AVR128的程序——12864液晶與ds1302與ds18b20的綜合運(yùn)用

作者：時(shí)間：2016-11-22 來源：網(wǎng)絡(luò)

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此程序包含子文件

#include

#include "12864lcd.h"

#include "ds1302.h"

#include "ds18B20.h"

void mcu_init(void)

{

DDRA = 0XFF;

PORTA = 0XFF;

DDRC = 0XFF;

PORTC = 0XFF;

DDRF |= 0X0E;

PORTF |= 0X0E;

PORTF &= 0xF0;

DDRB |= 0X10;

PORTB |= 0X10;

psbset;

rsout;

rwout;

enout;

}

void main(void)

{

uchar i,j;

uint k;

mcu_init();

shi_BCD();

ds1302_init();

ds1302_write_time();

init12864lcd();

display();

display1();

display2();

display3();

while(1)

{

ds1302_read_time();

time_Process();

write_sfm(0x8D,num);

write_sfm(0x8B,fen);

write_sfm(0x89,shi);

write_sfm(0x86,ri);

write_sfm(0x84,yue);

write_sfm(0x92,zhou);

ds1820_reset();

ds1820_write_byte(0xCC);

ds1820_write_byte(0x44);

Delayms(2);

ds1820_reset();

ds1820_write_byte(0xCC);

ds1820_write_byte(0xbe);

i=ds1820_read_byte();

j=ds1820_read_byte();

k=j*256+i; //這里k的值會(huì)大于255 所以定義的時(shí)候要寫成uint型，否則會(huì)溢出。

k=k*0.0625;

write_wendu(0x96,k);

}

#ifndef __12864LCD_H__

#define __12864LCD_H__

#define uint unsigned int

#define uchar unsigned char

#define psbset DDRB |= (1<<4)

#define psbset PORTB |= (1<<4)

#define psbclr PORTB &=~(1<<4)

#define rsout DDRB |= (1<<5)

#define rsset PORTB |=(1<<5)

#define rsclr PORTB &=~(1<<5)

#define rwout DDRB |= (1<<6)

#define rwset PORTB |= (1<<6)

#define rwclr PORTB &= ~(1<<6)

#define enout DDRB |= (1<<7)

#define enset PORTB |= (1<<7)

#define enclr PORTB &= ~(1<<7)

unsigned char table1[]=" 2012年02月04日";

unsigned char table2[]="星期六溫度 0℃";

unsigned char table3[]=" 00: 00: 00";

unsigned char table4[]=" 科嵌電子創(chuàng)作";

uint num=50,fen=9,shi=8,ri=8,yue=2,zhou=3;

void Delayus(uint US)

{

uint i;

US=US*5/4;

for( i=0;i

}

void Delayms(uint MS)

{

uint i,j;

for( i=0;i

for(j=0;j<1141;j++);

}

void write_12864com(uchar com)

{

rwclr;

rsclr;

Delayus(500);

PORTA=com;

enset;

Delayus(1000);

enclr;

Delayus(1000);

}

void write_12864dat(uchar dat)

{

rwclr;

rsset;

Delayus(500);

PORTA=dat;

enset;

Delayus(1000);

enclr;

Delayus(1000);

}

void init12864lcd(void)

{

Delayms(500);

write_12864com(0x30);

Delayus(500);

write_12864com(0x30);

Delayus(500);

write_12864com(0x0f);

Delayus(500);

write_12864com(0x01);

Delayms(25);

write_12864com(0x06);

Delayus(2500);

write_12864com(0x0c);

Delayus(500);

}

void display(void)

{

uchar i;

write_12864com(0x80);

for(i=0;i<16;i++)

{

write_12864dat(table1[i]);

Delayms(10);

}

void display1(void)

{

uchar i;

write_12864com(0x90);

for(i=0;i<16;i++)

{

write_12864dat(table2[i]);

Delayms(10);

}

void display2(void)

{

uchar i;

write_12864com(0x88);

for(i=0;i<12;i++)

{

write_12864dat(table3[i]);

Delayms(10);

}

void display3(void)

{

uchar i;

write_12864com(0x98);

for(i=0;i<14;i++)

{

write_12864dat(table4[i]);

