osc3.lst

基于485的51单片机多机通讯程序

 225   4                                                                      osc_l=1;
 226   4                                                      }
 227   3                                                      else
 228   3                                                      {
 229   4                                                              if(center_excursion==0&&judge_ok==0)
 230   4                                                              {
 231   5                                                                      excursion_dir=0;
 232   5                                                                      center_excursion=1;
 233   5                                                              }
 234   4                                                      }
 235   3                                              }break;
 236   2                      case com_osc_r:         {
 237   3                                                      if(work==0)                     //点动
 238   3                                                      {
 239   4                                                              if(osc_r==0)
 240   4                                                                      osc_r=1;
 241   4                                                      }
C51 COMPILER V7.06   OSC3                                                                  09/27/2005 14:37:42 PAGE 5   

 242   3                                                      else
 243   3                                                      {
 244   4                                                              if(center_excursion==0&&judge_ok==0)
 245   4                                                              {
 246   5                                                                      excursion_dir=1;
 247   5                                                                      center_excursion=1;
 248   5                                                              }
 249   4                                                      }
 250   3                                              }break;
 251   2      
 252   2                      case com_breadth_add:   if(osc_ok==1&&osc==0)
 253   2                                              {
 254   3                                                              osc=1;          //启动横摆
 255   3                                                              osc_change=1;
 256   3                                              }break;
 257   2                      case com_breadth_dec:   if(osc_ok==1&&osc==0)
 258   2                                              {
 259   3                                                              osc=1;          //启动横摆
 260   3                                                              osc_change=0;
 261   3                                              }break;
 262   2      
 263   2                      case com_goto_begin:    to_begin=1;break;
 264   2                      case com_err_ok:        err_ok=1;break;
 265   2                      default:                 break;
 266   2              }
 267   1      }
 268          
 269          void data_type()                                                //对接收到的数据分辨类型
 270          {
 271   1              switch(rbuffer[1])
 272   1              {
 273   2                      case command:   com_type();break;
 274   2                      case infor:     {
 275   3                                              if(rbuffer[2]==com_sector)
 276   3                                              {
 277   4                                                      in_sector=1;
 278   4                                                      new_sector=1;
 279   4                                                      nonce_sec=rbuffer[3];
 280   4                                                      K4=pp.x[nonce_sec][0]&0x01;
 281   4                                              }
 282   3                                      }break;
 283   2                      case p_out_sec: receive_p_out=1;break;
 284   2      
 285   2                      case p_in_sec:  {
 286   3                                              nonce_sec=rbuffer[2];
 287   3                                              receive_p_in=1;
 288   3                                      }break;
 289   2                      default:        break;
 290   2              }
 291   1      }
 292          
 293          
 294          void EX0_INT (void) interrupt 0                 //急停
 295          {
 296   1              EX0=0;
 297   1              message_enable=1;                               //关发送使能
 298   1              REN=1;
 299   1              gate=0;
 300   1              CTCON=CTCON&0xF0;
 301   1      
 302   1              while(err_ok==0)
 303   1              {
C51 COMPILER V7.06   OSC3                                                                  09/27/2005 14:37:42 PAGE 6   

 304   2                      if(called==1)
 305   2                      {
 306   3                              if(osc_err==0)
 307   3                              {
 308   4                                      ini_sbuf(M_main,answer,OK,0,0,0);
 309   4                                      s_byte_nums=4;
 310   4                                      TR_noans();
 311   4                              }
 312   3                              else
 313   3                              {
 314   4                                      ini_sbuf(M_main,err_infor,M_OSC,err,0,0);
 315   4                                      s_byte_nums=5;
 316   4                                      TR_noans();
 317   4                                      osc_err=0;
 318   4                                      err=0;
 319   4                                      stop=1;
 320   4                              }
 321   3                              called=0;
 322   3                      }
 323   2              }
 324   1              urgent_stop=1;
 325   1      }
 326          
 327          void EX1_INT (void) interrupt 2
 328          {
 329   1              unsigned char get_err;
 330   1              EX1=0;
 331   1              get_err=P5;
 332   1              get_err=get_err&0x10;
 333   1              if(get_err==0)
 334   1                      err=14;
 335   1              else
 336   1              {
 337   2                      get_err=P5;
 338   2                      get_err=get_err&0x08;
 339   2                      if(get_err==0)
 340   2                              err=13;
 341   2                      else
 342   2                      {
 343   3                              get_err=P5;
 344   3                              get_err=get_err&0x04;
 345   3                              if(get_err==0)
 346   3                                      err=12;
 347   3                      }
 348   2              }
 349   1              if(err!=0)
 350   1              {
 351   2                      osc_err=1;
 352   2                      stop=0;
 353   2              }
 354   1              else
 355   1                      EX1=1;
 356   1      }
 357                  
 358          void T1_INT (void) interrupt 3
 359          {
 360   1              c_t1++;
 361   1              if(send==1)
 362   1              {
 363   2                      if(c_t1==7)
 364   2                      {
 365   3                              S0BUF=sbuffer[POINTER0];
C51 COMPILER V7.06   OSC3                                                                  09/27/2005 14:37:42 PAGE 7   

