#include"15.h"
#define uint unsigned int
#define uchar unsigned char
sbit lcden=P2^7; //1602引腳
sbit lcdrw=P2^6;
sbit lcdrs=P2^5;
sbit s1=P2^0; //按鍵
sbit s2=P2^1;
sbit s3=P2^2;
uchar zhankongbi=0x80;
uchar code table1[]="zhankongbi";
void delay(uint z);
void pwminit() //占空比初始化
{
CMOD=0x02;
CL=0x00;
CH=0x00;
PCA_PWM0=0x00;
CCAPM0=0x42;
CCAP0H=0xff;
CCAP0L=0xff;
CR=1;
}
void pwmshe(uchar t)//這是占空比調節(jié)函數
{
CCAP0H=t;
CCAP0L=t;
}
void write_com(uchar com)
{
lcdrs=0;
P0=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar dota)
{
lcdrs=1;
P0=dota;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void initlcd()
{
lcden=0;
write_com(0x38);
delay(5);
write_com(0x0c); delay(5);
write_com(0x06);delay(5);
write_com(0x01);delay(5);
}
void display()
{
uchar num=0;
initlcd();
write_com(0x80);
for(num=0;num<11;num++)
{
write_data(table1[num]);
delay(5);
}
}
void display1()
{
uint a=0,b=0,c=0;
initlcd();
zhankongbi=zhankongbi/256*100;
a=zhankongbi/100;
b=zhankongbi%100/10;
c=zhankongbi%10;
write_com(0x80+0x40); delay(5);
write_data('a');
write_com(0x80+0x41);delay(5);
write_data('b');
write_com(0x80+0x42);delay(5);
write_data('c');
}
void keyscan()
{
if(s1==0)
{ delay(5);
if(s1==0)
{
while(!s1);
zhankongbi=zhankongbi-0x0a;
if(zhankongbi<10)
zhankongbi=0x0a;
pwmshe(zhankongbi);
}
}
if(s2==0)
{ delay(5);
if(s2==0)
{
while(!s2);
zhankongbi=zhankongbi=0x0a;
if(zhankongbi>256)
zhankongbi=0x80;
pwmshe(zhankongbi);
}
}
if(s3==0)
{
delay(5);
if(s3==0)
{
while(!s3);
if(zhankongbi<20)
zhankongbi++;
zhankongbi--;
pwmshe(zhankongbi);
}
}
}
void main()
{
P0M0 = 0x00;
P0M1 = 0x00;
P1M0 = 0x00;
P1M1 = 0x00;
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
P6M0 = 0x00;
P6M1 = 0x00;
P7M0 = 0x00;
P7M1 = 0x00;
initlcd();
pwminit();
display();
display1();
while(1)
{
keyscan();
}
}
void delay(uint z)
{
uint i,j;
for(i=z;i>=0;i--)
for(j=110;j>=0;j--);
}
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