Delayms(10);

}

void write_sfm(uchar add,uchar date)

{

uchar shi,ge;

shi=date/10;

ge=date;

write_12864com(add);

write_12864dat(0x30+shi);

write_12864dat(0x30+ge);

}

void write_wendu(uchar add,uchar date)

{

uchar shi,ge;

shi=date/10;

ge=date;

write_12864com(add);

write_12864dat(0x30+shi);

write_12864dat(0x30+ge);

}

#endif

#ifndef __DS1302_H__

#define __DS1302_H__

#define uchar unsigned char

#define uint unsigned int

#define ds1302_rst PE4 //定義1302的RST接在PE4

#define ds1302_io PE3 //定義1302的IO接在PE3

#define ds1302_sclk PE2 //定義1302的時(shí)鐘接在PE2

#define set_ds1302_rst_ddr() DDRE|=1< //復(fù)位端置為輸出

#define set_ds1302_rst() PORTE|=1< //復(fù)位端置1

#define clr_ds1302_rst() PORTE&=~(1< //復(fù)位端清0

#define set_ds1302_io_ddr() DDRE|=1< //數(shù)據(jù)端置為輸出

#define set_ds1302_io() PORTE|=1< //數(shù)據(jù)端置1

#define clr_ds1302_io() PORTE&=~(1< //數(shù)據(jù)端清0

#define clr_ds1302_io_ddr() DDRE&=~(1< //數(shù)據(jù)端置為輸入

#define in_ds1302_io() PINE&(1< //數(shù)據(jù)端輸入數(shù)據(jù)

#define set_ds1302_sclk_ddr() DDRE|=1< //時(shí)鐘端置為輸出

#define set_ds1302_sclk() PORTE|=1< //時(shí)鐘端置1

#define clr_ds1302_sclk() PORTE &=~(1<//時(shí)鐘端清0

#define ds1302_sec_add 0x80 //秒數(shù)據(jù)地址

#define ds1302_min_add 0x82 //分?jǐn)?shù)據(jù)地址

#define ds1302_hr_add 0x84 //時(shí)數(shù)據(jù)地址

#define ds1302_date_add 0x86 //日數(shù)據(jù)地址

#define ds1302_month_add 0x88 //月數(shù)據(jù)地址

#define ds1302_day_add 0x8a //星期數(shù)據(jù)地址

#define ds1302_year_add 0x8c //年數(shù)據(jù)地址

#define ds1302_control_add 0x8e //控制數(shù)據(jù)地址

#define ds1302_charger_add 0x90

#define ds1302_clkburst_add 0xbe

uchar timer[7]={12,2,29,23,59,50,3};

void shi_BCD(void)

{

uchar i,k;

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

{

k=timer[i]/10;

timer[i]=timer[i];

timer[i]=timer[i]+k*16;

}

void ds1302_init(void)

{

set_ds1302_rst_ddr();

set_ds1302_sclk_ddr();

clr_ds1302_rst();

clr_ds1302_sclk();

}

void ds1302_write(uchar add,uchar data)

{

uchar i=0;

set_ds1302_io_ddr(); //配置IO為輸出

clr_ds1302_rst(); //清復(fù)位，停止所有操作

clr_ds1302_sclk(); //清時(shí)鐘，準(zhǔn)備操作

set_ds1302_rst(); //置復(fù)位，開始操作

add = add & 0xFE;

for(i=0;i<8;i++) //此循環(huán)寫入控制碼

{

if(add&0x01)

set_ds1302_io(); //當(dāng)前位為1，置數(shù)據(jù)位

else

clr_ds1302_io(); //當(dāng)前位為0，清數(shù)據(jù)位

set_ds1302_sclk(); //產(chǎn)生時(shí)鐘脈沖，寫入數(shù)據(jù)

clr_ds1302_sclk();

add>>=1; //移位，準(zhǔn)備寫入下1位

}

for(i=0;i<8;i++) //此循環(huán)寫入數(shù)據(jù)碼

{

if(data&0x01)

set_ds1302_io();

else

clr_ds1302_io();

set_ds1302_sclk();

clr_ds1302_sclk();

data>>=1;

