C51 COMPILER V8.02 0 06/28/2010 11:17:35 PAGE 1 C51 COMPILER V8.02, COMPILATION OF MODULE 0 OBJECT MODULE PLACED IN 0.OBJ COMPILER INVOKED BY: D:\处理软件\keil\C51\BIN\C51.EXE 0.c BROWSE DEBUG OBJECTEXTEND line level source 1 /****************************************************************** 2 “天祥电子” 倾情奉献 3 www.txmcu.com 4 www.txmcu.cn 5 ******************************************************************* 6 7 程序功能：按下键盘矩阵后，在六个数码管上依次显示所按下的键所代表的数字。 8 按复位键可以清空显示为0 9 ******************************************************************/ 10 #include 11 12 #define uchar unsigned char 13 14 sbit dula=P2^6; 15 sbit wela=P2^7; 16 sbit beep=P2^3; 17 18 uchar a=16,b=16,c=16,d=16,e=16,f=16; 19 uchar wei,temp,key,ok; 20 uchar s1,s2,s3,s4,s5,s6; 21 unsigned long shu; 22 23 unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 24 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}; 25 26 27 void delay(uchar i) 28 { 29 1 uchar j,k; 30 1 for(j=i;j>0;j--) 31 1 for(k=125;k>0;k--); 32 1 } 33 34 35 void keyscan() 36 { 37 1 P3=0xfe; 38 1 temp=P3; 39 1 temp=temp&0xf0; 40 1 if(temp!=0xf0) 41 1 { 42 2 delay(10); 43 2 if(temp!=0xf0) 44 2 { 45 3 temp=P3; 46 3 switch(temp) 47 3 { 48 4 case 0xee: 49 4 key=0; 50 4 wei++; 51 4 break; 52 4 53 4 case 0xde: 54 4 key=1; 55 4 wei++; C51 COMPILER V8.02 0 06/28/2010 11:17:35 PAGE 2 56 4 break; 57 4 58 4 case 0xbe: 59 4 key=2; 60 4 wei++; 61 4 break; 62 4 63 4 case 0x7e: 64 4 key=3; 65 4 wei++; 66 4 break; 67 4 } 68 3 while(temp!=0xf0) 69 3 { 70 4 temp=P3; 71 4 temp=temp&0xf0; 72 4 beep=0; 73 4 } 74 3 beep=1; 75 3 } 76 2 } 77 1 P3=0xfd; 78 1 temp=P3; 79 1 temp=temp&0xf0; 80 1 if(temp!=0xf0) 81 1 { 82 2 delay(10); 83 2 if(temp!=0xf0) 84 2 { 85 3 temp=P3; 86 3 switch(temp) 87 3 { 88 4 case 0xed: 89 4 key=4; 90 4 wei++; 91 4 break; 92 4 93 4 case 0xdd: 94 4 key=5; 95 4 wei++; 96 4 break; 97 4 98 4 case 0xbd: 99 4 key=6; 100 4 wei++; 101 4 break; 102 4 103 4 case 0x7d: 104 4 key=7; 105 4 wei++; 106 4 break; 107 4 } 108 3 while(temp!=0xf0) 109 3 { 110 4 temp=P3; 111 4 temp=temp&0xf0; 112 4 beep=0; 113 4 } 114 3 beep=1; 115 3 } 116 2 } 117 1 P3=0xfb; C51 COMPILER V8.02 0 06/28/2010 11:17:35 PAGE 3 118 1 temp=P3; 119 1 temp=temp&0xf0; 120 1 if(temp!=0xf0) 121 1 { 122 2 delay(10); 123 2 if(temp!