lesson4_c_源码

#include<iom16v.h> unsigned char num1[10]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F};//共阴极 void io_init(void) { DDRC=0XFF; //设置为输出 PORTC=0X00; //初始值为不显示 DDRD=0XFF; //设置为输出 PORTD=0X00; //初始值为不显示 DDRA=0X00; //设置为输入 PORTA=0XFF; } void delay(unsigned int i) { unsigned int a,b; for(a=0;a<i;a++) for(b=0;b;b++); } void main(void) { signed char i,j=0; io_init(); while(1) { if((PINA&(1<<PA0))==0) { for(i=0;i<=9;i++) { PORTC=num1[i]; for(j=0;j<=9;j++) { PORTD=num1[j]; delay(60000); } } } if((PINA&(1<<PA1))==0) { for(i=9;i>=0;i--) { PORTC=num1[i]; for(j=9;j>=0;j--) { PORTD=num1[j]; delay(60000); } } } if((PINA&(1<<PA2))==0) { for(i=0;i<=9;i++) { PORTC=num1[i]; for(j=1;j<=9;j=j+2) { PORTD=num1[j]; delay(60000); } } } if((PINA&(1<<PA3))==0) { for(i=0;i<=9;i++) { PORTC=num1[i]; for(j=0;j<=9;j=j+2) { PORTD=num1[j]; delay(60000); } } } if((PINA&(1<<PA4))==0) { for(i=1;i<=9;i++) { for(j=1;j<4;j++) { PORTC=num1[i]; PORTD=num1[i]; delay(30000); PORTC=0x00; PORTD=0x00; delay(30000); } } } if((PINA&(1<<PA5))==0) { for(i=0;i<=9;i=i+2) { PORTC=num1[i]; PORTD=num1[i+1]; delay(60000); } } } }