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author | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 15:33:29 -0400 |
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committer | GitHub <noreply@github.com> | 2017-07-07 15:33:29 -0400 |
commit | 9de443cbf10ac41bc15762c9c83f138f51dd3b9a (patch) | |
tree | d8ddcb428e0b7d9773a1e52c42b60bdca2658beb /tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h | |
parent | 88b3d051b21cb1ddacc6353c5d59b19f03f3a242 (diff) | |
parent | 1c26468ad5a0701e244c99cbcbc547c93b75d515 (diff) | |
download | firmware-9de443cbf10ac41bc15762c9c83f138f51dd3b9a.tar.gz firmware-9de443cbf10ac41bc15762c9c83f138f51dd3b9a.tar.bz2 firmware-9de443cbf10ac41bc15762c9c83f138f51dd3b9a.zip |
Merge pull request #1471 from qmk/lufa_lib
Update LUFA and move it to /lib/lufa
Diffstat (limited to 'tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h')
-rw-r--r-- | tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h | 924 |
1 files changed, 0 insertions, 924 deletions
diff --git a/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h b/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h deleted file mode 100644 index 1a0ada8b7..000000000 --- a/tmk_core/protocol/lufa/LUFA-git/LUFA/Drivers/USB/Core/UC3/Pipe_UC3.h +++ /dev/null @@ -1,924 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2014. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2014 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 disclaims 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 Pipe definitions for the AVR32 UC3 microcontrollers. - * \copydetails Group_PipeManagement_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_PipeRW - * \defgroup Group_PipeRW_UC3 Pipe Data Reading and Writing (UC3) - * \brief Pipe 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 pipes. - */ - -/** \ingroup Group_PipePrimitiveRW - * \defgroup Group_PipePrimitiveRW_UC3 Read/Write of Primitive Data Types (UC3) - * \brief Pipe primitive data 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 pipes. - */ - -/** \ingroup Group_PipePacketManagement - * \defgroup Group_PipePacketManagement_UC3 Pipe Packet Management (UC3) - * \brief Pipe packet management definitions for the Atmel AVR32 UC3 architecture. - * - * Functions, macros, variables, enums and types related to packet management of pipes. - */ - -/** \ingroup Group_PipeControlReq - * \defgroup Group_PipeControlReq_UC3 Pipe Control Request Management (UC3) - * \brief Pipe control request management definitions for the Atmel AVR32 UC3 architecture. - * - * Module for host mode request processing. This module allows for the transmission of standard, class and - * vendor control requests to the default control endpoint of an attached device while in host mode. - * - * \see Chapter 9 of the USB 2.0 specification. - */ - -/** \ingroup Group_PipeManagement - * \defgroup Group_PipeManagement_UC3 Pipe Management (UC3) - * \brief Pipe management definitions for the Atmel AVR32 UC3 architecture. - * - * This module contains functions, macros and enums related to pipe management when in USB Host mode. This - * module contains the pipe management macros, as well as pipe interrupt and data send/receive functions - * for various data types. - * - * @{ - */ - -#ifndef __PIPE_UC3_H__ -#define __PIPE_UC3_H__ - - /* Includes: */ - #include "../../../../Common/Common.h" - #include "../USBTask.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 PIPE_HSB_ADDRESS_SPACE_SIZE (64 * 1024UL) - - /* External Variables: */ - extern volatile uint32_t USB_Pipe_SelectedPipe; - extern volatile uint8_t* USB_Pipe_FIFOPos[]; - #endif - - /* Public Interface - May be used in end-application: */ - /* Macros: */ - /** \name Pipe Error Flag Masks */ - //@{ - /** Mask for \ref Pipe_GetErrorFlags(), indicating that an overflow error occurred in the pipe on the received data. */ - #define PIPE_ERRORFLAG_OVERFLOW (AVR32_USBB_UPSTA0_OVERFI_MASK << 8) - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a CRC error occurred in the pipe on the received data. */ - #define PIPE_ERRORFLAG_CRC16 AVR32_USBB_UPERR0_CRC16_MASK - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware timeout error occurred in the pipe. */ - #define PIPE_ERRORFLAG_TIMEOUT AVR32_USBB_UPERR0_TIMEOUT_MASK - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware PID error occurred in the pipe. */ - #define PIPE_ERRORFLAG_PID AVR32_USBB_UPERR0_PID_MASK - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware data PID error occurred in the pipe. */ - #define PIPE_ERRORFLAG_DATAPID AVR32_USBB_UPERR0_DATAPID_MASK - - /** Mask for \ref Pipe_GetErrorFlags(), indicating that a hardware data toggle error occurred in the pipe. */ - #define PIPE_ERRORFLAG_DATATGL AVR32_USBB_UPERR0_DATATGL_MASK - //@} - - /** \name Pipe Token Masks */ - //@{ - /** Token mask for \ref Pipe_SetPipeToken() and \ref Pipe_GetPipeToken(). This sets the pipe as a SETUP token (for CONTROL type pipes), - * which will trigger a control request on the attached device when data is written to the pipe. - */ - #define PIPE_TOKEN_SETUP AVR32_USBB_UPCFG0_PTOKEN_SETUP - - /** Token mask for \ref Pipe_SetPipeToken() and \ref Pipe_GetPipeToken(). This sets the pipe as a IN token (for non-CONTROL type pipes), - * indicating that the pipe data will flow from device to host. - */ - #define PIPE_TOKEN_IN AVR32_USBB_UPCFG0_PTOKEN_IN - - /** Token mask for \ref Pipe_SetPipeToken() and \ref Pipe_GetPipeToken(). This sets the pipe as a OUT token (for non-CONTROL type pipes), - * indicating that the pipe data will flow from host to device. - */ - #define PIPE_TOKEN_OUT AVR32_USBB_UPCFG0_PTOKEN_OUT - //@} - - /** Default size of the default control pipe's bank, until altered by the Endpoint0Size value - * in the device descriptor of the attached device. - */ - #define PIPE_CONTROLPIPE_DEFAULT_SIZE 64 - - #if defined(USB_SERIES_UC3A3_AVR32) || defined(USB_SERIES_UC3A4_AVR32) || defined(__DOXYGEN__) - /** Total number of pipes (including the default control pipe at address 0) which may be used in - * the device. - */ - #define PIPE_TOTAL_PIPES 8 - #else - #define PIPE_TOTAL_PIPES 7 - #endif - - /** Size in bytes of the largest pipe bank size possible in the device. Not all banks on each AVR - * model supports the largest bank size possible on the device; different pipe numbers support - * different maximum bank sizes. This value reflects the largest possible bank of any pipe on the - * currently selected UC3 AVR model. - */ - #define PIPE_MAX_SIZE 256 - - /* Enums: */ - /** Enum for the possible error return codes of the \ref Pipe_WaitUntilReady() function. - * - * \ingroup Group_PipeRW_UC3 - */ - enum Pipe_WaitUntilReady_ErrorCodes_t - { - PIPE_READYWAIT_NoError = 0, /**< Pipe ready for next packet, no error. */ - PIPE_READYWAIT_PipeStalled = 1, /**< The device stalled the pipe while waiting. */ - PIPE_READYWAIT_DeviceDisconnected = 2, /**< Device was disconnected from the host while waiting. */ - PIPE_READYWAIT_Timeout = 3, /**< The device failed to accept or send the next packet - * within the software timeout period set by the - * \ref USB_STREAM_TIMEOUT_MS macro. - */ - }; - - /* Inline Functions: */ - /** Indicates the number of bytes currently stored in the current pipes's selected bank. - * - * \ingroup Group_PipeRW_UC3 - * - * \return Total number of bytes in the currently selected pipe's FIFO buffer. - */ - static inline uint16_t Pipe_BytesInPipe(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Pipe_BytesInPipe(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].pbyct; - } - - /** Determines the currently selected pipe's direction. - * - * \return The currently selected pipe's direction, as a \c PIPE_DIR_* mask. - */ - static inline uint8_t Pipe_GetPipeDirection(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetPipeDirection(void) - { - return (((&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].ptoken == PIPE_TOKEN_OUT) ? PIPE_DIR_OUT : PIPE_DIR_IN); - } - - /** Returns the pipe address of the currently selected pipe. This is typically used to save the - * currently selected pipe number so that it can be restored after another pipe has been manipulated. - * - * \return Index of the currently selected pipe. - */ - static inline uint8_t Pipe_GetCurrentPipe(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetCurrentPipe(void) - { - return (USB_Pipe_SelectedPipe | Pipe_GetPipeDirection()); - } - - /** Selects the given pipe address. Any pipe operations which do not require the pipe address to be - * indicated will operate on the currently selected pipe. - * - * \param[in] Address Address of the pipe to select. - */ - static inline void Pipe_SelectPipe(const uint8_t Address) ATTR_ALWAYS_INLINE; - static inline void Pipe_SelectPipe(const uint8_t Address) - { - USB_Pipe_SelectedPipe = (Address & PIPE_EPNUM_MASK); - } - - /** Resets the desired pipe, including