162 lines
6.7 KiB
C
162 lines
6.7 KiB
C
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2019.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2019 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaims all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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* \brief Common definitions and declarations for the library USB Still Image Class driver.
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*
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* Common definitions and declarations for the library USB Still Image Class driver.
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*
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* \note This file should not be included directly. It is automatically included as needed by the USB module driver
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* dispatch header located in LUFA/Drivers/USB.h.
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*/
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/** \ingroup Group_USBClassSI
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* \defgroup Group_USBClassSICommon Common Class Definitions
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*
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* \section Sec_USBClassSICommon_ModDescription Module Description
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* Constants, Types and Enum definitions that are common to both Device and Host modes for the USB
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* Still Image Class.
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*
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* @{
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*/
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#ifndef _SI_CLASS_COMMON_H_
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#define _SI_CLASS_COMMON_H_
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/* Includes: */
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#include "../../Core/StdDescriptors.h"
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/* Enable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_SI_DRIVER)
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#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
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#endif
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/* Macros: */
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/** Length in bytes of a given Unicode string's character length.
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*
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* \param[in] Chars Total number of Unicode characters in the string.
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*
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* \return Number of bytes of the given unicode string.
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*/
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#define UNICODE_STRING_LENGTH(Chars) ((Chars) << 1)
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/** Used in the DataLength field of a PIMA container, to give the total container size in bytes for
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* a command container.
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*
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* \param[in] Params Number of parameters which are to be sent in the \c Param field of the container.
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*/
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#define PIMA_COMMAND_SIZE(Params) ((sizeof(PIMA_Container_t) - 12) + ((Params) * sizeof(uint32_t)))
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/** Used in the DataLength field of a PIMA container, to give the total container size in bytes for
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* a data container.
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*
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* \param[in] DataLen Length in bytes of the data in the container.
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*/
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#define PIMA_DATA_SIZE(DataLen) ((sizeof(PIMA_Container_t) - 12) + (DataLen))
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/* Enums: */
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/** Enum for the possible PIMA contains types. */
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enum PIMA_Container_Types_t
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{
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PIMA_CONTAINER_Undefined = 0, /**< Undefined container type. */
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PIMA_CONTAINER_CommandBlock = 1, /**< Command Block container type. */
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PIMA_CONTAINER_DataBlock = 2, /**< Data Block container type. */
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PIMA_CONTAINER_ResponseBlock = 3, /**< Response container type. */
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PIMA_CONTAINER_EventBlock = 4, /**< Event Block container type. */
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};
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/* Enums: */
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/** Enum for possible Class, Subclass and Protocol values of device and interface descriptors relating to the
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* Still Image device class.
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*/
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enum SI_Descriptor_ClassSubclassProtocol_t
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{
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SI_CSCP_StillImageClass = 0x06, /**< Descriptor Class value indicating that the device or interface
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* belongs to the Still Image class.
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*/
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SI_CSCP_StillImageSubclass = 0x01, /**< Descriptor Subclass value indicating that the device or interface
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* belongs to the Still Image subclass.
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*/
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SI_CSCP_BulkOnlyProtocol = 0x01, /**< Descriptor Protocol value indicating that the device or interface
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* belongs to the Bulk Only Transport protocol of the Still Image class.
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*/
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};
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/** Enums for the possible status codes of a returned Response Block from an attached PIMA compliant Still Image device. */
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enum PIMA_ResponseCodes_t
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{
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PIMA_RESPONSE_OK = 1, /**< Response code indicating no error in the issued command. */
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PIMA_RESPONSE_GeneralError = 2, /**< Response code indicating a general error while processing the
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* issued command.
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*/
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PIMA_RESPONSE_SessionNotOpen = 3, /**< Response code indicating that the sent command requires an open
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* session before being issued.
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*/
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PIMA_RESPONSE_InvalidTransaction = 4, /**< Response code indicating an invalid transaction occurred. */
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PIMA_RESPONSE_OperationNotSupported = 5, /**< Response code indicating that the issued command is not supported
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* by the attached device.
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*/
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PIMA_RESPONSE_ParameterNotSupported = 6, /**< Response code indicating that one or more of the issued command's
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* parameters are not supported by the device.
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*/
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};
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/* Type Defines: */
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/** \brief PIMA Still Image Device Command/Response Container.
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*
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* Type define for a PIMA container, use to send commands and receive responses to and from an
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* attached Still Image device.
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*
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* \note Regardless of CPU architecture, these values should be stored as little endian.
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*/
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typedef struct
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{
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uint32_t DataLength; /**< Length of the container and data, in bytes. */
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uint16_t Type; /**< Container type, a value from the \ref PIMA_Container_Types_t enum. */
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uint16_t Code; /**< Command, event or response code of the container. */
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uint32_t TransactionID; /**< Unique container ID to link blocks together. */
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uint32_t Params[3]; /**< Block parameters to be issued along with the block code (command blocks only). */
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} ATTR_PACKED PIMA_Container_t;
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/* Disable C linkage for C++ Compilers: */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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/** @} */
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