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/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 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
*
* Header file for StillImageCommands.c.
*/
#ifndef _STILL_IMAGE_COMMANDS_H_
#define _STILL_IMAGE_COMMANDS_H_
/* Includes: */
#include <LUFA/Drivers/USB/USB.h>
#include "PIMACodes.h"
#include "../StillImageHost.h"
/* Macros: */
/** Length in bytes of a given Unicode string's character length.
*
* \param[in] chars Total number of Unicode characters in the string
*/
#define UNICODE_STRING_LENGTH(chars) ((chars) << 1)
/** Timeout period between the issuing of a command to a device, and the reception of the first packet. */
#define COMMAND_DATA_TIMEOUT_MS 10000
/** 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 Param field of the container
*/
#define PIMA_COMMAND_SIZE(params) ((sizeof(PIMA_SendBlock) - sizeof(PIMA_SendBlock.Params)) + \
((params) * sizeof(PIMA_SendBlock.Params[0])))
/** 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_SendBlock) - sizeof(PIMA_SendBlock.Params)) + datalen)
/* Type Defines: */
/** Type define for a PIMA container, use to send commands and receive responses to and from an
* attached Still Image device.
*/
typedef struct
{
uint32_t DataLength; /**< Length of the container and data, in bytes */
uint16_t Type; /**< Container type, a value from the 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) */
} PIMA_Container_t;
/* Enums: */
/** Enum for the possible PIMA contains types. */
enum PIMA_Container_Types_t
{
CType_Undefined = 0, /**< Undefined container type */
CType_CommandBlock = 1, /**< Command Block container type */
CType_DataBlock = 2, /**< Data Block container type */
CType_ResponseBlock = 3, /**< Response container type */
CType_EventBlock = 4, /**< Event Block container type */
};
/* External Variables: */
extern PIMA_Container_t PIMA_SendBlock;
extern PIMA_Container_t PIMA_ReceivedBlock;
extern PIMA_Container_t PIMA_EventBlock;
/* Function Prototypes: */
void SImage_SendBlockHeader(void);
uint8_t SImage_ReceiveBlockHeader(void);
uint8_t SImage_ReceiveEventHeader(void);
uint8_t SImage_SendData(void* const Buffer,
const uint16_t Bytes);
uint8_t SImage_ReadData(void* const Buffer,
const uint16_t Bytes);
bool SImage_IsEventReceived(void);
#endif
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