the pipe banks and flags. - * - * \param[in] Address Index of the pipe to reset. - */ - static inline void Pipe_ResetPipe(const uint8_t Address) ATTR_ALWAYS_INLINE; - static inline void Pipe_ResetPipe(const uint8_t Address) - { - uint32_t PipeNumber = (Address & PIPE_EPNUM_MASK); - - AVR32_USBB.uprst |= (AVR32_USBB_PRST0_MASK << PipeNumber); - AVR32_USBB.uprst &= ~(AVR32_USBB_PRST0_MASK << PipeNumber); - USB_Pipe_FIFOPos[PipeNumber] = &AVR32_USBB_SLAVE[PipeNumber * PIPE_HSB_ADDRESS_SPACE_SIZE]; - } - - /** Enables the currently selected pipe so that data can be sent and received through it to and from - * an attached device. - * - * \pre The currently selected pipe must first be configured properly via \ref Pipe_ConfigurePipe(). - */ - static inline void Pipe_EnablePipe(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_EnablePipe(void) - { - AVR32_USBB.uprst |= (AVR32_USBB_PEN0_MASK << USB_Pipe_SelectedPipe); - } - - /** Disables the currently selected pipe so that data cannot be sent and received through it to and - * from an attached device. - */ - static inline void Pipe_DisablePipe(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_DisablePipe(void) - { - AVR32_USBB.uprst &= ~(AVR32_USBB_PEN0_MASK << USB_Pipe_SelectedPipe); - } - - /** Determines if the currently selected pipe is enabled, but not necessarily configured. - * - * \return Boolean \c true if the currently selected pipe is enabled, \c false otherwise. - */ - static inline bool Pipe_IsEnabled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsEnabled(void) - { - return ((AVR32_USBB.uprst & (AVR32_USBB_PEN0_MASK << USB_Pipe_SelectedPipe)) ? true : false); - } - - /** Gets the current pipe token, indicating the pipe's data direction and type. - * - * \return The current pipe token, as a \c PIPE_TOKEN_* mask. - */ - static inline uint8_t Pipe_GetPipeToken(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetPipeToken(void) - { - return (&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].ptoken; - } - - /** Sets the token for the currently selected pipe to one of the tokens specified by the \c PIPE_TOKEN_* - * masks. This can be used on CONTROL type pipes, to allow for bidirectional transfer of data during - * control requests, or on regular pipes to allow for half-duplex bidirectional data transfer to devices - * which have two endpoints of opposite direction sharing the same endpoint address within the device. - * - * \param[in] Token New pipe token to set the selected pipe to, as a \c PIPE_TOKEN_* mask. - */ - static inline void Pipe_SetPipeToken(const uint8_t Token) ATTR_ALWAYS_INLINE; - static inline void Pipe_SetPipeToken(const uint8_t Token) - { - (&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].ptoken = Token; - } - - /** Configures the currently selected pipe to allow for an unlimited number of IN requests. */ - static inline void Pipe_SetInfiniteINRequests(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_SetInfiniteINRequests(void) - { - (&AVR32_USBB.UPINRQ0)[USB_Pipe_SelectedPipe].inmode = true; - } - - /** Configures the currently selected pipe to only allow the specified number of IN requests to be - * accepted by the pipe before it is automatically frozen. - * - * \param[in] TotalINRequests Total number of IN requests that the pipe may receive before freezing. - */ - static inline void Pipe_SetFiniteINRequests(const uint8_t TotalINRequests) ATTR_ALWAYS_INLINE; - static inline void Pipe_SetFiniteINRequests(const uint8_t TotalINRequests) - { - (&AVR32_USBB.UPINRQ0)[USB_Pipe_SelectedPipe].inmode = false; - (&AVR32_USBB.UPINRQ0)[USB_Pipe_SelectedPipe].inrq = TotalINRequests; - } - - /** Determines if the currently selected pipe is configured. - * - * \return Boolean \c true if the selected pipe is configured, \c false otherwise. - */ - static inline bool Pipe_IsConfigured(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsConfigured(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].cfgok; - } - - /** Retrieves the endpoint address of the endpoint within the attached device that the currently selected - * pipe is bound to. - * - * \return Endpoint address the currently selected pipe is bound to. - */ - static inline uint8_t Pipe_GetBoundEndpointAddress(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetBoundEndpointAddress(void) - { - return ((&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].pepnum | - ((Pipe_GetPipeToken() == PIPE_TOKEN_IN) ? PIPE_DIR_IN : PIPE_DIR_OUT)); - } - - /** Sets the period between interrupts for an INTERRUPT type pipe to a specified number of milliseconds. - * - * \param[in] Milliseconds Number of milliseconds between each pipe poll. - */ - static inline void Pipe_SetInterruptPeriod(const uint8_t Milliseconds) ATTR_ALWAYS_INLINE; - static inline void Pipe_SetInterruptPeriod(const uint8_t Milliseconds) - { - (&AVR32_USBB.UPCFG0)[USB_Pipe_SelectedPipe].intfrq = Milliseconds; - } - - /** Returns a mask indicating which pipe's interrupt periods have elapsed, indicating that the pipe should - * be serviced. - * - * \return Mask whose bits indicate which pipes have interrupted. - */ - static inline uint8_t Pipe_GetPipeInterrupts(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetPipeInterrupts(void) - { - return ((AVR32_USBB.uhint & (AVR32_USBB_P6INT_MASK | AVR32_USBB_P5INT_MASK | - AVR32_USBB_P4INT_MASK | AVR32_USBB_P3INT_MASK | - AVR32_USBB_P2INT_MASK | AVR32_USBB_P1INT_MASK | - AVR32_USBB_P0INT_MASK)) >> AVR32_USBB_P0INT_OFFSET); - } - - /** Determines if the specified pipe address has interrupted (valid only for INTERRUPT type - * pipes). - * - * \param[in] Address Address of the pipe whose interrupt flag should be tested. - * - * \return Boolean \c true if the specified pipe has interrupted, \c false otherwise. - */ - static inline bool Pipe_HasPipeInterrupted(const uint8_t Address) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_HasPipeInterrupted(const uint8_t Address) - { - return ((AVR32_USBB.uhint & (AVR32_USBB_P0INTES_MASK << (Address & PIPE_EPNUM_MASK))) ? true : false); - } - - /** Unfreezes the selected pipe, allowing it to communicate with an attached device. */ - static inline void Pipe_Unfreeze(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Unfreeze(void) - { - (&AVR32_USBB.UPCON0CLR)[USB_Pipe_SelectedPipe].pfreezec = true; - } - - /** Freezes the selected pipe, preventing it from communicating with an attached device. */ - static inline void Pipe_Freeze(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Freeze(void) - { - (&AVR32_USBB.UPCON0SET)[USB_Pipe_SelectedPipe].pfreezes = true; - } - - /** Determines if the currently selected pipe is frozen, and not able to accept data. - * - * \return Boolean \c true if the currently selected pipe is frozen, \c false otherwise. - */ - static inline bool Pipe_IsFrozen(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsFrozen(void) - { - return (((&AVR32_USBB.UPCON0)[USB_Pipe_SelectedPipe].pfreeze) ? true : false); - } - - /** Clears the error flags for the currently selected pipe. */ - static inline void Pipe_ClearError(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearError(void) - { - (&AVR32_USBB.uperr0)[USB_Pipe_SelectedPipe] = 0; - (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].overfic = true; - } - - /** Determines if the master pipe error flag is set for the currently selected pipe, indicating that - * some sort of hardware error has occurred on the pipe. - * - * \see \ref Pipe_GetErrorFlags() macro for information on retrieving the exact error flag. - * - * \return Boolean \c true if an error has occurred on the selected pipe, \c false otherwise. - */ - static inline bool Pipe_IsError(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsError(void) - { - return (((&AVR32_USBB.upsta0)[USB_Pipe_SelectedPipe] & - (AVR32_USBB_PERRI_MASK | AVR32_USBB_OVERFI_MASK)) ? true : false); - } - - /** Gets a mask of the hardware error flags which have occurred on the currently selected pipe. This - * value can then be masked against the \c PIPE_ERRORFLAG_* masks to determine what error has occurred. - * - * \return Mask comprising of \c PIPE_ERRORFLAG_* bits indicating what error has occurred on the selected pipe. - */ - static inline uint8_t Pipe_GetErrorFlags(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetErrorFlags(void) - { - - return (((&AVR32_USBB.uperr0)[USB_Pipe_SelectedPipe] & - (PIPE_ERRORFLAG_CRC16 | PIPE_ERRORFLAG_TIMEOUT | - PIPE_ERRORFLAG_PID | PIPE_ERRORFLAG_DATAPID | - PIPE_ERRORFLAG_DATATGL)) | - (((&AVR32_USBB.upsta0)[USB_Pipe_SelectedPipe] << 8) & - PIPE_ERRORFLAG_OVERFLOW)); - } - - /** Retrieves the number of busy banks in the currently selected pipe, which have been queued for - * transmission via the \ref Pipe_ClearOUT() command, or are awaiting acknowledgement via the - * \ref Pipe_ClearIN() command. - * - * \ingroup Group_PipePacketManagement_UC3 - * - * \return Total number of busy banks in the selected pipe. - */ - static inline uint8_t Pipe_GetBusyBanks(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_GetBusyBanks(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].nbusybk; - } - - /** Determines if the currently selected pipe may be read from (if data is waiting in the pipe - * bank and the pipe is an IN direction, or if the bank is not yet full if the pipe is an OUT - * direction). This function will return false if an error has occurred in the pipe, or if the pipe - * is an IN direction and no packet (or an empty packet) has been received, or if the pipe is an OUT - * direction and the pipe bank is full. - * - * \note This function is not valid on CONTROL type pipes. - * - * \ingroup Group_PipePacketManagement_UC3 - * - * \return Boolean \c true if the currently selected pipe may be read from or written to, depending - * on its direction. - */ - static inline bool Pipe_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsReadWriteAllowed(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].rwall; - } - - /** Determines if a packet has been received on the currently selected IN pipe from the attached device. - * - * \ingroup Group_PipePacketManagement_UC3 - * - * \return Boolean \c true if the current pipe has received an IN packet, \c false otherwise. - */ - static inline bool Pipe_IsINReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsINReceived(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].rxini; - } - - /** Determines if the currently selected OUT pipe is ready to send an OUT packet to the attached device. - * - * \ingroup Group_PipePacketManagement_UC3 - * - * \return Boolean \c true if the current pipe is ready for an OUT packet, \c false otherwise. - */ - static inline bool Pipe_IsOUTReady(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsOUTReady(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].txouti; - } - - /** Determines if no SETUP request is currently being sent to the attached device on the selected - * CONTROL type pipe. - * - * \ingroup Group_PipePacketManagement_UC3 - * - * \return Boolean \c true if the current pipe is ready for a SETUP packet, \c false otherwise. - */ - static inline bool Pipe_IsSETUPSent(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsSETUPSent(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].txstpi; - } - - /** Sends the currently selected CONTROL type pipe's contents to the device as a SETUP packet. - * - * \ingroup Group_PipePacketManagement_UC3 - */ - static inline void Pipe_ClearSETUP(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearSETUP(void) - { - (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].txstpic = true; - (&AVR32_USBB.UPCON0CLR)[USB_Pipe_SelectedPipe].fifoconc = true; - USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe] = &AVR32_USBB_SLAVE[USB_Pipe_SelectedPipe * PIPE_HSB_ADDRESS_SPACE_SIZE]; - } - - /** Acknowledges the reception of a setup IN request from the attached device on the currently selected - * pipe, freeing the bank ready for the next packet. - * - * \ingroup Group_PipePacketManagement_UC3 - */ - static inline void Pipe_ClearIN(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearIN(void) - { - (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].rxinic = true; - (&AVR32_USBB.UPCON0CLR)[USB_Pipe_SelectedPipe].fifoconc = true; - USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe] = &AVR32_USBB_SLAVE[USB_Pipe_SelectedPipe * PIPE_HSB_ADDRESS_SPACE_SIZE]; - } - - /** Sends the currently selected pipe's contents to the device as an OUT packet on the selected pipe, freeing - * the bank ready for the next packet. - * - * \ingroup Group_PipePacketManagement_UC3 - */ - static inline void Pipe_ClearOUT(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearOUT(void) - { - (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].txoutic = true; - (&AVR32_USBB.UPCON0CLR)[USB_Pipe_SelectedPipe].fifoconc = true; - USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe] = &AVR32_USBB_SLAVE[USB_Pipe_SelectedPipe * PIPE_HSB_ADDRESS_SPACE_SIZE]; - } - - /** Determines if the device sent a NAK (Negative Acknowledge) in response to the last sent packet on - * the currently selected pipe. This occurs when the host sends a packet to the device, but the device - * is not currently ready to handle the packet (i.e. its endpoint banks are full). Once a NAK has been - * received, it