 366   3                              c_t1=0;
 367   3                      }
 368   2              }
 369   1              else
 370   1              {
 371   2                      if(c_t1==100)
 372   2                      {
 373   3                              TR1=0;
 374   3                              overtime=1;
 375   3                      }
 376   2              }
 377   1      }
 378          
 379          void TR_INT (void) interrupt 4                                  //串行口中断
 380          {                                                               //关中断
 381   1              if(TI==1)                                               //发送完成
 382   1              {
 383   2                      TI=0;
 384   2                      POINTER0++;
 385   2                      if(POINTER0<s_byte_nums-1)
 386   2                              SSUM=SSUM+sbuffer[POINTER0];            //6个数据字节求和
 387   2                      else
 388   2                              sbuffer[s_byte_nums-1]=SSUM+sbuffer[0]; //数据和加地址生成校验码
 389   2                      if(POINTER0==s_byte_nums)
 390   2                              REN=1;
 391   2              }
 392   1      
 393   1              if(RI==1)                                               //接收完成
 394   1              {
 395   2                      RI=0;
 396   2                      POINTER1++;                                     //接收缓冲指针加1
 397   2                      rbuffer[POINTER1-1]=S0BUF;                      //从接收缓冲读出数据
 398   2                      if(rbuffer[0]==M_OSC||rbuffer[0]==M_ALL)
 399   2                      {
 400   3                              SM2=0;
 401   3                              if(POINTER1==2)
 402   3                                      r_byte_nums=get_byte_nums(rbuffer[1]);
 403   3                              if(POINTER1<r_byte_nums)
 404   3                                      RSUM=RSUM+rbuffer[POINTER1-1];  //生成校验码
 405   3                              else
 406   3                              {
 407   4                                      SM2=1;
 408   4                                      if(RSUM==rbuffer[r_byte_nums-1])
 409   4                                      {
 410   5                                              if(ans==0)
 411   5                                              {
 412   6                                                      POINTER1=0;
 413   6                                                      RSUM=0;
 414   6                                              }
 415   5                                              S_ANSW=OK;
 416   5                                              data_type();
 417   5                                      }
 418   4                                      else
 419   4                                      {
 420   5                                              POINTER1=0;
 421   5                                              RSUM=0;
 422   5                                              S_ANSW=FAIL;
 423   5                                              if(resend==0)
 424   5                                                      resend=1;
 425   5                                      }
 426   4                              }
 427   3      
C51 COMPILER V7.06   OSC3                                                                  09/27/2005 14:37:42 PAGE 8   

 428   3                      }
 429   2                      else
 430   2                              POINTER1=0;
 431   2              }                                       //开中断
 432   1      }
 433          
 434          void S1_int (void) interrupt 5      //I2C
 435          {
 436   1         if (S1STA==0x00)
 437   1                 {
 438   2                  FF=1;
 439   2                  S1CON=0xD5; //STA=0   STO=1    SI=0     AA=1
 440   2                 }
 441   1         if (S1STA==0x08)
 442   1                 {
 443   2                  S1DAT=SLA;
 444   2                  S1CON=0xC5; //STA=0   STO=0    SI=0     AA=1
 445   2                 }
 446   1         if (S1STA==0x10)
 447   1                 {
 448   2                  S1DAT=SLA;
 449   2                  S1CON=0xC5; //STA=0   STO=0    SI=0     AA=1
 450   2                 }
 451   1         if (S1STA==0x18)
 452   1                 {
 453   2                  S1DAT=COMM;
 454   2                  S1CON=0xC5; //STA=0   STO=0    SI=0     AA=1
 455   2                 }