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/*
LUFA Library
Copyright (C) Dean Camera, 2017.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2017 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 Common definitions and declarations for the library USB Still Image Class driver.
*
* Common definitions and declarations 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_USBClassSICommon Common Class Definitions
*
* \section Sec_USBClassSICommon_ModDescription Module Description
* Constants, Types and Enum definitions that are common to both Device and Host modes for the USB
* Still Image Class.
*
* @{
*/
#ifndef _SI_CLASS_COMMON_H_
#define _SI_CLASS_COMMON_H_
/* Includes: */
#include "../../Core/StdDescriptors.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
/* Macros: */
/** Length in bytes of a given Unicode string's character length.
*
* \param[in] Chars Total number of Unicode characters in the string.
*
* \return Number of bytes of the given unicode string.
*/
#define UNICODE_STRING_LENGTH(Chars) ((Chars) << 1)
/** Used in the DataLength field of a PIMA container, to give the total container size in bytes for
* a command container.
*
* \param[in] Params Number of parameters which are to be sent in the \c Param field of the container.
*/
#define PIMA_COMMAND_SIZE(Params) ((sizeof(PIMA_Container_t) - 12) + ((Params) * sizeof(uint32_t)))
/** Used in the DataLength field of a PIMA container, to give the total container size in bytes for
* a data container.
*
* \param[in] DataLen Length in bytes of the data in the container.
*/
#define PIMA_DATA_SIZE(DataLen) ((sizeof(PIMA_Container_t) - 12) + (DataLen))
/* Enums: */
/** Enum for the possible PIMA contains types. */
enum PIMA_Container_Types_t
{
PIMA_CONTAINER_Undefined = 0, /**< Undefined container type. */
PIMA_CONTAINER_CommandBlock = 1, /**< Command Block container type. */
PIMA_CONTAINER_DataBlock = 2, /**< Data Block container type. */
PIMA_CONTAINER_ResponseBlock = 3, /**< Response container type. */
PIMA_CONTAINER_EventBlock = 4, /**< Event Block container type. */
};
/* Enums: */
/** Enum for possible Class, Subclass and Protocol values of device and interface descriptors relating to the
* Still Image device class.
*/
enum SI_Descriptor_ClassSubclassProtocol_t
{
SI_CSCP_StillImageClass = 0x06, /**< Descriptor Class value indicating that the device or interface
* belongs to the Still Image class.
*/
SI_CSCP_StillImageSubclass = 0x01, /**< Descriptor Subclass value indicating that the device or interface
* belongs to the Still Image subclass.
*/
SI_CSCP_BulkOnlyProtocol = 0x01, /**< Descriptor Protocol value indicating that the device or interface
* belongs to the Bulk Only Transport protocol of the Still Image class.
*/
};
/** Enums for the possible status codes of a returned Response Block from an attached PIMA compliant Still Image device. */
enum PIMA_ResponseCodes_t
{
PIMA_RESPONSE_OK = 1, /**< Response code indicating no error in the issued command. */
PIMA_RESPONSE_GeneralError = 2, /**< Response code indicating a general error while processing the
* issued command.
*/
PIMA_RESPONSE_SessionNotOpen = 3, /**< Response code indicating that the sent command requires an open
* session before being issued.
*/
PIMA_RESPONSE_InvalidTransaction = 4, /**< Response code indicating an invalid transaction occurred. */
PIMA_RESPONSE_OperationNotSupported = 5, /**< Response code indicating that the issued command is not supported
* by the attached device.
*/
PIMA_RESPONSE_ParameterNotSupported = 6, /**< Response code indicating that one or more of the issued command's
* parameters are not supported by the device.
*/
};
/* Type Defines: */
/** \brief PIMA Still Image Device Command/Response Container.
*
* Type define for a PIMA container, use to send commands and receive responses to and from an
* attached Still Image device.
*
* \note Regardless of CPU architecture, these values should be stored as little endian.
*/
typedef struct
{
uint32_t DataLength; /**< Length of the container and data, in bytes. */
uint16_t Type; /**< Container type, a value from the \ref PIMA_Container_Types_t enum. */
uint16_t Code; /**< Command, event or response code of the container. */
uint32_t TransactionID; /**< Unique container ID to link blocks together. */
uint32_t Params[3]; /**< Block parameters to be issued along with the block code (command blocks only). */
} ATTR_PACKED PIMA_Container_t;
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */
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