(AVR32_USBB_EPRST0_MASK << EndpointNumber);
- USB_EndpointFIFOPos[EndpointNumber] = &AVR32_USBB_SLAVE[EndpointNumber * ENDPOINT_HSB_ADDRESS_SPACE_SIZE];
- }
-
- /** Enables the currently selected endpoint so that data can be sent and received through it to
- * and from a host.
- *
- * \note Endpoints must first be configured properly via \ref Endpoint_ConfigureEndpoint().
- */
- static inline void Endpoint_EnableEndpoint(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_EnableEndpoint(void)
- {
- AVR32_USBB.uerst |= (AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint);
- }
-
- /** Disables the currently selected endpoint so that data cannot be sent and received through it
- * to and from a host.
- */
- static inline void Endpoint_DisableEndpoint(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_DisableEndpoint(void)
- {
- AVR32_USBB.uerst &= ~(AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint);
- }
-
- /** Determines if the currently selected endpoint is enabled, but not necessarily configured.
- *
- * \return Boolean \c true if the currently selected endpoint is enabled, \c false otherwise.
- */
- static inline bool Endpoint_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline bool Endpoint_IsEnabled(void)
- {
- return ((AVR32_USBB.uerst & (AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint)) ? true : false);
- }
-
- /** 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_UC3
- *
- * \return Total number of busy banks in the selected endpoint.
- */
- static inline uint8_t Endpoint_GetBusyBanks(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
- static inline uint8_t Endpoint_GetBusyBanks(void)
- {
- return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].nbusybk;
- }
-
- /** 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_UC3
- */
- static inline void Endpoint_AbortPendingIN(void)
- {
- while (Endpoint_GetBusyBanks() != 0)
- {
- (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].killbks = true;
- while ((&AVR32_USBB.UECON0)[USB_SelectedEndpoint].killbk);
- }
- }
-
- /** 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
- * is an OUT direction and no packet (or an empty packet) has been received, or if the endpoint is an IN
- * direction and the endpoint bank is full.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- *
- * \return Boolean \c true if the currently selected endpoint may be read from or written to, depending
- * on its direction.
- */
- static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline bool Endpoint_IsReadWriteAllowed(void)
- {
- return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rwall;
- }
-
- /** Determines if the currently selected endpoint is configured.
- *
- * \return Boolean \c true if the currently selected endpoint has been configured, \c false otherwise.
- */
- static inline bool Endpoint_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline bool Endpoint_IsConfigured(void)
- {
- return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].cfgok;
- }
-
- /** 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 <tt>(1 << <i>{Endpoint Number}</i>)</tt>.
- *
- * \return Mask whose bits indicate which endpoints have interrupted.
- */
- static inline uint8_t Endpoint_GetEndpointInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint8_t Endpoint_GetEndpointInterrupts(void)
- {
- return ((AVR32_USBB.udint & (AVR32_USBB_EP6INT_MASK | AVR32_USBB_EP5INT_MASK |
- AVR32_USBB_EP4INT_MASK | AVR32_USBB_EP3INT_MASK |
- AVR32_USBB_EP2INT_MASK | AVR32_USBB_EP1INT_MASK |
- AVR32_USBB_EP0INT_MASK)) >> AVR32_USBB_EP0INT_OFFSET);
- }
-
- /** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type
- * endpoints).
- *
- * \param[in] EndpointNumber Index of the endpoint whose interrupt flag should be tested.
- *
- * \return Boolean \c true if the specified endpoint has interrupted, \c false otherwise.
- */
- static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber)
- {
- return ((Endpoint_GetEndpointInterrupts() & (AVR32_USBB_EP0INT_MASK << EndpointNumber)) ? true : false);
- }
-
- /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- *
- * \return Boolean \c true if the current endpoint is ready for an IN packet, \c false otherwise.
- */
- static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline bool Endpoint_IsINReady(void)
- {
- return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].txini;
- }
-
- /** Determines if the selected OUT endpoint has received new packet from the host.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- *
- * \return Boolean \c true if current endpoint is has received an OUT packet, \c false otherwise.
