keilc51編譯ds1302問(wèn)題,顯示85-85-85

ID:104982 · 發(fā)表于 2018-10-12 10:22

用c51v959編譯一個(gè)ds1302 的程序，在Proteus下運(yùn)行顯示年月日85-85-85（應(yīng)該顯示18-10-12）
換成舊的c51v953重新編譯顯示正常
1 提醒小伙伴做時(shí)鐘仿真的時(shí)候注意。
2 請(qǐng)大神分析一下到底是什么原因造成了這一問(wèn)題？
編譯器特性的改變？程序的寫(xiě)法？提供一下思路也行啊，謝謝

ID:104982 · 發(fā)表于 2018-10-12 10:31

#include<reg52.h>
#include<stdio.h>
#include <string.h>
#include "DS1302.h"
#define uint unsigned int
#define uchar unsigned char
void Delay(uint x)
{
uchar i;
while(x--)
{
     for(i=0;i<120;i++);
}
}
void uart(void) //串口通信初始化
{
SCON=0x40; //串口通信工作方式1
REN=1; //允許接收
TMOD=0x20; //定時(shí)器1的工作方式2
TH1=0xfd,TL1=0xfd;
TI=1;                      //這里一定要注意
TR1=1; //打開(kāi)定時(shí)器
}
void Time_show(void)
{
SYSTEMTIME CurrentTime;
DS1302_GetTime(&CurrentTime);
DateToStr(&CurrentTime);
TimeToStr(&CurrentTime);
   printf("\r\nCurrentTime.DateString %s\r\n",CurrentTime.DateString);
Delay(100);
}
void main(void)
{
unsigned char i,RValue;
unsigned char  RYear;
uint up=0,down=0,high=0;
uint result ;
uart();
Initial_DS1302();
while(1)
{
printf("**************usart test******************\r\n");
Time_show();
Delay(1000);
}
}

ID:104982 · 發(fā)表于 2018-10-12 10:32

/**************************************************************************

               THE REAL TIMER DS1302 DRIVER LIB

         COPYRIGHT (c) 2005 BY JJJ.
                       --  ALL RIGHTS RESERVED  --

File Name:    DS1302.h
Author:       Jiang Jian Jun
Created:       2003/7/21
Modified: NO
Revision: 1.0

***************************************************************************/
#ifndef _REAL_TIMER_DS1302_2003_7_21_
#define _REAL_TIMER_DS1302_2003_7_21_

sbit  DS1302_CLK = P2^0;             //實(shí)時(shí)時(shí)鐘時(shí)鐘線引腳
sbit  DS1302_IO  = P2^1;             //實(shí)時(shí)時(shí)鐘數(shù)據(jù)線引腳
sbit  DS1302_RST = P2^2;             //實(shí)時(shí)時(shí)鐘復(fù)位線引腳
sbit  ACC0 = ACC^0;
sbit  ACC7 = ACC^7;

typedef struct __SYSTEMTIME__
{
unsigned char Second;
unsigned char Minute;
unsigned char Hour;
unsigned char Week;
unsigned char Day;
unsigned char Month;
unsigned char  Year;
unsigned char DateString[9];
unsigned char TimeString[9];
}SYSTEMTIME; //定義的時(shí)間類(lèi)型

#define AM(X) X
#define PM(X) (X+12)                // 轉(zhuǎn)成24小時(shí)制
#define DS1302_SECOND 0x80
#define DS1302_MINUTE 0x82
#define DS1302_HOUR 0x84
#define DS1302_WEEK 0x8A
#define DS1302_DAY 0x86
#define DS1302_MONTH 0x88
#define DS1302_YEAR 0x8C
#define DS1302_RAM(X) (0xC0+(X)*2)    //用于計(jì)算 DS1302_RAM 地址的宏

void DS1302InputByte(unsigned char d) //實(shí)時(shí)時(shí)鐘寫(xiě)入一字節(jié)(內(nèi)部函數(shù))
{
unsigned char i;
ACC = d;
for(i=8; i>0; i--)
{
      DS1302_IO = ACC0;            //相當(dāng)于匯編中的 RRC
      DS1302_CLK = 1;
      DS1302_CLK = 0;
      ACC = ACC >> 1;
}
}

unsigned char DS1302OutputByte(void) //實(shí)時(shí)時(shí)鐘讀取一字節(jié)(內(nèi)部函數(shù))
{
unsigned char i;
for(i=8; i>0; i--)
{
      ACC = ACC >>1;          //相當(dāng)于匯編中的 RRC
      ACC7 = DS1302_IO;
      DS1302_CLK = 1;
      DS1302_CLK = 0;
}
return(ACC);
}

void Write1302(unsigned char ucAddr, unsigned char ucDa) //ucAddr: DS1302地址, ucData: 要寫(xiě)的數(shù)據(jù)
{
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(ucAddr);    // 地址，命令
DS1302InputByte(ucDa);    // 寫(xiě)1Byte數(shù)據(jù)
DS1302_CLK = 1;
DS1302_RST = 0;
}

unsigned char Read1302(unsigned char ucAddr) //讀取DS1302某地址的數(shù)據(jù)
{
unsigned char ucData;
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(ucAddr|0x01);       // 地址，命令
ucData = DS1302OutputByte();       // 讀1Byte數(shù)據(jù)
DS1302_CLK = 1;
DS1302_RST = 0;
return(ucData);
}

