source1.lst

c8051f020的lcd显示 可以直接应用 lcd是12864,驱动器ks0108

C51 COMPILER V8.02   SOURCE1                                                               05/09/2007 13:09:06 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE SOURCE1
OBJECT MODULE PLACED IN Source1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Source1.c DB OE

line level    source

   1          #include <c8051f020.h>
   2          
   3          
   4          #define BAUDRATE     9600               /*UART0的波特率*/
   5          #define SYSCLK       11059200           /*系统时钟*/
   6          sbit buz = P2^5;
   7          
   8          bit     ReceiveBit;                             /*接收标志位*/
   9          unsigned char temp;
  10          
  11          void delay(unsigned int m)
  12          {
  13   1              unsigned int n;
  14   1              n=0;
  15   1              while(n < m)
  16   1              {n++;}
  17   1              return;
  18   1      }
  19          
  20          void SYSCLK_Init (void)
  21          {
  22   1         int i;                              /*延时计数器*/
  23   1         OSCXCN = 0x67;                      /*打开外部晶体振荡器*/
  24   1         for (i=0; i < 256; i++);            /*延时*/
  25   1      
  26   1         while (!(OSCXCN & 0x80));           /*查询外部晶体是否稳定起振*/
  27   1      
  28   1         OSCICN = 0x88;                      /*用外部晶体作为系统时钟,并使能时钟丢失检测*/
  29   1      }
  30          
  31          void PORT_Init (void)
  32          {
  33   1      XBR0    |= 0x17;                    // Enable CEX0 on P0.0
  34   1              XBR1    |= 0x00;
  35   1              XBR2    |= 0x44;                    // Enable crossbar and weak pull-ups
  36   1              P0MDOUT |= 0x1D;                    // enable P0.0 as a push-pull output
  37   1              P1MDOUT = 0xFD;                                         // Output configuration for P1
  38   1              P2MDOUT = 0x00;                                         // Output configuration for P2
  39   1              P3MDOUT = 0x00;                                         // Output configuration for P3
  40   1              P74OUT  = 0x00;                                         // Output configuration for P4-7
  41   1      
  42   1              P1MDIN = 0xFF;                                          // Input configuration for P1
  43   1              P5 = 0xFF;
  44   1      }
  45          
  46          void UART0_Init (void)
  47          {
  48   1         SCON0   = 0x50;                     /*SCON0:模式1,8位UART,时能RX*/
  49   1         TMOD    = 0x20;                     /*TMOD: 定时器工作再模式2, 8位重载*/
  50   1         TH1     = -(SYSCLK/BAUDRATE/12);    /*设置定时1用作波特率的重载值*/
  51   1         TR1     = 1;                        /*开定时器1*/
  52   1      
  53   1      }
  54          
  55          
C51 COMPILER V8.02   SOURCE1                                                               05/09/2007 13:09:06 PAGE 2   

  56          /*串口中断0子程序*/
  57          void UART0_ISR (void) interrupt 4 using 3
  58          {
  59   1              if(RI0 == 1)              //是发送中断还是接收中断
  60   1              {
  61   2                      RI0 = 0;                        /*清接收标志位*/
  62   2                      temp =SBUF0;            /*保存接收到的数据*/
  63   2                      ReceiveBit=1;           /*置接收标志*/
  64   2              }
  65   1              TI0 = 0;                                /*清发送标志位*/
  66   1      }
  67          
  68          //-----------------------------------------------------------------------------
  69          // MAIN Routine      
  70          //-----------------------------------------------------------------------------
  71          
  72          void main(void)
  73          {
  74   1              unsigned char i;
  75   1              WDTCN = 0xde;                       /*关看门狗*/
  76   1              WDTCN = 0xad;
  77   1          ReceiveBit=0;
  78   1              SYSCLK_Init();                      /*初始化系统时钟*/
  79   1              PORT_Init();                        /*初始挂交叉开关和I/O口*/
  80   1              UART0_Init();                       /*初始化UART0*/
  81   1              EA=1;                               //开中断
  82   1              ES0=1; 
  83   1          while(1)
  84   1              {
  85   2              while (ReceiveBit==1)               /*是否接收到一个数据*/
  86   2              {                       
  87   3                      ES0=0;                                          /*关串口中断0*/
  88   3                              EA=0;                                           /*关总中断*/
  89   3                              ReceiveBit=0;                           /*清接收标志位*/
  90   3                              delay(60000);                           /*延时*/
  91   3                              delay(60000);
  92   3                              delay(60000);
  93   3                  SBUF0=temp;                                 /*将接收到数据送出*/
  94   3                  while(TI0==0);                              /*发送标志位是否产生*/
  95   3                              TI0=0;                                          /*清发送标志位*/
  96   3                   buz=0;
  97   3                   for(i=0; i<3; i++)                 /*延时*/
  98   3                              {
  99   4                                      delay(60000);
 100   4                              }
 101   3               buz=1;
 102   3                  ES0=1;                                              /*开中断标志*/
 103   3                              EA=1;
 104   3                      }
 105   2      
 106   2              }
 107   1      }
 108          
 109          
 110          
 111          
 112          
 113          
 114          
 115          
 116          

C51 COMPILER V8.02   SOURCE1                                                               05/09/2007 13:09:06 PAGE 3   


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    171    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)