- */
- static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline bool Endpoint_IsOUTReceived(void)
- {
- return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rxouti;
- }
-
- /** Determines if the current CONTROL type endpoint has received a SETUP packet.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- *
- * \return Boolean \c true if the selected endpoint has received a SETUP packet, \c false otherwise.
- */
- static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline bool Endpoint_IsSETUPReceived(void)
- {
- return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rxstpi;
- }
-
- /** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the
- * endpoint for the next packet.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- *
- * \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)
- {
- (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].rxstpic = true;
- USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE];
- }
-
- /** 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.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- */
- static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_ClearIN(void)
- {
- (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].txinic = true;
- (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].fifoconc = true;
- USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE];
- }
-
- /** 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.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- */
- static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_ClearOUT(void)
- {
- (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].rxoutic = true;
- (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].fifoconc = true;
- USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE];
- }
-
- /** 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
- * aborted and the host can begin its own recovery sequence.
- *
- * The currently selected endpoint remains stalled until either the \ref Endpoint_ClearStall() macro
- * is called, or the host issues a CLEAR FEATURE request to the device for the currently selected
- * endpoint.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- */
- static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_StallTransaction(void)
- {
- (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].stallrqs = true;
- }
-
- /** Clears the STALL condition on the currently selected endpoint.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- */
- static inline void Endpoint_ClearStall(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_ClearStall(void)
- {
- (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].stallrqc = true;
- }
-
- /** Determines if the currently selected endpoint is stalled, false otherwise.
- *
- * \ingroup Group_EndpointPacketManagement_UC3
- *
- * \return Boolean \c true if the currently selected endpoint is stalled, \c false otherwise.
- */
- static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline bool Endpoint_IsStalled(void)
- {
- return (&AVR32_USBB.UECON0)[USB_SelectedEndpoint].stallrq;
- }
-
- /** Resets the data toggle of the currently selected endpoint. */
- static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_ResetDataToggle(void)
- {
- (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].rstdts = true;
- }
-
- /** Determines the currently selected endpoint's direction.
- *
- * \return The currently selected endpoint's direction, as a \c ENDPOINT_DIR_* mask.
- */
- static inline uint32_t Endpoint_GetEndpointDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint32_t Endpoint_GetEndpointDirection(void)
- {
- return ((&AVR32_USBB.UECFG0)[USB_SelectedEndpoint].epdir ? ENDPOINT_DIR_IN : ENDPOINT_DIR_OUT);
- }
-
- /** Sets the direction of the currently selected endpoint.
- *
- * \param[in] DirectionMask New endpoint direction, as a \c ENDPOINT_DIR_* mask.
- */
- static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask)
- {
- (&AVR32_USBB.UECFG0)[USB_SelectedEndpoint].epdir = (DirectionMask == ENDPOINT_DIR_IN);
- }
-
- /** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \return Next byte in the currently selected endpoint's FIFO buffer.
- */
- static inline uint8_t Endpoint_Read_8(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint8_t Endpoint_Read_8(void)
- {
- return *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- }
-
- /** Writes one byte to the currently selected endpoint's bank, for IN direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \param[in] Data Data to write into the the currently selected endpoint's FIFO buffer.
- */
- static inline void Endpoint_Write_8(const uint8_t Data) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_Write_8(const uint8_t Data)
- {
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = Data;
- }
-
- /** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- */
- static inline void Endpoint_Discard_8(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_Discard_8(void)
- {
- uint8_t Dummy;
-
- Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- }
-
- /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT
- * direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \return Next two bytes in the currently selected endpoint's FIFO buffer.
- */
- static inline uint16_t Endpoint_Read_16_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint16_t Endpoint_Read_16_LE(void)
- {
- uint16_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- uint16_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
-
- return ((Byte0 << 8) | Byte1);
- }
-
- /** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT
- * direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \return Next two bytes in the currently selected endpoint's FIFO buffer.
- */
- static inline uint16_t Endpoint_Read_16_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint16_t Endpoint_Read_16_BE(void)
- {
- uint16_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- uint16_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
-
- return ((Byte0 << 8) | Byte1);
- }
-
- /** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN
- * direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer.
- */
- static inline void Endpoint_Write_16_LE(const uint16_t Data) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_Write_16_LE(const uint16_t Data)
- {
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 8);
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data & 0xFF);
- }
-
- /** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN
- * direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer.