void DS1302_SetProtect(bit flag)       //是否寫(xiě)保護(hù)
{
if(flag)
Write1302(0x8E,0x10);
else
Write1302(0x8E,0x00);
}

void DS1302_SetTime(unsigned char Address, unsigned char Value)       // 設(shè)置時(shí)間函數(shù)
{
DS1302_SetProtect(0);
Write1302(Address, ((Value/10)<<4 | (Value%10)));
}

void DS1302_GetTime(SYSTEMTIME *Time)
{
unsigned char ReadValue;
ReadValue = Read1302(DS1302_SECOND);
Time->Second = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_MINUTE);
Time->Minute = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_HOUR);
Time->Hour = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_DAY);
Time->Day = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_WEEK);
Time->Week = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_MONTH);
Time->Month = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
ReadValue = Read1302(DS1302_YEAR);
Time->Year = ((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);
}

void DateToStr(SYSTEMTIME *Time)
{
Time->DateString[0] = Time->Year/10 + '0';
Time->DateString[1] = Time->Year%10 + '0';
Time->DateString[2] = '-';
Time->DateString[3] = Time->Month/10 + '0';
Time->DateString[4] = Time->Month%10 + '0';
Time->DateString[5] = '-';
Time->DateString[6] = Time->Day/10 + '0';
Time->DateString[7] = Time->Day%10 + '0';
Time->DateString[8] = '\0';
}

void TimeToStr(SYSTEMTIME *Time)
{
Time->TimeString[0] = Time->Hour/10 + '0';
Time->TimeString[1] = Time->Hour%10 + '0';
Time->TimeString[2] = ':';
Time->TimeString[3] = Time->Minute/10 + '0';
Time->TimeString[4] = Time->Minute%10 + '0';
Time->TimeString[5] = ':';
Time->TimeString[6] = Time->Second/10 + '0';
Time->TimeString[7] = Time->Second%10 + '0';
Time->DateString[8] = '\0';
}

void Initial_DS1302(void)
{
unsigned char Second=Read1302(DS1302_SECOND);
if(Second&0x80)
DS1302_SetTime(DS1302_SECOND,0);
}

/********************************************************************************
void BurstWrite1302(unsigned char *pWClock) //往DS1302寫(xiě)入時(shí)鐘數(shù)據(jù)(多字節(jié)方式)
{
unsigned char i;
Write1302(0x8e,0x00);          // 控制命令,WP=0,寫(xiě)操作?
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(0xbe);         // 0xbe:時(shí)鐘多字節(jié)寫(xiě)命令
for (i = 8; i>0; i--)      //8Byte = 7Byte 時(shí)鐘數(shù)據(jù) + 1Byte 控制
{
      DS1302InputByte(*pWClock); // 寫(xiě)1Byte數(shù)據(jù)
      pWClock++;
}
DS1302_CLK = 1;
DS1302_RST = 0;
}

void BurstRead1302(unsigned char *pRClock) //讀取DS1302時(shí)鐘數(shù)據(jù)(時(shí)鐘多字節(jié)方式)
{
unsigned char i;
DS1302_RST = 0;
DS1302_CLK = 0;
DS1302_RST = 1;
DS1302InputByte(0xbf);          // 0xbf:時(shí)鐘多字節(jié)讀命令
for (i=8; i>0; i--)
{
   *pRClock = DS1302OutputByte(); // 讀1Byte數(shù)據(jù)
   pRClock++;
}
DS1302_CLK = 1;
DS1302_RST = 0;
}

void DS1302_TimeStop(bit flag)          // 是否將時(shí)鐘停止
{
unsigned char Data;
Data=Read1302(DS1302_SECOND);
DS1302_SetProtect(0);
if(flag)
Write1302(DS1302_SECOND, Data|0x80);
else
Write1302(DS1302_SECOND, Data&0x7F);
}
********************************************************************************/
#endif

ID:104982 · 發(fā)表于 2018-11-5 17:41

問(wèn)題已解決acc寄存器的問(wèn)題

ID:694766 · 發(fā)表于 2020-2-19 15:30

請(qǐng)問(wèn)最后怎么解決的，最近剛好遇到了這個(gè)問(wèn)題

ID:379034 · 發(fā)表于 2020-3-17 22:36

ACC寄存器啥問(wèn)題？

ID:806448 · 發(fā)表于 2020-7-21 19:29

//往DS1302寫(xiě)入1Byte數(shù)據(jù) void WriteB(uchar ucDa){ uchar i,dat; dat = ucDa; for(i=8; i>0; i--){ T_IO = dat & 0x01; //相當(dāng)于匯編中的 RRC T_CLK = 1; T_CLK = 0; dat = dat >> 1; } } //從DS1302讀取1Byte數(shù)據(jù) uchar ReadB(void) { uchar i,b=0; for(i=8; i>0; i--) { b >>= 1; if(T_IO){ b |= 0x80; } else{ b &= 0x7f; } T_CLK = 1; T_CLK = 0; //相當(dāng)于匯編中的 RRC } return(b); }

ID:806448 · 發(fā)表于 2020-7-21 20:10

在c語(yǔ)言中使用ACC寄存器，用Keil4編譯沒(méi)有問(wèn)題，但是keil5編譯，就會(huì)出問(wèn)題的

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