單片機(jī)程序好多錯(cuò)誤求指導(dǎo)

ID:1062123 · 發(fā)表于 2023-2-7 22:20

#include <REGX52.H>
typedef unsigned char u8;
typedef unsigned int u16;
#define SMG PORT P0
#define KEY_MATRIX_PORT P1
u8 gsmg_code[16]={0x3f,0x06,0x5b,0x4f,0x66,
0x6d,0x7d,0x07,0x7f,0x6f,0x77,
0x7c,0x39,0x5e,0x79,0x71}
void delay_10us(u16 ten_us)
{
      while(ten_us--);
}
u8 key_matrix(void)
{
      u8 key_is=0;
      KEY_MATRIX_PORT =0xf7;
      if(KEY_MATRIX_PORT!=0xf7)
      {
               delay_10us(1000);
            switch(KEY_MATRIX_PORT )
            {
                     case 0x77:key_is 1;break;
                     case 0xb7:key_is 5;break;
                     case 0xd7:key_is 9;break;
                     case 0xe7:key_is 13;break;
            }
            while(KEY_MATRIX_PORT=0Xf7);
            return key_is;
      }
      else if(KEY_MATRIX_PORT!=0xfb)
      {
               delay_10us(1000);
            switch(KEY_MATRIX_PORT)
            {
                     case 0x7b:key is 2;break;
                     case 0xbb:key is 6;break;
                     case 0xdb:key is 10;break;
                     case 0xeb:key is 14;break;
            }
            while(KEY_MATRIX_PORT=0Xfb);
            return key is;
      }
      else if(KEY_MATRIX_PORT!=0xfd)
      {
               delay_10us(1000);
            switch(KEY_MATRIX_PORT)
            {
                     case 0x7d:key is 3;break;
                     case 0xbd:key is 7;break;
                     case 0xdd:key is 11;break;
                     case 0xed:key is 15;break;
            }
            while(KEY  MATRIX POR=0Xfd);
            return key is;
      }
      if(KEY_MATRIX_PORT !=0xfe)
      {
               delay_10us(1000);
            switch(KEY_MATRIX_PORT )
            {
                     case 0x7e:key is 4;break;
                     case 0xbe:key is 8;break;
                     case 0xde:key is 12;break;
                     case 0xee:key is 16;break;
            }
            while(KEY_MATRIX_PORT =0Xfe);
            return key is;
      }
}
void main()
{       u8 key=0;
      while(1)
      {
            key=key_matrix();
            if(key!=0)
            P0=gsmg[key-1];
      }
}

ID:903582 · 發(fā)表于 2023-2-7 23:22

你把錯(cuò)誤也貼出來(lái)啊，我們又不是編譯器

ID:883242 · 發(fā)表于 2023-2-7 23:53

只看到第一個(gè)錯(cuò)誤
#define SMG PORT P0
這里SMG PORT中間加空格就是兩個(gè)東西了，要寫成SMG_PORT

ID:844772 · 發(fā)表于 2023-2-8 00:01

key is 少_。

ID:94031 · 發(fā)表于 2023-2-8 06:08

u8 gsmg_code[16]={0x3f,0x06,0x5b,0x4f,0x66,
0x6d,0x7d,0x07,0x7f,0x6f,0x77,
0x7c,0x39,0x5e,0x79,0x71}最后要有分號(hào)。

ID:94031 · 發(fā)表于 2023-2-8 06:32

case 0x77:key_is 1;break;應(yīng)該 key_is = 1;

ID:94031 · 發(fā)表于 2023-2-8 06:38

while(KEY_MATRIX_PORT=0Xfb);應(yīng)該while(KEY_MATRIX_PORT==0Xfb);

ID:596109 · 發(fā)表于 2023-2-8 08:33

case 0x7e:key is 4;break; case 0xbe:key is 8;break; case 0xde:key is 12;break; case 0xee:key is 16;break，k

