/**
 * \addtogroup BSP
 * \{
 * \addtogroup SYSTEM
 * \{
 * \addtogroup SUOTA
 * 
 * \brief SUOTA structure definitions
 *
 * \{
 */

/**
 *****************************************************************************************
 *
 * @file suota.h
 *
 * @brief SUOTA structure definitions
 *
 * Copyright (c) 2016, Dialog Semiconductor
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software without 
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *
 *****************************************************************************************
 */

#ifndef SUOTA_H_
#define SUOTA_H_

#include <stdint.h>

#define SUOTA_VERSION_1_1       11
#define SUOTA_VERSION_1_2       12
#define SUOTA_VERSION_1_3       13

#ifndef SUOTA_VERSION
#define SUOTA_VERSION           SUOTA_VERSION_1_3
#endif

#if SUOTA_PSM && (SUOTA_VERSION < SUOTA_VERSION_1_2)
#       error "SUOTA_PSM is only applicable to SUOTA_VERSION >= 1.2"
#endif

/**
 * \struct suota_1_1_product_header_t;
 *
 * \brief SUOTA 1.1 product header as defined by Dialog SUOTA specification.
 *
 * \note the same header is used for any SUOTA version newer than 1.1
 *
 */
typedef struct {
        uint8_t signature[2];
        uint16_t flags;
        uint32_t current_image_location;
        uint32_t update_image_location;
        uint8_t reserved[8];
} __attribute__((packed)) suota_1_1_product_header_t;

#define SUOTA_1_1_PRODUCT_HEADER_SIGNATURE_B1   0x70
#define SUOTA_1_1_PRODUCT_HEADER_SIGNATURE_B2   0x62

/**
 * \struct suota_1_1_image_header_t
 *
 * \brief SUOTA 1.1 image header as defined by Dialog SUOTA specification.
 *
 * \note the same header is used for any SUOTA version newer than 1.1
 *
 */
typedef struct {
        uint8_t signature[2];
        uint16_t flags;
        uint32_t code_size;
        uint32_t crc;
        uint8_t version[16];
        uint32_t timestamp;
        uint32_t exec_location;
} __attribute__((packed)) suota_1_1_image_header_t;

#define SUOTA_1_1_IMAGE_HEADER_SIGNATURE_B1     0x70
#define SUOTA_1_1_IMAGE_HEADER_SIGNATURE_B2     0x61

#define SUOTA_1_1_IMAGE_FLAG_FORCE_CRC          0x01
#define SUOTA_1_1_IMAGE_FLAG_VALID              0x02
#define SUOTA_1_1_IMAGE_FLAG_RETRY1             0x04
#define SUOTA_1_1_IMAGE_FLAG_RETRY2             0x08

typedef suota_1_1_image_header_t suota_image_header_t;

#endif /* SUOTA_H_ */

/**
 * \}
 * \}
 * \}
 */