Arduino Code for Nokia 5110 LCD

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Eric
Posts: 164
Joined: Fri Feb 21, 2014 4:52 pm

Arduino Code for Nokia 5110 LCD

Post by Eric » Thu Apr 16, 2015 8:48 pm

Sharing the basic code I have for my Nokia 5110 projects. You will need the Adafruit library for these ones . Credit given in the code to original authors. Enjoy!

This is the uber simple starter code so people can get an idea how the structure is set up:

Code: Select all

/*


This is a work in progress but hopefully it will help someone else by providing
a base to start and work from.
Please check out my Youtube videos here and consider a thumbs up if this helped you!
Youtube : http://www.youtube.com/user/Shadow5549
Website, Forum and store are at http://mkme.org

Pin 11 for PWM LCD backlight on the Nokia 5110
pin 7 - Serial clock out (SCLK)
pin 6 - Serial data out (DIN)
pin 5 - Data/Command select (D/C)
pin 4 - LCD chip select (CS)
pin 3 - LCD reset (RST)
*/


#include "Adafruit_GFX.h"
#include "Adafruit_PCD8544.h"
Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3);//4 and 3 are reversed on the cheap eBay models

void setup() {
  
  Serial.begin(9600);
  analogWrite(11,220);// PWM of LCD backlight but ebay unit is backwards- 
  //must go high + cycle to dim 
  //Very Dim=230
  Serial.println("Running..."); 
  display.begin();//Display code
  display.setContrast(60);//Nokia 5110 works best around 50- change to suit your unit
  delay(1000);
  display.clearDisplay();     // clears the screen and buffer
  display.setTextSize(1);     // set text size
  display.setTextColor(BLACK);
  //delay(1000);
  // Splash Screen- taken from example code
  display.setTextSize(1);
  display.setTextColor(BLACK);
  display.setCursor(0,0);//set cursor top left
  display.println("   Eric's");//Prints the first line then a line break- leave off the ln characters to continue on the same line!
  display.println("");
  display.println("   Gizmos");
  display.println("   DooDad");
  display.println("   Thingy");
  display.display();//this command writes all the preceeding info to the lcd
  delay(2000);//wait 2 seconds
  display.clearDisplay();     // clears the screen and buffer
 
}

void loop() {
 
LCDDisplay();

}

void LCDDisplay(){
  display.clearDisplay();              // clears the screen and buffer
  display.setCursor(0,0);
  display.println(" Analog Pin 0");
  //display.setCursor(5, 1);
  display.println ("");
  int sensorValue = analogRead(A0);
  display.setTextSize(2);     // set text sizebigger
  display.println(sensorValue);//print the pin value driectly
  display.setTextSize(1); //set text size back smaller
  display.println("Raw Value");
  display.display();
  //delay(2000);
}
    
  
   

Here is the basic scope code:

Code: Select all

/* 
This is my version of the Arduino oscilloscope code.  This file is strictly the display code for 
one analog channel.  It will soon be merged into my data logger project.

This is shared so others may incorporate the display code into their projects.  It has been modified to 
play nice with the Adafruit 5110 LCD library.

This is a work in progress but hopefully it will help someone else by providing
a base to start and work from.

Please check out my Youtube videos here and consider a thumbs up if this helped you!
Youtube : http://www.youtube.com/user/Shadow5549

Original code comment text:
###########################################################
  Title:       Arduino Uno 3V Oscilloscope
  Purpose:     Use a Nokia 5110 LCD screen with the arduino
  Created by:  Brian O'Dell from the Fileark Arduino Oscilloscope.
  Note:        Please reuse, repurpose, and redistribute this code.
  Note:        This code uses the Adafruit PDC8544 LCD library  
###########################################################
 */
#include "Adafruit_GFX.h"
//#include "PCD8544.h"
#include "Adafruit_PCD8544.h"

// pin 2 - Serial clock out (SCLK)
// pin 3 - Serial data out (DIN)
// pin 5 - Data/Command select (D/C)
// pin 7 - LCD chip select (CS)
// pin 6 - LCD reset (RST)
Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3);

//Analog Pins
int channelAI = A0;      // probe
int delayAI = A1;       // delay potentiometer

float delayVariable =5; // 10 seems good for decent update- bit fast
float scale = 0;
int xCounter = 0;
int yPosition = 0;
int readings[85];
int counter = 0;

void setup() {
analogWrite(11,220);// PWM of LCD backlight but ebay unit is backwards- 
  //must go high + cycle to dim 
  //Very Dim=230
  
   
  Serial.begin(128000); // opens serial port, sets data rate to 9600 bps
  Serial.println("CLEARDATA");
  Serial.println("LABEL,TIME,A0,A1,A2,A3,A4,A5");
  
  display.begin();//Display code
  display.setContrast(50);//Nokia 5110 works best at 50- no more flicker
  delay(1000);
  display.clearDisplay();     // clears the screen and buffer
  display.setTextSize(1);     // set text size
  display.setTextColor(BLACK);
  //delay(1000);
  
  
   // Splash Personal- taken from example code
  display.setTextSize(1);
  display.setTextColor(BLACK);
  display.setCursor(0,0);
  display.println("   Eric's");
  display.println("");
  display.println("   Ardruino");
  display.println("     Data");
  display.println("    Logger");
  display.display();
  delay(1000);
  display.clearDisplay();     // clears the screen and buffer
 
}


void loop() 
{  
  
  //delayVariable = analogRead(delayAI);
  //delayVariable = (delayVariable/10);
  scale = 47.0/1023.0; 
  // commented out above delay items as no pot/encoder installed yet
  
  
  //record readings
  for(xCounter = 0; xCounter < 85; xCounter += 1)
    {                                 
      yPosition = analogRead(channelAI);
      readings[xCounter] = (yPosition*scale);
      delay (delayVariable);
    }
  
  display.clearDisplay();

  //Draw Voltage Ref Lines
  display.drawLine( 10, 0, 10, 47, BLACK);
  display.drawLine( 5, 47-(.166 *1023.0 * scale), 10, 47-(.166 *1023.0 * scale), BLACK);
  display.drawLine( 0, 47-(.33 *1023.0 * scale), 10, 47-(.33 *1023.0 * scale), BLACK);
  display.drawLine( 5, 47-(.5 *1023.0 * scale), 10, 47-(.5 *1023.0 * scale), BLACK);
  display.drawLine( 0, 47-(.66 *1023.0 * scale), 10, 47-(.66 *1023.0 * scale), BLACK);
  display.drawLine( 5, 47-(.84 *1023.0 * scale), 10, 47-(.84 *1023.0 * scale), BLACK);

  for(xCounter = 0; xCounter < 85; xCounter += 1)
    {
       display.drawPixel(xCounter, 47-readings[xCounter], BLACK);
       if(xCounter>1){
         display.drawLine(xCounter-1, 47-readings[xCounter-1], xCounter, 47-readings[xCounter], BLACK);
       }
    }
  
  display.display();     
} 


I make videos and content on all things electronics, 3D prining and "Maker"
http://www.mkme.org
https://www.youtube.com/mkmeorg

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