243 lines
11 KiB
Plaintext
243 lines
11 KiB
Plaintext
C51 COMPILER V9.01 FLASH 02/11/2025 11:30:12 PAGE 1
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C51 COMPILER V9.01, COMPILATION OF MODULE FLASH
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OBJECT MODULE PLACED IN .\output\Flash.obj
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COMPILER INVOKED BY: D:\Tool\Keil\C51\BIN\C51.EXE code_bootloader\Flash.c BROWSE INCDIR(.\header_bootloader) DEBUG OBJEC
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-TEXTEND PRINT(.\output\Flash.lst) OBJECT(.\output\Flash.obj)
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line level source
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1 /********************************************************************************
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2 Copyright (C), Sinowealth Electronic. Ltd.
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3 Author: Sino
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4 Version: V0.0
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5 Date: 2020/04/26
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6 History:
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7 V2.0 2020/04/26 Preliminary
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8 ********************************************************************************/
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9 #include "MCURegister.h"
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10 #include "C51_TYPE.H"
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11 #include "Flash.h"
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12 #include <intrins.h>
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13 #include <ABSACC.H>
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14
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15 U8 ucMcuFlashWrValid;
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16
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17
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18 /*************************************************************************************************
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19 * 函数名: McuFlashEraseSector
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20 * 参 数: McuFlashAddr：起始地址；McuType：擦除CODE区或者EEPROM
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21 * 返回值: 无
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22 * 描 述: 擦除Sector
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23 *************************************************************************************************/
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24 void McuFlashEraseSector(U32 xdata McuFlashAddr, U8 xdata McuType)
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25 {
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26 1 FLASHCON = McuType;
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27 1 XPAGE = McuFlashAddr>>8;
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28 1
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29 1 IB_CON1 = 0xE6;
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30 1 if(!EA) //防止误写
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31 1 {
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32 2 IB_CON2 = 0x05;
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33 2 if(FLASHCON == McuType) //防止误写
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34 2 {
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35 3 IB_CON3 = 0x0A;
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36 3 if(ucMcuFlashWrValid == 0x55) //防止误写
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37 3 {
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38 4 IB_CON4 = 0x09;
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39 4 if(XPAGE == (McuFlashAddr>>8)) //防止误写
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40 4 {
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41 5 IB_CON5 = 0x06;
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42 5 _nop_();
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43 5 _nop_();
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44 5 _nop_();
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45 5 _nop_();
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46 5 }
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47 4 }
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48 3 }
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49 2 }
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50 1
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51 1 FLASHCON = MCU_TYPE_CODE;
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52 1 }
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53
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54
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C51 COMPILER V9.01 FLASH 02/11/2025 11:30:12 PAGE 2
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55 /*************************************************************************************************
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56 * 函数名: McuFlashBlankCheck
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57 * 参 数: McuFlashAddr：起始地址
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58 * 返回值: 0：非全0，Erase失败；1：全0，Erase成功
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59 * 描 述: 当Erase完1个Sector，需检查是否全为0
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60 *************************************************************************************************/
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61 BOOL McuFlashBlankCheck(U32 xdata McuFlashAddr, U8 xdata McuType)
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62 {
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63 1 BOOL Result = 1;
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64 1 U16 i;
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65 1
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66 1 FLASHCON = McuType;
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67 1 for(i=0; i<MCU_CODE_SECTOR_SIZE; i++)
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68 1 {
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69 2 if(CBYTE[McuFlashAddr+i] != 0x00)
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70 2 {
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71 3 Result = 0;
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72 3 break;
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73 3 }
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74 2 }
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75 1 FLASHCON = MCU_TYPE_CODE;
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76 1
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77 1 return Result;
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78 1 }
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79
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80
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81 /*************************************************************************************************
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82 * 函数名: McuFlashWrOneByte
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83 * 参 数: McuFlashAddr：起始地址；WrData：写入的注释
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84 * 返回值: 无
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85 * 描 述: 写1个字节
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86 *************************************************************************************************/
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87 void McuFlashWrOneByte(U32 xdata McuFlashAddr, U8 xdata WrData, U8 xdata McuType)
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88 {
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89 1 FLASHCON = McuType;
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90 1 XPAGE = McuFlashAddr>>8;
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91 1 IB_OFFSET = McuFlashAddr % 256;
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92 1
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93 1 IB_DATA = WrData;
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94 1 IB_CON1 = 0x6E;
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95 1 if(!EA) //防止误写
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96 1 {
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97 2 IB_CON2 = 0x05;
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98 2 if(FLASHCON == McuType) //防止误写
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99 2 {
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100 3 IB_CON3 = 0x0A;
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101 3 if(ucMcuFlashWrValid == 0x55) //防止误写
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102 3 {
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103 4 IB_CON4 = 0x09;
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104 4 if(XPAGE == (McuFlashAddr>>8)) //防止误写
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105 4 {
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106 5 IB_CON5 = 0x06;
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107 5 _nop_();
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108 5 _nop_();
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109 5 _nop_();
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110 5 _nop_();
