📄 m500auc.lst
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692 {
693 1 char data status;
694 1 char data i;
695 1 char data j;
696 1
697 1 if ((status = M500PcdReset()) == MI_OK)//复位成功
698 1 {
699 2 delay_50us(100);
700 2
701 2 WriteIO(0x0,0x0);
702 2 // test clock Q calibration - value in the range of 0x46 expected
703 2 // 时钟产生控制寄存器
704 2 // ClockQControl(
705 2 WriteIO(RegClockQControl,0x0);
706 2
707 2 Temp = ReadIO(RegClockQControl);
708 2
709 2 WriteIO(RegClockQControl,0x40);
710 2
711 2 Temp = ReadIO(RegClockQControl);
712 2
713 2 delay_50us(2); // wait approximately 100 us - calibration in progress
714 2 ClearBitMask(RegClockQControl,0x40); // clear bit ClkQCalib for
715 2 // further calibration
716 2
717 2 // The following values for RegBitPhase and
718 2 // RegRxThreshold represents an optimal
719 2 // value for our demo package. For user
720 2 // implementation some changes could be
721 2 // necessary
722 2 // initialize bit phase
723 2
724 2
725 2 WriteIO(RegBitPhase,0xAD);//page3调整发射器河接收器的相位差，该值影响数据接受质量
726 2 //该寄存器复位值为0xAD;
727 2
728 2 Temp = ReadIO(RegBitPhase);
729 2
730 2 // initialize minlevel
731 2 WriteIO(RegRxThreshold,0xFF);//选择bit解码的阀值
732 2 //(7654bit)Minnlevel定义解码起能够接受的最小信号
733 2 //若信号的强度低于该值，则不被处理
734 2 //(3210bit)定义Manchester编码的信号里弱半bit相对
735 2 //强半bit产生冲突必须达到的最小值
736 2 //该寄存器复位值为oxFF.
C51 COMPILER V7.06 M500AUC 03/21/2005 16:36:23 PAGE 13
737 2
738 2 Temp = ReadIO(RegRxThreshold);
739 2
740 2 // disable auto power down
741 2 WriteIO(RegRxControl2,0x01);//解码控制及选择接收源
742 2 //赋值0x01 ：选择Q时钟作为接收器时钟
743 2 //接收器始终打开
744 2 //选择内部解调器
745 2 Temp = ReadIO(RegRxControl2);
746 2 // Depending on the processing speed of the
747 2 // operation environment, the waterlevel
748 2 // can be adapted. (not very critical for
749 2 // mifare applications)
750 2 // initialize waterlevel to value 4
751 2 WriteIO(RegFIFOLevel,0x04);//定义FIFO向上或向下的溢出级别
752 2 //若FIFO里剩下的空间(64-FIFOLength)小于等于Waterlevel则HiAlert=1.
753 2 //若FIFO里已有的数据FIFOLength)小于等于WaterLever则LoAlert=1;
754 2
755 2 Temp = ReadIO(RegFIFOLevel);
756 2 //Timer configuration
757 2 WriteIO(RegTimerControl,0x02); //选择Timer时钟的启动和停止条件
758 2 //数据发送结束后Timer自动启动
759 2 // TStopRxEnd=0,TStopRxBeg=0,
760 2 // TStartTxEnd=1,TStartTxBeg=0
761 2 // timer must be stopped manually
762 2
763 2 Temp = ReadIO(RegTimerControl);
764 2 M500PcdSetTmo(1); // short timeout
765 2
766 2 WriteIO(RegIRqPinConfig,0x03); // interrupt active low enable
767 2
768 2 Temp = ReadIO(RegIRqPinConfig);//定义管脚输出电平
769 2 //IRQ管脚为Irq bit 的反相输出
770 2 //IRQ管脚为标准的CMOS输出
771 2
772 2 M500PcdRfReset(1); // Rf - reset and enable output driver
773 2
774 2 Pt = &MKeys[0][0];
775 2 // initialize internal key memory
776 2 for (i = 0; i < 16; i++)
777 2 {
778 3 for (j = 0; j < 12; j++)
779 3 {
780 4 MKeys[i][j] = 0x00;
781 4 Pt++;
782 4 }
783 3 }
784 2
785 2 memcpy(MKeys,AledKey,192);
786 2
787 2 }
788 1
789 1 return status;
790 1 }
791
792 ///////////////////////////////////////////////////////////////////////
793 // M I F A R E R E M O T E A N T E N N A
794 // Configuration of slave module
795 ///////////////////////////////////////////////////////////////////////
796 char M500PcdMfInOutSlaveConfig(void)
797 {
798 1 char data status = MI_OK;
C51 COMPILER V7.06 M500AUC 03/21/2005 16:36:23 PAGE 14
799 1
800 1 FlushFIFO(); // empty FIFO
801 1 ResetInfo(MInfo);
802 1 MSndBuffer[0] = 0x10; // addr low byte
803 1 MSndBuffer[1] = 0x00; // addr high byte
804 1
805 1 MSndBuffer[2] = 0x00; // Page
806 1 MSndBuffer[3] = 0x7B; // RegTxControl modsource 11,InvTx2,Tx2RFEn,TX1RFEn
807 1 MSndBuffer[4] = 0x3F; // RegCwConductance
808 1 MSndBuffer[5] = 0x3F; // RFU13
809 1 MSndBuffer[6] = 0x19; // RFU14
810 1 MSndBuffer[7] = 0x13; // RegModWidth
811 1 MSndBuffer[8] = 0x00; // RFU16
812 1 MSndBuffer[9] = 0x00; // RFU17
813 1
814 1 MSndBuffer[10] = 0x00; // Page
815 1 MSndBuffer[11] = 0x73; // RegRxControl1
816 1 MSndBuffer[12] = 0x08; // RegDecoderControl
