MODBUS_T_1/include/Modbus.h

//////////                 Definiere Header                 //////////
#ifndef MODBUS_H
#define MODBUS_H

//////////           Inkludierte Header-Dateien             //////////
#include <Arduino.h>
#include <SoftwareSerial.h>

//////////                Definierte Symbole                //////////
#define BAUDRATE 9600
#define RX_PIN A0
#define TX_PIN A1
#define TIMEOUT 1000
#define TIMEOUT_NACK 3000
#define TIMEOUT_NACHRICHT 10000
#define LRCVALUE 0x00       // LRC16 Startvalue
#define MAX_DATA 250  
#define PAYLOAD 241
#define BROADCAST_ADRESSE 00
#define NUM_ADDRESSES 8


//////////               Definierte Funktionen              //////////
void RS485_write(byte* buffer, byte bufflen);

void PC_read(byte* buffer, byte* bufflen);
void PC_write(byte* buffer, byte bufflen);
short berechneLRC(byte* buffer, byte start, byte end);
void RS485_read(byte* buffer, byte* bufflen);

void send_Nachricht(byte address[3],byte message[241]);
void allgemein_packet(byte address[3],byte function[2]);
void sendMasterToken(byte newMasterAddress[3]);
//void CLEAR(char* array,byte BUFFLEN);
int pruefeLRC(byte* buffer,byte bufflen);
bool findAddress(const char* address);

//////////            externe Globale Variablen             //////////
//////////                  Header Ende                     //////////
#endif