程序1 - 副本 - 副本

更新时间：2023-03-08 09:59:22 阅读量：综合文库文档下载

说明：文章内容仅供预览，部分内容可能不全。下载后的文档，内容与下面显示的完全一致。下载之前请确认下面内容是否您想要的，是否完整无缺。

程序1+2+3+5+6+7+9+..100推荐度：
相关推荐

#include #inclu de #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

#include #include #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//8563

#define rd_device_add 0xa3 #define wr_device_add 0xa2

#define START 0x08 #define RE_START 0x10

#include #include #include

de #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

#include #include #include

#define uint unsigned int #define uchar unsigned char

//定义器件读地址 //定义器件写地址

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//8563

#define rd_device_add 0xa3 #define wr_device_add 0xa2

#define START 0x08 #define RE_START 0x10

#include #include #include

de #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//定义器件读地址//定义器件写地址

#define ClrE PORTD&=~(1<

#include #include #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//8563

#define rd_device_add 0xa3 #define wr_device_add 0xa2

#define START 0x08 #define RE_START 0x10

#include #include #include

de #include

//定义器件读地址//定义器件写地址

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

#include #include #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//8563

#define rd_device_add 0xa3

//定义器件读地址

#define wr_device_add 0xa2

#define START 0x08 #define RE_START 0x10

#include #include #include

de #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

#include #include #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

//定义器件写地址

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//8563

#define rd_device_add 0xa3 #define wr_device_add 0xa2

#define START 0x08 #define RE_START 0x10

#include #include #include

de #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//定义器件读地址//定义器件写地址

#include #include #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//8563

#define rd_device_add 0xa3 #define wr_device_add 0xa2

#define START 0x08 #define RE_START 0x10

#include #include #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

//定义器件读地址//定义器件写地址

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//8563

#define rd_device_add 0xa3 #define wr_device_add 0xa2

#define START 0x08 #define RE_START 0x10

#include #include #include

#define uint unsigned int #define uchar unsigned char

//1602

#define SetRS PORTD|=(1<

#define SetRW PORTD|=(1<

#define SetE PORTD|=(1<

//8563

#define rd_device_add 0xa3

//定义器件读地址//定义器件写地址//定义器件读地址

#define wr_device_add

#define START #define RE_START

//8563

#define rd_device_add #define wr_device_add

#define START #define RE_START

0xa2 0x08 0x10

//定义器件写地址

0xa3 0xa2 0x08 0x10

//定义器件读地址 //定义器件写地址

#define MT_SLA_ACK 0x18 //主机发送模式标志 #define MT_SLA_NOACK 0x20 #define MT_DATA_ACK 0x28

#define MT_DATA_NOACK 0x30

#define MR_SLA_ACK 0x40 //主机接受模式标志 #define MR_SLA_NOACK 0x48 #define MR_DATA_ACK 0x50 #define MR_DATA_NOACK 0x58

// {秒，分，时，日，星期，月，年} uchar read_shijian[7]={0x02,0x21,0x16,0x24,0x00,0x12,0x27}; uchar write_shijian[7]={0x50,0x59,0x23,0x31,0x07,0x12,0x99};

uchar s[4]; //把数字转换成字符串

uchar ReadStatusLCM(void);//读状态

void WriteDataLCM(uchar WDLCM);//写数据

void WriteCommandLCM(uchar WCLCM,uchar c);//写指令 //uchar ReadDataLCM(void);//读数据 void LCMInit(void);//初始化

void DisplayOneChar(uchar X,uchar Y,uchar DData);//在指定位置显示单个字符 void DisplayListChar(uchar X,uchar Y,uchar *DData);//在指定位置显示字符串 void Delay5ms(void);//延时5ms void Delay400ms(void); //延时

//读状态，忙则循环，不忙则返回Data uchar ReadStatusLCM(void) {

uchar Data;

DDRA=0xff; //设置指令 PORTA=0xff;

DDRD=0xff;//1,输出，置数 0，输入，读数 ClrRS; SetRW;

SetE; //执行指令 SetE;

DDRA=0x00; //读忙标志，忙则循环 Data=PINA; while(Data&0x80) Data=PINA; return(Data); }

//写指令

void WriteCommandLCM(uchar WCLCM,uchar c) {

if(c==1) //标志为0不忙检测，标志为1检测 ReadStatusLCM();

DDRA=0xff; //设置指令 PORTA=WCLCM;

DDRD=0xff;//1,输出，置数 0，输入，读数 ClrRS; ClrRW;

