Dmitry Kovalev / Mbed 2 deprecated LG2

fork

Dependencies:   mbed

Fork of LG by igor Apu

IAP.c@217:15cd8752bb6c, 2017-09-04 (annotated)

Committer:
Kovalev_D
Date:
Mon Sep 04 12:55:13 2017 +0000
Revision:
217:15cd8752bb6c
Parent:
186:c7a9c309086c 
dd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kovalev_D 132:2c7bec5cf6fe 1 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 2 * $Id$
Kovalev_D 132:2c7bec5cf6fe 3 *
Kovalev_D 132:2c7bec5cf6fe 4 * Project: NXP LPC1700 Secondary Bootloader Example
Kovalev_D 132:2c7bec5cf6fe 5 *
Kovalev_D 132:2c7bec5cf6fe 6 * Description: Provides access to In-Application Programming (IAP) routines
Kovalev_D 132:2c7bec5cf6fe 7 * contained within the bootROM sector of LPC1100 devices.
Kovalev_D 132:2c7bec5cf6fe 8 *
Kovalev_D 132:2c7bec5cf6fe 9 * Copyright(C) 2010, NXP Semiconductor
Kovalev_D 132:2c7bec5cf6fe 10 * All rights reserved.
Kovalev_D 132:2c7bec5cf6fe 11 *
Kovalev_D 132:2c7bec5cf6fe 12 *****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 13 * Software that is described herein is for illustrative purposes only
Kovalev_D 132:2c7bec5cf6fe 14 * which provides customers with programming information regarding the
Kovalev_D 132:2c7bec5cf6fe 15 * products. This software is supplied "AS IS" without any warranties.
Kovalev_D 132:2c7bec5cf6fe 16 * NXP Semiconductors assumes no responsibility or liability for the
Kovalev_D 132:2c7bec5cf6fe 17 * use of the software, conveys no license or title under any patent,
Kovalev_D 132:2c7bec5cf6fe 18 * copyright, or mask work right to the product. NXP Semiconductors
Kovalev_D 132:2c7bec5cf6fe 19 * reserves the right to make changes in the software without
Kovalev_D 132:2c7bec5cf6fe 20 * notification. NXP Semiconductors also make no representation or
Kovalev_D 132:2c7bec5cf6fe 21 * warranty that such application will be suitable for the specified
Kovalev_D 132:2c7bec5cf6fe 22 * use without further testing or modification.
Kovalev_D 132:2c7bec5cf6fe 23 *****************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 24 #include "IAP.h"
Kovalev_D 132:2c7bec5cf6fe 25 #include <LPC17xx.h>
Diletant 186:c7a9c309086c 26 extern uint32_t SystemCoreClock1;
Kovalev_D 130:1421dda4d7e7 27
Kovalev_D 132:2c7bec5cf6fe 28 /* IAP Command Definitions */
Kovalev_D 132:2c7bec5cf6fe 29 #define IAP_CMD_PREPARE_SECTORS 50
Kovalev_D 132:2c7bec5cf6fe 30 #define IAP_CMD_COPY_RAM_TO_FLASH 51
Kovalev_D 132:2c7bec5cf6fe 31 #define IAP_CMD_ERASE_SECTORS 52
Kovalev_D 132:2c7bec5cf6fe 32 #define IAP_CMD_BLANK_CHECK_SECTORS 53
Kovalev_D 132:2c7bec5cf6fe 33 #define IAP_CMD_READ_PART_ID 54
Kovalev_D 132:2c7bec5cf6fe 34 #define IAP_CMD_READ_BOOT_ROM_VERSION 55
Kovalev_D 132:2c7bec5cf6fe 35 #define IAP_CMD_COMPARE 56
Kovalev_D 132:2c7bec5cf6fe 36 #define IAP_CMD_REINVOKE_ISP 57
Kovalev_D 132:2c7bec5cf6fe 37 #define IAP_CMD_READ_SERIAL_NUMBER 58
Kovalev_D 130:1421dda4d7e7 38
Kovalev_D 132:2c7bec5cf6fe 39 /* IAP boot ROM location and access function */
Kovalev_D 132:2c7bec5cf6fe 40 #define IAP_ROM_LOCATION 0x1FFF1FF1UL
Kovalev_D 132:2c7bec5cf6fe 41 #define IAP_EXECUTE_CMD(a, b) ((void (*)())(IAP_ROM_LOCATION))(a, b)
Kovalev_D 130:1421dda4d7e7 42
Kovalev_D 132:2c7bec5cf6fe 43 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 44 ** Function name: u32IAP_PrepareSectors
Kovalev_D 132:2c7bec5cf6fe 45 **
Kovalev_D 132:2c7bec5cf6fe 46 ** Description: Prepares sector(s) for erasing or write operations. This
Kovalev_D 132:2c7bec5cf6fe 47 ** command must be executed before executing the "Copy RAM to
Kovalev_D 132:2c7bec5cf6fe 48 ** Flash" or "Erase Sector(s)" commands.