ID:596109 · 發(fā)表于 2023-2-8 08:34

case 0x7e:key is 4;break; case 0xbe:key is 8;break; case 0xde:key is 12;break; case 0xee:key is 16;break //key is改成key_is =

ID:76318 · 發(fā)表于 2023-2-8 11:34

#include <REGX52.H> typedef unsigned char u8; typedef unsigned int u16; #define SMG_PORT P0 //P0口接數(shù)碼管 #define KEY_MATRIX_PORT P1 //P1口接矩陣按鍵 u8 gsmg_code[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}; //0~9 a~f 全滅共陰數(shù)碼管 void delay_10us(u16 ten_us) { while(ten_us--); } u8 key_matrix(void) //按鍵函數(shù) 高四位接行線，低四位接列線 { u8 key_is=0; //鍵值變量 KEY_MATRIX_PORT =0xf7; //按鍵賦值 1111 0111 if(KEY_MATRIX_PORT!=0xf7) //有鍵按下 { delay_10us(100); //延時(shí) switch(KEY_MATRIX_PORT ) //匹配鍵值 { case 0x77:key_is=1;break; //0111 0111 鍵值1 case 0xb7:key_is=5;break; //1011 0111 鍵值5 case 0xd7:key_is=9;break; //1101 0111 鍵值9 case 0xe7:key_is=13;break; //1110 0111 鍵值13 } while(KEY_MATRIX_PORT!=0xf7); //等待松手 return key_is; //返回鍵值 } KEY_MATRIX_PORT =0xfb; //按鍵賦值 1111 1011 if(KEY_MATRIX_PORT!=0xfb) //有鍵按下不等于1111 1011 { delay_10us(100); //延時(shí) switch(KEY_MATRIX_PORT) //匹配 { case 0x7b:key_is=2;break; //0111 1011 鍵值2 case 0xbb:key_is=6;break; //1011 1011 鍵值6 case 0xdb:key_is=10;break; //1101 1011 鍵值10 case 0xeb:key_is=14;break; //1110 1011 鍵值14 } while(KEY_MATRIX_PORT!=0xfb); //等待松手 return key_is; //返回鍵值 } KEY_MATRIX_PORT =0xfd; //按鍵賦值 1111 1101 if(KEY_MATRIX_PORT!=0xfd) //有鍵按下 { delay_10us(100); //延時(shí) switch(KEY_MATRIX_PORT) //匹配 { case 0x7d:key_is=3;break; //0111 1101 鍵值3 case 0xbd:key_is=7;break; //1011 1101 鍵值7 case 0xdd:key_is=11;break; //1101 1101 鍵值11 case 0xed:key_is=15;break; //1110 1101 鍵值15 } while(KEY_MATRIX_PORT!=0xfd); //等待松手 return key_is; //返回鍵值 } KEY_MATRIX_PORT =0xfe; //按鍵賦值 1111 1110 if(KEY_MATRIX_PORT !=0xfe) //有鍵按下不等于1111 1110 { delay_10us(100); //延時(shí) switch(KEY_MATRIX_PORT ) //匹配 { case 0x7e:key_is=4;break; //0111 1110 鍵值4 case 0xbe:key_is=8;break; //1011 1110 鍵值8 case 0xde:key_is=12;break; //1101 1110 鍵值12 case 0xee:key_is=16;break; //1110 1110 鍵值16 } while(KEY_MATRIX_PORT!=0xfe); //等待松手 return key_is; //返回鍵值 } } void main() //主函數(shù) { u8 key=0; //定義鍵值變量 SMG_PORT=gsmg_code[16]; //熄滅數(shù)碼管 while(1) { key=key_matrix(); //讀取按鍵值 SMG_PORT=gsmg_code[key-1]; //P0顯示鍵值 } }

ID:1062123 · 發(fā)表于 2023-2-8 12:22

謝謝大家建議很好我都采納了

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單片機(jī)程序好多錯(cuò)誤 求指導(dǎo)

單片機(jī)程序好多錯(cuò)誤求指導(dǎo)