📄 m500auc.lst
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650 2 SerBuffer,
651 2 &MInfo);
652 2
653 2
654 2 // in order to solve an inconsistancy in the anticollision sequence
655 2 // (will be solved soon), the case of 7 bits has to be treated in a
656 2 // separate way
657 2
658 2
659 2 if ( status == MI_OK || status == MI_COLLERR) // no other occured
660 2 {
661 3 for(Len=0;Len<MInfo.nBytesReceived;Len++)
662 3 toPpc(Len+1,SerBuffer[Len]);
663 3 complete=1;
664 3 }
665 2 }
666 1
667 1
668 1 //----------------------Einstellungen aus Initialisierung ruecksetzen
669 1 ClearBitMask(RegDecoderControl,0x20); // ZeroAfterColl disable
670 1 return status;
671 1 }
672
673
674 uchar M500PiccCascSelect(unsigned char select_code) //根据反冲突命令中得到的序列号选择一
-张卡片
C51 COMPILER V6.02 M500AUC 11/20/2007 16:53:51 PAGE 12
675
676 {
677 1 char idata status = MI_OK;
678 1
679 1 M500PcdSetTmo(106);
680 1
681 1 WriteIO(RegChannelRedundancy,0x0F); // RxCRC,TxCRC, Parity enable
682 1 ClearBitMask(RegControl,0x08); // disable crypto 1 unit
683 1
684 1 //************* Cmd Sequence **********************************
685 1 ResetInfo(MInfo);
686 1 SerBuffer[5]=SerBuffer[3];
687 1 SerBuffer[4]=SerBuffer[2];
688 1 SerBuffer[3]=SerBuffer[1];
689 1 SerBuffer[2]=SerBuffer[0];
690 1 SerBuffer[1]=0x70;
691 1 SerBuffer[0]=select_code;
692 1 SerBuffer[6] = SerBuffer[2]
693 1 ^ SerBuffer[3]
694 1 ^ SerBuffer[4]
695 1 ^ SerBuffer[5];
696 1 MInfo.nBytesToSend = 7;
697 1 status = M500PcdCmd(
698 1 SerBuffer,
699 1 &MInfo);
700 1
701 1
702 1 if (status == MI_OK) // no timeout occured
703 1 {
704 2
705 2 toPpc(0,SerBuffer[0]);
706 2
707 2
708 2 }
709 1
710 1 return status;
711 1 }
712
713 uchar M500PiccHalt(void) //卡片中止命令
714 {
715 1 char idata status = MI_CODEERR;
716 1 ResetInfo(MInfo);
717 1 SerBuffer[0] = PICC_HALT ;
718 1 SerBuffer[1] = 0x00;
719 1 MInfo.nBytesToSend = 2;
720 1 status = M500PcdCmd(
721 1 SerBuffer,
722 1 &MInfo);
723 1 if (status)
724 1 {
725 2 if (status == MI_NOTAGERR || status == MI_ACCESSTIMEOUT)
726 2 status = MI_OK;
727 2 }
728 1 WriteIO(RegCommand,PCD_IDLE);
729 1 return status;
730 1 }
731
732 uchar TransceivePICC(void) //在卡片与PC间传送数据
733 {
734 1 uchar j;
735 1 uint send_length,ceive_length;
736 1 uchar send_num,WTX;
C51 COMPILER V6.02 M500AUC 11/20/2007 16:53:51 PAGE 13
737 1 ceive_length=0;
738 1 send_length=Len;
739 1 send_num=send_length/61; //发送次数（分组数）＝总发送字节/（FIFO长度－3）
740 1 if(send_length%61) send_num++;//如果还有剩余字节，发送次数再加一
741 1 for(j=1;j<send_num;j++) //连续发送数据
742 1 {
