main.lst

c8051f020测温程序

C51 COMPILER V7.50   MAIN                                                                  05/11/2005 23:48:28 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: E:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "c8051f020.h"                
   2          
   3          void SYSCLK_Init (void)
   4          {
   5   1         int i;                              // delay counter
   6   1         OSCXCN = 0x67;                      // start external oscillator with
   7   1                                             // 18.432MHz crystal
   8   1         for (i=0; i < 256; i++) ;           // Wait for osc. to start up
   9   1         while (!(OSCXCN & 0x80)) ;          // Wait for crystal osc. to settle
  10   1         OSCICN = 0x88;                      // select external oscillator as SYSCLK
  11   1                                             // source and enable missing clock
  12   1                                             // detector
  13   1      //      OSCICN = 0x07;   //interal 16MHZ
  14   1      }
  15          
  16          #define PRT0CF P0MDOUT
  17          #define PRT1CF P1MDOUT
  18          #define PRT2CF P2MDOUT
  19          
  20          void PORT_Init (void)
  21          {
  22   1         XBR0    = 0x07;                     // Enable SMBus, SPI0, and UART0
  23   1         XBR1    = 0x00;
  24   1         XBR2    = 0x44;                     // Enable crossbar and weak pull-ups
  25   1         EMI0CF  = 0x27;
  26   1         EMI0TC  = 0x21;
  27   1         P74OUT  = 0xFF;
  28   1         P0MDOUT = 0x15;
  29   1      
  30   1         P1MDOUT |= 0x3C;                                     //P1.2-P1.5推挽输出
  31   1         P1 &= 0xc3;                                                  //P1.2-P1.5=0
  32   1      }
  33          
  34          void SPI0_Init (void)
  35          {
  36   1         SPI0CFG = 0x07;                     // data sampled on 1st SCK rising edge
  37   1                                             // 8-bit data words
  38   1         SPI0CFG|=0xC0;       //CKPOL =1;
  39   1      
  40   1         SPI0CN = 0x03;                      // Master mode; SPI enabled; flags
  41   1                                             // cleared
  42   1         SPI0CKR = SYSCLK/2/8000000-1;       // SPI clock <= 8MHz (limited by 
  43   1                                             // EEPROM spec.)
  44   1      }
  45          
  46          unsigned char Count1ms;
  47          void Timer0_Init (void)
  48          {
  49   1              CKCON|=0x8;
  50   1              TMOD|=0x1;      //16Bit
  51   1              Count1ms=10;
  52   1              TR0 = 0;                                // STOP Timer0
  53   1              TH0 = (-SYSCLK/1000) >> 8;              // set Timer0 to overflow in 1ms
  54   1              TL0 = -SYSCLK/1000;
  55   1              TR0 = 1;        // START Timer0
C51 COMPILER V7.50   MAIN                                                                  05/11/2005 23:48:28 PAGE 2   

  56   1              IE|= 0x2; 
  57   1      }
  58          
  59          void Timer0_ISR (void) interrupt 1  //1ms
  60          {
  61   1              TH0 = (-SYSCLK/1000) >> 8;  
  62   1              TL0 = -SYSCLK/1000;
  63   1              if (Count1ms) Count1ms--;
  64   1      }
  65          
  66          void Delay1ms(unsigned char T)
  67          {
  68   1              Count1ms=T;
  69   1              while (Count1ms);
  70   1      }
  71          
  72          void Delay1s(unsigned char T)
  73          {
  74   1              while (T)
  75   1              {
  76   2                      Delay1ms(200);
  77   2                      Delay1ms(200);
  78   2                      Delay1ms(200);
  79   2                      Delay1ms(200);
  80   2                      Delay1ms(200);
  81   2                      T--;
  82   2              }
  83   1      }
  84          
  85          void Test7279(bit LoopFlag);
  86          unsigned int GetTempValue(void);
  87          void DispLED(char *DispBuf,char ShowDot);       //ShowDot 显示小数点位 
  88          void main (void) 
  89          {
  90   1      unsigned int w;
  91   1      char buf[6];
  92   1              WDTCN = 0xde;
  93   1              WDTCN = 0xad;           //关看门狗
  94   1              SYSCLK_Init ();         //初始化时钟
  95   1              Timer0_Init();                  //初始化定时器
  96   1              PORT_Init ();           //初始化IO口
  97   1              SPI0_Init ();           //初始化SPI0
  98   1      
  99   1              CPT1CN|=0x80;   //使能比较器1
 100   1              REF0CN = 0x03;  //使能片内参考电压
 101   1              DAC0CN |= 0x80; //使能DAC0
 102   1              DAC0H=0;        DAC0L=0;
 103   1      
 104   1              EA=1;                                   //开中断
 105   1      
 106   1              Test7279(0);
 107   1              w = GetTempValue();
 108   1              for (;;)
 109   1              {
 110   2                      Delay1ms(250);
 111   2                      buf[0]=' ';
 112   2                      buf[1]=' ';
 113   2                      buf[2]=' ';
 114   2                      buf[3]=(w%1000)/100;
 115   2                      buf[4]=(w%100)/10;
 116   2                      buf[5]=(w%10);
 117   2                      DispLED(buf,5);                         
C51 COMPILER V7.50   MAIN                                                                  05/11/2005 23:48:28 PAGE 3   

 118   2                      w = GetTempValue();
 119   2              }
 120   1      }
 121          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    284    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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