Kovalev_D 132:2c7bec5cf6fe 49 **
Kovalev_D 132:2c7bec5cf6fe 50 ** Parameters: u32StartSector - Number of first sector to prepare.
Kovalev_D 132:2c7bec5cf6fe 51 ** u32EndSector - Number of last sector to prepare.
Kovalev_D 132:2c7bec5cf6fe 52 **
Kovalev_D 132:2c7bec5cf6fe 53 ** Returned value: Status code returned by IAP ROM function.
Kovalev_D 132:2c7bec5cf6fe 54 **
Kovalev_D 132:2c7bec5cf6fe 55 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 56 uint32_t u32IAP_PrepareSectors(uint32_t u32StartSector, uint32_t u32EndSector)
Kovalev_D 132:2c7bec5cf6fe 57 {
Kovalev_D 132:2c7bec5cf6fe 58 uint32_t u32Status;
Kovalev_D 132:2c7bec5cf6fe 59 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 60 uint32_t au32Command[5];
Kovalev_D 132:2c7bec5cf6fe 61
Kovalev_D 132:2c7bec5cf6fe 62 if (u32EndSector < u32StartSector)
Kovalev_D 132:2c7bec5cf6fe 63 {
Kovalev_D 132:2c7bec5cf6fe 64 u32Status = IAP_STA_INVALD_PARAM;
Kovalev_D 132:2c7bec5cf6fe 65 }
Kovalev_D 132:2c7bec5cf6fe 66 else
Kovalev_D 132:2c7bec5cf6fe 67 {
Kovalev_D 132:2c7bec5cf6fe 68 au32Command[0] = IAP_CMD_PREPARE_SECTORS;
Kovalev_D 132:2c7bec5cf6fe 69 au32Command[1] = u32StartSector;
Kovalev_D 132:2c7bec5cf6fe 70 au32Command[2] = u32EndSector;
Kovalev_D 132:2c7bec5cf6fe 71
Kovalev_D 132:2c7bec5cf6fe 72 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 132:2c7bec5cf6fe 73
Kovalev_D 132:2c7bec5cf6fe 74 u32Status = au32Result[0];
Kovalev_D 132:2c7bec5cf6fe 75 }
Kovalev_D 132:2c7bec5cf6fe 76 return u32Status;
Kovalev_D 130:1421dda4d7e7 77 }
Kovalev_D 130:1421dda4d7e7 78
Kovalev_D 132:2c7bec5cf6fe 79 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 80 ** Function name: u32IAP_CopyRAMToFlash
Kovalev_D 132:2c7bec5cf6fe 81 **
Kovalev_D 132:2c7bec5cf6fe 82 ** Description: Program the flash memory with data stored in RAM.