must be cleared using \ref Pipe_ClearNAKReceived() before the previous (or any other) packet - * can be re-sent. - * - * \ingroup Group_PipePacketManagement_UC3 - * - * \return Boolean \c true if an NAK has been received on the current pipe, \c false otherwise. - */ - static inline bool Pipe_IsNAKReceived(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsNAKReceived(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].nakedi; - } - - /** Clears the NAK condition on the currently selected pipe. - * - * \ingroup Group_PipePacketManagement_UC3 - * - * \see \ref Pipe_IsNAKReceived() for more details. - */ - static inline void Pipe_ClearNAKReceived(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearNAKReceived(void) - { - (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].nakedic = true; - } - - /** Determines if the currently selected pipe has had the STALL condition set by the attached device. - * - * \ingroup Group_PipePacketManagement_UC3 - * - * \return Boolean \c true if the current pipe has been stalled by the attached device, \c false otherwise. - */ - static inline bool Pipe_IsStalled(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline bool Pipe_IsStalled(void) - { - return (&AVR32_USBB.UPSTA0)[USB_Pipe_SelectedPipe].rxstalldi; - } - - /** Clears the STALL condition detection flag on the currently selected pipe, but does not clear the - * STALL condition itself (this must be done via a ClearFeature control request to the device). - * - * \ingroup Group_PipePacketManagement_UC3 - */ - static inline void Pipe_ClearStall(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_ClearStall(void) - { - (&AVR32_USBB.UPSTA0CLR)[USB_Pipe_SelectedPipe].rxstalldic = true; - USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe] = &AVR32_USBB_SLAVE[USB_Pipe_SelectedPipe * PIPE_HSB_ADDRESS_SPACE_SIZE]; - } - - /** Reads one byte from the currently selected pipe's bank, for OUT direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \return Next byte in the currently selected pipe's FIFO buffer. - */ - static inline uint8_t Pipe_Read_8(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_Read_8(void) - { - return *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - } - - /** Writes one byte to the currently selected pipe's bank, for IN direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \param[in] Data Data to write into the the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_8(const uint8_t Data) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_8(const uint8_t Data) - { - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = Data; - } - - /** Discards one byte from the currently selected pipe's bank, for OUT direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - */ - static inline void Pipe_Discard_8(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Discard_8(void) - { - uint8_t Dummy; - - Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - - (void)Dummy; - } - - /** Reads two bytes from the currently selected pipe's bank in little endian format, for OUT - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \return Next two bytes in the currently selected pipe's FIFO buffer. - */ - static inline uint16_t Pipe_Read_16_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Pipe_Read_16_LE(void) - { - uint16_t Byte0 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - uint16_t Byte1 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - - return ((Byte1 << 8) | Byte0); - } - - /** Reads two bytes from the currently selected pipe's bank in big endian format, for OUT - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \return Next two bytes in the currently selected pipe's FIFO buffer. - */ - static inline uint16_t Pipe_Read_16_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint16_t Pipe_Read_16_BE(void) - { - uint16_t Byte0 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - uint16_t Byte1 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - - return ((Byte0 << 8) | Byte1); - } - - /** Writes two bytes to the currently selected pipe's bank in little endian format, for IN - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \param[in] Data Data to write to the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_16_LE(const uint16_t Data) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_16_LE(const uint16_t Data) - { - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data & 