245mf.c

来自「c8051最小系统板的个部分调试」· C语言 代码 · 共 56 行

#include "C8051F120.h"
unsigned char i=0;
sbit p00=P0^0;


void Timer_Init()
{
    SFRPAGE   = TIMER01_PAGE;
    TMOD      = 0x01;
	 
}


void Oscillator_Init()
{
    SFRPAGE   = CONFIG_PAGE;
    OSCICN    = 0x83;
}



void Interrupts_Init()
{
    IE        = 0x82;
}


void Init_Device(void)
{  	
     Oscillator_Init();
      Timer_Init();

	  Interrupts_Init();
}



void  t0(void)  interrupt 1
{i++;} 

 main()
 {	float f=0;
  WDTCN=0xde;
  WDTCN=0xad;
  Init_Device( );
    while(p00);
    while(!p00); 
	TR0=1;
	while(p00);
	while(!p00);
	TR0=0;
	f=24500000.0*1.0099/(i*65536.0+TH0*256.0+TL0)/12.0;

   
   while(1);
    }