Kovalev_D 132:2c7bec5cf6fe 83 **
Kovalev_D 132:2c7bec5cf6fe 84 ** Parameters: u32DstAddr - Destination Flash address, should be a 256
Kovalev_D 132:2c7bec5cf6fe 85 ** byte boundary.
Kovalev_D 132:2c7bec5cf6fe 86 ** u32SrcAddr - Source RAM address, should be a word boundary
Kovalev_D 132:2c7bec5cf6fe 87 ** u32Len - Number of 8-bit bytes to write, must be 256
Kovalev_D 132:2c7bec5cf6fe 88 ** 512, 1024, or 4096.
Kovalev_D 132:2c7bec5cf6fe 89 *
Kovalev_D 132:2c7bec5cf6fe 90 ** Returned value: Status code returned by IAP ROM function.
Kovalev_D 132:2c7bec5cf6fe 91 **
Kovalev_D 132:2c7bec5cf6fe 92 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 93 uint32_t u32IAP_CopyRAMToFlash(uint32_t u32DstAddr, uint32_t u32SrcAddr, uint32_t u32Len)
Kovalev_D 130:1421dda4d7e7 94 {
Kovalev_D 132:2c7bec5cf6fe 95 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 96 uint32_t au32Command[5];
Kovalev_D 132:2c7bec5cf6fe 97 au32Command[0] = IAP_CMD_COPY_RAM_TO_FLASH;
Kovalev_D 132:2c7bec5cf6fe 98 au32Command[1] = u32DstAddr;
Kovalev_D 132:2c7bec5cf6fe 99 au32Command[2] = u32SrcAddr;
Kovalev_D 132:2c7bec5cf6fe 100 au32Command[3] = u32Len;
Kovalev_D 132:2c7bec5cf6fe 101 // au32Command[4] = SystemFrequency / 1000UL; /* Core clock frequency in kHz */
Kovalev_D 132:2c7bec5cf6fe 102 au32Command[4] = SystemCoreClock1 / 1000UL; /* Core clock frequency in kHz */
Kovalev_D 130:1421dda4d7e7 103
Kovalev_D 132:2c7bec5cf6fe 104 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 130:1421dda4d7e7 105
Kovalev_D 132:2c7bec5cf6fe 106 return au32Result[0];
Kovalev_D 130:1421dda4d7e7 107 }
Kovalev_D 130:1421dda4d7e7 108
Kovalev_D 132:2c7bec5cf6fe 109 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 110 ** Function name: u32IAP_EraseSectors
Kovalev_D 132:2c7bec5cf6fe 111 **
Kovalev_D 132:2c7bec5cf6fe 112 ** Description: Erase a sector or multiple sectors of on-chip Flash memory.
Kovalev_D 132:2c7bec5cf6fe 113 **
Kovalev_D 132:2c7bec5cf6fe 114 ** Parameters: u32StartSector - Number of first sector to erase.
Kovalev_D 132:2c7bec5cf6fe 115 ** u32EndSector - Number of last sector to erase.
Kovalev_D 132:2c7bec5cf6fe 116 *
Kovalev_D 132:2c7bec5cf6fe 117 ** Returned value: Status code returned by IAP ROM function.
