init.lst

c8051单片机程序包,keil C编写

C51 COMPILER V6.23a  INIT                                                                  10/29/2002 22:19:09 PAGE 1   


C51 COMPILER V6.23a, COMPILATION OF MODULE INIT
OBJECT MODULE PLACED IN Init.OBJ
COMPILER INVOKED BY: C:\KEIL623\C51\BIN\C51.EXE Init.c 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          
  13          void SYSCLK_Init (void)
  14          {
  15   1         int i;                              // delay counter
  16   1         OSCXCN = 0x67;                      // start external oscillator with
  17   1                                             // 18.432MHz crystal
  18   1         for (i=0; i < 256; i++) ;           // Wait for osc. to start up
  19   1         while (!(OSCXCN & 0x80)) ;          // Wait for crystal osc. to settle
  20   1         OSCICN = 0x88;                      // select external oscillator as SYSCLK
  21   1                                             // source and enable missing clock
  22   1                                             // detector
  23   1      //      OSCICN = 0x07;   //interal 16MHZ
  24   1      }
  25          
  26          #define PRT0CF P0MDOUT
  27          #define PRT1CF P1MDOUT
  28          #define PRT2CF P2MDOUT
  29          
  30          void PORT_Init (void)
  31          {
  32   1         XBR0    = 0x07;                     // Enable SMBus, SPI0, and UART0
  33   1         XBR1    = 0x04;                                         //P10<---int0
  34   1         XBR2    = 0x40;                     // Enable crossbar and weak pull-ups
  35   1         EMI0CF  = 0x27;
  36   1         EMI0TC  = 0x21;
  37   1         P74OUT  = 0xFF;
  38   1         P0MDOUT = 0x15;
  39   1      
  40   1         P1MDOUT |= 0x3C;                                     //P1.2-P1.5推挽输出
  41   1         P1 &= 0xc3;                                                  //P1.2-P1.5=0
  42   1      }
  43          
  44          void SPI0_Init (void)
  45          {
  46   1         SPI0CFG = 0x07;                     // data sampled on 1st SCK rising edge
  47   1                                             // 8-bit data words
  48   1         SPI0CFG|=0xC0;       //CKPOL =1;
  49   1      
  50   1         SPI0CN = 0x03;                      // Master mode; SPI enabled; flags
  51   1                                             // cleared
  52   1         SPI0CKR = SYSCLK/2/8000000-1;       // SPI clock <= 8MHz (limited by 
  53   1                                             // EEPROM spec.)
  54   1      }
  55          
C51 COMPILER V6.23a  INIT                                                                  10/29/2002 22:19:09 PAGE 2   

  56          unsigned char Count1ms;
  57          void Timer0_Init (void)
  58          {
  59   1              CKCON|=0x8;
  60   1              TMOD|=0x1;      //16Bit
  61   1              Count1ms=10;
  62   1              TR0 = 0;                                // STOP Timer0
  63   1              TH0 = (-SYSCLK/1000) >> 8;              // set Timer0 to overflow in 1ms
  64   1              TL0 = -SYSCLK/1000;
  65   1              TR0 = 1;        // START Timer0
  66   1              IE|= 0x2; 
  67   1      }
  68          
  69          unsigned int Count1s=1000;
  70          unsigned int SaveMotorCount,MotorCount=0;
  71          
  72          sfr16 DAC0  = 0xd2;                 // DAC0 data
  73          
  74          #define SetSpeed 100
  75          
  76          unsigned int iDAC0=2048;
  77          int SD;
  78          void Timer0_ISR (void) interrupt 1  //1ms
  79          {
  80   1              TH0 = (-SYSCLK/1000) >> 8;  
  81   1              TL0 = -SYSCLK/1000;
  82   1              if (Count1ms) Count1ms--;
  83   1              if (Count1s) Count1s--;
  84   1              else
  85   1              {
  86   2                      Count1s=1000;
  87   2                      SaveMotorCount=MotorCount;
  88   2                      MotorCount=0;
  89   2                      SD=SaveMotorCount-SetSpeed;
  90   2                      if (SD)
  91   2                      {
  92   3                              if ((SD>5)||(SD<-5))
  93   3                                      iDAC0-=SD*4;
  94   3                              else
  95   3                                      iDAC0-=SD;
  96   3                              DAC0=iDAC0;
  97   3                      }
  98   2              }
  99   1      }
 100          
 101          void Int0_ISR (void) interrupt 0  
 102          {
 103   1              MotorCount++;
 104   1      }
 105          
 106          void Delay1ms(unsigned char T)
 107          {
 108   1              Count1ms=T;
 109   1              while (Count1ms);
 110   1      }
 111          
 112          void Delay1s(unsigned char T)
 113          {
 114   1              while (T)
 115   1              {
 116   2                      Delay1ms(200);
 117   2                      Delay1ms(200);
C51 COMPILER V6.23a  INIT                                                                  10/29/2002 22:19:09 PAGE 3   

 118   2                      Delay1ms(200);
 119   2                      Delay1ms(200);
 120   2                      Delay1ms(200);
 121   2                      T--;
 122   2              }
 123   1      }
 124          char GetKeyValue(void);
 125          void Test7279(bit LoopFlag);
 126          void DispLED(char *DispBuf,char ShowDot);       //ShowDot 显示小数点位 
 127          void TestMotor(void);
 128          
 129          void main (void) 
 130          {
 131   1      
 132   1              WDTCN = 0xde;
 133   1              WDTCN = 0xad;           //关看门狗
 134   1              SYSCLK_Init ();         //初始化时钟
 135   1              Timer0_Init();                  //初始化定时器
 136   1              PORT_Init ();           //初始化IO口
 137   1              SPI0_Init ();           //初始化SPI0
 138   1              CPT1CN|=0x80;                   //使能比较器1
 139   1              REF0CN = 0x07;                  //使能片内参考电压
 140   1              DAC0CN |= 0x80;                 //使能DAC0
 141   1              DAC0H=0;        DAC0L=0;
 142   1      
 143   1              IT0=1;
 144   1              IE |= 0x01;     //使能INT0中断
 145   1              EA=1;                   //开中断
 146   1      
 147   1              Test7279(0);
 148   1              TestMotor();
 149   1      }
 150          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    352    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     11    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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