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標題: protues仿真AT89c51+LM16(lcd1602)顯示 [打印本頁]

作者: 無限小白    時間: 2020-6-2 18:37
標題: protues仿真AT89c51+LM16(lcd1602)顯示
keil代碼
#include"reg51.h"
sbit RS=P3^0;
sbit RW=P3^1;
sbit E=P3^2;
unsigned char str[]={"1.22"};
void delay(unsigned int t)
{
unsigned int i=0,j=0;
for(i=0;i<t;i++)
{
for(j=0;j<120;j++);
}
}

void writedat(unsigned char dat)
{
RS=1;
RW=0;
E=0;
P2=dat;
delay(5);
E=1;
E=0;
}

void writecom(unsigned char com)
{
RS=0;
RW=0;
E=0;
P2=com;
delay(5);
E=1;
E=0;
}

void initlcd()
{
writecom(0x38);
writecom(0x0c);
writecom(0x06);
writecom(0x01);
}

void display()
{
unsigned int i=0;
writecom(0x80);
delay(5);
while(str[i]!='\0')
{
writedat(str[i]);
delay(5);
i++;
}
}

void main()
{
initlcd();
while(1)
{
display();
}
}

protues原理圖見附件



`7TB[38TLM)YQ$0PGA7CG5S.png (45.77 KB, 下載次數: 86)

`7TB[38TLM)YQ$0PGA7CG5S.png

lcd實驗.zip

52.53 KB, 下載次數: 18, 下載積分: 黑幣 -5

protues+keil






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