Kovalev_D 132:2c7bec5cf6fe 118 **
Kovalev_D 132:2c7bec5cf6fe 119 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 120 uint32_t u32IAP_EraseSectors(uint32_t u32StartSector, uint32_t u32EndSector)
Kovalev_D 130:1421dda4d7e7 121 {
Kovalev_D 132:2c7bec5cf6fe 122 uint32_t u32Status;
Kovalev_D 132:2c7bec5cf6fe 123 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 124 uint32_t au32Command[5];
Kovalev_D 130:1421dda4d7e7 125
Kovalev_D 132:2c7bec5cf6fe 126 if (u32EndSector < u32StartSector)
Kovalev_D 132:2c7bec5cf6fe 127 {
Kovalev_D 132:2c7bec5cf6fe 128 u32Status = IAP_STA_INVALD_PARAM;
Kovalev_D 132:2c7bec5cf6fe 129 }
Kovalev_D 132:2c7bec5cf6fe 130 else
Kovalev_D 132:2c7bec5cf6fe 131 {
Kovalev_D 132:2c7bec5cf6fe 132 au32Command[0] = IAP_CMD_ERASE_SECTORS;
Kovalev_D 132:2c7bec5cf6fe 133 au32Command[1] = u32StartSector;
Kovalev_D 132:2c7bec5cf6fe 134 au32Command[2] = u32EndSector;
Kovalev_D 132:2c7bec5cf6fe 135 au32Command[3] = SystemCoreClock1 / 1000UL; /* Core clock frequency in kHz */
Kovalev_D 132:2c7bec5cf6fe 136 // au32Command[3] = /*SystemFrequency / 1000UL; /* Core clock frequency in kHz */
Kovalev_D 130:1421dda4d7e7 137
Kovalev_D 132:2c7bec5cf6fe 138 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 130:1421dda4d7e7 139
Kovalev_D 132:2c7bec5cf6fe 140 u32Status = au32Result[0];
Kovalev_D 132:2c7bec5cf6fe 141 }
Kovalev_D 132:2c7bec5cf6fe 142 return u32Status;
Kovalev_D 130:1421dda4d7e7 143 }
Kovalev_D 130:1421dda4d7e7 144
Kovalev_D 132:2c7bec5cf6fe 145 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 146 ** Function name: u32IAP_BlankCheckSectors
Kovalev_D 132:2c7bec5cf6fe 147 **
Kovalev_D 132:2c7bec5cf6fe 148 ** Description: Blank check a sector or multiple sectors of on-chip flash
Kovalev_D 132:2c7bec5cf6fe 149 ** memory.
Kovalev_D 132:2c7bec5cf6fe 150 **
Kovalev_D 132:2c7bec5cf6fe 151 ** Parameters: u32StartSector - Number of first sector to check.
Kovalev_D 132:2c7bec5cf6fe 152 ** u32EndSector - Number of last sector to check.
Kovalev_D 132:2c7bec5cf6fe 153 ** pu32Result[0] - Offset of the first non blank word location
Kovalev_D 132:2c7bec5cf6fe 154 ** if the Status Code is IAP_STA_SECTOR_NOT_BLANK.
Kovalev_D 132:2c7bec5cf6fe 155 ** pu32Result[1] - Contents of non blank word location.
Kovalev_D 132:2c7bec5cf6fe 156 **
Kovalev_D 132:2c7bec5cf6fe 157 ** Returned value: Status code returned by IAP ROM function.
Kovalev_D 132:2c7bec5cf6fe 158 **
Kovalev_D 132:2c7bec5cf6fe 159 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 160 uint32_t u32IAP_BlankCheckSectors(uint32_t u32StartSector, uint32_t u32EndSector, uint32_t *pu32Result)
Kovalev_D 130:1421dda4d7e7 161 {
Kovalev_D 132:2c7bec5cf6fe 162 uint32_t u32Status;
Kovalev_D 132:2c7bec5cf6fe 163 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 164 uint32_t au32Command[5];
Kovalev_D 130:1421dda4d7e7 165
Kovalev_D 132:2c7bec5cf6fe 166 if (u32EndSector < u32StartSector)