743 2 pcb=0x12;
744 2 Len=61;
745 2 for(ramlen=0;ramlen<Len;ramlen++)
746 2 SerBuffer[ramlen+1]=fromPpc(ramlen+61*(j-1));
747 2 status=Send_MF();
748 2 if(status) return status;
749 2 pcb_r=SerBuffer[0];
750 2 if((pcb_r&0xf7)==0xf2) //WTX等待请求
751 2 { WTX=SerBuffer[1];
752 3 delay_50us(2*WTX);
753 3 Len=2;
754 3 status=Send_MF();
755 3 if(status) return status;
756 3 }
757 2 if((pcb_r&0xa6)==0xa2) //请求下一分组数据
758 2 {
759 3
760 3 block_num=~block_num;
761 3 send_length-=61;
762 3 continue;
763 3
764 3 }
765 2 else if((pcb_r&0xe2)==0x02) //卡片发来错误的带链接数据
766 2 {
767 3 status=0x87; //not R_block,error
768 3 return 1;
769 3 }
770 2 else //未知的分组pcb
771 2 {status=0x88;return 1;}
772 2 }
773 1 pcb=0x02;
774 1 Len=send_length%61;
775 1 for(ramlen=0;ramlen<Len;ramlen++)
776 1 SerBuffer[ramlen+1]=fromPpc(ramlen+(send_num-1)*61);
777 1 status=Send_MF(); //发送最后的分组
778 1 if(status) return status;
779 1 while(1) // 数据接受
780 1 {
781 2 pcb_r=SerBuffer[0]; //取得分组的pcb
782 2 if((pcb_r&0xf7)==0xf2) //WTX等待请求
783 2 {
784 3 WTX=SerBuffer[1];
785 3 delay_50us(2*WTX);
786 3 Len=2;
787 3 status=Send_MF();
788 3 if(status) return status;
789 3 }
790 2
791 2 if((pcb_r&0xf2)==0x02) //全部数据接受完毕
792 2 {
793 3 Len=MInfo.nBytesReceived-1;
794 3 for(ramlen=0;ramlen<Len;ramlen++)
795 3 toPpc(ramlen+ceive_length,SerBuffer[ramlen+1]);
796 3 ceive_length+=Len;
797 3 Len=ceive_length;
798 3 break;
C51 COMPILER V6.02 M500AUC 11/20/2007 16:53:51 PAGE 14
799 3 }
800 2
801 2 else if((pcb_r&0xf2)==0x12) //还有剩余的数据
802 2 {
803 3 Len=MInfo.nBytesReceived-1;
804 3 for(ramlen=0;ramlen<Len;ramlen++)
805 3 toPpc(ramlen+ceive_length,SerBuffer[ramlen+1]);
806 3 ceive_length+=Len;
807 3 Len=0;
808 3 if(pcb_r&0x1) {pcb=0xa2;}
809 3 else pcb=0xa3;
810 3 status=Send_MF();
811 3 if(status) return status;
812 3 }
813 2 else //未知分组pcb
814 2 {status=0x88;return 1;}
815 2
816 2 }
817 1
818 1
819 1 return status;
820 1 }
821
822 uchar SENDbyte0(uchar chr) //向IC卡发送一个字符
823 {
824 1 uchar i = 0;
825 1 int tt;
826 1 STATE_FLAG = 0;
827 1 ET0 = 1;EA = 1;
828 1 delay_1ms(1);
829 1 while(1)
830 1 {
831 2 TXD = 1;
832 2 while(!TXD);
833 2
834 2 // TB8=1;
835 2 ACC = chr;
836 2 TB8 = P;
837 2 SBUF=chr;
838 2 while(!TI);
839 2 TI=0;
840 2 tt0 = timer0;
841 2 RXD = 1;
842 2 // while((timer0 - tt0) < 10);//10 ok //wait for 11 etu
843 2 if(T0_T1_FLAG) break;
844 2 if(RXD)
845 2 break; //right
846 2 tt = timer0;EA = 1;
847 2 while(timer0 - tt < 2); //error delay 2 etu
848 2 if(i++ == 4)
849 2 {RI = 0;STATE_FLAG = 1;return -1;} //error
850 2 }
851 1
852 1 RI = 0;
