284 lines
14 KiB
Plaintext
284 lines
14 KiB
Plaintext
C51 COMPILER V9.01 RTC 02/22/2025 15:36:22 PAGE 1
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C51 COMPILER V9.01, COMPILATION OF MODULE RTC
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OBJECT MODULE PLACED IN .\output\RTC.obj
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COMPILER INVOKED BY: D:\Tool\Keil\C51\BIN\C51.EXE code_drv\RTC.c LARGE OPTIMIZE(7,SIZE) REGFILE(.\output\MCUCore_Load.OR
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-C) BROWSE INTVECTOR(0X1000) INCDIR(.\header_app;.\header_drv;.\code_gasguage;.\code_classb\iec60730_lib\include;.\code_c
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-lassb\iec60730_proc\Include;.\code_classb\config) DEBUG OBJECTEXTEND PRINT(.\output\RTC.lst) OBJECT(.\output\RTC.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 "Main.h"
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10
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11
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12 BOOL bRTCErr;
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13 BOOL bRTCTwiRWErr;
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14 U8 xdata ucRTCTwiRWErrDelayCnt;
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15 RTC_VAR xdata RTC; //For External RTC
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16
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17 /*************************************************************************************************
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18 * 函数名: RTCTwiCheck
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19 * 参 数: 无
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20 * 返回值: 无
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21 * 描 述: 连续5S检测到RTC的I2C通讯错误，则置位bRTCErr=1
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22 *************************************************************************************************/
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23 void RTCTwiCheck(void)
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24 {
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25 1 if(bEnEEPRomBK)
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26 1 {
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27 2 if(bRTCTwiRWErr)
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28 2 {
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29 3 if(++ucRTCTwiRWErrDelayCnt >= TIME_1S_5S)
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30 3 {
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31 4 bRTCErr = 1;
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32 4 ucRTCTwiRWErrDelayCnt = TIME_1S_5S;
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33 4 }
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34 3 }
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35 2 else
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36 2 {
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37 3 ucRTCTwiRWErrDelayCnt = 0;
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38 3 }
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39 2 }
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40 1 }
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41
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42
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43 /*************************************************************************************************
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44 * 函数名: RTCWrite
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45 * 参 数: WrAddr: 寄存器地址；Length：数据长度；WrBuf：数据缓存Buf
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46 * 返回值: 无
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47 * 描 述: RTC写寄存器操作，如果出错连续写两次
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48 *************************************************************************************************/
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49 BOOL RTCWrite(U8 WrAddr, U8 Length, U8 xdata *WrBuf)
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50 {
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51 1 BOOL Result = 0;
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52 1 U8 i;
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53 1
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C51 COMPILER V9.01 RTC 02/22/2025 15:36:22 PAGE 2
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54 1 if(!bRTCErr)
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55 1 {
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56 2 for(i=0; i<5; i++)
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57 2 {
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58 3 #ifdef TWI_Hardware_Module
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59 3 if(TwiWrite(RTC_ID, WrAddr, TWI_ADDR_1B, Length, TWI_CRC_NO, WrBuf))
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60 3 {
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61 4 Result = 1;
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62 4 break;
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63 4 }
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64 3 #else
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if(Result = TwiWrite(RTC_ID, WrAddr, Length, WrBuf))
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{
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Result = 1;
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break;
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}
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#endif
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71 3 Delay1ms(1);
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72 3 }
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73 2 }
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74 1 bRTCTwiRWErr = !Result;
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75 1
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76 1 return Result;
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77 1 }
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78
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79
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80 /*************************************************************************************************
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81 * 函数名: RTCRead
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82 * 参 数: RdAddr: 寄存器地址；Length：数据长度；WrBuf：数据缓存Buf
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83 * 返回值: 无
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84 * 描 述: RTC读寄存器操作，如果出错连续读两次
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85 *************************************************************************************************/
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86 BOOL RTCRead(U8 RdAddr, U8 Length, U8 xdata *RdBuf)
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87 {
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88 1 BOOL Result = 0;
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89 1 U8 i;
