/* 
 *  Demonstrates how to use LCDisplay in conjunction with SoftRS485:
 *  
 *  The main _loop_ of this program listens on the RS485 bus.
 *  Whenever a message is received from the bus, it is displayed on the LCD.
 */

// include the library code:
#include <LiquidCrystal.h>
#include <SoftRS485.h>

// initialize the library by associating any needed LCD interface pin with the arduino pin number it is connected to
const int rs = 12, en = 11, d4 = 4, d5 = 5, d6 = 6, d7 = 7;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  Serial.begin(115200);  
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("LCDReceive 1.0");
  init485(2,3,8,9); // library initialization:
  // connect pin 2 to RO of Max485
  // connect pin 3 to ^RE of Max485
  // connect pin 8 to DE of Max485
  // connect pin 9 to DI of Max485
}

void loop() {  
  if (available485()) {
    String s = get485message();
    Serial.println(s);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print(s);
    if (s.length()>16) {
      lcd.setCursor(0, 1);
      s=s.substring(16);
      s.trim();
      lcd.print(s);
    }
  }
}