C51 COMPILER V8.02 0 06/23/2010 10:45:31 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 uchar a0=16,b0=16,c0=16,d0=16,e0=16,f0=16,wei,temp,key,i,j,k; 15 sbit dula=P2^6; 16 sbit wela=P2^7; 17 sbit beep=P2^3; 18 19 unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 20 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00}; 21 22 void delay(uchar i) 23 { 24 1 for(j=i;j>0;j--) 25 1 for(k=125;k>0;k--); 26 1 } 27 void display(uchar a,uchar b,uchar c,uchar d,uchar e,uchar f) 28 { 29 1 dula=0; 30 1 P0=table[a]; 31 1 dula=1; 32 1 dula=0; 33 1 34 1 wela=0; 35 1 P0=0xfe; 36 1 wela=1; 37 1 wela=0; 38 1 delay(5); 39 1 40 1 P0=table[b]; 41 1 dula=1; 42 1 dula=0; 43 1 44 1 P0=0xfd; 45 1 wela=1; 46 1 wela=0; 47 1 delay(5); 48 1 49 1 P0=table[c]; 50 1 dula=1; 51 1 dula=0; 52 1 53 1 P0=0xfb; 54 1 wela=1; 55 1 wela=0; C51 COMPILER V8.02 0 06/23/2010 10:45:31 PAGE 2 56 1 delay(5); 57 1 58 1 P0=table[d]; 59 1 dula=1; 60 1 dula=0; 61 1 62 1 P0=0xf7; 63 1 wela=1; 64 1 wela=0; 65 1 delay(5); 66 1 67 1 P0=table[e]; 68 1 dula=1; 69 1 dula=0; 70 1 71 1 P0=0xef; 72 1 wela=1; 73 1 wela=0; 74 1 delay(5); 75 1 76 1 P0=table[f]; 77 1 dula=1; 78 1 dula=0; 79 1 80 1 P0=0xdf; 81 1 wela=1; 82 1 wela=0; 83 1 delay(5); 84 1 } 85 86 void keyscan() 87 { 88 1 { 89 2 P3=0xfe; 90 2 temp=P3; 91 2 temp=temp&0xf0; 92 2 if(temp!=0xf0) 93 2 { 94 3 delay(10); 95 3 if(temp!=0xf0) 96 3 { 97 4 temp=P3; 98 4 switch(temp) 99 4 { 100 5 case 0xee: 101 5 key=0; 102 5 wei++; 103 5 break; 104 5 105 5 case 0xde: 106 5 key=1; 107 5 wei++; 108 5 break; 109 5 110 5 case 0xbe: 111 5 key=2; 112 5 wei++; 113 5 break; 114 5 115 5 case 0x7e: 116 5 key=3; 117 5 wei++; C51 COMPILER V8.02 0 06/23/2010 10:45:31 PAGE 3 118 5 break; 119 5 } 120 4 while(temp!=0xf0) 121 4 { 122 5 temp=P3; 123 5 temp=temp&0xf0; 124 5 beep=0; 125 5 } 126 4 beep=1; 127 4 } 128 3 } 129 2 P3=0xfd; 130 2 temp=P3; 131 2 temp=temp&0xf0; 132 2 if(temp!=0xf0) 133 2 { 134 3 delay(10); 135 3 if(temp!=0xf0) 136 3 { 137 4 temp=P3; 138 4 switch(temp) 139 4 { 140 5 case 0xed: 141 5 key=4; 142 5 wei++; 143 5 break; 144 5 145 5 case 0xdd: 146 5 key=5; 147 5 wei++; 148 5 break; 149 5 150 5 case 0xbd: 151 5 key=6; 152 5 wei++; 153 5 break; 154 5 155 5 case 0x7d: 156 5 key=7; 157 5 wei++; 158 5 break; 159 5 } 160 4 while(temp!=0xf0) 161 4 { 162 5 temp=P3; 163 5 temp=temp&0xf0; 164 5 beep=0; 165 5 } 166 4 beep=1; 167 4 } 168 3 } 169 2 P3=0xfb; 170 2 temp=P3; 171 2 temp=temp&0xf0; 172 2 if(temp!=0xf0) 173 2 { 174 3 delay(10); 175 3 if(temp!=0xf0) 176 3 { 177 4 temp=P3; 178 4 switch(temp) 179 4 { C51 COMPILER V8.02 0 06/23/2010 10:45:31 PAGE 4 180 5 case 0xeb: 181 5 key=8; 182 5 wei++; 183 5 break; 184 5 185 5 case 0xdb: 186 5 key=9; 187 5 wei++; 188 5 break; 189 5 190 5 case 0xbb: 191 5 key=10; 192 5 wei++; 193 5 break; 194 5 195 5 case 0x7b: 196 5 key=11; 197 5 wei++; 198 5 break; 199 5 } 200 4 while(temp!=0xf0) 201 4 { 202 5 temp=P3; 203 5 temp=temp&0xf0; 204 5 beep=0; 205 5 } 206 4 beep=1; 207 4 } 208 3 } 209 2 P3=0xf7; 210 2 temp=P3; 211 2 temp=temp&0xf0; 212 2 if(temp!=0xf0) 213 2 { 214 3 delay(10); 215 3 if(temp!=0xf0) 216 3 { 217 4 temp=P3; 218 4 switch(temp) 219 4 { 220 5 case 0xe7: 221 5 key=12; 222 5 wei++; 223 5 break; 224 5 225 5 case 0xd7: 226 5 key=13; 227 5 wei++; 228 5 break; 229 5 230 5 case 0xb7: 231 5 key=14; 232 5 wei++; 233 5 break; 234 5 235 5 case 0x77: 236 5 key=15; 237 5 wei++; 238 5 break; 239 5 } 240 4 while(temp!=0xf0) 241 4 { C51 COMPILER V8.02 0 06/23/2010 10:45:31 PAGE 5 242 5 temp=P3; 243 5 temp=temp&0xf0; 244 5 beep=0; 245 5 } 246 4 beep=1; 247 4 } 248 3 } 249 2 } 250 1 } 251 void main() 252 { 253 1 while(1) 254 1 { 255 2 keyscan(); 256 2 if(key!=20) 257 2 { 258 3 switch(wei) 259 3 { 260 4 case 1: a0=key; 261 4 b0=16; 262 4 c0=16; 263 4 d0=16; 264 4 e0=16; 265 4 f0=16; 266 4 break; 267 4 case 2: b0=key; 268 4 c0=16; 269 4 d0=16; 270 4 e0=16; 271 4 f0=16; 272 4 break; 273 4 case 3: c0=key; 274 4 d0=16; 275 4 e0=16; 276 4 f0=16; 277 4 break; 278 4 case 4: d0=key; 279 4 e0=16; 280 4 f0=16; 281 4 break; 282 4 case 5: e0=key; 283 4 f0=16; 284 4 break; 285 4 case 6: f0=key; 286 4 wei=0; 287 4 break; 288 4 } 289 3 key=20; 290 3 } 291 2 display(a0,b0,c0,d0,e0,f0); 292 2 } 293 1 } MODULE INFORMATION: STATIC OVERLAYABLE CODE SIZE = 591 ---- CONSTANT SIZE = 17 ---- XDATA SIZE = ---- ---- PDATA SIZE = ---- ---- DATA SIZE = 12 6 IDATA SIZE = ---- ---- BIT SIZE = ---- ---- C51 COMPILER V8.02 0 06/23/2010 10:45:31 PAGE 6 END OF MODULE INFORMATION. C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)