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90 1
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91 1 if(!bRTCErr)
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92 1 {
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93 2 for(i=0; i<5; i++)
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94 2 {
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95 3 #ifdef TWI_Hardware_Module
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96 3 if(TwiRead(RTC_ID, RdAddr, TWI_ADDR_1B, Length, TWI_CRC_NO, RdBuf))
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97 3 {
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98 4 Result = 1;
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99 4 break;
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100 4 }
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101 3 #else
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if(TwiRead(RTC_ID, RdAddr, Length, RdBuf))
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{
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Result = 1;
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break;
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}
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#endif
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108 3 Delay1ms(1);
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109 3 }
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110 2 }
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111 1 bRTCTwiRWErr = !Result;
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112 1
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113 1 return Result;
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114 1 }
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115
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C51 COMPILER V9.01 RTC 02/22/2025 15:36:22 PAGE 3
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116 /*************************************************************************************************
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117 * 函数名: RTCReadTime
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118 * 参 数: RdAddr: 寄存器地址；Length：数据长度；WrBuf：数据缓存Buf
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119 * 返回值: 无
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120 * 描 述: RTC读寄存器操作，如果出错连续读两次
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121 *************************************************************************************************/
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122 BOOL RTCReadTime(RTC_VAR xdata *RtcRdVal)
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123 {
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124 1 U8 xdata rtcbuf[9];
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125 1 BOOL Result = 0;
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126 1
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127 1 if(RTCRead(0x00, 9, &rtcbuf)) //从RTC读取时间
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128 1 {
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129 2 if((rtcbuf[7]&0x01) == 0x00) //judge RTCF bit，看是否曾经掉过电
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130 2 {
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131 3 if( ((rtcbuf[2]&0x80) == 0) //不是24小时制
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132 3 || ((rtcbuf[0]&0x70) > 0x50) || ((rtcbuf[0]&0x0F) > 0x09) || ((rtcbuf[0]&0x7F) > 0x59)
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133 3 || ((rtcbuf[1]&0x70) > 0x50) || ((rtcbuf[1]&0x0F) > 0x09) || ((rtcbuf[1]&0x7F) > 0x59)
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134 3 || ((rtcbuf[2]&0x30) > 0x20) || ((rtcbuf[2]&0x0F) > 0x09) || ((rtcbuf[2]&0x2F) > 0x24)
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135 3 || ((rtcbuf[3]&0x30) > 0x30) || ((rtcbuf[3]&0x0F) > 0x09) || ((rtcbuf[3]&0x3F) > 0x31) || (!(r
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-tcbuf[3]&0x3F))
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136 3 || ((rtcbuf[4]&0x10) > 0x10) || ((rtcbuf[4]&0x0F) > 0x09) || ((rtcbuf[4]&0x1F) > 0x12) || (!(r
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-tcbuf[4]&0x1F))
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137 3 || ((rtcbuf[5]&0xF0) > 0x90) || ((rtcbuf[5]&0x0F) > 0x09) || ((rtcbuf[5]&0xFF) > 0x99)
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138 3 || ((rtcbuf[6]&0x07) > 0x06) ) //对小时制及数据合法性进行检查
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139 3 {
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140 4 rtcbuf[0] = RtcRdVal->Second; //数据不合法，可能是因为RTC未初始化导致
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141 4 rtcbuf[1] = RtcRdVal->Minute;
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142 4 rtcbuf[2] = RtcRdVal->Hour;
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143 4 rtcbuf[3] = RtcRdVal->Date;
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144 4 rtcbuf[4] = RtcRdVal->Month;
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145 4 rtcbuf[5] = RtcRdVal->Year;
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146 4 rtcbuf[6] = RtcRdVal->Week;
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147 4
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148 4 Result = RTCModifyTime((RTC_VAR xdata *)(&rtcbuf));
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149 4 }
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150 3 else
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151 3 {
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152 4 RtcRdVal->Second = rtcbuf[0]; //数据合法，则保存从RTC读回的时间
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153 4 RtcRdVal->Minute = rtcbuf[1];
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154 4 RtcRdVal->Hour = rtcbuf[2]&0x1F;
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155 4 RtcRdVal->Date = rtcbuf[3];
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156 4 RtcRdVal->Month = rtcbuf[4];
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157 4 RtcRdVal->Year = rtcbuf[5];
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158 4 RtcRdVal->Week = rtcbuf[6];
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159 4
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160 4 Result = 1;
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161 4 }
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162 3 }
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163 2 else //曾经掉电过，认为RTC不准。
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164 2 {
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165 3 Result = RTCModifyTime((RTC_VAR xdata *)RtcRdVal); //将当前的时间，或从E2中读取的时间，或固定
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-时间重新写入RTC
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166 3 }
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167 2 }
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168 1
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169 1 return Result;
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170 1 }
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171