- */
- static inline void Endpoint_Write_16_BE(const uint16_t Data) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_Write_16_BE(const uint16_t Data)
- {
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data & 0xFF);
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 8);
- }
-
- /** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- */
- static inline void Endpoint_Discard_16(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_Discard_16(void)
- {
- uint8_t Dummy;
-
- Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- }
-
- /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT
- * direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \return Next four bytes in the currently selected endpoint's FIFO buffer.
- */
- static inline uint32_t Endpoint_Read_32_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint32_t Endpoint_Read_32_LE(void)
- {
- uint32_t Byte3 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- uint32_t Byte2 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- uint32_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- uint32_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
-
- return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3);
- }
-
- /** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT
- * direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \return Next four bytes in the currently selected endpoint's FIFO buffer.
- */
- static inline uint32_t Endpoint_Read_32_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
- static inline uint32_t Endpoint_Read_32_BE(void)
- {
- uint32_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- uint32_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- uint32_t Byte2 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- uint32_t Byte3 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
-
- return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3);
- }
-
- /** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN
- * direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer.
- */
- static inline void Endpoint_Write_32_LE(const uint32_t Data) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_Write_32_LE(const uint32_t Data)
- {
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 24);
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 16);
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 8);
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data & 0xFF);
- }
-
- /** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN
- * direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- *
- * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer.
- */
- static inline void Endpoint_Write_32_BE(const uint32_t Data) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_Write_32_BE(const uint32_t Data)
- {
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data & 0xFF);
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 8);
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 16);
- *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 24);
- }
-
- /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints.
- *
- * \ingroup Group_EndpointPrimitiveRW_UC3
- */
- static inline void Endpoint_Discard_32(void) ATTR_ALWAYS_INLINE;
- static inline void Endpoint_Discard_32(void)
- {
- uint8_t Dummy;
-
- Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++);
- }
-
- /* External Variables: */
- /** Global indicating the maximum packet size of the default control endpoint located at address
- * 0 in the device. This value is set to the value indicated in the device descriptor in the user
- * project once the USB interface is initialized into device mode.
- *
- * If space is an issue, it is possible to fix this to a static value by defining the control
- * endpoint size in the \c FIXED_CONTROL_ENDPOINT_SIZE token passed to the compiler in the makefile
- * via the -D switch. When a fixed control endpoint size is used, the size is no longer dynamically
- * read from the descriptors at runtime and instead fixed to the given value. When used, it is
- * important that the descriptor control endpoint size value matches the size given as the
- * \c FIXED_CONTROL_ENDPOINT_SIZE token - it is recommended that the \c FIXED_CONTROL_ENDPOINT_SIZE token
- * be used in the device descriptors to ensure this.
- *
- * \note This variable should be treated as read-only in the user application, and never manually
- * changed in value.
- */
- #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__))
- extern uint8_t USB_Device_ControlEndpointSize;
- #else
- #define USB_Device_ControlEndpointSize FIXED_CONTROL_ENDPOINT_SIZE
- #endif
-
- /* Function Prototypes: */
- /** 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);
-
- /** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data
- * to be read or written to it.
- *
- * \note This routine should not be called on CONTROL type endpoints.
- *
- * \ingroup Group_EndpointRW_UC3
- *
- * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum.
