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/*****************************************************************************

 *   Copyright (C) 2008 Thomas Kaiser, thomas@ft-fanpage.de                  *

 *   Copyright (C) 2009 Peter "woggle" Mack, mac@denich.net                  *

 *   Copyright (C) 2011 Christian "Cebra" Brandtner, brandtner@brandtner.net *

 *   Copyright (C) 2011 Harald Bongartz                                      *

 *                                                                           *

 *   This program is free software; you can redistribute it and/or modify    *

 *   it under the terms of the GNU General Public License as published by    *

 *   the Free Software Foundation; either version 2 of the License.          *

 *                                                                           *

 *   This program is distributed in the hope that it will be useful,         *

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *

 *   GNU General Public License for more details.                            *

 *                                                                           *

 *   You should have received a copy of the GNU General Public License       *

 *   along with this program; if not, write to the                           *

 *   Free Software Foundation, Inc.,                                         *

 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.               *

 *                                                                           *

 *                                                                           *

 *   Credits to:                                                             *

 *   Holger Buss & Ingo Busker from mikrokopter.de for the MK project + SVN  *

 *                          http://www.mikrokopter.de                        *

 *   Gregor "killagreg" Stobrawa for his version of the MK code              *

 *   Thomas Kaiser "thkais" for the original project. See                    *

 *                          http://www.ft-fanpage.de/mikrokopter/            *

 *                          http://forum.mikrokopter.de/topic-4061-1.html    *

 *   Claas Anders "CaScAdE" Rathje for providing the font and his C-OSD code *

 *                          http://www.mylifesucks.de/oss/c-osd/             *

 *   Harald Bongartz "HaraldB" for providing his Ideas and Code for usibility*

 *****************************************************************************/

#ifndef _BLUETOOTH_H_

#define _BLUETOOTH_H_

#include <avr/io.h>

//#include <common.h>

#define SQUIRREL

#define NUTS_LIST 16

#define EXTENSIONS_LIST 16

#define RXD_BUFFER_SIZE         150

//void InitBT(void);

extern char rx_buffer[RXD_BUFFER_SIZE];

extern volatile uint8_t rx_len;

extern volatile uint8_t rx_ready;

extern uint8_t rx_GPS;

//extern static char start = '$';

//extern static char end = '\n';

extern char data_decode[RXD_BUFFER_SIZE];

extern volatile uint16_t rx_timeout;

extern uint8_t bt_rxerror;

typedef struct _device_info device_info;

// device info struct, holds mac , class and extensions + values of a device

struct _device_info

{

    char DevName[20];

    char mac[14];

//    uint8_t class;

//    uint8_t extension_types[EXTENSIONS_LIST];

//    uint16_t values_cache[EXTENSIONS_LIST];

};

extern uint8_t bt_devicecount;

extern device_info device_list[NUTS_LIST];

#define valid(num) (num < NUTS_LIST && (device_list[num].mac[0] != 0 || device_list[num].mac[1] != 0 || device_list[num].mac[2] != 0 || device_list[num].mac[3] != 0 || device_list[num].mac[4] != 0 || device_list[num].mac[5] != 0 || device_list[num].mac[6] != 0 || device_list[num].mac[7] != 0 || device_list[num].mac[8] != 0 || device_list[num].mac[9] != 0 || device_list[num].mac[10] != 0 || device_list[num].mac[11] != 0))

extern uint16_t bt_receiveNMEA(void);

//extern static communication_mode_t update_comm_mode(uint16_t timeout_ms);

// Bluetooth mode ENUM

typedef enum

{

    BLUETOOTH_MASTER, // < Master Mode (to create outgoinng connections).

    BLUETOOTH_SLAVE   // < Slave Mode (to wait for incoming connections).

} bt_mode_t;

// init bluetooth driver

// @return always true

//

//extern uint16_t bt_init (void (*upate_percentage) (uint16_t));

extern uint16_t bt_init (void);

// Set the Bluetooth mode

// @param mode bt_mode_t Bluetooth Mode ENUM (BLUETOOTH_MASTER or BLUETOOTH_SLAVE)

// @return true if mode change was succesful, false if not

//

extern uint16_t bt_set_mode (const bt_mode_t mode);

// recieve data over bluetooth

// @param data pointer to memory for data storage

// @param length value of length after call holds the actual recived data length

// @param timeout_ms timeout in ms after the recive function aborts and returns with false

// @return false if recived length > length parameter or it timeouted, true otherwise

//

extern uint16_t bt_receive (void * data, uint8_t length, uint16_t timeout_ms);

// send data over bluetooth

// @param data pointer to the data to send

// @param length length of the data to be send

// @return true if sendingn was successful, false otherwise

//

extern uint16_t bt_send (void * data, const uint8_t length);

// squirrelt only functions

#ifdef SQUIRREL

// open bluetoot connection (only one at a time possible)

// @param address connection is opened to this device mac address

// @return true if connection was established, false otherwise

//

extern uint16_t bt_connect (const char *address);

// closes bluetooth connection

// @return false if failed, true otherwise

//

extern uint16_t bt_disconnect (void);

// discover bluetooth devices

// @param result in a 2 dimensional array first index are devicecs (max 8) second is mac address string

// @param update_callback to inform of progress (in % from 0 to 100)

// @return true if successful, false if error occured

//

extern uint16_t bt_discover (char result[8][12]);

//extern uint16_t bt_discover (char result[8][12], void (*update_callback)(const uint16_t progress));

extern void bt_downlink_init(void);        // Auf Master stellen für Devicesuche und GPS Empfang

extern void bt_searchDevice(void);              //Bluetoothgeräte suchen

#endif  // SQUIRREL

#endif