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172
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173 /*************************************************************************************************
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174 * 函数名: RTCModifyTime
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C51 COMPILER V9.01 RTC 02/22/2025 15:36:22 PAGE 4
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175 * 参 数: RTC：将RTC参数传递进来，进行RTC更新
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176 * 返回值: 无
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177 * 描 述: RTC读寄存器操作，如果出错连续读两次
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178 *************************************************************************************************/
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179 BOOL RTCModifyTime(RTC_VAR xdata *RtcMdyVal)
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180 {
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181 1 BOOL Result = 0;
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182 1 U8 xdata rtcdata;
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183 1 U8 xdata rtctemp[7];
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184 1
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185 1 rtcdata = 0x90;
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186 1 Result = RTCWrite(RTC_REG_STATUS, 1, &rtcdata);
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187 1
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188 1 rtctemp[0] = RtcMdyVal->Second;
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189 1 rtctemp[1] = RtcMdyVal->Minute;
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190 1 rtctemp[2] = RtcMdyVal->Hour|0x80; //设置为24小时制
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191 1 rtctemp[3] = RtcMdyVal->Date;
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192 1 rtctemp[4] = RtcMdyVal->Month;
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193 1 rtctemp[5] = RtcMdyVal->Year;
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194 1 rtctemp[6] = RtcMdyVal->Week;
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195 1
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196 1 Result = RTCWrite(RTC_REG_SECOND, 7, (U8 xdata *)&rtctemp);
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197 1
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198 1 return Result;
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199 1 }
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200
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201
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202 /*************************************************************************************************
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203 * 函数名: RTCInitTime
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204 * 参 数: RTC：将RTC参数传递进来，进行RTC初始化
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205 * 返回值: 无
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206 * 描 述: 初始化，从EEP读取保存的RTC时间参数进行第一次初始化，如果EEP没有保存，则默认初始化时间：20年5月1<E69C88>
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-<2D>12点
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207 *************************************************************************************************/
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208 BOOL RTCInitTime(RTC_VAR xdata *RtcInitVal)
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209 {
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210 1 BOOL Result = 0;
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211 1 U8 xdata rtcbuf[9];
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212 1 U8 xdata i;
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213 1 U8 xdata checksum = 0;
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214 1
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215 1 MemorySet(rtcbuf, 0, sizeof(rtcbuf));
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216 1
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217 1 E2PRomRead(E2PROM_RTC_ADDR, 9, rtcbuf); //从E2备份区读出RTC数据
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218 1 for(i=0; i<7; i++)
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219 1 {
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220 2 checksum += rtcbuf[i];
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221 2 }
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222 1
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223 1 if((rtcbuf[7]!=checksum) || (rtcbuf[8]!=0x5a)) //若校验失败，说明E2读出的时间不可靠，直接把<E68EA5>
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-龀<>奔淠美从<E7BE8E>
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224 1 {
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225 2 rtcbuf[0] = 0x00; //second
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226 2 rtcbuf[1] = 0x00; //minute
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227 2 rtcbuf[2] = 0x12; //hour
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228 2 rtcbuf[3] = 0x01; //date
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229 2 rtcbuf[4] = 0x05; //month
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230 2 rtcbuf[5] = 0x20; //year
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231 2 rtcbuf[6] = 0x05; //week
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232 2 }
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233 1
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234 1 MemoryCopy(rtcbuf, (U8 xdata *)RtcInitVal, 7); //从E2读出的时间或出厂时间先放到RTC时间寄存器
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C51 COMPILER V9.01 RTC 02/22/2025 15:36:22 PAGE 5
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-中存起来
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235 1 Result = RTCReadTime((RTC_VAR xdata *)RtcInitVal);
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236 1
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237 1 return Result;
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238 1 }
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239
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240
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241
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242
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243
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244
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MODULE INFORMATION: STATIC OVERLAYABLE
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CODE SIZE = 958 ----
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CONSTANT SIZE = ---- ----
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XDATA SIZE = 8 43
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PDATA SIZE = ---- ----
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DATA SIZE = ---- ----
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IDATA SIZE = ---- ----
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BIT SIZE = 2 5
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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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