Sample Code shows tester_init.h what is it

FrancoArdito

• October 24, 2014 09:07

I am a newbee to the world of Microcontrollers.
I have a NHD-0216K3Z-NS(RGB)-FBW-V3 that I am trying to use in my project.
I looked at the sample code for Serial LCD on the web site and I see this line in the code

#include "e:\2321_tester\tester_init.h"                      

What does it contain or where can I get a copy?

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• 

  Michael_L

  • October 24, 2014 10:07

  That file is unavailable and is not relevant for the example code for the display.  I have included below another example program written for the Arduino, this should help you get this display working:

  //---------------------------------------------------------
  /*
  NHD_0216K3Z_mega.ino
  Program for writing to Newhaven Display 2 x 16 (K3Z) Character LCD with PIC16F690 controller
  
  (c)2014 Mike LaVine - Newhaven Display International, LLC.
  
          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, or
          (at your option) any later version.
  
          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.
  */
  //---------------------------------------------------------
  
  #include <Wire.h>
  
  int ASDA = 20;      // SDA signal connected to pin 20 (SDA) of Arduino Mega 2560
  int ASCL = 21;      // SCL signal connected to pin 21 (SCL) of Arduino Mega 2560
  
  unsigned char text1[]={"Newhaven Display"};
  unsigned char text2[]={" International  "};
  
  unsigned char tx_packet[]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
  
  const char slave2w = 0x28;   //0x50 shifted over 1 bit
  
  void send_packet(unsigned char x)
  {
    unsigned char ix;
    Wire.beginTransmission(slave2w);
    for(ix=0;ix<x;ix++)
    {
      Wire.write(tx_packet[ix]);
    }
    Wire.endTransmission();
  }
  
  void lcd_cursor(unsigned int x)
  {
    tx_packet[0] = 0xFE;
    tx_packet[1] = 0x45;
    tx_packet[2] = x;
    send_packet(3);
  }
  
  void lcd_clear(void)
  {
    tx_packet[0] = 0xFE;
    tx_packet[1] = 0x51;
    send_packet(2);
  }
  
  void setup()       //runs first when powered on
  {
    pinMode(ASCL, OUTPUT);      //set Arduino I2C lines as outputs
    pinMode(ASDA, OUTPUT);      //
    digitalWrite(ASCL, LOW);    //
    digitalWrite(ASDA, LOW);    //
    delay(100);    //100ms delay
  }
  
  void loop()
  {
    Wire.begin();             //initialize Arduino I2C
    TWBR = 152;               //change Arduino Mega 2560 I2C clock frequency from 100kHz to 50kHz
    lcd_clear();
   
    tx_packet[0] = 0xFE;
    tx_packet[1] = 0x52;
    tx_packet[2] = 40;        //contrast 1 - 50
    send_packet(3);
   
    tx_packet[1] = 0x53;     
    tx_packet[2] = 15;        //backlight 1 - 15
    send_packet(3);
   
    tx_packet[1] = 0x48;      //underline cursor off
    send_packet(2);
   
    tx_packet[1] = 0x46;      //cursor home
    send_packet(2);
   
    delay(250);
   
    while(1)
    {
    for(unsigned char i=0;i<16;i++)
    {
      tx_packet[i] = text1[i];
    }
    send_packet(16);
   
    lcd_cursor(0x40);
    delay(100);  //100ms delay
   
    for(unsigned char i=0;i<16;i++)
    {
      tx_packet[i] = text2[i];
    }
    send_packet(16);
    delay(1000);
    }
  }

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• 

  FrancoArdito

  • October 24, 2014 12:07

  Michael_L thank you  for the reply. The code you sent gave me some insight to how to use the LCD display.
  
  The chip I am using is the PIC 18F14K22 so I guess I will figure it out.

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