/***********************************************************************************
Project: 	PRINT USART        
Filename:         PRINTTEST.c

Prozessor:        PIC 16F877
Compiler:         HI-TECH v8.01PL3 Demoprogramm

***********************************************************************************/
#define __16F877

#include <pic.h>
#include <stdio.h>

#include "printtest.h"

__CONFIG(0x3F75); //WDT OFF


#define PORTBIT(adr, bit)	((unsigned)(&adr)*8+(bit))


#define INIT_PORTS {TRISA = 0xFF; TRISB = 0x6F; TRISC = 0xBF; TRISD = 0xFF; TRISE = 0x07;}

//Registers initializations
void RegInit(void);

//Global
static int p;

void putch(char c);
char getch(void);
void _nop_(void);

//----------------------------------------------------------------------------------
main(void)
//----------------------------------------------------------------------------------
{
	RegInit();

	while(1)
	{
		CLRWDT();

		printf("hallo");

		for (p=0;p<16000;p++) {_nop_();}
	}
}


//----------------------------------------------------------------------------------
void RegInit(void)
//----------------------------------------------------------------------------------
{
	//Pull-up za port B
	RBPU = 0;

	// Inicializacija vhodov
	INIT_PORTS;

	// inicializacija serijskega kanala PIC-a
	BRGH=1;		// high baud rate
//	SPBRG=22;	// set the baud rate 22-9600Bd, 11-19200 (3.58MHz)
	SPBRG=25;	// set the baud rate 25-9600Bd (4MHz)
	SYNC=0;		// asynchronous
	SPEN=1;		// enable serial port pins
	CREN=1;		// enable reception
	SREN=0;		// no effect
	TXIE=0;		// disable tx interrupts
	RCIE=0;		// disable rx interrupts
	TX9=0;		// 0-8 or 1-9bit transmission
	RX9=0;		// 0-8 or 1-9bit reception
	TXEN=1;		// enable the transmitter

}

//----------------------------------------------------------------------------------
void putch(char c)
//----------------------------------------------------------------------------------
{	while(!TXIF)continue;	/* set when register is empty */
	TXREG=c;
}

//----------------------------------------------------------------------------------
char getch(void)
//----------------------------------------------------------------------------------
{	while(0); /*(!RCIF)continue;*/	/* set when register is not empty */
	return RCREG;
}

//----------------------------------------------------------------------------------
void _nop_(void)
//----------------------------------------------------------------------------------
{
	asm("nop");
}