uart.lst

进行单片机与LCD的接口通讯与显示。使用清华的液晶。

C51 COMPILER V6.02  UART                                                                   08/26/2003 15:05:01 PAGE 1   


C51 COMPILER V6.02, COMPILATION OF MODULE UART
OBJECT MODULE PLACED IN D:\LCD_6963\LCD2\UART.OBJ
COMPILER INVOKED BY: C:\COMP51\C51.EXE D:\LCD_6963\LCD2\UART.C DB SB OE

stmt level    source

   1          #include <reg51.h>
   2          #define uchar unsigned char
   3          #define uint unsigned int
   4          int idata buf[30]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
   5          uchar idata buf_point=0;
   6          uchar pf;
   7          uchar over=0;
   8          uchar rec=0;
   9          int ch;
  10          uchar  rec_over=0;
  11          int Keybefore;
  12          extern void dispes(uchar position1,uchar position2,uchar chanum,uchar* p);
  13          extern CLEAR();
  14          extern uchar code menu_str[97][30];
  15          extern void msec(uint x);
  16          extern uchar dispint(uchar,uchar,int);
  17          extern uchar dispint_f(uchar position1,uchar position2,int value);
  18          extern void dispf(uchar position1,uchar position2,float value,uchar preci);
  19          extern void dispf_f(uchar position1,uchar position2,float value,uchar preci);
  20          extern KeyState;
  21          extern KeyFuncIndex;
  22          extern head;
  23          
  24          void Uart_init(void)
  25          {
  26   1       	TMOD=0x20;
  27   1      	PCON=0x00;
  28   1      	SCON=0x50;
  29   1      	TH1=0x0f4;
  30   1              TL1=0x0f4;
  31   1      	TR1=1;
  32   1      	ES=1;
  33   1              EA=1;
  34   1      }
  35          
  36          /*void send(uchar idata *d,uchar length)
  37          { uchar i;
  38                 SBUF=0x61;
  39                 while(over==0);over=0;
  40                 pf=0;
  41                 pf=pf^0x61;
  42                 SBUF=length;
  43                 while(over==0);over=0;
  44                 pf=pf^length;
  45                 for(i=0;i<length;i++){
  46                    SBUF=d[i];
  47                     while(over==0);over=0;
  48                    pf^=d[i];
  49                 }
  50                 SBUF=pf;
  51                  while(over==0);over=0;
  52                 SBUF=0x6e;
  53                  while(over==0);over=0;
  54               }    */
  55          
C51 COMPILER V6.02  UART                                                                   08/26/2003 15:05:01 PAGE 2   

  56          void send(uchar idata d)
*** WARNING C258 IN LINE 56 OF D:\LCD_6963\LCD2\UART.C: 'd': mspace on parameter ignored
  57            {     uint i;
  58   1              SBUF=d;
  59   1             while(over==0);over=0;
  60   1             for(i=0;i<100;i++){;}
  61   1         }
  62          void receive(void)interrupt 4 using 3
  63            {
  64   1          if(TI)
  65   1          {
  66   2             TI=0;
  67   2             over=1;
  68   2          }
  69   1         else if(RI)
  70   1          {
  71   2              RI = 0;
  72   2              ch=SBUF;
  73   2              if(ch==head||rec)
  74   2              { rec=1;
  75   3               buf[buf_point++]=ch;
  76   3              if(buf_point>=buf[1]+2)
  77   3                {buf_point=0;
  78   4                rec_over=1; };
  79   3               };
  80   2             /*此处验证头和校验*/
  81   2             if(rec_over==1)
  82   2             {  rec=0;
  83   3               rec_over=0;
  84   3             switch(buf[2])
  85   3             {
  86   4               case  1: KeyState=1;   //receive normal display
  87   4                           KeyFuncIndex=3;
  88   4                           break;
  89   4               case  2:  KeyState=1;  //receive fault. ack.
  90   4                           KeyFuncIndex=8;
  91   4                           break;
  92   4               case  3:  KeyState=1;  //receive fault. acked.
  93   4                           KeyFuncIndex=10;
  94   4                           break;
  95   4               case  10:  KeyState=1;   //receive history events
  96   4                           KeyFuncIndex=14;
  97   4                           break;
  98   4               case  11:  KeyState=1;       //receive data/time setting
  99   4                           KeyFuncIndex=17;
 100   4                           break;
 101   4               case  12:   KeyState=1;       //receive time modified
 102   4                           KeyFuncIndex=28;
 103   4                           break;
 104   4               case  13:  KeyState=1;       //receive  language
 105   4                           KeyFuncIndex=31;
 106   4                           break;
 107   4               case  14:  KeyState=1;       //receive language modified
 108   4                           KeyFuncIndex=34;
 109   4                            break;
 110   4               case  15:  KeyState=1;       //receive scale
 111   4                           KeyFuncIndex=37;
 112   4                           break;
 113   4               case  16:  KeyState=1;       //receive scale modified
 114   4                           KeyFuncIndex=40;
 115   4                           break;
 116   4               case  17:  KeyState=1;       //receive motor specification
C51 COMPILER V6.02  UART                                                                   08/26/2003 15:05:01 PAGE 3   

 117   4                           KeyFuncIndex=62;
 118   4                           break;
 119   4               case  18:  KeyState=1;       //receive motor specification modified
 120   4                           KeyFuncIndex=73;
 121   4                           break;
 122   4               case  19:  KeyState=1;       //receive frequency setting
 123   4                           KeyFuncIndex=74;
 124   4                           break;
 125   4               case  20:  KeyState=1;       //receive frequency setting modified
 126   4                           KeyFuncIndex=85;
 127   4                           break;
 128   4               case  21:  KeyState=1;       //receive group in operation
 129   4                           KeyFuncIndex=86;
 130   4                           break;
 131   4               case  22:  KeyState=1;       //receive group in operation modified
 132   4                           KeyFuncIndex=99;
 133   4                           break;
 134   4               case  23:   KeyState=1;       //receive control mode
 135   4                          KeyFuncIndex=100;
 136   4                          break;
 137   4               case  24:   KeyState=1;       //receive control mode modified
 138   4                          KeyFuncIndex=106;
 139   4                          break;
 140   4               case  25:  KeyState=1;       //receive fwd/rev
 141   4                           KeyFuncIndex=107;
 142   4                           break;
 143   4               case  26:  KeyState=1;       //receive fwd/rev modified
 144   4                           KeyFuncIndex=114;
 145   4                           break;
 146   4               case  27:  KeyState=1;       //receive DC apply
 147   4                           KeyFuncIndex=115;
 148   4                           break;
 149   4               case  28:  KeyState=1;       //receive DC apply  modified
 150   4                           KeyFuncIndex=124;
 151   4                           break;
 152   4               case  29:  KeyState=1;       //receive limit parameters
 153   4                           KeyFuncIndex=125;
 154   4                           break;
 155   4                case  30:  KeyState=1;       //receive limit parameters modified