ir.lst

一款居于世纪民生CS6208的带TCP-IP网络功能的8位MCU内核的芯片的应用代码。

 145   1              TA = 0x55;
 146   1              WDCON = 0xC3;//init watchdog timer
 147   1      
 148   1          TMOD |= 0x02;//timer0,auto reload, IR 1000/38=26.3us
 149   1                       //osc/12 = 5MHz, unit = 200ns; count = 132 = 0x84
 150   1                       //TH0 = 0x100 - 0x84 = 0x7C;
 151   1          TH0 = TIMER0_RELOAD;
 152   1          TL0 = TIMER0_RELOAD;
 153   1          #ifndef IR38KHz
                  TR0 = 1;
                  ET0 = 1;
                  #endif
 157   1      
 158   1          TMOD |= 0x20;//timer1,auto load,baud rate generation
 159   1          TH1 = 0xe8;
 160   1              TL1 = 0xe8;
 161   1              SCON = 0x50;
 162   1              PCON = 0x80;
 163   1              TR1 = 1;
 164   1          //ET1 = 1;
 165   1          ES0 = 1;
 166   1      
 167   1          //T2CON |= 0x00;//timer2,timer
 168   1          TH2 = 0x3c;
 169   1          TL2 = 0xaf;
 170   1          TR2 = 1;
 171   1          ET2 =1;
 172   1      
 173   1              //IT1 = 1;//MAC interrupt
 174   1              //EX1 = 1;
 175   1          #ifdef IR38KHz
 176   1          IT0 = 1;//IR interrupt,falling edge
 177   1          //EX0 = 1;
 178   1          #endif
 179   1      
C51 COMPILER V7.06   IR                                                                    10/10/2003 10:51:50 PAGE 4   

 180   1          //IP = 0x01;  //INT0 higher
 181   1              //IP = 0x04;  //INT1 higher
 182   1      
 183   1          EA = 1;
 184   1      }
 185          void IR_INT0(void) interrupt 0
 186          {
 187   1          if (__blearn)
 188   1             {
 189   2                __wirtime = 0;
 190   2                if (__sbirin)
 191   2                   {
 192   3                      if (__wirlow)
 193   3                         {
 194   4                            IR[__dir] = __wirlow;
 195   4                            __wirlow = 0;
 196   4                            __dir ++;
 197   4                         }
 198   3                      if (__dir) __wirhigh ++;
 199   3                      if (__wirhigh == 0xFF)
 200   3                         {
 201   4                            IR[__dir] = 0xFF;//__wirhigh;
 202   4                            __wirhighcount ++;
 203   4                            if (__wirhighcount >= IR_HIGH_LENGTH)
 204   4                               {
 205   5                                 EX0 = 0;//disable ir interrupt
 206   5                                 __dir = __dir - (IR_HIGH_LENGTH-1);
 207   5                                 __sbbusy = 1;
 208   5                               }
 209   4                            else 
 210   4                               {
 211   5                                 __wirhigh = 0x80;
 212   5                                 __dir ++;
 213   5                               }
 214   4                         }
 215   3                   }
 216   2                else
 217   2                   {
 218   3                      __wirhighcount = 0;
 219   3                      if (__wirhigh != 0x80)
 220   3                         {
 221   4                            IR[__dir] = __wirhigh;
 222   4                            __wirhigh = 0x80;
 223   4                            __dir ++;
 224   4                         }                      
 225   3                      __wirlow ++;
 226   3                      if (__wirlow == 0x7F)
 227   3                         {
 228   4                            IR[__dir] = __wirlow;
 229   4                            __wirlow = 0;
 230   4                            __dir ++;                      
 231   4                         }
 232   3                   }
 233   2             }
 234   1           else
 235   1             {
 236   2                if (__dirlong < __dir)
 237   2                   {
 238   3                      if (IR[__dirlong]&0x80)  __sbirout0 = 1;
 239   3                      else __sbirout0 = 0; 
 240   3                      IR[__dirlong] --;
 241   3                      if ((IR[__dirlong]&0x7F) == 0) __dirlong ++;  
C51 COMPILER V7.06   IR                                                                    10/10/2003 10:51:50 PAGE 5   

 242   3                   }
 243   2                 else
 244   2                   {
 245   3                      EX0 = 0;//disable ir interrupt
 246   3                      __sbirout0 = 1;
 247   3                      __dir = 0;
 248   3                      __dirlong = 0;
 249   3                   }
 250   2             }
 251   1      }
 252          void TIMER0(void) interrupt 1
 253          {
 254   1           ;
 255   1      }
 256          void NIC_INT1(void) interrupt 2
 257          {
 258   1          //EA = 0;
 259   1      
 260   1          ;//Deal_Packet();
 261   1      
 262   1          //EA = 1;
 263   1      }
 264          void SERIAL(void) interrupt 4
 265          {
 266   1           if (RI == 1) RI = 0;
 267   1           if (TI == 1) TI = 0;
 268   1      }
 269          void TIMER2(void) interrupt 5
 270          {
 271   1          TF2 = 0;//clear interrupt
 272   1      
 273   1          TH2 = 0x3c;
 274   1          TL2 = 0xaf;
 275   1      
 276   1              __wsystemtimer ++;
 277   1              if (__wsystemtimer >= TIME_1S)
 278   1                 {
 279   2                    __wsystemtimer = 0;
 280   2                __wsend ++;
 281   2                __wirtime ++;                   
 282   2                 }
 283   1      }
 284          
 285          
 286          /********************cpu end*********************************/
 287          
 288          /*************************************************************************/
 289          /***********ethernet begin*******************/
 290          void Deal_Packet()
 291          {
 292   1          unsigned char xdata *point;
 293   1          unsigned char i;
 294   1          //unsigned char xdata __wcurr0,__wcurr1,__wcurr2;
 295   1              //unsigned int PacketLength;
 296   1              //unsigned int XmitPoint;
 297   1