0xFF); - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 8); - } - - /** Writes two bytes to the currently selected pipe's bank in big endian format, for IN - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \param[in] Data Data to write to the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_16_BE(const uint16_t Data) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_16_BE(const uint16_t Data) - { - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 8); - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data & 0xFF); - } - - /** Discards two bytes from the currently selected pipe's bank, for OUT direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - */ - static inline void Pipe_Discard_16(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Discard_16(void) - { - uint8_t Dummy; - - Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - - (void)Dummy; - } - - /** Reads four bytes from the currently selected pipe's bank in little endian format, for OUT - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \return Next four bytes in the currently selected pipe's FIFO buffer. - */ - static inline uint32_t Pipe_Read_32_LE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint32_t Pipe_Read_32_LE(void) - { - uint32_t Byte0 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - uint32_t Byte1 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - uint32_t Byte2 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - uint32_t Byte3 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - - return ((Byte3 << 24) | (Byte2 << 16) | (Byte1 << 8) | Byte0); - } - - /** Reads four bytes from the currently selected pipe's bank in big endian format, for OUT - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \return Next four bytes in the currently selected pipe's FIFO buffer. - */ - static inline uint32_t Pipe_Read_32_BE(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE; - static inline uint32_t Pipe_Read_32_BE(void) - { - uint32_t Byte0 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - uint32_t Byte1 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - uint32_t Byte2 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - uint32_t Byte3 = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - - return ((Byte0 << 24) | (Byte1 << 16) | (Byte2 << 8) | Byte3); - } - - /** Writes four bytes to the currently selected pipe's bank in little endian format, for IN - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \param[in] Data Data to write to the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_32_LE(const uint32_t Data) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_32_LE(const uint32_t Data) - { - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data & 0xFF); - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 8); - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 16); - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 24); - } - - /** Writes four bytes to the currently selected pipe's bank in big endian format, for IN - * direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - * - * \param[in] Data Data to write to the currently selected pipe's FIFO buffer. - */ - static inline void Pipe_Write_32_BE(const uint32_t Data) ATTR_ALWAYS_INLINE; - static inline void Pipe_Write_32_BE(const uint32_t Data) - { - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 24); - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 16); - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data >> 8); - *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++) = (Data & 0xFF); - } - - /** Discards four bytes from the currently selected pipe's bank, for OUT direction pipes. - * - * \ingroup Group_PipePrimitiveRW_UC3 - */ - static inline void Pipe_Discard_32(void) ATTR_ALWAYS_INLINE; - static inline void Pipe_Discard_32(void) - { - uint8_t Dummy; - - Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - Dummy = *(USB_Pipe_FIFOPos[USB_Pipe_SelectedPipe]++); - - (void)Dummy; - } - - /* External Variables: */ - /** Global indicating the maximum packet size of the default control pipe located at address - * 0 in the device. This value is set to the value indicated in the attached device's device - * descriptor once the USB interface is initialized into host mode and a device is attached - * to the USB bus. - * - * \attention This variable should be treated as read-only in the user application, and never manually - * changed in value. - */ - extern uint8_t