#include <float.h>

#define BAUDRATE  115200
#define SYSCLK    22118400

//PROTOTYPES
//-----------------------------------------------------------------------------

_sfrbit LED	_atbit( P1,6 );

void PORT_Init (void);
void oscillator_Init (void);
void Init_Device (void);
void Timer_Init (void);
void Interrups_Init (void);
void UART_Init (void);

_regparm int _iowrite( int c, FILE *stream )
{

	/* when using the serial port as output  */
	while( !TI0 );	/* wait for TI  */
	TI0 = 0;		/* reset TI  */
	SBUF0 = c;	/* write character  */

	return( c );	/* return written character on success  */

}				 

unsigned int Z;	
unsigned int A;		  
unsigned int TimerVal;

	
void main (void){
	 
	

    WDTCN = 0xde;							  // Watchdogtimer ausschalten
    WDTCN = 0xad;

    Init_Device();
    
    EA=1;

While (1)
{

if (TF2){

A++;
}
TR2=0;


	printf("\n\rTimer2: %u",A);
		 
		
};

}
  

void PORT_Init (void){

	    XBR0      = 0x0C;
	    XBR1      = 0x14;	// ist die Belegung für /InT0 und /Int1 	
	    XBR2      = 0x40;
	                       
	    P0MDOUT   = 0x05;
	    P1MDOUT   = 0x40; 
			  
}

void UART_Init(){

    	PCON      = 0x80;
    	SCON0     = 0x50;
	TI0 	  = 1;

}

void oscillator_Init (void){

    
	int i = 0;
    OSCXCN    = 0x67;
    for (i = 0; i < 3000; i++);  // Wait 1ms for initialization
    while ((OSCXCN & 0x80) == 0);
    OSCICN    = 0x88;

}


void Interrupts_Init(){

    IE        = 0x85;
}


void Timer_Init (void){

    CKCON     = 0x10;
    TCON      = 0x05;
    TMOD      = 0xA9;
    TH1       = -(SYSCLK/BAUDRATE/16);
    TR1	      = 1;
    TR2	      = 1;
	
	   }
	

	   	


void Init_Device (void) {
oscillator_Init();
PORT_Init();
Timer_Init();
UART_Init(); 
Interrupts_Init();


}