Dmitry Kovalev / Mbed 2 deprecated LGfiltr

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Dependencies:   mbed

Fork of LGstaandart by Dmitry Kovalev

IAP.c@132:2c7bec5cf6fe, 2016-04-13 (annotated)

Committer:
Kovalev_D
Date:
Wed Apr 13 15:01:16 2016 +0000
Revision:
132:2c7bec5cf6fe
Parent:
IAP.cpp@130:1421dda4d7e7
Child:
186:c7a9c309086c
fhfh

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