Kovalev_D 132:2c7bec5cf6fe 167 {
Kovalev_D 132:2c7bec5cf6fe 168 u32Status = IAP_STA_INVALD_PARAM;
Kovalev_D 132:2c7bec5cf6fe 169 }
Kovalev_D 132:2c7bec5cf6fe 170 else
Kovalev_D 132:2c7bec5cf6fe 171 {
Kovalev_D 132:2c7bec5cf6fe 172 au32Command[0] = IAP_CMD_BLANK_CHECK_SECTORS;
Kovalev_D 132:2c7bec5cf6fe 173 au32Command[1] = u32StartSector;
Kovalev_D 132:2c7bec5cf6fe 174 au32Command[2] = u32EndSector;
Kovalev_D 130:1421dda4d7e7 175
Kovalev_D 132:2c7bec5cf6fe 176 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 130:1421dda4d7e7 177
Kovalev_D 132:2c7bec5cf6fe 178 if (au32Result[0] == IAP_STA_SECTOR_NOT_BLANK)
Kovalev_D 132:2c7bec5cf6fe 179 {
Kovalev_D 132:2c7bec5cf6fe 180 *pu32Result = au32Result[0];
Kovalev_D 132:2c7bec5cf6fe 181 *(pu32Result + 1) = au32Result[1];
Kovalev_D 132:2c7bec5cf6fe 182 }
Kovalev_D 132:2c7bec5cf6fe 183 u32Status = au32Result[0];
Kovalev_D 132:2c7bec5cf6fe 184 }
Kovalev_D 132:2c7bec5cf6fe 185 return u32Status;
Kovalev_D 130:1421dda4d7e7 186 }
Kovalev_D 130:1421dda4d7e7 187
Kovalev_D 132:2c7bec5cf6fe 188 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 189 ** Function name: u32IAP_ReadPartID
Kovalev_D 132:2c7bec5cf6fe 190 **
Kovalev_D 132:2c7bec5cf6fe 191 ** Description: Read the part identification number.
Kovalev_D 132:2c7bec5cf6fe 192 **
Kovalev_D 132:2c7bec5cf6fe 193 ** Parameters: pu32PartID - Pointer to storage for part ID number.
Kovalev_D 132:2c7bec5cf6fe 194 *
Kovalev_D 132:2c7bec5cf6fe 195 ** Returned value: Status code returned by IAP ROM function.
Kovalev_D 132:2c7bec5cf6fe 196 **
Kovalev_D 132:2c7bec5cf6fe 197 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 198 uint32_t u32IAP_ReadPartID(uint32_t *pu32PartID)
Kovalev_D 130:1421dda4d7e7 199 {
Kovalev_D 132:2c7bec5cf6fe 200 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 201 uint32_t au32Command[5];
Kovalev_D 130:1421dda4d7e7 202
Kovalev_D 132:2c7bec5cf6fe 203 au32Command[0] = IAP_CMD_READ_PART_ID;
Kovalev_D 132:2c7bec5cf6fe 204
Kovalev_D 132:2c7bec5cf6fe 205 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 130:1421dda4d7e7 206
Kovalev_D 132:2c7bec5cf6fe 207 *pu32PartID = au32Result[1];
Kovalev_D 132:2c7bec5cf6fe 208
Kovalev_D 132:2c7bec5cf6fe 209 return au32Result[0];
Kovalev_D 130:1421dda4d7e7 210 }
Kovalev_D 130:1421dda4d7e7 211
Kovalev_D 132:2c7bec5cf6fe 212 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 213 ** Function name: u32IAP_ReadBootVersion
Kovalev_D 132:2c7bec5cf6fe 214 **
Kovalev_D 132:2c7bec5cf6fe 215 ** Description: Read the boot code version number.
Kovalev_D 132:2c7bec5cf6fe 216 **
Kovalev_D 132:2c7bec5cf6fe 217 ** Parameters: pu32Major - Major version number in ASCII format.
Kovalev_D 132:2c7bec5cf6fe 218 ** pu32Minor - Minor version number in ASCII format.
Kovalev_D 132:2c7bec5cf6fe 219 **
Kovalev_D 132:2c7bec5cf6fe 220 ** Returned value: Status code returned by IAP ROM function.
