+++ /dev/null
-/*
- 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 Host mode driver for the library USB Still Image Class driver.
- *
- * Host mode driver for the library USB Still Image Class driver.
- *
- * \note This file should not be included directly. It is automatically included as needed by the USB module driver
- * dispatch header located in LUFA/Drivers/USB.h.
- */
-
-/** \ingroup Group_USBClassSI
- * \defgroup Group_USBClassStillImageHost Still Image Class Host Mode Driver
- *
- * \section Sec_Dependencies Module Source Dependencies
- * The following files must be built with any user project that uses this module:
- * - LUFA/Drivers/USB/Class/Host/StillImage.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
- *
- * \section Sec_ModDescription Module Description
- * Host Mode USB Class driver framework interface, for the Still Image USB Class driver.
- *
- * @{
- */
-
-#ifndef __SI_CLASS_HOST_H__
-#define __SI_CLASS_HOST_H__
-
- /* Includes: */
- #include "../../USB.h"
- #include "../Common/StillImage.h"
-
- /* Enable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- extern "C" {
- #endif
-
- /* Preprocessor Checks: */
- #if !defined(__INCLUDE_FROM_SI_DRIVER)
- #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
- #endif
-
- /* Public Interface - May be used in end-application: */
- /* Macros: */
- /** Error code for some Still Image Host functions, indicating a logical (and not hardware) error. */
- #define SI_ERROR_LOGICAL_CMD_FAILED 0x80
-
- /* Type Defines: */
- /** \brief Still Image Class Host Mode Configuration and State Structure.
- *
- * Class state structure. An instance of this structure should be made within the user application,
- * and passed to each of the Still Image class driver functions as the \c SIInterfaceInfo parameter. This
- * stores each Still Image interface's configuration and state information.
- */
- typedef struct
- {
- const struct
- {
- uint8_t DataINPipeNumber; /**< Pipe number of the Still Image interface's IN data pipe. */
- bool DataINPipeDoubleBank; /**< Indicates if the Still Image interface's IN data pipe should use double banking. */
-
- uint8_t DataOUTPipeNumber; /**< Pipe number of the Still Image interface's OUT data pipe. */
- bool DataOUTPipeDoubleBank; /**< Indicates if the Still Image interface's OUT data pipe should use double banking. */
-
- uint8_t EventsPipeNumber; /**< Pipe number of the Still Image interface's IN events endpoint, if used. */
- bool EventsPipeDoubleBank; /**< Indicates if the Still Image interface's events data pipe should use double banking. */
- } Config; /**< Config data for the USB class interface within the device. All elements in this section
- * <b>must</b> be set or the interface will fail to enumerate and operate correctly.
- */
- struct
- {
- bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
- * after \ref SI_Host_ConfigurePipes() is called and the Host state machine is in the
- * Configured state.
- */
- uint8_t InterfaceNumber; /**< Interface index of the Still Image interface within the attached device. */
-
- uint16_t DataINPipeSize; /**< Size in bytes of the Still Image interface's IN data pipe. */
- uint16_t DataOUTPipeSize; /**< Size in bytes of the Still Image interface's OUT data pipe. */
- uint16_t EventsPipeSize; /**< Size in bytes of the Still Image interface's IN events pipe. */
-
- bool IsSessionOpen; /**< Indicates if a PIMA session is currently open with the attached device. */
- uint32_t TransactionID; /**< Transaction ID for the next transaction to send to the device. */
- } State; /**< State data for the USB class interface within the device. All elements in this section
- * <b>may</b> be set to initial values, but may also be ignored to default to sane values when
- * the interface is enumerated.
- */
- } USB_ClassInfo_SI_Host_t;
-
- /* Enums: */
- /** Enum for the possible error codes returned by the \ref SI_Host_ConfigurePipes() function. */
- enum SI_Host_EnumerationFailure_ErrorCodes_t
- {
- SI_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
- SI_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
- SI_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible Still Image interface was not found in the device's
- * Configuration Descriptor.
- */
- SI_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
- };
-
- /* Function Prototypes: */
- /** Host interface configuration routine, to configure a given Still Image host interface instance using the
- * Configuration Descriptor read from an attached USB device. This function automatically updates the given Still
- * Image Host instance's state values and configures the pipes required to communicate with the interface if it is
- * found within the device. This should be called once after the stack has enumerated the attached device, while
- * the host state machine is in the Addressed state.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
- * \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
- *
- * \return A value from the \ref SI_Host_EnumerationFailure_ErrorCodes_t enum.