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111 5 _nop_();
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112 5 }
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113 4 }
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114 3 }
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115 2 }
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116 1
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C51 COMPILER V9.01 FLASH 02/11/2025 11:30:12 PAGE 3
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117 1 FLASHCON = MCU_TYPE_CODE;
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118 1 }
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119
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120
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121 /*************************************************************************************************
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122 * 函数名: McuFlashRdOneByte
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123 * 参 数: McuFlashAddr：读取CODE区的地址
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124 * 返回值: 返回当前Code字节
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125 * 描 述: 读1个字节
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126 *************************************************************************************************/
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127 U8 McuFlashRdOneByte(U32 xdata McuFlashAddr, U8 xdata McuType)
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128 {
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129 1 U8 GetData = 0;
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130 1
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131 1 FLASHCON = McuType;
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132 1 GetData = CBYTE[McuFlashAddr];
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133 1 FLASHCON = MCU_TYPE_CODE;
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134 1 return GetData;
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135 1 }
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136
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137
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138 /*************************************************************************************************
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139 * 函数名: BootProgram
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140 * 参 数: 无
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141 * 返回值: 无
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142 * 描 述: Boot区进行升级代码操作：Erase->Program->Verify
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143 每擦除1个Sector，即刻写入数据，校验数据
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144 *************************************************************************************************/
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145 U8 BootProgram(void)
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146 {
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147 1 U8 i, McuCode, McuFlashType;
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148 1 U16 j;
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149 1 U32 McuFlashAddr;
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150 1
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151 1 for(i=0; i<IAP_BK_CODE_SIZE/MCU_CODE_SECTOR_SIZE; i++) //擦除应用程序区，以Sector为<72>
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-ノ<>
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152 1 {
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153 2 BootMcuWdtClear();
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154 2 if(i < IAP_CODE_SIZE/MCU_CODE_SECTOR_SIZE) //当前更新CODE区29K
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155 2 {
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156 3 McuFlashType = MCU_TYPE_CODE; //IAP更新CODE区
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157 3 McuFlashAddr = IAP_CODE_START_ADDR + (U16)i*MCU_CODE_SECTOR_SIZE; //从第5K开始
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158 3 }
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159 2 else
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160 2 {
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161 3 McuFlashType = MCU_TYPE_E2P; //IAP更新EEPROM区
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162 3 McuFlashAddr = (U16)i*MCU_CODE_SECTOR_SIZE - IAP_CODE_SIZE;
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163 3 }
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164 2 ucMcuFlashWrValid = 0x55;
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165 2 McuFlashEraseSector(McuFlashAddr, McuFlashType); //以字节为单位
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166 2 if(McuFlashBlankCheck(McuFlashAddr, McuFlashType)) //擦除结束后，需要查空
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167 2 {
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168 3 for(j=0; j<MCU_CODE_SECTOR_SIZE; j++) //将数据搬入APP对应地址
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169 3 {
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170 4 McuCode = McuFlashRdOneByte(IAP_BK_CODE_START_ADDR+j+(U16)i*MCU_CODE_SECTOR_SIZE, MCU_TYPE_CODE); //ya
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-ngweilei 此处固化为从flash取数据，从APP备份区读取CODE(1字节)
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171 4 McuFlashWrOneByte(McuFlashAddr+j, McuCode, McuFlashType); //将CODE写入APP执行区
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172 4 if(McuCode != McuFlashRdOneByte(McuFlashAddr+j, McuFlashType)) //校验写入的代码
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173 4 {
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174 5 return (BOOT_PGR_WR_ERR);
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175 5 }
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176 4 }
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C51 COMPILER V9.01 FLASH 02/11/2025 11:30:12 PAGE 4
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177 3 }
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178 2 else
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179 2 {
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180 3 return (BOOT_PGR_ERASE_ERR);
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181 3 }
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182 2 }
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183 1
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184 1 return (BOOT_PGR_OK);
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185 1 }
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186
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187
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188 /*************************************************************************************************
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189 * 函数名: BootUpgradeCode
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190 * 参 数: 无
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191 * 返回值: 无
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192 * 描 述: Boot区进行升级代码操作：Erase->Program->Verify
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193 *************************************************************************************************/
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194 BOOL BootUpgradeCode(void)
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195 {
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196 1 BOOL Result = 1;
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197 1
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198 1 if(BootProgram() == BOOT_PGR_OK)
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199 1 {
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200 2 McuFlashEraseSector(BOOT_FLG_START_ADDR, MCU_TYPE_CODE); //写入成功，擦除远程升级标志位
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201 2 Result = McuFlashBlankCheck(BOOT_FLG_START_ADDR, MCU_TYPE_CODE); //擦除结束后，需要查空
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202 2 }
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203 1 else
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204 1 {
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205 2 Result = 0;
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206 2 }
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207 1
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208 1 return Result;
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209 1 }
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210
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MODULE INFORMATION: STATIC OVERLAYABLE
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CODE SIZE = 617 ----
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CONSTANT SIZE = ---- ----
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XDATA SIZE = ---- ----
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PDATA SIZE = ---- ----
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DATA SIZE = 1 32
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IDATA SIZE = ---- ----
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BIT SIZE = ---- 2
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END OF MODULE INFORMATION.
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C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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