=0xf0) 124 2 { 125 3 temp=P3; 126 3 switch(temp) 127 3 { 128 4 case 0xeb: 129 4 key=8; 130 4 wei++; 131 4 break; 132 4 133 4 case 0xdb: 134 4 key=9; 135 4 wei++; 136 4 break; 137 4 case 0x7b: 138 4 ok=1; 139 4 //key=11; 140 4 //wei++; 141 4 break; 142 4 } 143 3 while(temp!=0xf0) 144 3 { 145 4 temp=P3; 146 4 temp=temp&0xf0; 147 4 beep=0; 148 4 } 149 3 beep=1; 150 3 } 151 2 } 152 1 } 153 154 155 void display(uchar a,uchar b,uchar c,uchar d,uchar e,uchar f) 156 { 157 1 dula=0; 158 1 P0=table[a]; 159 1 dula=1; 160 1 dula=0; 161 1 162 1 wela=0; 163 1 P0=0xfe; 164 1 wela=1; 165 1 wela=0; 166 1 delay(5); 167 1 168 1 P0=table[b]; 169 1 dula=1; 170 1 dula=0; 171 1 172 1 P0=0xfd; 173 1 wela=1; 174 1 wela=0; 175 1 delay(5); 176 1 177 1 P0=table[c]; 178 1 dula=1; 179 1 dula=0; C51 COMPILER V8.02 0 06/28/2010 11:17:35 PAGE 4 180 1 181 1 P0=0xfb; 182 1 wela=1; 183 1 wela=0; 184 1 delay(5); 185 1 186 1 P0=table[d]; 187 1 dula=1; 188 1 dula=0; 189 1 190 1 P0=0xf7; 191 1 wela=1; 192 1 wela=0; 193 1 delay(5); 194 1 195 1 P0=table[e]; 196 1 dula=1; 197 1 dula=0; 198 1 199 1 P0=0xef; 200 1 wela=1; 201 1 wela=0; 202 1 delay(5); 203 1 204 1 P0=table[f]; 205 1 dula=1; 206 1 dula=0; 207 1 208 1 P0=0xdf; 209 1 wela=1; 210 1 wela=0; 211 1 delay(5); 212 1 } 213 214 void main() 215 { 216 1 while(1) 217 1 { 218 2 keyscan(); 219 2 if(wei!=0) 220 2 { 221 3 switch(wei) 222 3 { 223 4 case 1: a=key;s1=a; break; 224 4 case 2: b=key;s2=b; break; 225 4 case 3: c=key;s3=c; break; 226 4 case 4: d=key;s4=d; break; 227 4 case 5: e=key;s5=e; break; 228 4 case 6: f=key;s6=f; break; 229 4 } 230 3 } 231 2 if(ok) //将采集到的单个数据转化为一个整数。 232 2 { ok=0; 233 3 switch(wei) 234 3 { 235 4 case 1: shu=s1; break; 236 4 case 2: shu=s2+s1*10; break; 237 4 case 3: shu=s3+s2*10+s1*100; break; 238 4 case 4: shu=s4+s3*10+s2*100+s1*1000; break; 239 4 case 5: shu=s5+s4*10+s3*100+s2*1000+s1*10000; break; 240 4 case 6: shu=s6+s5*10+s4*100+s3*1000+s2*10000+s1*100000; break; 241 4 } C51 COMPILER V8.02 0 06/28/2010 11:17:35 PAGE 5 242 3 wei=0; 243 3 // f=0;e=0;d=0;c=0;b=0;a=0; 244 3 // f=16;e=16;d=16;c=16;b=16;a=16; 245 3 s1=0;s2=0;s3=0;s4=0;s5=0;s6=0; 246 3 } 247 2 display(a,b,c,d,e,f); 248 2 } 249 1 } 250 251 MODULE INFORMATION: STATIC OVERLAYABLE CODE SIZE = 832 ---- CONSTANT SIZE = 17 ---- XDATA SIZE = ---- ---- PDATA SIZE = ---- ---- DATA SIZE = 20 6 IDATA SIZE = ---- ---- BIT SIZE = ---- ---- END OF MODULE INFORMATION. C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)