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init.h

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/***************************************************************************
                          init.h  -  description
                             -------------------
    begin                : Fri May 17 2002
    copyright            : (C) 2002 by Raphael Zulliger
    email                : zulli@hsr.ch
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This library is Copyright (c) Raphael Zulliger <zulli@gmx.net>.       *
 *   It is licensed under the GNU Library General Public License (LGPL).   *
 *                                                                         *
 ***************************************************************************/


#ifndef __init_h__
#define __init_h__

#include <def.h>
 
enum eBaudRate { b10kBit=10, b20k=20, b50k=50, b100k=100, b125k=125, b250k=250, b500k=500, b800k=800, b1M=1000 };

typedef struct td_s_sInitParameter
{
    BYTE    bNodeID;        
    WORD    wBaudRateIndex;
    WORD    wProcSpeed;
    BYTE    bIRQ;           
    WORD    wIO;            
} sInitParameter;


BYTE initConnection( sInitParameter* initParameter );

void closeConnection( void );


// variable which holds the node-id of this device
extern BYTE bDeviceNodeId;          
extern BYTE bStateMachineState;



// defines for the state-machine
// -----------------------------
// state-change commands
#define START_REMOTE_NODE               0x01

#define STOP_REMOTE_NODE                0x02

#define ENTER_PRE_OPERATIONAL_STATE     0x80

#define RESET_REMOTE_NODE               0x81

#define RESET_REMOTE_COMMUNICATION      0x82

// possible state machine states
// values are choosen so, that they can be sent directly for
// heartbeat messages...
#define OPERATIONAL                     (BYTE)0x05

#define STOPPED                         (BYTE)0x04

#define PRE_OPERATIONAL                 (BYTE)0x7F

#define INITIALISATION_NODE             (BYTE)0x00

#define INITIALISATION_COMMUNICATION    (BYTE)0x10

#endif // __init_h__

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