Kovalev_D 132:2c7bec5cf6fe 221 **
Kovalev_D 132:2c7bec5cf6fe 222 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 223 uint32_t u32IAP_ReadBootVersion(uint32_t *pu32Major, uint32_t *pu32Minor)
Kovalev_D 130:1421dda4d7e7 224 {
Kovalev_D 132:2c7bec5cf6fe 225 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 226 uint32_t au32Command[5];
Kovalev_D 132:2c7bec5cf6fe 227
Kovalev_D 132:2c7bec5cf6fe 228 au32Command[0] = IAP_CMD_READ_BOOT_ROM_VERSION;
Kovalev_D 132:2c7bec5cf6fe 229
Kovalev_D 132:2c7bec5cf6fe 230 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 132:2c7bec5cf6fe 231
Kovalev_D 132:2c7bec5cf6fe 232 *pu32Major = (au32Result[1] & 0x0000FF00UL) >> 8;
Kovalev_D 132:2c7bec5cf6fe 233 *pu32Minor = au32Result[1] & 0x000000FFUL;
Kovalev_D 132:2c7bec5cf6fe 234
Kovalev_D 132:2c7bec5cf6fe 235 return au32Result[0];
Kovalev_D 130:1421dda4d7e7 236 }
Kovalev_D 130:1421dda4d7e7 237
Kovalev_D 132:2c7bec5cf6fe 238 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 239 ** Function name: u32IAP_ReadBootVersion
Kovalev_D 132:2c7bec5cf6fe 240 **
Kovalev_D 132:2c7bec5cf6fe 241 ** Description: Read the boot code version number.
Kovalev_D 132:2c7bec5cf6fe 242 **
Kovalev_D 132:2c7bec5cf6fe 243 ** Parameters: pu32Major - Major version number in ASCII format.
Kovalev_D 132:2c7bec5cf6fe 244 ** pu32Minor - Minor version number in ASCII format.
Kovalev_D 132:2c7bec5cf6fe 245 **
Kovalev_D 132:2c7bec5cf6fe 246 ** Returned value: Status code returned by IAP ROM function.
Kovalev_D 132:2c7bec5cf6fe 247 **
Kovalev_D 132:2c7bec5cf6fe 248 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 249 void u32IAP_ReadSerialNumber(uint32_t *pu32byte0, uint32_t *pu32byte1,
Kovalev_D 132:2c7bec5cf6fe 250 uint32_t *pu32byte2, uint32_t *pu32byte3)
Kovalev_D 130:1421dda4d7e7 251 {
Kovalev_D 132:2c7bec5cf6fe 252 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 253 uint32_t au32Command[5];
Kovalev_D 132:2c7bec5cf6fe 254
Kovalev_D 132:2c7bec5cf6fe 255 au32Command[0] = IAP_CMD_READ_SERIAL_NUMBER;
Kovalev_D 132:2c7bec5cf6fe 256
Kovalev_D 132:2c7bec5cf6fe 257 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 130:1421dda4d7e7 258
Kovalev_D 132:2c7bec5cf6fe 259 *pu32byte0 = au32Result[0];
Kovalev_D 132:2c7bec5cf6fe 260 *pu32byte1 = au32Result[1];
Kovalev_D 132:2c7bec5cf6fe 261 *pu32byte2 = au32Result[2];
Kovalev_D 132:2c7bec5cf6fe 262 *pu32byte3 = au32Result[3];
Kovalev_D 130:1421dda4d7e7 263
Kovalev_D 132:2c7bec5cf6fe 264 return;
Kovalev_D 130:1421dda4d7e7 265 }
Kovalev_D 130:1421dda4d7e7 266
Kovalev_D 132:2c7bec5cf6fe 267 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 268 ** Function name: u32IAP_Compare
Kovalev_D 132:2c7bec5cf6fe 269 **
Kovalev_D 132:2c7bec5cf6fe 270 ** Description: Compares the memory contents at two locations.
Kovalev_D 132:2c7bec5cf6fe 271 **
Kovalev_D 132:2c7bec5cf6fe 272 ** Parameters: u32Len - Number of bytes to compare, must be a multiple of 4.