- */
- uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
- uint16_t ConfigDescriptorSize,
- void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
-
- /** Opens a new PIMA session with the attached device. This should be used before any session-orientated PIMA commands
- * are issued to the device. Only one session can be open at the one time.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
- * returned a logical command failure.
- */
- uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Closes an already opened PIMA session with the attached device. This should be used after all session-orientated
- * PIMA commands have been issued to the device.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
- * returned a logical command failure.
- */
- uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Sends a raw PIMA block header to the device, filling out the transaction ID automatically. This can be used to send
- * arbitrary PIMA blocks to the device with or without parameters.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- * \param[in] PIMAHeader Pointer to a PIMA container structure that is to be sent.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t SI_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
- PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
- ATTR_NON_NULL_PTR_ARG(2);
-
- /** Receives a raw PIMA block header from the device. This can be used to receive arbitrary PIMA blocks from the device with
- * or without parameters.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- * \param[out] PIMAHeader Pointer to a PIMA container structure where the received block is to be stored.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t SI_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
- PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
- ATTR_NON_NULL_PTR_ARG(2);
-
- /** Sends a given PIMA command to the attached device, filling out the PIMA command header's Transaction ID automatically.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- * \param[in] Operation PIMA operation code to issue to the device.
- * \param[in] TotalParams Total number of 32-bit parameters to send to the device in the issued command block.
- * \param[in] Params Pointer to an array of 32-bit values containing the parameters to send in the command block.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
- * returned a logical command failure.
- */
- uint8_t SI_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
- const uint16_t Operation,
- const uint8_t TotalParams,
- uint32_t* const Params) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Receives and checks a response block from the attached Still Image device, once a command has been issued and all data
- * associated with the command has been transferred.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
- * returned a logical command failure.
- */
- uint8_t SI_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Indicates if the device has issued a PIMA event block to the host via the asynchronous events pipe.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- *
- * \return Boolean \c true if an event is waiting to be read, \c false otherwise.
- */
- bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
-
- /** Receives an asynchronous event block from the device via the asynchronous events pipe.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- * \param[out] PIMAHeader Pointer to a PIMA container structure where the event should be stored.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
- * returned a logical command failure.
- */
- uint8_t SI_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
- PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
- ATTR_NON_NULL_PTR_ARG(2);
-
- /** Sends arbitrary data to the attached device, for use in the data phase of PIMA commands which require data
- * transfer beyond the regular PIMA command block parameters.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- * \param[in] Buffer Pointer to a buffer where the data to send has been stored.
- * \param[in] Bytes Length in bytes of the data in the buffer to send to the attached device.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t SI_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
- void* Buffer,
- const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
-
- /** Receives arbitrary data from the attached device, for use in the data phase of PIMA commands which require data
- * transfer beyond the regular PIMA command block parameters.
- *
- * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
- * call will fail.
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- * \param[out] Buffer Pointer to a buffer where the received data is to be stored.
- * \param[in] Bytes Length in bytes of the data to read.
- *
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
- */
- uint8_t SI_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
- void* Buffer,
- const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
-
- /* Inline Functions: */
- /** General management task for a given Still Image host class interface, required for the correct operation of the
- * interface. This should be called frequently in the main program loop, before the master USB management task
- * \ref USB_USBTask().
- *
- * \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
- */
- static inline void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
- static inline void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
- {
- (void)SIInterfaceInfo;
- }
-
- /* Private Interface - For use in library only: */
- #if !defined(__DOXYGEN__)
- /* Macros: */
- #define SI_COMMAND_DATA_TIMEOUT_MS 10000
-
- /* Function Prototypes: */
- #if defined(__INCLUDE_FROM_STILLIMAGE_HOST_C)
- static uint8_t DCOMP_SI_Host_NextSIInterface(void* const CurrentDescriptor)
- ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- static uint8_t DCOMP_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor)
- ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
- #endif
- #endif
-
- /* Disable C linkage for C++ Compilers: */
- #if defined(__cplusplus)
- }
- #endif
-
-#endif
-
-/** @} */
-
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