853 1 //ET0 = 0;
854 1 return 0;
855 1 }
856
857 uchar RECVbyte0(void) //从IC卡接受一个字符
858 {
859 1 int tt;
860 1 uchar i = 0;
C51 COMPILER V6.02 M500AUC 11/20/2007 16:53:51 PAGE 15
861 1
862 1 STATE_FLAG=0;
863 1 RI = 0;
864 1 ET0 = 1;EA = 1;
865 1 while(1)
866 1 {
867 2 while(!RI)
868 2 {
869 3 if((timer0 - tt0) > (int)WI*960*DD)
870 3 {STATE_FLAG=1;return(STimeOut);}//time out
871 3 }
872 2 RI=0;
873 2 ACC = SBUF;
874 2 tt0 = timer0;
875 2 if(T0_T1_FLAG) return(SBUF);
876 2 if(RB8 != P)
877 2 { EA = 1;
878 3 while((timer0 - tt0) < 10);//delay 10.5 etu
879 3 tt = timer0;
880 3 RXD = 0;
881 3 EA = 1;
882 3 while(timer0 - tt < 1); //1 ~ 2 etu
883 3 RXD = 1;
884 3 }
885 2 else
886 2 return(SBUF);
887 2
888 2 if(i++ == 3)
889 2 {RI = 0;STATE_FLAG=1;return(-1);}//time out
890 2 }
891 1 //ET0 = 0;
892 1 }
893
894 uchar RstICAnswer(void) //IC卡复位应答
895 {
896 1 uchar kk,i,temp;
897 1 uchar length,TD,Bcc;
898 1 uchar dd0,wi0;
899 1 kk = 0;dd0 = 1;wi0 = 10;
900 1 TC1 = 0;DD = 1;//WI = 10;
901 1 WI = 100;
902 1 forPowerdown = 0;
903 1 if(ID==CPUtype) //cpu card
904 1 {
905 2 if(ICPWR) {ICPWR = 0;
906 3 PowerDown = 0;
907 3 TR2 = 0;
908 3 delay_1ms(10);}
909 2 ICRST=0;
910 2 delay_1ms(11);//12 //11 // 40000/3579000 = 11ms
911 2 ICRST=1;
912 2 }
913 1 else if(ID==SAM1type) //sam card
914 1 {
915 2 SAMRST=0;
916 2 delay_1ms(11);
917 2 SAMRST=1;
918 2 }
919 1
920 1
921 1 tt0 = timer0 = 0;
922 1 temp=RECVbyte0();
C51 COMPILER V6.02 M500AUC 11/20/2007 16:53:51 PAGE 16
923 1 if(STATE_FLAG)
924 1 return(temp);
925 1
926 1 if(temp!=0x3b)
927 1 {
928 2 STATE_FLAG=1;return(temp);//0x88
929 2 }
930 1
931 1 toPpc(0,0x3b);
932 1
933 1 Len=1;/*length*/
934 1
935 1 temp=RECVbyte0();
936 1 if(STATE_FLAG)
937 1 return(temp);
938 1 toPpc(1,temp);
939 1 Len++;
940 1
941 1 length=temp&0x0f;
942 1 Bcc=0;
943 1
944 1 T0_T1_FLAG=0;
945 1
946 1 TD=temp;
947 1 while(++kk)
948 1 {
949 2 if((TD&0x10)==0x10)
950 2 {
951 3 temp=RECVbyte0();
952 3 if(STATE_FLAG)
953 3 return(temp);
954 3 if(kk == 1) //TA1
955 3 {
956 4 if(temp==1) dd0=1;
957 4 if(temp==2) dd0=2;
958 4 if(temp==3) dd0=4;
959 4 if(temp==4) dd0=8;
960 4 if(temp==5) dd0=16;
961 4 }
962 3 toPpc(Len,temp);/*TAi*/
963 3 Bcc^=temp;
964 3 Len++;}
965 2 if((TD&0x20)==0x20)
966 2 {
967 3 temp=RECVbyte0();
968 3 if(STATE_FLAG)
969 3 return(temp);
970 3 toPpc(Len,temp);/*TBi*/
971 3 Bcc^=temp;
972 3 Len++;}
973 2 if((TD&0x40)==0x40)
974 2 {
975 3 temp=RECVbyte0();
976 3 if(STATE_FLAG)
977 3 return(temp);
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