SetE; SetE; ClrE; }

//读数据

/*uchar ReadDataLCM(void) {

ReadStatusLCM(); //忙检测

ClrRS; //指令设置 ClrRW;

ClrE; //执行指令 ClrE; SetE;

return(Data); }*/

//初始化

void LCMInit(void) {

DDRA=0xff; PORTA=0x00;

WriteCommandLCM(0x38,0);//三次显示设置，不需忙检 Delay5ms(); //四位总线，双行显示，5*7点阵 WriteCommandLCM(0x38,0); Delay5ms();

WriteCommandLCM(0x38,0); Delay5ms();

WriteCommandLCM(0x38,1);//显示模式设置，以后都须忙检 WriteCommandLCM(0x08,1);//关闭显示 WriteCommandLCM(0x01,1);//清屏

WriteCommandLCM(0x06,1);//光标右移，字符不移 WriteCommandLCM(0x0c,1);//显示开，有光标，有闪烁 }

//写数据

void WriteDataLCM(uchar WDLCM) {

ReadStatusLCM(); //忙检测

DDRA=0xff; //设置指令 PORTA=WDLCM;

DDRD=0xff;//1,输出，置数 0，输入，读数 SetRS; ClrRW;

SetE; SetE; ClrE; }

//按指定位置显示一个字符

void DisplayOneChar(uchar X,uchar Y,uchar DData) {

Y&=0x01;//Y不能>1 X&=0x0f;//X不能>15 if(Y)

X+=0x40;//显示第二行时地址码+0x40

X+=0x80;//计算指令码

WriteCommandLCM(X,0);//发送地址码不需忙检 WriteDataLCM(DData); }

//在指定位置显示字符串

void DisplayListChar(uchar X,uchar Y,uchar *DData) {

uchar pose=0;

Y&=0x01;//Y不能>1 X&=0x0f;//X不能>15

while(DData[pose]>0x20) {

DisplayOneChar(X,Y,DData[pose]);//显示单个字符 pose++;

X++; if(X>=0xF) {X=0x00; Y=0x01; } } }

void Delay1ms(void) {

uint time,i; time=5552; while(time--); }

//延时5ms,已验证 void Delay5ms(void) {

uint time,i; for(i=0;i<5;i++) {time=5552; while(time--); } }

//延时400ms

void Delay400ms(void) {

uchar j;

for(j=0;j<8;j++)//延时400ms {

Delay5ms(); } }

//////////TWI总线操作函数 ////////////

void Start(void) //TWSTA置位，产生START状态 {TWCR=(1<

void Wait(void) //应用程序等待硬件操作完成

{while((TWCR&0x80)!=0x80);} //一直循环，直至硬件已置位TWINT

unsigned char TestAck(void) //读并返回状态寄存器TWSR的状态位，屏蔽低三位 {unsigned char twsr; twsr=TWSR&0xf8; return twsr; }

void Write8Bit(unsigned char data)//应用程序写数据到数据寄存器TWDR，清TWINT启动发送 {TWDR=data;

TWCR=(1<

void Stop(void) //TWSTO置位，产生STOP状态 {TWCR=(1<

void Ack(void) //使能EA，如果接受到数据发送ACK脉冲 {TWCR=(1<

void Twi(void) //使能TWI操作激活TWI接口 {TWCR=(1<

// 向I2C总线写数据，正确写入数据返回0，否则分别返回2，3，4 unsigned char i2c_Write(unsigned char command,unsigned char RomAddress) { Start(); //发总线起始命令 Wait(); //等待应答 if(TestAck()!=START) return 1; //测试应答 Write8Bit(wr_device_add); //装入写器件地址 Wait(); //等待应答 if(TestAck()!=MT_SLA_ACK) return 2; //测试应答 Write8Bit(RomAddress); //装入写器件内的寄存器地址 Wait(); //等待应答 if(TestAck()!=MT_DATA_ACK) return 3; //测试应答 Write8Bit(command); //写命令 Wait(); //等待应答 if(TestAck()!=MT_DATA_ACK) return 4; //测试应答

//停止总线 //延时

Stop(); Delay5ms(); Delay5ms(); return 0; }

//向I2C总线连续写入7个数据

unsigned char i2c_WriteData(unsigned char RomAddress) {

unsigned char i;

Start(); Wait(); if(TestAck()!=START) return 1;

Write8Bit(wr_device_add); Wait(); if(TestAck()!=MT_SLA_ACK) return 2;

