/* Main.c file generated by New Project wizard
*
* Created: 周一 12月 5 2016
* Processor: 80C51
* Compiler: Keil for 8051
*/
#include <reg51.h>
#include <stdio.h>
unsigned char num[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char ctr[]={0x7f,0xf7,0xfe,0xfd};
unsigned char table[4]={0,0,0,0};
unsigned char v;
unsigned int scdEW,scdSN;
unsigned int cntSN,cntEW;
unsigned char cntP3_4,cntP3_5,cntP3_6;
unsigned int cnt_num;
int greenEW = 6,yellowEW = 4,greenSN = 8,yellowSN = 4;
int EWSN;
unsigned char a;temp;
sbit IO=P2^0;
sbit SCLK=P2^1;
sbit RST=P2^2;
sbit ACC0=ACC^0;
sbit ACC7=ACC^7;
sbit YY=P3^4;
sbit aa=P1^3;
sbit ab=P1^4;
sbit ac=P1^5;
sbit bb=P1^0;
sbit bc=P1^1;
sbit bd=P1^2;
void delay_ms(unsigned int n)
{
int i;
while(n--)
{
i = 70;
while(i--);
}
}
void display(void)
{
delay_ms(2);
P3 = 0xff;
P3 = ctr[v];
P0 = num[table[v]];
v++;
if(v == 4)
{
v = 0;
}
}
void write_byte(unsigned char dat)
{
ACC=dat;
RST=1;
for(a=8;a>0;a--)
{
IO=ACC0;
SCLK=0;
SCLK=1;
ACC=ACC>>1;
}
}
unsigned char read_byte()
{
RST=1;
for(a=8;a>0;a--)
{
ACC7=IO;
SCLK=1;
SCLK=0;
ACC=ACC>>1;
}
return(ACC);
}
void write_1302(unsigned char add,unsigned char dat)
{
RST=0;
SCLK=0;
RST=1;
write_byte(add);
write_byte(dat);
SCLK=1;
RST=0;
}
unsigned char read_1302(unsigned char add)
{
unsigned char temp;
RST=0;
SCLK=0;
RST=1;
write_byte(add);
temp=read_byte();
SCLK=1;
return(temp);
}
unsigned char BCD_Decimal(unsigned char bcd)
{
unsigned char Decimal;
Decimal=bcd>>4;
return(Decimal=Decimal*10+(bcd&=0x0F));
}
void ds1302_int()
{
RST=0;
SCLK=0;
write_1302(0x8e, 0x00);
write_1302(0x8e, 0x80);
}
void main(void)
{
unsigned char h;
unsigned char j=0;
TMOD=0x02;
TH0=0x06;
TL0=0x06;
EA=1;
ET0=1;
TR0=1;
EX0=1;
P1=0xf3;
YY=1;
scdEW=greenEW;
scdSN=greenEW;
table[0]=scdEW/10;
table[1]=scdEW%10;
table[2]=scdSN/10;
table[3]=scdSN%10;
ds1302_int();
while(1)
{
h=BCD_Decimal(read_1302(0x85));
if((h>6&&h<8)||(h>11&&h<13)||(h>16&&h<19))
{
if(j!=1)
{
TR0=0;
greenEW=15;
greenSN=20;
scdEW=greenEW;
scdSN=greenEW;
cntEW=7;
cntSN=7;
P1=0xf3;
j=1;
TR0=1;
}
}
else j=0;
if(P3^4==0)
{
TR0=0;
cntP3_4++;
while(!P3^4);
if(cntP3_4==1)
{
scdEW=greenEW;
scdSN=greenEW;
EWSN=greenEW;
cntEW=7;
P1=0xf7;
}
else if(cntP3_4==2)
{
scdEW=greenSN;
scdSN=greenSN;
EWSN=greenSN;
cntSN=3;
P1=0xfe;
}
else
{
cntP3_4=0;
TR0=1;
cntEW = 7;
cntSN = 7;
cnt_num = 0;
cntP3_4 = 0;
}
table[0] = scdEW/10;
table[1] = scdEW%10;
table[2] = scdSN/10;
table[3] = scdSN%10;
display();
}
if(P3^5==0)
{
EWSN++;
while(!P3^5);
if(EWSN==100)
{
EWSN=0;
}
scdEW = EWSN;
scdSN = EWSN;
if(cntP3_4==1)
greenEW=EWSN;
else if(cntP3_4==2)
greenSN=EWSN;
table[0]=scdEW/10;
table[1]=scdEW%10;
table[2] = scdSN/10;
table[3] = scdSN%10;
}
display();
if(P3^6==0)
{
EWSN--;
while(!P3^6);
if(EWSN==0)
{
EWSN=99;
}
scdEW=EWSN;
scdSN=EWSN;
if(cntP3_4==1)
greenEW=EWSN;
else if(cntP3_4==2)
greenSN=EWSN;
table[0]=scdEW/10;
table[1]=scdEW%10;
table[2] = scdSN/10;
table[3]=scdSN%10;
}
display();
}
}
void t0(void) interrupt 1
{
cnt_num++;
if(cnt_num == 4000)
{
cnt_num = 0;
if(scdEW-- == 0)
{
cntEW++;
}
if(scdSN-- == 0)
{
cntSN++;
}
}
switch(cntEW)
{
case 1:
scdEW = yellowEW;
aa=1;
ab=0;
ac=1;
cntEW++;
break;
case 3:
scdEW = greenSN;
aa=1;
ab=1;
ac=0;
cntEW++;
break;
case 5:
scdEW = yellowEW;
aa=1;
ab=0;
ac=1;
cntEW++;
break;
case 7:
scdEW = greenEW;
aa=0;
ab=1;
ac=1;
cntEW=0;
break;
}
switch(cntSN)
{
case 1:
scdSN = yellowSN;
bb=1;
bc=0;
bd=1;
cntSN++;
break;
case 3:
scdSN = greenSN;
bb=0;
bc=1;
bd=1;
cntSN++;
break;
case 5:
scdSN = yellowSN;
bb=1;
bc=0;
bd=1;
cntSN++;
break;
case 7:
scdSN = greenEW;
bb=1;
bc=1;
bd=0;
cntSN=0;
break;
}
table[0] = scdEW/10;
table[1] = scdEW%10;
table[2] = scdSN/10;
table[3] = scdSN%10;
}
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