Kovalev_D 132:2c7bec5cf6fe 273 ** pu32Offset - Offset of the first mismatch if the Status Code is COMPARE_ERROR
Kovalev_D 132:2c7bec5cf6fe 274 **
Kovalev_D 132:2c7bec5cf6fe 275 ** Returned value: Status code returned by IAP ROM function.
Kovalev_D 132:2c7bec5cf6fe 276 **
Kovalev_D 132:2c7bec5cf6fe 277 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 278 uint32_t u32IAP_Compare(uint32_t u32DstAddr, uint32_t u32SrcAddr, uint32_t u32Len, uint32_t *pu32Offset)
Kovalev_D 130:1421dda4d7e7 279 {
Kovalev_D 132:2c7bec5cf6fe 280 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 281 uint32_t au32Command[5];
Kovalev_D 132:2c7bec5cf6fe 282
Kovalev_D 132:2c7bec5cf6fe 283 au32Command[0] = IAP_CMD_COMPARE;
Kovalev_D 132:2c7bec5cf6fe 284 au32Command[1] = u32DstAddr;
Kovalev_D 132:2c7bec5cf6fe 285 au32Command[2] = u32SrcAddr;
Kovalev_D 132:2c7bec5cf6fe 286 au32Command[3] = u32Len;
Kovalev_D 130:1421dda4d7e7 287
Kovalev_D 132:2c7bec5cf6fe 288 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 130:1421dda4d7e7 289
Kovalev_D 132:2c7bec5cf6fe 290 if (au32Result[0] == IAP_STA_COMPARE_ERROR)
Kovalev_D 132:2c7bec5cf6fe 291 {
Kovalev_D 132:2c7bec5cf6fe 292 if (pu32Offset != 0)
Kovalev_D 132:2c7bec5cf6fe 293 {
Kovalev_D 132:2c7bec5cf6fe 294 *pu32Offset = au32Result[1];
Kovalev_D 132:2c7bec5cf6fe 295 }
Kovalev_D 132:2c7bec5cf6fe 296 }
Kovalev_D 132:2c7bec5cf6fe 297 return au32Result[0];
Kovalev_D 130:1421dda4d7e7 298 }
Kovalev_D 130:1421dda4d7e7 299
Kovalev_D 132:2c7bec5cf6fe 300 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 301 ** Function name: vIAP_ReinvokeISP
Kovalev_D 132:2c7bec5cf6fe 302 **
Kovalev_D 132:2c7bec5cf6fe 303 ** Description: Invoke the bootloader in ISP mode.
Kovalev_D 132:2c7bec5cf6fe 304 **
Kovalev_D 132:2c7bec5cf6fe 305 ** Parameters: None.
Kovalev_D 132:2c7bec5cf6fe 306 *
Kovalev_D 132:2c7bec5cf6fe 307 ** Returned value: None.
Kovalev_D 132:2c7bec5cf6fe 308 **
Kovalev_D 132:2c7bec5cf6fe 309 ******************************************************************************/
Kovalev_D 132:2c7bec5cf6fe 310 void vIAP_ReinvokeISP(void)
Kovalev_D 130:1421dda4d7e7 311 {
Kovalev_D 132:2c7bec5cf6fe 312 uint32_t au32Result[5];
Kovalev_D 132:2c7bec5cf6fe 313 uint32_t au32Command[5];
Kovalev_D 130:1421dda4d7e7 314
Kovalev_D 132:2c7bec5cf6fe 315 au32Command[0] = IAP_CMD_REINVOKE_ISP;
Kovalev_D 130:1421dda4d7e7 316
Kovalev_D 132:2c7bec5cf6fe 317 IAP_EXECUTE_CMD(au32Command, au32Result);
Kovalev_D 130:1421dda4d7e7 318 }
Kovalev_D 130:1421dda4d7e7 319
Kovalev_D 132:2c7bec5cf6fe 320 /*****************************************************************************
Kovalev_D 132:2c7bec5cf6fe 321 ** End Of File
Kovalev_D 132:2c7bec5cf6fe 322 *****************************************************************************/