/**************************************************************************************************
  Filename:       hal_oad.h
  Revised:        $Date: 2010-08-10 19:12:51 -0700 (Tue, 10 Aug 2010) $
  Revision:       $Revision: 23375 $

  Description:    This module defines optionally-compiled Boot Code parameters for the CC2x3x.

  Copyright 2008-2010 Texas Instruments Incorporated. All rights reserved.

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  granted under the terms of a software license agreement between the user
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  limits your use, and you acknowledge, that the Software may not be modified,
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**************************************************************************************************/

#ifndef HAL_OAD_H
#define HAL_OAD_H

/*********************************************************************
 * INCLUDES
 */

#include "hal_board_cfg.h"
#include "hal_types.h"

/*********************************************************************
 * MACROS
 */

#if !defined HAL_OAD_BOOT_CODE
#define HAL_OAD_BOOT_CODE  FALSE
#endif

// MSP430 needs to explicitly pack OAD data structures - 8051 is automatic with byte alignment.
#define PACK_1

/*********************************************************************
 * CONSTANTS
 */

// Placement controlled by oad.xcl.
#define HAL_OAD_RC_START           0x0800
#define HAL_OAD_CRC_ADDR           0x0888
#define HAL_OAD_CRC_OSET          (HAL_OAD_CRC_ADDR - HAL_OAD_RC_START)

/* Note that corresponding changes must be made to oad.xcl when changing the source of Xtra-NV.
 * When using internal flash for XNV, (HAL_OAD_BOOT_PG_CNT + HAL_NV_PAGE_CNT) must be even.
 */
#define HAL_OAD_XNV_IS_INT         FALSE
#define HAL_OAD_XNV_IS_SPI        !HAL_OAD_XNV_IS_INT

/* The oad/oad-boot.xcl files only need 1 page of boot code (located on the first flash page),
 * but the Lock Bits Page is lost with OAD since it is not programmable.
 * So discard it here by faking that boot needs 2 pages.
 */
#define HAL_OAD_BOOT_PG_CNT        2  

/* To reduce the binary image size due to padding un-used code space, reduce HAL_OAD_DL_SIZE
 * to the minimum required for your Application and make the corresponding changes to oad_app.xcl.
 * This size must be an even multiple of HAL_FLASH_PAGE_SIZE.
 */
#if HAL_OAD_XNV_IS_SPI && !defined HAL_BOARD_CC2530EB_REV13
#define HAL_OAD_DL_MAX    0x40000
#define HAL_OAD_DL_SIZE  (0x40000 - ((HAL_NV_PAGE_CNT+HAL_OAD_BOOT_PG_CNT)*HAL_FLASH_PAGE_SIZE))
#define HAL_OAD_DL_OSET   0x0  // Configurable offset into an external NV.
#else
#define HAL_OAD_DL_MAX   (0x40000 - ((HAL_NV_PAGE_CNT+HAL_OAD_BOOT_PG_CNT)*HAL_FLASH_PAGE_SIZE))
#define HAL_OAD_DL_SIZE  (HAL_OAD_DL_MAX / 2)
#define HAL_OAD_DL_OSET  (HAL_OAD_DL_MAX / 2)
#endif

// To run OAD with the legacy ZOAD.exe PC tool, place the preamble in this legacy location.
#define PREAMBLE_OFFSET            0x8C

#if HAL_OAD_XNV_IS_INT
#define VDD_MIN_OAD  VDD_MIN_NV
#else
#define VDD_MIN_OAD  VDD_MIN_XNV
#endif

/*********************************************************************
 * TYPEDEFS
 */

typedef enum {
  HAL_OAD_RC,  /* Run code / active image.          */
  HAL_OAD_DL   /* Downloaded code to be activated later. */
} image_t;

typedef struct {
  uint8 magic[2];
  uint32 len;
  uint16  vers;
  uint16  manu;
  uint16  prod;
} preamble_t;

/*********************************************************************
 * FUNCTIONS
 */

uint8 HalOADChkDL(uint8 dlImagePreambleOffset);
void HalOADInvRC(void);
uint32 HalOADAvail(void);
void HalOADRead(uint32 oset, uint8 *pBuf, uint16 len, image_t type);
void HalOADWrite(uint32 oset, uint8 *pBuf, uint16 len, image_t type);
#endif