单片机 数码管0~F显示

2019-04-15 19:22发布

站内文章 / PIC单片机
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#include #define GPIO_DIG P0 //段选 #define GPIO_PLACE P1 //位选 #define uint unsigned int unsigned char code DIG_PLACE[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; //位选 unsigned char code DIG_CODE[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71}; //0,1,2,3,4,5,6,7,8,9,A,b,C,d,E,F unsigned char DisplayData[16]; void delay(uint z) //delay 1ms { uint x,y; for(x=z;x>0;x--) { for(y=124;y>0;y--); } } void DigDisplay() { unsigned char i; unsigned int j; for(i=0; i<16; i++) { GPIO_PLACE = DIG_PLACE[i]; GPIO_DIG = DisplayData[i]; delay(500); j = 10; //扫描时间 while(j--); GPIO_DIG = 0x00; //清残影 } } void main(void) { unsigned char i; for(i=0; i<16; i++) { DisplayData[i] = DIG_CODE[i]; } while(1) { DigDisplay(); } }