//********************************//
/*								  */
/* Soubor: xbee_api.h			  */
/*								  */
/* Knihovna pro Xbee moduly		  */
/* Marek Frelich				  */
/* Projekt MMIA					  */
/* Datum: 5.5.2012				  */
/*								  */
//********************************//

#ifndef _XBEE_API
#define _XBEE_API

#include <avr/io.h>

//--------------------------------   Definice konstant   ------------------------------//

#define F_OSC 14745600		//frekvence oscilátoru v Hz

// Nastavení USART

//#define USART0	// definice USART0 nebo USART1
#define USART1

#ifdef USART0
	#define US_INT		USART0_RX_vect
	#define UDR			UDR0
#endif
#ifdef USART1
	#define US_INT		USART1_RX_vect
	#define	UDR			UDR1
#endif

#define US_UBR		(F_OSC/(16*38400))-1

// Prvky Xbee paketu
#define START_DELIMITER		0x00
#define LENGTH_MSB			0x01
#define LENGTH_LSB			0x02
#define FRAME_TYPE			0x03
#define FRAME_ID			0x04

// Příkazy Xbee
#define XBEE_DELIMITER		0x7E
#define AT_COMAND			0x08
#define TRANSMIT_REQ		0x10
#define REM_AT_COMAND		0x17
#define AT_RESPONSE			0x88
#define MODEM_STATUS		0x8A
#define TRANSMIT_STATUS		0x8B
#define RECEIVE_PACKET		0x90
#define RECEIVE_IO			0x92
#define REMOTE_AT_RESPONSE	0x97
#define XBEE_ADDRESS		0x05
#define NTW_ADDRESS			13

// Maximální délka paketu
#define XBEE_PACKET_LENGTH	100

// Hodnoty které vracejí funkce
#define ERROR		1
#define OK			0
#define OK_DATA		2

#define FALSE		0
#define TRUE		1


//--------------------------------   Deklarace funkcí   -------------------------------//
void Xbee_Send_AT (uint8_t AT_1, uint8_t AT_2, uint8_t value, uint8_t value_en);
void Xbee_Transmit (uint8_t *address, uint8_t *network, uint8_t *data, uint8_t count_data); 
void Xbee_Send_Remote_AT (uint8_t *address, uint8_t *network, uint8_t AT_1, uint8_t AT_2,
							 uint8_t value, uint8_t value_en);
uint8_t Xbee_AT_Response (uint8_t *data);
uint8_t Xbee_Status (uint8_t *data);
uint8_t Xbee_Transmit_Status (uint8_t *data);
uint8_t Xbee_Receive (uint8_t *data);
uint8_t Xbee_Receive_IO (uint8_t *data);
uint8_t Xbee_Remote_AT_Response (uint8_t *data);
uint8_t CRC_Count(uint8_t *data, uint8_t count);
void USART_Send (uint8_t *data, uint8_t length);
void Init (void);

#endif