817 1 MSndBuffer[13] = 0x6c; // RegBitPhase
818 1 MSndBuffer[14] = 0xFF; // RegRxThreshold
819 1 MSndBuffer[15] = 0x00; // RFU1D
820 1 MSndBuffer[16] = 0x00; // RegRxControl2
821 1 MSndBuffer[17] = 0x00; // RegClockQControl
822 1
823 1 MSndBuffer[18] = 0x00; // Page
824 1 MSndBuffer[19] = 0x06; // RegRxWait
825 1 MSndBuffer[20] = 0x03; // RegChannelRedundancy
826 1 MSndBuffer[21] = 0x63; // RegCRCPresetLSB
827 1 MSndBuffer[22] = 0x63; // RegCRCPresetMSB
828 1 MSndBuffer[23] = 0x0; // RFU25
829 1 MSndBuffer[24] = 0x04; // RegMfOutSelect enable mfout = manchester HT
830 1 MSndBuffer[25] = 0x00; // RFU27
831 1
832 1 // PAGE 5 FIFO, Timer and IRQ-Pin Configuration
833 1 MSndBuffer[26] = 0x00; // Page
834 1 MSndBuffer[27] = 0x08; // RegFIFOLevel
835 1 MSndBuffer[28] = 0x07; // RegTimerClock
836 1 MSndBuffer[29] = 0x06; // RegTimerControl
837 1 MSndBuffer[30] = 0x0A; // RegTimerReload
838 1 MSndBuffer[31] = 0x02; // RegIRqPinConfig
839 1 MSndBuffer[32] = 0x00; // RFU
840 1 MSndBuffer[33] = 0x00; // RFU
841 1 MInfo.nBytesToSend = 34;
842 1
843 1 status = M500PcdCmd(PCD_WRITEE2,
844 1 MSndBuffer,
845 1 MRcvBuffer,
846 1 &MInfo); // write e2
847 1 return status;
848 1 }
849
850 ///////////////////////////////////////////////////////////////////////
851 // M I F A R E R E M O T E A N T E N N A
852 // Configuration of master module
853 ///////////////////////////////////////////////////////////////////////
854 char M500PcdMfInOutMasterConfig(void)
855 {
856 1 WriteIO(RegRxControl2,0x42);
857 1 WriteIO(RegTxControl,0x10);
858 1 WriteIO(RegBitPhase,0x11);
859 1
860 1 return MI_OK;
C51 COMPILER V7.06 M500AUC 03/21/2005 16:36:23 PAGE 15
861 1 }
862
863 ///////////////////////////////////////////////////////////////////////
864 // M A S T E R K E Y L O A D
865 ///////////////////////////////////////////////////////////////////////
866 char M500PcdLoadMk(unsigned char auth_mode, // KEYA or KEYB
867 unsigned char key_addr, // 0 <= key_addr <= 15
868 unsigned char *mk) // 6 bytes uncoded master key
869 {
870 1 unsigned char data offset = (auth_mode == PICC_AUTHENT1A) ? 0 : 6;
871 1
872 1 memcpy(MKeys[key_addr] + offset,mk,6);
873 1 return MI_OK;
874 1 }
875
876 ///////////////////////////////////////////////////////////////////////
877 // E E P R O M M A S T E R K E Y L O A D
878 ///////////////////////////////////////////////////////////////////////
879 char M500PcdLoadKeyE2(unsigned char key_type,
880 unsigned char sector,
881 unsigned char *uncoded_keys)
882 {
883 1 char data status = MI_OK;
884 1 // eeprom address calculation
885 1 // 0x80 ... offset
886 1 // key_sector ... sector
887 1 // 0x18 ... 2 * 12 = 24 = 0x18
888 1 unsigned short data e2addr = 0x80 + sector * 0x18;
889 1 unsigned char data *e2addrbuf = (unsigned char*)&e2addr;
890 1 unsigned char data keycoded[12];
891 1
892 1 if (key_type == PICC_AUTHENT1B)
893 1 e2addr += 12; // key B offset
894 1
895 1 FlushFIFO(); // empty FIFO
896 1 ResetInfo(MInfo);
897 1
898 1 M500HostCodeKey(uncoded_keys,keycoded);
899 1 memcpy(MSndBuffer,e2addrbuf,2); // write low and high byte of address
900 1 MSndBuffer[2] = MSndBuffer[0]; // Move the LSB of the 2-bytes
901 1 MSndBuffer[0] = MSndBuffer[1]; // address to the first byte
902 1 MSndBuffer[1] = MSndBuffer[2];
903 1 memcpy(&MSndBuffer[2],keycoded,12); // write 12 bytes of coded keys
904 1 MInfo.nBytesToSend = 14;
905 1
906 1 // write load command
907 1 status = M500PcdCmd(PCD_WRITEE2,
908 1 MSndBuffer,
909 1 MRcvBuffer,
910 1 &MInfo);
911 1
912 1 return status;
913 1 }
914
915 ///////////////////////////////////////////////////////////////////////
916 // E E P R O M R E A D(读取EEPROM中的值) //
917 // 形参：起始地址
918 // 读取字节数
919 // 保存地址
920 ///////////////////////////////////////////////////////////////////////
921 char PcdReadE2(unsigned short startaddr,
922 unsigned char length,
C51 COMPILER V7.06 M500AUC 03/21/2005 16:36:23 PAGE 16
923 unsigned char * _data)
924 {
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