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116 lines
4.3 KiB
C
116 lines
4.3 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 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 disclaim 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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*
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* Header file for StillImageCommands.c.
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*/
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#ifndef _STILL_IMAGE_COMMANDS_H_
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#define _STILL_IMAGE_COMMANDS_H_
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/* Includes: */
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#include <LUFA/Drivers/USB/USB.h>
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#include "PIMACodes.h"
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/* Macros: */
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/** Pipe number of the Still Image data IN pipe. */
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#define SIMAGE_DATA_IN_PIPE 0x01
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/** Pipe number of the Still Image data OUT pipe. */
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#define SIMAGE_DATA_OUT_PIPE 0x02
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/** Pipe number of the Still Image events pipe. */
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#define SIMAGE_EVENTS_PIPE 0x03
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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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#define UNICODE_STRING_LENGTH(chars) ((chars) << 1)
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/** Timeout period between the issuing of a command to a device, and the reception of the first packet. */
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#define COMMAND_DATA_TIMEOUT_MS 10000
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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 Param field of the container
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*/
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#define PIMA_COMMAND_SIZE(params) ((sizeof(PIMA_SendBlock) - sizeof(PIMA_SendBlock.Params)) + \
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((params) * sizeof(PIMA_SendBlock.Params[0])))
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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_SendBlock) - sizeof(PIMA_SendBlock.Params)) + datalen)
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/* Type Defines: */
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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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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 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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} PIMA_Container_t;
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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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CType_Undefined = 0, /**< Undefined container type */
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CType_CommandBlock = 1, /**< Command Block container type */
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CType_DataBlock = 2, /**< Data Block container type */
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CType_ResponseBlock = 3, /**< Response container type */
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CType_EventBlock = 4, /**< Event Block container type */
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};
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/* External Variables: */
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extern PIMA_Container_t PIMA_SendBlock;
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extern PIMA_Container_t PIMA_ReceivedBlock;
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extern PIMA_Container_t PIMA_EventBlock;
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/* Function Prototypes: */
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void SImage_SendBlockHeader(void);
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uint8_t SImage_ReceiveBlockHeader(void);
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uint8_t SImage_ReceiveEventHeader(void);
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uint8_t SImage_SendData(void* const Buffer, const uint16_t Bytes);
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uint8_t SImage_ReadData(void* const Buffer, const uint16_t Bytes);
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bool SImage_IsEventReceived(void);
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#endif
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