main.lst

使用 Keil uVision2 用C8051F020 用12864显示输出日历 星期 秒表 三个闹铃

C51 COMPILER V7.06   MAIN                                                                  11/02/2006 13:33:12 PAGE 1   


C51 COMPILER V7.06, 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   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 = 0x65;                      // 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    = 0x04;
  33   1         XBR2    = 0x40;                     // Enable crossbar and weak pull-ups
  34   1       //   EMI0CF  = 0x27;
  35   1       //   EMI0TC  = 0x21;
  36   1         EMI0TC  = 0x21;                     
  37   1         EMI0CF  = 0x2f;                     // EMIF端口接到P4－P7，选择复用方式，工作模式为不带块选择。
  38   1         P74OUT  = 0x3F;
  39   1       
  40   1         P0MDOUT = 0x00;
  41   1      
  42   1         P1MDOUT |= 0x1f;                                     //P1.2-P1.5推挽输出
  43   1                                               
  44   1      }
  45          
  46          void SPI0_Init (void)
  47          {
  48   1         SPI0CFG = 0x03;                     // data sampled on 1st SCK rising edge
  49   1                                             // 8-bit data words
  50   1         SPI0CFG|=0xC0;       //CKPOL =1;
  51   1      
  52   1         SPI0CN = 0x03;                      // Master mode; SPI enabled; flags
  53   1                                             // cleared
  54   1         SPI0CKR = SYSCLK/2/8000000-1;       // SPI clock <= 8MHz (limited by 
  55   1                                             // EEPROM spec.)
C51 COMPILER V7.06   MAIN                                                                  11/02/2006 13:33:12 PAGE 2   

  56   1      }
  57          
  58          unsigned char Count1ms;
  59          void Timer0_Init (void)
  60          {
  61   1              CKCON|=0x8;
  62   1              TMOD|=0x1;      //16Bit
  63   1              Count1ms=10;
  64   1              TR0 = 0;                                // STOP Timer0
  65   1              TH0 = (-SYSCLK/1000) >> 8;              // set Timer0 to overflow in 1ms
  66   1              TL0 = -SYSCLK/1000;
  67   1              TR0 = 1;        // START Timer0
  68   1              IE|= 0x2; 
  69   1      }
  70          
  71          void Timer0_ISR (void) interrupt 1  //1ms
  72          {
  73   1              TH0 = (-SYSCLK/1000) >> 8;  
  74   1              TL0 = -SYSCLK/1000;
  75   1              if (Count1ms) Count1ms--;
  76   1      }
  77          
  78          void Delay1ms(unsigned char T)
  79          {
  80   1              Count1ms=T;
  81   1              while (Count1ms);
  82   1      }
  83          
  84          void Delay1s(unsigned char T)
  85          {
  86   1              while (T)
  87   1              {
  88   2                      Delay1ms(200);
  89   2                      Delay1ms(200);
  90   2                      Delay1ms(200);
  91   2                      Delay1ms(200);
  92   2                      Delay1ms(200);
  93   2                      T--;
  94   2              }
  95   1      }
  96          
  97          
  98          void TestLCD(void);
  99          void TestI2C (void);
 100          
 101          void main (void) 
 102          {
 103   1              WDTCN = 0xde;
 104   1              WDTCN = 0xad;           //关看门狗
 105   1              SYSCLK_Init ();         //初始化时钟
 106   1              Timer0_Init();                  //初始化定时器
 107   1              PORT_Init ();           //初始化IO口
 108   1      //      SPI0_Init ();           //初始化SPI0
 109   1      
 110   1      //      CPT1CN|=0x80;   //使能比较器1
 111   1      //      REF0CN = 0x03;  //使能片内参考电压
 112   1      //      DAC0CN |= 0x80; //使能DAC0
 113   1      //      DAC0H=0;   DAC0L=0;
 114   1      
 115   1              EA=1;                                   //开中断
 116   1       //     TestLCD();              //      Test7279(0);
 117   1              TestI2C();
C51 COMPILER V7.06   MAIN                                                                  11/02/2006 13:33:12 PAGE 3   

 118   1      
 119   1      }
 120          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    165    ----
   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)