C51 COMPILER V6.23a  MAIN                                                                  12/19/2002 16:09:42 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE main.c DB OE

stmt level    source

   1          #include "c8051f020.h"  
   2          #include <intrins.h>              
   3          
   4          /*void Delay1us(unsigned char us)
   5          {
   6                  while (us)
   7                  {
   8                    _nop_(); _nop_(); _nop_(); _nop_(); _nop_();
   9                    --us;
  10                  }
  11          }*/
  12          void SYSCLK_Init (void)
  13          {
  14   1         int i;                              // delay counter
  15   1         OSCXCN = 0x67;                      // start external oscillator with
  16   1                                             // 18.432MHz crystal
  17   1         for (i=0; i < 256; i++) ;           // Wait for osc. to start up
  18   1         while (!(OSCXCN & 0x80)) ;          // Wait for crystal osc. to settle
  19   1         OSCICN = 0x88;                      // select external oscillator as SYSCLK
  20   1                                             // source and enable missing clock
  21   1                                             // detector
  22   1      //      OSCICN = 0x07;   //interal 16MHZ
  23   1      }
  24          
  25          #define PRT0CF P0MDOUT
  26          #define PRT1CF P1MDOUT
  27          #define PRT2CF P2MDOUT
  28          
  29          void PORT_Init (void)
  30          {
  31   1         XBR0    = 0x07;                     // Enable SMBus, SPI0, and UART0
  32   1         XBR1    = 0x00;
  33   1         XBR2    = 0x44;                     // Enable crossbar and weak pull-ups
  34   1         EMI0CF  = 0x27;
  35   1         EMI0TC  = 0x21;
  36   1         P74OUT  = 0xFF;
  37   1         P0MDOUT = 0x15;
  38   1      
  39   1         P1MDOUT |= 0x3C;                                     //P1.2-P1.5推挽輸出
  40   1         P1 &= 0xc3;                                                  //P1.2-P1.5=0
  41   1      }
  42          
  43          void SPI0_Init (void)
  44          {
  45   1         SPI0CFG = 0x07;                     // data sampled on 1st SCK rising edge
  46   1                                             // 8-bit data words
  47   1         SPI0CFG|=0xC0;       //CKPOL =1;
  48   1      
  49   1         SPI0CN = 0x03;                      // Master mode; SPI enabled; flags
  50   1                                             // cleared
  51   1         SPI0CKR = SYSCLK/2/8000000-1;       // SPI clock <= 8MHz (limited by 
  52   1                                             // EEPROM spec.)
  53   1      }
  54          
  55          unsigned char Count1ms;
C51 COMPILER V6.23a  MAIN                                                                  12/19/2002 16:09:42 PAGE 2   

  56          void Timer0_Init (void)
  57          {
  58   1              CKCON|=0x8;
  59   1              TMOD|=0x1;      //16Bit
  60   1              Count1ms=10;
  61   1              TR0 = 0;                                // STOP Timer0
  62   1              TH0 = (-SYSCLK/1000) >> 8;              // set Timer0 to overflow in 1ms
  63   1              TL0 = -SYSCLK/1000;
  64   1              TR0 = 1;        // START Timer0
  65   1              IE|= 0x2; 
  66   1      }
  67          
  68          void Timer0_ISR (void) interrupt 1  //1ms
  69          {
  70   1              TH0 = (-SYSCLK/1000) >> 8;  
  71   1              TL0 = -SYSCLK/1000;
  72   1              if (Count1ms) Count1ms--;
  73   1      }
  74          
  75          void Delay1ms(unsigned char T)
  76          {
  77   1              Count1ms=T;
  78   1              while (Count1ms);
  79   1      }
  80          
  81          void Delay1s(unsigned char T)
  82          {
  83   1              while (T)
  84   1              {
  85   2                      Delay1ms(200);
  86   2                      Delay1ms(200);
  87   2                      Delay1ms(200);
  88   2                      Delay1ms(200);
  89   2                      Delay1ms(200);
  90   2                      T--;
  91   2              }
  92   1      }
  93          
  94          //void Test7279(bit LoopFlag);
  95          void TestLCD(void);
  96          //void DispLED(char *buf);
  97          void main (void) 
  98          {
  99   1              WDTCN = 0xde;
 100   1              WDTCN = 0xad;           //關看門狗
 101   1              SYSCLK_Init ();         //初始化時鐘
 102   1              Timer0_Init();                  //初始化定時器
 103   1              PORT_Init ();           //初始化IO口
 104   1              SPI0_Init ();           //初始化SPI0
 105   1      
 106   1              CPT1CN|=0x80;   //使能比較器1
 107   1              REF0CN = 0x03;  //使能片內參考電壓
 108   1              DAC0CN |= 0x80; //使能DAC0
 109   1              DAC0H=0;        DAC0L=0;
 110   1      
 111   1              EA=1;                                   //開中斷
 112   1      
 113   1              //Test7279(0);
 114   1              TestLCD();
 115   1      
 116   1      }
 117          
C51 COMPILER V6.23a  MAIN                                                                  12/19/2002 16:09:42 PAGE 3   



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    176    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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