基于单片机的自行车测速系统设计与实现论文 - 图文(10)

桂林电子科技大学毕业设计（论文）报告用纸 第43 页

if(DATA==1) dat|=0x80; SCLK=1; _nop_(); _nop_(); SCLK=0; _nop_(); _nop_();

}

return dat;

}

unsigned char ReadSet1302(unsigned char Cmd) //函数功能：根据命令字，从1302读取一个字节数据

{ }

void Init_DS1302(void) //函数功能： 1302进行初始化设置 {

unsigned char flag; flag= ReadSet1302(0x81);

if(flag&0x80) {

WriteSet1302(0x8E,0x00); WriteSet1302(0x80,((40/10)<<4|(40)));

43

unsigned char dat; RST=0; SCLK=0; RST=1; Write1302(Cmd); dat=Read1302(); SCLK=1; RST=0; return dat;

桂林电子科技大学毕业设计（论文）报告用纸 第44 页

}

WriteSet1302(0x82,((5/10)<<4|(5))); WriteSet1302(0x84,((0/10)<<4|(0))); WriteSet1302(0x86,((11/10)<<4|(11))); WriteSet1302(0x88,((3/10)<<4|(3))); WriteSet1302(0x8c,((14/10)<<4|(14))); WriteSet1302(0x90,0xa5); WriteSet1302(0x8E,0x80);

}

//函数功能：显示秒

void DisplaySecond(unsigned char x) { }

void DisplayMinute(unsigned char x) { }

unsigned char i,j;

i=x/10; j=x;

Write_Address(1,2); Write_Data(digit1[i]); Write_Data(digit1[j]); delay(1); unsigned char i,j;

i=x/10; j=x;

Write_Address(1,4); Write_Data(digit1[i]); Write_Data(digit1[j]); delay(1);

//函数功能：显示分钟

void DisplayHour(unsigned char x) //函数功能：显示小时 {

44

桂林电子科技大学毕业设计（论文）报告用纸 第45 页

}

unsigned char i,j;

i=x/10; j=x;

Write_Address(1,0); Write_Data(digit1[i]); Write_Data(digit1[j]); delay(1);

void DisplayDay(unsigned char x) //函数功能：显示日 { }

void DisplayMonth(unsigned char x) //函数功能：显示月 { }

void DisplayYear(unsigned char x) //函数功能：显示年 {

unsigned char i,j;

45

unsigned char i,j;

i=x/10; j=x;

Write_Address(0,4); Write_Data(digit1[i]); Write_Data(digit1[j]); delay(1);

unsigned char i,j;

i=x/10; j=x;

Write_Address(0,2) ; Write_Data(digit1[i]); Write_Data(digit1[j]); delay(1);

桂林电子科技大学毕业设计（论文）报告用纸 第46 页

}

i=x/10; j=x;

Write_Address(0,0); Write_Data(digit1[i]); Write_Data(digit1[j]); delay(1);

void Display_Data(void) //函数功能：显示日期 {

unsigned char second,minute,hour,day,month,year; unsigned char ReadValue; {

ReadValue = ReadSet1302(0x81); DisplaySecond(second); ReadValue = ReadSet1302(0x83); DisplayMinute(minute);

second=((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

minute=((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F); ReadValue = ReadSet1302(0x85);

hour=((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

DisplayHour(hour); ReadValue = ReadSet1302(0x87);

day=((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F); }

DisplayDay(day); ReadValue = ReadSet1302(0x89); DisplayMonth(month); ReadValue = ReadSet1302(0x8d); DisplayYear(year);

month=((ReadValue&0x70)>>4)*10 + (ReadValue&0x0F);

year=((ReadValue&0xf0)>>4)*10 + (ReadValue&0x0F);

}

46

桂林电子科技大学毕业设计（论文）报告用纸 第47 页

LCD12864显示模块程序： #include\#include\//#include\

#define LCD_DATA P0 sbit LCD_RS = P1^0; sbit LCD_RW = P1^1; sbit LCD_EN = P1^2; sbit LCD_PSB = P2^7; sbit LCD_RST = P2^6;

unsigned char Strinr0[]={\年 月 日\

unsigned char Strinr1[]={\时 分 秒%unsigned char Strinr2[]={\℃ V: %unsigned char Strinr3[]={\路程 : \

unsigned

Number[]={ '0','1','2','3','4','5','6','7','8','9','.'};

void delay1ms() //函数功能：延时1毫秒 {

unsigned char i,j;

for(i=0;i<1;i++)

for(j=0;j<110;j++);

}

void delay(unsigned int n)//函数功能：延时n毫秒 { unsigned int i;

for(i=0;i

}

47

char

百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，免费范文网，提供经典小说教育文库基于单片机的自行车测速系统设计与实现论文 - 图文(10)在线全文阅读。