九齐单片机NY8B062E 5PIN_188数码管驱动代码

ID:15745 · 发表于 2023-9-10 12:01

分享一个基于九齐单片机NY8B062E做的数码管驱动，亲测显示OK，附源程序

单片机源程序如下:

// =========================================================================
// Created by NYIDE.
// User: ZHANG
// Date: 2021/9/22
// Description:
// =========================================================================
#include <at8.h>
#include "at8_constant.h"
__sbit PIN1 = PORTA:7;
__sbit PIN2 = PORTA:6;
__sbit PIN3 = PORTA:4;
__sbit PIN4 = PORTA:3;
__sbit PIN5 = PORTA:2;
#define uint8_t (unsigned char) // 无符号8位整型变量
#define uint16_t (unsigned short) // 无符号16位整型变量
unsigned char SEG;
unsigned char Data[3]={ 0,0,0};
unsigned char ch[11]={ 0X3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0};//显示数字0~9
void Display(unsigned char data0,unsigned char data1,unsigned char data2);
void LED_Scan(void);
void delay(int);
void isr(void) __interrupt(0)//中断服务函数
{
if(INTFbits.T0IF)//1.02ms
{
LED_Scan();
INTF= (unsigned char)~(C_INT_TMR0); // Clear T0IF flag bit
}
}
void main(void)
{
IOSTA = 0;
IOSTB = 0; //set PortB as output mode
PORTA=0x00; //LED = off
PORTB=0x00; //LED = off
static unsigned int a = 0;
while(1)
{
a++;
switch(a/500)
{
case 0:
Display(1,1,9);
LED_Scan();
break;
case 1:
Display(1,3,9);
LED_Scan();
break;
case 2:
Display(1,5,9);
LED_Scan();
break;
case 3:
Display(1,7,9);
LED_Scan();
break;
case 4:
Display(1,9,9);
LED_Scan();
break;
default:
Display(1,8,8);
LED_Scan();
break;
}
if(a>3000)
a=0;
}
}
//数码管对应位置显示数字
void Display(unsigned char data0,unsigned char data1,unsigned char data2)
{
Data[0]=ch[data0];
Data[1]=ch[data1];
Data[2]=ch[data2];
}
//16颗LED逐一扫描
//当用到其中任意两个IO口的时候，需要将剩余三个IO口设置为输入模式，防止互相干扰
void LED_Scan(void)
{
SEG++;if(SEG>16)SEG=1;
PIN1=PIN2=PIN3=PIN4=PIN5=0;
if(SEG == 1){IOSTA=0xE7;if(Data[0]&0x02)PIN3=1;else PIN3=0;PIN4=0;}//B1
if(SEG == 2){IOSTA=0xB7;if(Data[0]&0x04)PIN2=1;else PIN2=0;PIN4=0;}//C1
if(SEG == 3){IOSTA=0xAF;if(Data[1]&0x01)PIN2=1;else PIN2=0;PIN3=0;}//A2
if(SEG == 4){IOSTA=0xAF;if(Data[1]&0x02)PIN3=1;else PIN3=0;PIN2=0;}//B2
if(SEG == 5){IOSTA=0xE7;if(Data[1]&0x04)PIN4=1;else PIN4=0;PIN3=0;}//C2
if(SEG == 6){IOSTA=0xB7;if(Data[1]&0x08)PIN4=1;else PIN4=0;PIN2=0;}//D2
if(SEG == 7){IOSTA=0xBB;if(Data[1]&0x10)PIN5=1;else PIN5=0;PIN2=0;}//E2
if(SEG == 8){IOSTA=0xEB;if(Data[1]&0x20)PIN5=1;else PIN5=0;PIN3=0;}//F2
if(SEG == 9){IOSTA=0xF3;if(Data[1]&0x40)PIN5=1;else PIN5=0;PIN4=0;}//G2
if(SEG == 10){IOSTA=0x3F;if(Data[2]&0x01)PIN1=1;else PIN1=0;PIN2=0;}//A3
if(SEG == 11){IOSTA=0x3F;if(Data[2]&0x02)PIN2=1;else PIN2=0;PIN1=0;}//B3
if(SEG == 12){IOSTA=0x6F;if(Data[2]&0x04)PIN1=1;else PIN1=0;PIN3=0;}//C3
if(SEG == 13){IOSTA=0x6F;if(Data[2]&0x08)PIN3=1;else PIN3=0;PIN1=0;}//D3
if(SEG == 14){IOSTA=0x77;if(Data[2]&0x10)PIN1=1;else PIN1=0;PIN4=0;}//E3
if(SEG == 15){IOSTA=0x77;if(Data[2]&0x20)PIN4=1;else PIN4=0;PIN1=0;}//F3
if(SEG == 16){IOSTA=0x7B;if(Data[2]&0x40)PIN5=1;else PIN5=0;PIN1=0;}//G3
}