- */
- uint8_t Endpoint_WaitUntilReady(void);
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
+/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaim all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * \brief USB Endpoint definitions for the AVR32 UC3 microcontrollers. + * \copydetails Group_EndpointManagement_UC3 + * + * \note This file should not be included directly. It is automatically included as needed by the USB driver + * dispatch header located in LUFA/Drivers/USB/USB.h. + */ + +/** \ingroup Group_EndpointRW + * \defgroup Group_EndpointRW_UC3 Endpoint Data Reading and Writing (UC3) + * \brief Endpoint data read/write definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing from and to endpoints. + */ + +/** \ingroup Group_EndpointPrimitiveRW + * \defgroup Group_EndpointPrimitiveRW_UC3 Read/Write of Primitive Data Types (UC3) + * \brief Endpoint primitive read/write definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to data reading and writing of primitive data types + * from and to endpoints. + */ + +/** \ingroup Group_EndpointPacketManagement + * \defgroup Group_EndpointPacketManagement_UC3 Endpoint Packet Management (UC3) + * \brief Endpoint packet management definitions for the Atmel AVR32 UC3 architecture. + * + * Functions, macros, variables, enums and types related to packet management of endpoints. + */ + +/** \ingroup Group_EndpointManagement + * \defgroup Group_EndpointManagement_UC3 Endpoint Management (UC3) + * \brief Endpoint management definitions for the Atmel AVR32 UC3 architecture. + * + * 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_UC3_H__ +#define __ENDPOINT_UC3_H__ + + /* Includes: */ + #include "../../../../Common/Common.h" + #include "../USBTask.h" + #include "../USBInterrupt.h" + + /* Enable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + extern "C" { + #endif + + /* Preprocessor Checks: */ + #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_UC3A0_AVR32) || defined(USB_SERIES_UC3A1_AVR32) + #define ENDPOINT_DETAILS_MAXEP 7 + + #define ENDPOINT_DETAILS_EP0 64, 1 + #define ENDPOINT_DETAILS_EP1 256, 2 + #define ENDPOINT_DETAILS_EP2 256, 2 + #define ENDPOINT_DETAILS_EP3 64, 2 + #define ENDPOINT_DETAILS_EP4 64, 2 + #define ENDPOINT_DETAILS_EP5 256, 2 + #define ENDPOINT_DETAILS_EP6 256, 2 + #elif defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) + #define ENDPOINT_DETAILS_MAXEP 8 + + #define ENDPOINT_DETAILS_EP0 64, 1 + #define ENDPOINT_DETAILS_EP1 512, 3 + #define ENDPOINT_DETAILS_EP2 512, 3 + #define ENDPOINT_DETAILS_EP3 512, 3 + #define ENDPOINT_DETAILS_EP4 512, 3 + #define ENDPOINT_DETAILS_EP5 512, 3 + #define ENDPOINT_DETAILS_EP6 512, 3 + #define ENDPOINT_DETAILS_EP7 512, 3 + #elif defined(USB_SERIES_UC3B0_AVR32) || defined(USB_SERIES_UC3B1_AVR32) + #define ENDPOINT_DETAILS_MAXEP 7 + + #define ENDPOINT_DETAILS_EP0 64, 1 + #define ENDPOINT_DETAILS_EP1 64, 2 + #define ENDPOINT_DETAILS_EP2 64, 2 + #define ENDPOINT_DETAILS_EP3 64, 2 + #define ENDPOINT_DETAILS_EP4 64, 2 + #define ENDPOINT_DETAILS_EP5 256, 2 + #define ENDPOINT_DETAILS_EP6 256, 2 + #endif + + #define ENDPOINT_HSB_ADDRESS_SPACE_SIZE (64 * 1024UL) + + /* Inline Functions: */ + static inline uint32_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST + ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_BytesToEPSizeMask(const uint16_t Bytes) + { + uint8_t MaskVal = 0; + uint16_t CheckBytes = 8; + + while (CheckBytes < Bytes) + { + MaskVal++; + CheckBytes <<= 1; + } + + return (MaskVal << AVR32_USBB_EPSIZE_OFFSET); + } + + /* Function Prototypes: */ + void Endpoint_ClearEndpoints(void); + bool Endpoint_ConfigureEndpoint_Prv(const uint8_t Number, + const uint32_t UECFGXData); + + /* External Variables: */ + extern volatile uint32_t USB_SelectedEndpoint; + extern volatile uint8_t* USB_EndpointFIFOPos[]; + #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 AVR32_USBB_UECFG0_EPDIR_OUT + + /** 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 AVR32_USBB_UECFG0_EPDIR_IN + //@} + + /** \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 AVR32_USBB_UECFG0_EPBK_SINGLE + + /** 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 AVR32_USBB_UECFG0_EPBK_DOUBLE + + #if defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) || defined(__DOXYGEN__) + /** Mask for the bank mode selection for the \ref Endpoint_ConfigureEndpoint() macro. This indicates + * that the endpoint should have three 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 remaining banks. + * + * \note Not available on all AVR models. + */ + #define ENDPOINT_BANK_TRIPLE AVR32_USBB_UECFG0_EPBK_TRIPLE + #endif + //@} + + #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 + * value in the device descriptor. Not available if the \c FIXED_CONTROL_ENDPOINT_SIZE token is defined. + */ + #define ENDPOINT_CONTROLEP_DEFAULT_SIZE 8 + #endif + + /** Retrieves the maximum bank size in bytes of a given endpoint. + * + * \note This macro will only work correctly on endpoint indexes that are compile-time constants + * defined by the preprocessor. + * + * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1) + */ + #define