}

clr_ds1302_rst();

clr_ds1302_io_ddr();

}

uchar ds1302_read(uchar add)

{

uchar data=0;

uchar i=0;

add+=1;

set_ds1302_io_ddr(); //端口輸出

clr_ds1302_rst(); //清復(fù)位

clr_ds1302_sclk(); //清時(shí)鐘

set_ds1302_rst(); //置復(fù)位

for(i=0;i<8;i++) //此循環(huán)寫入地址碼

{

if(add&0x01)

{set_ds1302_io();}

else

{clr_ds1302_io();}

set_ds1302_sclk();

clr_ds1302_sclk();

add>>=1;

}

clr_ds1302_io_ddr(); //端口輸入

for(i=0;i<8;i++) //此循環(huán)讀出1302的數(shù)據(jù)

{

data>>=1;

if(in_ds1302_io())

{data|=0x80;}

set_ds1302_sclk();

clr_ds1302_sclk();

}

clr_ds1302_rst();

return(data);

}

void ds1302_write_time(void)

{

ds1302_write(ds1302_control_add,0x00); //關(guān)閉寫保護(hù)

ds1302_write(ds1302_sec_add,0x80); //暫停

ds1302_write(ds1302_charger_add,0xa9); //涓流充電

ds1302_write(ds1302_year_add,timer[0]); //年

ds1302_write(ds1302_month_add,timer[1]); //月

ds1302_write(ds1302_date_add,timer[2]); //日

ds1302_write(ds1302_day_add,timer[6]); //周

ds1302_write(ds1302_hr_add,timer[3]); //時(shí)

ds1302_write(ds1302_min_add,timer[4]); //分

ds1302_write(ds1302_sec_add,timer[5]); //秒

ds1302_write(ds1302_control_add,0x80); //打開寫保護(hù)

}

void ds1302_read_time(void)

{

timer[0]=ds1302_read(ds1302_year_add); //年

timer[1]=ds1302_read(ds1302_month_add); //月

timer[2]=ds1302_read(ds1302_date_add); //日

timer[6]=ds1302_read(ds1302_day_add); //周

timer[3]=ds1302_read(ds1302_hr_add); //時(shí)

timer[4]=ds1302_read(ds1302_min_add); //分

timer[5]=ds1302_read(ds1302_sec_add); //秒

}

void time_Process(void)

{

uchar temp1,temp2,temp3,temp4,temp5,temp6;

temp1 = timer[3]/16;

shi = timer[3]+10*temp1;

temp2 = timer[4]/16;

fen = timer[4]+10*temp2;

temp3 = timer[5]/16;

num = timer[5]+10*temp3;

temp4 = timer[2]/16;

ri = timer[2]+10*temp4;

temp5 = timer[1]/16;

yue = timer[1]+10*temp5;

temp6 = timer[6]/16;

zhou = timer[6]+10*temp6;

}

#endif

#ifndef __DS18B20_H__

#define __DS18B20_H__

#define uchar unsigned char

#define uint unsigned int

#define DQ_IN DDRE &= ~(1 << PE6)

#define DQ_OUT DDRE |= (1 << PE6)

#define DQ_CLR PORTE &= ~(1 << PE6)

#define DQ_SET PORTE |= (1 << PE6)

#define DQ_R PINE & (1 << PE6)

unsigned char ds1820_reset(void)

{

unsigned char i;

DQ_OUT;

DQ_CLR;

Delayus(500);

DQ_SET;

DQ_IN;

Delayus(100);

i = DQ_R;

Delayus(500);

return i;

}

unsigned char ds1820_read_byte(void)

{

unsigned char i;

unsigned char value = 0;

for (i = 0; i < 8; i++)

{

value >>= 1;

DQ_OUT;

DQ_CLR;

Delayus(10);

DQ_SET;

DQ_IN;

if (DQ_R) value|=0x80;

Delayus(60);

}

return value;

}

void ds1820_write_byte(unsigned char value)

{

unsigned char i;

for (i = 0; i < 8; i++)

{

DQ_OUT;

DQ_CLR;

Delayus(10);

if (value & 0x01) DQ_SET;

Delayus(100);

DQ_SET;

value >>= 1;

}

#endif

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