C51 COMPILER V6.12  INIT                                                                   05/25/2006 16:46:42 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE INIT
OBJECT MODULE PLACED IN Init.OBJ
COMPILER INVOKED BY: c:\KEIL\C51\BIN\C51.exe Init.c DB OE

stmt level    source

   1          #include "c8051f020.h"  
   2          #include <intrins.h>              
   3          //#include "I2C.c"
   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 V6.12  INIT                                                                   05/25/2006 16:46:42 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 TestI2C (void);
  95          
  96          void I2c_init(void );
  97          
  98          void main (void) 
  99          {  //
 100   1      	WDTCN = 0xde;
 101   1      	WDTCN = 0xad;           //關看門狗
 102   1      	SYSCLK_Init ();         //初始化時鐘
 103   1      	Timer0_Init();			//初始化定時器
 104   1      	PORT_Init ();           //初始化IO口
 105   1      	SPI0_Init ();           //初始化SPI0
 106   1      
 107   1      	CPT1CN|=0x80;	//使能比較器1
 108   1      	REF0CN = 0x03;  //使能片內參考電壓
 109   1      	DAC0CN |= 0x80;	//使能DAC0
 110   1      	DAC0H=0;	DAC0L=0;
 111   1      
 112   1      	EA=1;
 113   1      	                          						// Set internal oscillator to highest setting														// (16 MH	XBR0
             - |= 0x07;									// Route SMBus to GPIO pins through crossbar	XBR2 |= 0x44;																					// Enable crossbar and 
             -weak pull-ups
 114   1      
 115   1        
C51 COMPILER V6.12  INIT                                                                   05/25/2006 16:46:42 PAGE 3   

 116   1        I2c_init() ;
 117   1      	while(1)
 118   1      	{					//開中斷
 119   2      	TestI2C();
 120   2      	}
 121   1      }
 122          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    193    ----
   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)