ENDPOINT_MAX_SIZE(EPIndex) _ENDPOINT_GET_MAXSIZE(EPIndex) + + /** Retrieves the total number of banks supported by the given endpoint. + * + * \note This macro will only work correctly on endpoint indexes that are compile-time constants + * defined by the preprocessor. + * + * \param[in] EPIndex Endpoint number, a value between 0 and (\ref ENDPOINT_TOTAL_ENDPOINTS - 1) + */ + #define ENDPOINT_BANKS_SUPPORTED(EPIndex) _ENDPOINT_GET_BANKS(EPIndex) + + #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 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 + #endif + + /* Enums: */ + /** Enum for the possible error return codes of the \ref Endpoint_WaitUntilReady() function. + * + * \ingroup Group_EndpointRW_UC3 + */ + enum Endpoint_WaitUntilReady_ErrorCodes_t + { + ENDPOINT_READYWAIT_NoError = 0, /**< Endpoint is ready for next packet, no error. */ + ENDPOINT_READYWAIT_EndpointStalled = 1, /**< The endpoint was stalled during the stream + * transfer by the host or device. + */ + ENDPOINT_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while + * waiting for the endpoint to become ready. + */ + ENDPOINT_READYWAIT_BusSuspended = 3, /**< The USB bus has been suspended by the host and + * no USB endpoint traffic can occur until the bus + * has resumed. + */ + ENDPOINT_READYWAIT_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. + */ + }; + + /* 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. + * + * \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 \c 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 \c 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 When the \c ORDERED_EP_CONFIG compile time option is used, Endpoints <b>must</b> be configured in + * ascending order, or bank corruption will occur. + * \n\n + * + * \note Different endpoints may have different maximum packet sizes based on the endpoint's index - refer to + * the chosen microcontroller model'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 \c true if the configuration succeeded, \c false otherwise. + */ + 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) + { + return Endpoint_ConfigureEndpoint_Prv(Number, (AVR32_USBB_ALLOC_MASK | + ((uint32_t)Type << AVR32_USBB_EPTYPE_OFFSET) | + ((uint32_t)Direction << AVR32_USBB_EPDIR_OFFSET) | + ((uint32_t)Banks << AVR32_USBB_EPBK_OFFSET) | + Endpoint_BytesToEPSizeMask(Size))); + } + + /** 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 + * of the selected AVR model. + * + * \ingroup Group_EndpointRW_UC3 + * + * \return Total number of bytes in the currently selected Endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_BytesInEndpoint(void) + { + return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].byct; + } + + /** 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. + * + * \return Index of the currently selected endpoint. + */ + static inline uint8_t Endpoint_GetCurrentEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_GetCurrentEndpoint(void) + { + return USB_SelectedEndpoint; + } + + /** 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). + * + * Any endpoint operations which do not require the endpoint number to be indicated will operate on + * the currently selected endpoint. + * + * \param[in] EndpointNumber Endpoint number to select. + */ + static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE; + static inline void Endpoint_SelectEndpoint(const uint8_t EndpointNumber) + { + USB_SelectedEndpoint = EndpointNumber; + } + + /** Resets the endpoint bank FIFO. This clears all the endpoint banks and resets the USB controller's + * data In and Out pointers to the bank's contents. + * + * \param[in] EndpointNumber Endpoint number whose FIFO buffers are to be reset. + */ + static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ResetEndpoint(const uint8_t EndpointNumber) + { + AVR32_USBB.uerst |= (AVR32_USBB_EPRST0_MASK << EndpointNumber); + AVR32_USBB.uerst &= ~(AVR32_USBB_EPRST0_MASK << EndpointNumber); + USB_EndpointFIFOPos[EndpointNumber] = &AVR32_USBB_SLAVE[EndpointNumber * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + } + + /** Enables the currently selected endpoint so that data can be sent and received through it to + * and from a host. + * + * \note Endpoints must first be configured properly via \ref Endpoint_ConfigureEndpoint(). + */ + static inline void Endpoint_EnableEndpoint(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_EnableEndpoint(void) + { + AVR32_USBB.uerst |= (AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint); + } + + /** Disables the currently selected endpoint so that data cannot be sent and received through it + * to and from a host. + */ + static inline void Endpoint_DisableEndpoint(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_DisableEndpoint(void) + { + AVR32_USBB.uerst &= ~(AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint); + } + + /** Determines if the currently selected endpoint is enabled, but not necessarily configured. + * + * \return Boolean \c true if the currently selected endpoint is enabled, \c false otherwise. + */ + static inline bool Endpoint_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsEnabled(void) + { + return ((AVR32_USBB.uerst & (AVR32_USBB_EPEN0_MASK << USB_SelectedEndpoint)) ? true : false); + } + + /** 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_UC3 + * + * \return Total number of busy banks in the selected endpoint. + */ + static inline uint8_t Endpoint_GetBusyBanks(void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT; + static inline uint8_t Endpoint_GetBusyBanks(void) + { + return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].nbusybk; + } + + /** 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_UC3 + */ + static inline void Endpoint_AbortPendingIN(void) + { + while (Endpoint_GetBusyBanks() != 0) + { + (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].killbks = true; + while ((&AVR32_USBB.UECON0)[USB_SelectedEndpoint].killbk); + } + } + + /** 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 + * is an OUT direction and no packet (or an empty packet) has been received, or if the endpoint is an IN + * direction and the endpoint bank is full. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if the currently selected endpoint may be read from or written to, depending + * on its direction. + */ + static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsReadWriteAllowed(void) + { + return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rwall; + } + + /** Determines if the currently selected endpoint is configured. + * + * \return Boolean \c true if the currently selected endpoint has been configured, \c false otherwise. + */ + static inline bool Endpoint_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsConfigured(void) + { + return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].cfgok; + } + + /** 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 <tt>(1 << <i>{Endpoint Number}</i>)</tt>. + * + * \return Mask whose bits indicate which endpoints have interrupted. + */ + static inline uint8_t Endpoint_GetEndpointInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_GetEndpointInterrupts(void) + { + return ((AVR32_USBB.udint & (AVR32_USBB_EP6INT_MASK | AVR32_USBB_EP5INT_MASK | + AVR32_USBB_EP4INT_MASK | AVR32_USBB_EP3INT_MASK | + AVR32_USBB_EP2INT_MASK | AVR32_USBB_EP1INT_MASK | + AVR32_USBB_EP0INT_MASK)) >> AVR32_USBB_EP0INT_OFFSET); + } + + /** Determines if the specified endpoint number has interrupted (valid only for INTERRUPT type + * endpoints). + * + * \param[in] EndpointNumber Index of the endpoint whose interrupt flag should be tested. + * + * \return Boolean \c true if the specified endpoint has interrupted, \c false otherwise. + */ + static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_HasEndpointInterrupted(const uint8_t EndpointNumber) + { + return ((Endpoint_GetEndpointInterrupts() & (AVR32_USBB_EP0INT_MASK << EndpointNumber)) ? true : false); + } + + /** Determines if the selected IN endpoint is ready for a new packet to be sent to the host. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if the current endpoint is ready for an IN packet, \c false otherwise. + */ + static inline bool Endpoint_IsINReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsINReady(void) + { + return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].txini; + } + + /** Determines if the selected OUT endpoint has received new packet from the host. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if current endpoint is has received an OUT packet, \c false otherwise. + */ + static inline bool Endpoint_IsOUTReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsOUTReceived(void) + { + return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rxouti; + } + + /** Determines if the current CONTROL type endpoint has received a SETUP packet. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if the selected endpoint has received a SETUP packet, \c false otherwise. + */ + static inline bool Endpoint_IsSETUPReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsSETUPReceived(void) + { + return (&AVR32_USBB.UESTA0)[USB_SelectedEndpoint].rxstpi; + } + + /** Clears a received SETUP packet on the currently selected CONTROL type endpoint, freeing up the + * endpoint for the next packet. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \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) + { + (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].rxstpic = true; + USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + } + + /** 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. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_ClearIN(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearIN(void) + { + (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].txinic = true; + (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].fifoconc = true; + USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + } + + /** 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. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_ClearOUT(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearOUT(void) + { + (&AVR32_USBB.UESTA0CLR)[USB_SelectedEndpoint].rxoutic = true; + (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].fifoconc = true; + USB_EndpointFIFOPos[USB_SelectedEndpoint] = &AVR32_USBB_SLAVE[USB_SelectedEndpoint * ENDPOINT_HSB_ADDRESS_SPACE_SIZE]; + } + + /** 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 + * aborted and the host can begin its own recovery sequence. + * + * The currently selected endpoint remains stalled until either the \ref Endpoint_ClearStall() macro + * is called, or the host issues a CLEAR FEATURE request to the device for the currently selected + * endpoint. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_StallTransaction(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_StallTransaction(void) + { + (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].stallrqs = true; + } + + /** Clears the STALL condition on the currently selected endpoint. + * + * \ingroup Group_EndpointPacketManagement_UC3 + */ + static inline void Endpoint_ClearStall(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ClearStall(void) + { + (&AVR32_USBB.UECON0CLR)[USB_SelectedEndpoint].stallrqc = true; + } + + /** Determines if the currently selected endpoint is stalled, false otherwise. + * + * \ingroup Group_EndpointPacketManagement_UC3 + * + * \return Boolean \c true if the currently selected endpoint is stalled, \c false otherwise. + */ + static inline bool Endpoint_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline bool Endpoint_IsStalled(void) + { + return (&AVR32_USBB.UECON0)[USB_SelectedEndpoint].stallrq; + } + + /** Resets the data toggle of the currently selected endpoint. */ + static inline void Endpoint_ResetDataToggle(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_ResetDataToggle(void) + { + (&AVR32_USBB.UECON0SET)[USB_SelectedEndpoint].rstdts = true; + } + + /** Determines the currently selected endpoint's direction. + * + * \return The currently selected endpoint's direction, as a \c ENDPOINT_DIR_* mask. + */ + static inline uint32_t Endpoint_GetEndpointDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_GetEndpointDirection(void) + { + return ((&AVR32_USBB.UECFG0)[USB_SelectedEndpoint].epdir ? ENDPOINT_DIR_IN : ENDPOINT_DIR_OUT); + } + + /** Sets the direction of the currently selected endpoint. + * + * \param[in] DirectionMask New endpoint direction, as a \c ENDPOINT_DIR_* mask. + */ + static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) ATTR_ALWAYS_INLINE; + static inline void Endpoint_SetEndpointDirection(const uint32_t DirectionMask) + { + (&AVR32_USBB.UECFG0)[USB_SelectedEndpoint].epdir = (DirectionMask == ENDPOINT_DIR_IN); + } + + /** Reads one byte from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next byte in the currently selected endpoint's FIFO buffer. + */ + static inline uint8_t Endpoint_Read_8(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint8_t Endpoint_Read_8(void) + { + return *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + } + + /** Writes one byte to the currently selected endpoint's bank, for IN direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write into the the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_8(const uint8_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_8(const uint8_t Data) + { + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = Data; + } + + /** Discards one byte from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + */ + static inline void Endpoint_Discard_8(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_8(void) + { + uint8_t Dummy; + + Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + } + + /** Reads two bytes from the currently selected endpoint's bank in little endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next two bytes in the currently selected endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_Read_16_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_Read_16_LE(void) + { + uint16_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + uint16_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + + return ((Byte0 << 8) | Byte1); + } + + /** Reads two bytes from the currently selected endpoint's bank in big endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next two bytes in the currently selected endpoint's FIFO buffer. + */ + static inline uint16_t Endpoint_Read_16_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint16_t Endpoint_Read_16_BE(void) + { + uint16_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + uint16_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + + return ((Byte0 << 8) | Byte1); + } + + /** Writes two bytes to the currently selected endpoint's bank in little endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_16_LE(const uint16_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_16_LE(const uint16_t Data) + { + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 8); + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data & 0xFF); + } + + /** Writes two bytes to the currently selected endpoint's bank in big endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_16_BE(const uint16_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_16_BE(const uint16_t Data) + { + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data & 0xFF); + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 