USB_Host_ControlPipeSize; - - /* Function Prototypes: */ - /** Configures a table of pipe descriptions, in sequence. This function can be used to configure multiple - * pipes at the same time. - * - * \note Pipe with a zero address will be ignored, thus this function cannot be used to configure the - * control pipe. - * - * \param[in] Table Pointer to a table of pipe descriptions. - * \param[in] Entries Number of entries in the pipe table to configure. - * - * \return Boolean \c true if all pipes configured successfully, \c false otherwise. - */ - bool Pipe_ConfigurePipeTable(const USB_Pipe_Table_t* const Table, - const uint8_t Entries); - - /** Configures the specified pipe address with the given pipe type, endpoint address within the attached device, - * bank size and number of hardware banks. - * - * A newly configured pipe is frozen by default, and must be unfrozen before use via the \ref Pipe_Unfreeze() - * before being used. Pipes should be kept frozen unless waiting for data from a device while in IN mode, or - * sending data to the device in OUT mode. IN type pipes are also automatically configured to accept infinite - * numbers of IN requests without automatic freezing - this can be overridden by a call to - * \ref Pipe_SetFiniteINRequests(). - * - * \param[in] Address Pipe address to configure. - * - * \param[in] Type Type of pipe to configure, an \c EP_TYPE_* mask. Not all pipe types are available on Low - * Speed USB devices - refer to the USB 2.0 specification. - * - * \param[in] EndpointAddress Endpoint address within the attached device that the pipe should interface to. - * - * \param[in] Size Size of the pipe's bank, where packets are stored before they are transmitted to - * the USB device, or after they have been received from the USB device (depending on - * the pipe's data direction). The bank size must indicate the maximum packet size that - * the pipe can handle. - * - * \param[in] Banks Number of banks to use for the pipe being configured. - * - * \note When the \c ORDERED_EP_CONFIG compile time option is used, Pipes <b>must</b> be configured in ascending order, - * or bank corruption will occur. - * \n\n - * - * \note Certain microcontroller model's pipes may have different maximum packet sizes based on the pipe's - * index - refer to the chosen microcontroller's datasheet to determine the maximum bank size for each pipe. - * \n\n - * - * \note The default control pipe 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 pipe upon success. Upon failure, the pipe which - * failed to reconfigure correctly will be selected. - * - * \return Boolean \c true if the configuration succeeded, \c false otherwise. - */ - bool Pipe_ConfigurePipe(const uint8_t Address, - const uint8_t Type, - const uint8_t EndpointAddress, - const uint16_t Size, - const uint8_t Banks); - - /** Spin-loops until the currently selected non-control pipe is ready for the next packet of data to be read - * or written to it, aborting in the case of an error condition (such as a timeout or device disconnect). - * - * \ingroup Group_PipeRW_UC3 - * - * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum. - */ - uint8_t Pipe_WaitUntilReady(void); - - /** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given - * endpoint is found, it is automatically selected. - * - * \param[in] EndpointAddress Address and direction mask of the endpoint within the attached device to check. - * - * \return Boolean \c true if a pipe bound to the given endpoint address of the specified direction is found, - * \c false otherwise. - */ - bool Pipe_IsEndpointBound(const uint8_t EndpointAddress) ATTR_WARN_UNUSED_RESULT; - - /* Private Interface - For use in library only: */ - #if !defined(__DOXYGEN__) - /* Macros: */ - #if !defined(ENDPOINT_CONTROLEP) - #define ENDPOINT_CONTROLEP 0 - #endif - - /* Inline Functions: */ - static inline uint8_t Pipe_BytesToEPSizeMask(const uint16_t Bytes) ATTR_WARN_UNUSED_RESULT ATTR_CONST ATTR_ALWAYS_INLINE; - static inline uint8_t Pipe_BytesToEPSizeMask(const uint16_t Bytes) - { - uint8_t MaskVal = 0; - uint16_t CheckBytes = 8; - - while ((CheckBytes < Bytes) && (CheckBytes < PIPE_MAX_SIZE)) - { - MaskVal++; - CheckBytes <<= 1; - } - - return (MaskVal << AVR32_USBB_PSIZE_OFFSET); - } - - /* Function Prototypes: */ - void Pipe_ClearPipes(void); - #endif - - /* Disable C linkage for C++ Compilers: */ - #if defined(__cplusplus) - } - #endif - -#endif - -/** @} */ - |