init.lst

c8051单片机程序包,keil C编写

C51 COMPILER V7.02b   INIT                                                                 12/21/2002 22:32:37 PAGE 1   


C51 COMPILER V7.02b, COMPILATION OF MODULE INIT
OBJECT MODULE PLACED IN Init.OBJ
COMPILER INVOKED BY: D:\keil702\C51\BIN\C51.EXE Init.c OPTIMIZE(0,SPEED) BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include "c8051f020.h"  
   2          #include <intrins.h>              
   3          
   4          void Delay1us(unsigned char us)
   5          {
   6   1              while (us)
   7   1              {
   8   2                _nop_(); _nop_(); _nop_(); _nop_(); _nop_();
   9   2                --us;
  10   2              }
  11   1      }
  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推挽输出
  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          int g_Count1ms;
  55          bit FlashFlag,Flag500ms;
C51 COMPILER V7.02b   INIT                                                                 12/21/2002 22:32:37 PAGE 2   

  56          unsigned char C_1s;
  57          
  58          unsigned char Count1ms;
  59          void Timer0_Init (void)
  60          {
  61   1              g_Count1ms=0;
  62   1              FlashFlag=0;Flag500ms=0;   
  63   1              CKCON|=0x8;
  64   1              TMOD|=0x1;      //16Bit
  65   1              Count1ms=10;
  66   1              TR0 = 0;                                // STOP Timer0
  67   1              TH0 = (-SYSCLK/1000) >> 8;              // set Timer0 to overflow in 1ms
  68   1              TL0 = -SYSCLK/1000;
  69   1              TR0 = 1;        // START Timer0
  70   1              IE|= 0x2; 
  71   1      }
  72          void Timer0_ISR (void) interrupt 1  //1ms
  73          {
  74   1              TH0 = (-SYSCLK/1000) >> 8;  
  75   1              TL0 = -SYSCLK/1000;
  76   1              if (Count1ms) Count1ms--;
  77   1              g_Count1ms++;
  78   1              if (g_Count1ms%500)
  79   1              {
  80   2                      Flag500ms=1;
  81   2                      if (FlashFlag) FlashFlag=1;
  82   2                      else FlashFlag=0;
  83   2              }
  84   1              if (g_Count1ms%1000)
  85   1              {
  86   2                      if (C_1s) C_1s--;
  87   2                      g_Count1ms=0;
  88   2              }
  89   1      }
  90          
  91          void Delay1ms(unsigned char T)
  92          {
  93   1              Count1ms=T;
  94   1              while (Count1ms);
  95   1      }
  96          
  97          void Delay1s(unsigned char T)
  98          {
  99   1              while (T)
 100   1              {
 101   2                      Delay1ms(200);
 102   2                      Delay1ms(200);
 103   2                      Delay1ms(200);
 104   2                      Delay1ms(200);
 105   2                      Delay1ms(200);
 106   2                      T--;
 107   2              }
 108   1      }
 109          
 110          void Test7279(bit LoopFlag);
 111          void TestLCD(void);
 112          void DispLED(char *buf);
 113          void TestI2C (void);
 114          
 115          void main (void) 
 116          {
 117   1              WDTCN = 0xde;
C51 COMPILER V7.02b   INIT                                                                 12/21/2002 22:32:37 PAGE 3   

 118   1              WDTCN = 0xad;           //关看门狗
 119   1              SYSCLK_Init ();         //初始化时钟
 120   1              Timer0_Init();                  //初始化定时器
 121   1              PORT_Init ();           //初始化IO口
 122   1              SPI0_Init ();           //初始化SPI0
 123   1      
 124   1              CPT1CN|=0x80;   //使能比较器1
 125   1              REF0CN = 0x03;  //使能片内参考电压
 126   1              DAC0CN |= 0x80; //使能DAC0
 127   1              DAC0H=0;        DAC0L=0;
 128   1      
 129   1              EA=1;                                   //开中断
 130   1              Test7279(0);
 131   1              TestI2C();
 132   1      //      TestLCD();
 133   1      }
 134          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    326    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      9    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      2    ----
END OF MODULE INFORMATION.


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