8); + } + + /** Discards two bytes from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + */ + static inline void Endpoint_Discard_16(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_16(void) + { + uint8_t Dummy; + + Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + } + + /** Reads four bytes from the currently selected endpoint's bank in little endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next four bytes in the currently selected endpoint's FIFO buffer. + */ + static inline uint32_t Endpoint_Read_32_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_Read_32_LE(void) + { + uint32_t Byte3 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + uint32_t Byte2 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + uint32_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + uint32_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + + return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3); + } + + /** Reads four bytes from the currently selected endpoint's bank in big endian format, for OUT + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \return Next four bytes in the currently selected endpoint's FIFO buffer. + */ + static inline uint32_t Endpoint_Read_32_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; + static inline uint32_t Endpoint_Read_32_BE(void) + { + uint32_t Byte0 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + uint32_t Byte1 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + uint32_t Byte2 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + uint32_t Byte3 = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + + return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3); + } + + /** Writes four bytes to the currently selected endpoint's bank in little endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_32_LE(const uint32_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_32_LE(const uint32_t Data) + { + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 24); + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 16); + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 8); + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data & 0xFF); + } + + /** Writes four bytes to the currently selected endpoint's bank in big endian format, for IN + * direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + * + * \param[in] Data Data to write to the currently selected endpoint's FIFO buffer. + */ + static inline void Endpoint_Write_32_BE(const uint32_t Data) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Write_32_BE(const uint32_t Data) + { + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data & 0xFF); + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 8); + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 16); + *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++) = (Data >> 24); + } + + /** Discards four bytes from the currently selected endpoint's bank, for OUT direction endpoints. + * + * \ingroup Group_EndpointPrimitiveRW_UC3 + */ + static inline void Endpoint_Discard_32(void) ATTR_ALWAYS_INLINE; + static inline void Endpoint_Discard_32(void) + { + uint8_t Dummy; + + Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + Dummy = *(USB_EndpointFIFOPos[USB_SelectedEndpoint]++); + } + + /* External Variables: */ + /** Global indicating the maximum packet size of the default control endpoint located at address + * 0 in the device. This value is set to the value indicated in the device descriptor in the user + * project once the USB interface is initialized into device mode. + * + * If space is an issue, it is possible to fix this to a static value by defining the control + * endpoint size in the \c FIXED_CONTROL_ENDPOINT_SIZE token passed to the compiler in the makefile + * via the -D switch. When a fixed control endpoint size is used, the size is no longer dynamically + * read from the descriptors at runtime and instead fixed to the given value. When used, it is + * important that the descriptor control endpoint size value matches the size given as the + * \c FIXED_CONTROL_ENDPOINT_SIZE token - it is recommended that the \c FIXED_CONTROL_ENDPOINT_SIZE token + * be used in the device descriptors to ensure this. + * + * \note This variable should be treated as read-only in the user application, and never manually + * changed in value. + */ + #if (!defined(FIXED_CONTROL_ENDPOINT_SIZE) || defined(__DOXYGEN__)) + extern uint8_t USB_Device_ControlEndpointSize; + #else + #define USB_Device_ControlEndpointSize FIXED_CONTROL_ENDPOINT_SIZE + #endif + + /* Function Prototypes: */ + /** 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); + + /** Spin-loops until the currently selected non-control endpoint is ready for the next packet of data + * to be read or written to it. + * + * \note This routine should not be called on CONTROL type endpoints. + * + * \ingroup Group_EndpointRW_UC3 + * + * \return A value from the \ref Endpoint_WaitUntilReady_ErrorCodes_t enum. + */ + uint8_t Endpoint_WaitUntilReady(void); + + /* Disable C linkage for C++ Compilers: */ + #if defined(__cplusplus) + } + #endif + +#endif + +/** @} */ + |