这单片机程序数码管显示不完全

ID:902125 · 发表于 2021-4-7 21:55

#include "reg52.h"
typedef unsigned char u8;
typedef unsigned int u16;

sbit LSA=P2^2;
sbit LSB=P2^3;
sbit LSC=P2^4;

#define  GPIO_KEY P1
#define  GPIO_DIG P0
#define  NEGATIVE_SIGH_SUB=10
u8 KeyValue;
u8 code smgduan[]={1,2,3,0,
                     4,5,6,0,
                     7,8,9,0,
                     0,0,0,0};
u8 code smgduan1[]={1,2,3,0x2f-0x30,
                     4,5,6,0x2a-0x30,
                     7,8,9,0x2d-0x30,
                     0x01-0x30,0,0x3d-0x30,0x2b-0x30};

void delay(u16 i)
{
   while(i--);
}
void KeyDown()
{
u8 a=0;
GPIO_KEY=0x0f;
            if( GPIO_KEY!=0x0f)
            {
                  delay(1000);
                              if( GPIO_KEY!=0x0f)
                              {
                                 GPIO_KEY=0x0f;
                                             switch(GPIO_KEY)
                                             {
                                             case(0x07):  KeyValue=0;break;
                                             case(0x0b):  KeyValue=1;break;
                                             case(0x0d):  KeyValue=2;break;
                                             case(0x0e):  KeyValue=3;break;
                                             }
                                             GPIO_KEY=0xf0;
                                             switch(GPIO_KEY)
                                             {
                                             case(0x70):  KeyValue=KeyValue;break;
                                             case(0xb0):  KeyValue=KeyValue+4;break;
                                             case(0xd0):  KeyValue=KeyValue+8;break;
                                             case(0xe0):  KeyValue=KeyValue+12;break;
                                             }
                                             while((a<50)&&(       GPIO_KEY!=0xf0))
                                             {
                                                   delay(1000);
                                                               a++;
                                             }
                              }
            }
}

void main()
{
LSA=0;
            LSB=0;
            LSC=0;
            while(1)
            {
                  KeyDown();
                              GPIO_DIG=smgduan[KeyValue];
            }
}

ID:213173 · 发表于 2021-4-8 06:37

//顺序共阴极数码管段码表，段码a-h顺序接PX0-PX7
unsigned char code table[]={//共阴数码管段码"0~f-."
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71,0x40,0x80};
//反序共阴极数码管段码表，段码a-h顺序接PX7-PX0
unsigned char code Table[]={//共阴数码管段码"0~f-."
0xFC,0x60,0xDA,0xF2,
0x66,0xB6,0xBE,0xE0,
0xFE,0xF6,0xEE,0x3E,
0x9C,0x7A,0x9E,0x8E,0x02,0x01};
//顺序共阳极数码管段码表，段码a-h顺序接PX0-PX7
unsigned char code table[]={//共阳数码管段码"0~f-."
0xc0,0xf9,0xa4,0xb0,
0x99,0x92,0x82,0xf8,
0x80,0x90,0x88,0x83,
0xc6,0xa1,0x86,0x8e,0xbf,0x7f};
//反序共阳极数码管段码表，段码a-h顺序接PX7-PX0
unsigned char code Table[]={//共阴数码管段码"0~f-."
0x03,0x9f,0x25,0x0d,
0x99,0x49,0x41,0x1f,
0x01,0x09,0x11,0xc1,
0x63,0x85,0x61,0x71,0xfd,0xfe};

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这单片机程序 数码管显示不完全

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这单片机程序数码管显示不完全