math.lst

这是机场入口电子卡检查登记的设备。有输入

C51 COMPILER V6.20c  MATH                                                                  06/21/2007 21:37:53 PAGE 1   


C51 COMPILER V6.20c, COMPILATION OF MODULE MATH
OBJECT MODULE PLACED IN math.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE math.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include"my.h"
   2          extern bit fSeri0_Send_Ok;
   3          extern bit fSeri1_Send_Ok; 
   4          extern bit fSeri0_Reci_Ok;
   5          extern bit fSeri1_Reci_Ok; 
   6          extern bit fSeri2_Send_Ok;
   7          extern bit fSeri2_Reci_Ok; 
   8          /**************************************************
   9                串口0队列    pc
  10          **************************************************/
  11          
  12          extern unsigned char xdata xBuf_0[];//130
  13          extern unsigned char xdata *Seri0_ReadSendPoint;
  14          extern unsigned char xdata *Seri0_WriteSendPoint;
  15          extern unsigned char data Seri0_SendNum; 
  16          extern unsigned char data Seri0_ReciNum; 
  17          /**************************************************
  18                //串口1队列
  19          **************************************************/
  20          extern unsigned char xdata xBuf_1[];//16
  21          extern unsigned char xdata pagedata[];//128
  22          extern unsigned char xdata *pagedataPoint;
  23          extern unsigned char data Seri1_SendNum; 
  24          extern unsigned char data Seri1_ReciNum; 
  25          /**************************************************
  26                //串口2队列
  27          **************************************************/
  28          extern unsigned char xdata xBuf_2[];//384
  29          extern unsigned char xdata *Seri2_ReadPoint;
  30          extern unsigned char xdata *Seri2_WritePoint;
  31          extern unsigned int data Seri2_SendNum; 
  32          extern unsigned int data Seri2_ReciNum; 
  33          /************************************/
  34          extern void puart_init(void);
  35          extern void PSendChar(unsigned char inch);
  36          extern 	    Pc2eep2pc();//
  37          	        G_id_my();//get本机卡号();
  38          	        G_id_my_some();//get间接码();  
  39                      G_id_my_some_show();//get显示码();
  40                      geteep32(unsigned char a);//get显示码()的子程序
  41                      geteep16(unsigned char a);//get显示码()的子程序
  42          extern      S2send();  //串寇2发送IOur.ct
  43          extern unsigned char IRcvStr
  44          ( unsigned char  Sla,      unsigned int  Address ,
  45            unsigned char  *RcvData ,unsigned char  len);
  46          extern unsigned char t;
  47          math()
  48          {
  49   1         if((fSeri0_Reci_Ok==0)) {//串口0 (pc)要求处理
  50   2            Seri0_ReciNum=0; //串口工作初始化
  51   2            Seri0_SendNum=0; //&&(fSeri0_Send_Ok==0)
  52   2      	  Pc2eep2pc();     //在I2C.c 
  53   2                             //2。1）接受pc数据包，   
  54   2                             //按存储页地址（双字节）对eep页写如入更新；
  55   2                             //2。2）按存储页地址 对eep页读出，向pc发送数据包
C51 COMPILER V6.20c  MATH                                                                  06/21/2007 21:37:53 PAGE 2   

  56   2      	  fSeri0_Reci_Ok=1;//允许中断处理
  57   2      
  58   2      	  fSeri0_Send_Ok=1;
  59   2            TI=1;//串口0发送
  60   2      	  }
  61   1      
  62   1         if((fSeri1_Reci_Ok==0)&&(fSeri1_Send_Ok==0))//容许程序处理 
  63   1         {
  64   2            G_id_my();          //ok get本机卡号();在math.c
  65   2      	  G_id_my_some();     //get间接码();  在math.c
  66   2            G_id_my_some_show();//get显示码();  在math.c
  67   2      	  fSeri2_Send_Ok=1;
  68   2            S2send();           //led 显示      在IOuart.c  
  69   2            Seri1_ReciNum=0;
  70   2            Seri1_SendNum=0;
  71   2      	  fSeri1_Reci_Ok=1;//允许中断处理
  72   2      	  fSeri1_Send_Ok=1;
  73   2            TI_1=1;
  74   2         }
  75   1      
  76   1      }
  77          
  78          union d{         
  79            INT16U   u16;
  80            INT8U    u8[2];
  81          }m,m1,m2,m3;
  82          
  83          #define id  m.u16 
  84          #define idH m.u8[0] 
  85          #define idL m.u8[1] 
  86          
  87          #define idm m1.u16 
  88          #define idmH m1.u8[0] 
  89          #define idmL m1.u8[1] 
  90          
  91          #define pageaddr m2.u16 
  92          #define pageaddrH m2.u8[0] 
  93          #define pageaddrL m2.u8[1] 
  94          
  95          #define idmix m3.u16 
  96          #define idmixH m3.u8[0] 
  97          #define idmixL m3.u8[1] 
  98          /************************************************* 		                 
  99          功能：	读I2C
 100          输入：	
 101          		Sla:		芯片地址(A0:EEPROM1;A4:EEPROM2)
 102          		Address:	片内首地址
 103          		Send_Data:	数据地址
 104          		len:      	长度(<=128)
 105          输出: 	0:正确; 1: 错误
 106          注意： 
 107          **************************************************/ 
 108          extern Set_Sla();         
 109                 unsigned char card_char[10];
 110          extern unsigned char tmp;
 111          extern unsigned char Sla;
 112          /************************************************* 		                 
 113          功能：	get本机卡号();
 114          1。1）接受卡号，
 115          1。2）从页=0x780处，读出页的数据，  
 116          最小卡号(双字节,高位在前)。存放在第0个到第1个字节，
 117          1。3）本机卡号=卡号-最小卡