//发总线起始命令 //等待应答 //测试应答

//写器件地址 //等待应答 //测试应答

//写器件内的寄存器首地址 //等待应答 //测试应答

Write8Bit(RomAddress); Wait(); if(TestAck()!=MT_DATA_ACK)return 3; for(i=0;i<7;i++) { Write8Bit(write_shijian[i]);

//循环7次 //写数据

Wait(); //等待应答 if(TestAck()!=MT_DATA_ACK)return 4; //测试应答 }

//停止总线 //延时 //延时

Stop();

Delay5ms(); Delay5ms(); return 0; }

//连续读取I2C总线

unsigned char i2c_Read(unsigned char RomAddress) {

unsigned char i; 冲 }

Start(); Wait(); if(TestAck()!=START) return 1;

Write8Bit(rd_device_add); Wait(); if(TestAck()!=MR_SLA_ACK) return 5;

for(i=0;i<7;i++) {

Ack();

//发总线起始命令

//等待应答 //测试应答 //装入读器件地址 //等待应答 //测试应答

//使能EA，如果接受到数据发送ACK脉

Wait(); if(TestAck()!=MR_DATA_ACK)return 6; read_shijian[i]=TWDR; }

Stop(); return 0;

//等待应答

//测试应答

//将读取的数据放入数组中

//停止总线

//INT0中断函数，刷新显示时间

#pragma interrupt_handler Int0_isr:3 //中断向量2是INT0，3是INT1 void Int0_isr(void) {

uchar result,result1,result2,result3,result4,result5;

i2c_Write(0x19,0x01); //向8563的01H控制状态寄存器2写入0x19

i2c_Read(0x02); read_shijian[] result1=read_shijian[0]&0x7f; sprintf(s,\转换成字符串秒 if(result1<0x10) {DisplayOneChar(6,1,'0'); DisplayListChar(7,1,s);

//读取8563的02H-08H装入

}

else DisplayListChar(6,1,s); //刷新时间

result2=read_shijian[1]&0x7f;

sprintf(s,\转换成字符串分 if(result2<0x10) { DisplayOneChar(3,1,'0'); DisplayListChar(4,1,s); } else DisplayListChar(3,1,s); //刷新时间 result3=read_shijian[2]&0x3f; sprintf(s,\转换成字符串小时 if(result3<0x10) { DisplayOneChar(0,1,'0'); DisplayListChar(1,1,s); } else DisplayListChar(0,1,s); //刷新时间

result4=read_shijian[3]&0x3f; sprintf(s,\转换成字符串日 if(result4<0x10) {

DisplayOneChar(8,0,'0'); DisplayListChar(9,0,s); }

else DisplayListChar(8,0,s); //刷新时间 Delay1ms();

sprintf(s,\转换成字符串 DisplayListChar(11,0,s); //刷新时间

result5=read_shijian[5]&0x1f;

sprintf(s,\转换成字符串月 if(result5<0x10) {

DisplayOneChar(5,0,'0');

星期

DisplayListChar(6,0,s); } else DisplayListChar(5,0,s); //刷新时间 result=read_shijian[6]; sprintf(s,\ //转换成字符串年 if(result<0x10) { DisplayOneChar(2,0,'0'); DisplayListChar(3,0,s); }

else DisplayListChar(2,0,s); //刷新时间 if((result5==0x01)&&(result4==0x01)&&(result3==0x00)&&(result2==0x00)&&(result1==0x00)) {sprintf(s,\ DisplayListChar(0,0,s); } }

//初始化TWI总线 void Twi_Init(void) {

TWBR=32; //设置波特率 TWSR=0; //复位TWI总线 i2c_Write(0,0); //设置时钟状态 i2c_Write(0x81,0x0d); i2c_Write(0x82,0x0e); i2c_Write(1,0x0f); i2c_Write(0x81,0x01); i2c_WriteData(0x02); i2c_Write(0x19,0x01); //向8563的01H控制状态寄存器2写入0x19 i2c_Read(0x02); //读取8563的02H-08H装入read_shijian[] }

void main(void) {

uint k=19;//年 DDRD=0xfb; DDRC=0xff;

CLI(); Delay400ms();//延时，启动 //MCUCR=(1<

DDRB=0xff; //启动后灯亮 PORTB&=~(1<

Twi_Init(); LCMInit(); //初始化

PORTB|=(1<

Delay5ms(); //年 sprintf(s,\

DisplayListChar(0,0,s);

Delay5ms();

DisplayOneChar(4,0,'.'); Delay5ms();

DisplayOneChar(7,0,'.'); Delay5ms();

DisplayOneChar(10,0,'.'); Delay5ms();