URM14_RS485

#include <ModbusMaster.h>
//#include <Convert.h>

//Creation of class object
//Convert convert;
#define RXD2 16
#define TXD2 17
//#define RXD1 4
//#define TXD1 2
#define Fk 1
#define maxSerial Serial1

#define MAX485_DE      14
#define MAX485_RE_NEG  14
//int c;
//float cc;
// instantiate ModbusMaster object
ModbusMaster node;

void preTransmission()
{
  digitalWrite(MAX485_RE_NEG, 1);
  digitalWrite(MAX485_DE, 1);
}

void postTransmission()
{
  digitalWrite(MAX485_RE_NEG, 0);
  digitalWrite(MAX485_DE, 0);
}

void setup()
{
  pinMode(MAX485_RE_NEG, OUTPUT);
  pinMode(MAX485_DE, OUTPUT);
  // Init in receive mode
  digitalWrite(MAX485_RE_NEG, 0);
  digitalWrite(MAX485_DE, 0);
  maxSerial.begin(9600, SERIAL_8N1, RXD2, TXD2);
  // Modbus communication runs at 115200 baud
  Serial.begin(9600);
  node.begin(1, maxSerial);
  node.preTransmission(preTransmission);
  node.postTransmission(postTransmission);
}

bool state = true;

void loop()
{
  uint8_t result;
  uint16_t data[6];
  result = node.readHoldingRegisters(0, 9);
  if (result == node.ku8MBSuccess)
  {
    Serial.println(node.getResponseBuffer(0));
    Serial.println(node.getResponseBuffer(1));
    Serial.println(node.getResponseBuffer(2));
    Serial.println(node.getResponseBuffer(3));
    Serial.println(node.getResponseBuffer(4));
    Serial.println(node.getResponseBuffer(5));
    Serial.println(node.getResponseBuffer(6));
    Serial.println("--------------------------------");
  }
  delay(1000);
}