util.h

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/*
       File: util.h
 Programmer: Ricardo Castro
Description: some util stuff for comunication and other propose
   revision: 0.06

*/

#ifndef __UTIL_H__
#define __UTIL_H__

#include <avr/io.h>
#include <stdlib.h>
#include <inttypes.h> 
#include <avr/delay.h>
#include <avr/pgmspace.h>

// configurations masks for communications
// mode select
#define ASYNC_MODE              (0<<UMSEL)      // asynchronous mode
#define SYNC_MODE               (1<<UMSEL)  // synchronous mode
// parity mode 
#define PARITY_DISABLE  (0<<UPM1 | 0<<UPM0)
#define PARITY_EVEN             (1<<UPM1 | 0<<UPM0)
#define PARITY_ODD              (1<<UPM1 | 1<<UPM0)
// stop bits
#define STOP_BITS1              (0<<USBS)       // 1 stop bit
#define STOP_BITS2              (1<<USBS)       // 2 stop bits
// character size
#define DATA_SIZE8              (0<<UCSZ2 | 1<<UCSZ1 | 1<<UCSZ0)  // 8 bits
#define DATA_SIZE9              (1<<UCSZ2 | 1<<UCSZ1 | 1<<UCSZ0)  // 9 bits

void USART_Init(unsigned int uiBaud, unsigned char ucConf);

// TxStr_P
// Description: Transmit string defined on Flash memory
// Example: TxStr_P("Hello World!");
#define TxStr_P( _PSTR_ ) _TxStr_P( PSTR(_PSTR_) )
void _TxStr_P(const char *str_flash);

void TxChar( unsigned char ucData);
void TxStr(const char * strBuff);
void TxUint(uint16_t number);
void TxEol(void);
void TxHex(unsigned char ucData);

unsigned char RxChar( void );

//d miliseconds
void delay(uint16_t d);
//d in microseconds
void delay_u(uint16_t d);

/****************************************************************
*                    DEBUG STUFF
******************************************************************/

#ifdef DEBUG

#define TxStrk(_str_)   TxStr(_str_)
#define TxStrk_P(_str_)   TxStr_P(_str_)
#define TxUintk(_uint_) TxUint(_uint_)
#define TxEolk()            TxEol()
#define TxHexk(_uint_)  TxHex(_uint_)
#define TxChark(_char_) TxChar(_char_)

#else 

#define TxStrk(_str_)
#define TxStrk_P(_str_)
#define TxUintk(_uint_)
#define TxEolk()
#define TxHexk(_uint_)
#define TxChark(_char_)

#endif

#endif

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