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/*******************************************************************************
* Copyright (C) ST-Ericsson SA 2011
* License terms: 3-clause BSD license
******************************************************************************/
#ifndef _T_R15_HEADER_H_
#define _T_R15_HEADER_H_
/**
* @addtogroup ldr_communication_serv
* @{
* @addtogroup r15_family
* @{
* @addtogroup ldr_r15_header
* @{
*/
/*******************************************************************************
* Includes
******************************************************************************/
#include "t_basicdefinitions.h"
/*******************************************************************************
* Types, constants
******************************************************************************/
#define ALIGN_SIZE 512
/** Length of the command packet header.*/
#define TL_COMMAND_PACKET_HEADER_LENGTH 20
/** Length of the bulk packet header.*/
#define TL_BULK_PACKET_HEADER_LENGTH 36
/** Length of the calculated sha256 hash. */
#define SHA_256_HASH_LENGTH 32
/** Header pattern for the loader protocol.*/
#define HEADER_PATTERN (0xAA)
/** Extended header pattern of the loader protocol.*/
#define HEADER_PATTERN_EXTENSION (0xEE)
/** The length of the header. */
#define HEADER_LENGTH 16
/** The length of the command extended header. */
#define COMMAND_EXTENDED_HEADER_LENGTH 4
/** The length of the bulk extended header. */
#define BULK_EXTENDED_HEADER_LENGTH 20
#define ALIGNED_HEADER_LENGTH ALIGN_SIZE
#define ALIGNED_COMMAND_EXTENDED_HEADER_LENGTH ALIGN_SIZE
#define ALIGNED_BULK_EXTENDED_HEADER_LENGTH ALIGN_SIZE
/**
* Header search results
*/
#define NO_HEADER_PATTERN (0x00)
#define HEADER_PATTERN_MATCH (0x01)
#define HEADER_PATTERN_CANDIDATE (0x02)
/** Protocol types*/
typedef enum {
PROTO_COMMAND = 0xBC, /**< R15 command protocol identification number. */
PROTO_BULK = 0xBD /**< R15 bulk protocol identification number. */
} R15_Protocol_t;
/** Header for command and bulk protocol */
typedef struct {
uint8 HeaderPattern; /**< Header pattern for marking header start.*/
uint8 Protocol; /**< Protocol type. */
uint16 HeaderPatternExtension; /**< Header pattern extension.*/
uint8 Flags; /**< Flags for the header.*/
uint8 ExtendedHeaderLength; /**< Extended header length.*/
uint8 ExtendedHeaderChecksum; /**< Extended header checksum.*/
uint32 PayloadLength; /**< Payload length. */
uint32 PayloadChecksum; /**< Payload checksum. */
uint8 HeaderChecksum; /**< Header checksum. */
} R15_Header_t;
/**
* Extended header for command protocol
*/
typedef struct {
uint16 SessionState; /**< Session and state for command header */
uint8 Command; /**< Specified command */
uint8 CommandGroup; /**< Specified command group */
} CommandExtendedHeader_t;
/**
* Extended header for bulk protocol
*/
typedef struct {
uint16 Session; /**< Session for bulk header */
uint8 TypeFlags; /**< Flags for data packet */
uint8 AcksChunk; /**< Number of acknowledged chunks or chunk identifier */
uint32 ChunkSize; /**< The maximum payload size of data packet */
uint64 Offset; /**< Offset from where the reading and writing of data should begin*/
uint32 Length; /**< How many bytes should be read/write */
} BulkExtendedHeader_t;
/** @} */
/** @} */
/** @} */
#endif /*_T_R15_HEADER_H_*/
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