}
num++; else
Speed_dat=0; if(num1<100) num1++;
void ex_0() interrupt 0 //外部中断0 {
Speed_dat=(500/num);
num=0; }
#define uchar unsigned char
#define uint unsigned int sbit EN=P2^7; sbit RS=P2^5; sbit RW=P2^6; sbit BEEP=P2^0; sbit LED1=P1^2; sbit LED2=P1^3;
uchar LCD1602_Table[]=\//LCD1602显示标尺 //0123456789abcdef uchar code DIS_TAB1[]={\ uchar code DIS_TAB2[]={\ uint sum_dat=0; uchar Cur_Speed=0; extern uint Speed_dat; extern uint Total_Dis;
extern void delayms(uint xms);
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void WRITE_LCD1602_DAT(uchar date) { }
void WRITE_LCD1602_COM(uchar date) { }
void init_1602() {
unsigned char i;
RW=0;
WRITE_LCD1602_COM(0x38); WRITE_LCD1602_COM(0x0c); WRITE_LCD1602_COM(0x06); WRITE_LCD1602_COM(0x01); WRITE_LCD1602_COM(0x80); for(i=0;i<16;i++)
WRITE_LCD1602_DAT(DIS_TAB1[i]);
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EN=0; RS=1; P0=date; EN=0; delayms(5); EN=1;
EN=0; RS=0; P0=date; EN=0; delayms(5); EN=1;
}
WRITE_LCD1602_COM(0x80+0x40); for(i=0;i<16;i++)
WRITE_LCD1602_DAT(DIS_TAB2[i]);
void display() {
static uint dat=0; static uchar i=0; if(i<6) { } else { }
Cur_Speed=dat;
WRITE_LCD1602_COM(0x80+7); if(dat/100>0)
WRITE_LCD1602_DAT(LCD1602_Table[dat00/100]); else
WRITE_LCD1602_DAT(' '); if(dat/10>0)
WRITE_LCD1602_DAT(LCD1602_Table[dat0/10]); else
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i++;
sum_dat+=Speed_dat;
i=0;
dat=sum_dat/10; sum_dat=0;
WRITE_LCD1602_DAT(' ');
WRITE_LCD1602_DAT(LCD1602_Table[dat]);
WRITE_LCD1602_COM(0x80+9+0x40); if(Beep_speed/100>0)
WRITE_LCD1602_DAT(LCD1602_Table[Beep_speed00/100]); else
WRITE_LCD1602_DAT(' '); if(Beep_speed/10>0)
WRITE_LCD1602_DAT(LCD1602_Table[Beep_speed0/10]); else
WRITE_LCD1602_DAT(' ');
WRITE_LCD1602_DAT(LCD1602_Table[Beep_speed]);
if(dat>Beep_speed) { } else { }
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if(i<3) BEEP=0; else BEEP=1; LED1=0; LED2=1;
BEEP=1; LED1=1; LED2=0;
}
void dis_Mileage() { }
#include
#define 操作
//#define AT24C02_MAX_ADDR 0xff //unsigned
// AT24C02最大地址
code
写
入
到
AT24C02_OP_WRITE 0xa0
// AT24C02器件地址以及写入
AT24C02_OP_READ 0xa1
// AT24C02器件地址以及读取
WRITE_LCD1602_COM(0x80+0x40+2); if(Total_Dis/1000>0)
WRITE_LCD1602_DAT(LCD1602_Table[Total_Dis000/1000]); else
WRITE_LCD1602_DAT(' '); if(Total_Dis/100>0)
WRITE_LCD1602_DAT(LCD1602_Table[Total_Dis00/100]); else
WRITE_LCD1602_DAT(' ');
WRITE_LCD1602_DAT(LCD1602_Table[Total_Dis0/10]); WRITE_LCD1602_DAT('.');
WRITE_LCD1602_DAT(LCD1602_Table[Total_Dis]);
char
dis_code[]={0x7e,0xbd,0xdb,0x7e,0xdb,0xbd,0x7e,0xff};// AT24C02的数据串
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