/*
* Test of Arduino LCD library for display that uses NEC uPD7228 (or uPD16434) chips
* 
* Author Tony Wills
* Licensed CC-BY-SA
*
* 20180128 Initial release version 1.00
* 20180131 Testing for data plot routine, versiom 1.10
* 20180201 Testing for bar graph routine, versiom 1.20
* see http://www.arduino.scorchingbay.nz (or an archive.org copy) for more information
*/

#include "Arduino.h"
#include "LiquidCrystal_7228.h"

int i;
LiquidCrystal_7228 lcd(5, 2, 3, 4, 6, 9, 10, 11, 12, 13);
//(bsy, stb, cs, c_d, rst, clk, d0, d1, d2, d3)

void setup()
{
  // Serial.begin(9600);                                 // Open debugging output
  // Serial terminal output eventually causes clock to stop or program to lockup
  Serial.println("7228 test");
  lcd.begin(20, 2);                                      //LCD initialization
  lcd.println("Testing");
  delay(1000);
}


void loop()
{
  //----- Character string output
/*  
  for (i = 0; i <= 3; i++) {
    lcd.clear();                                         //clear screen
    lcd.setCursor(i * 5, 0);                             //cursor position
    lcd.println("LCD TEST !");
    delay(500);
  }

  lcd.home();
  for (int j=0; j<2; j++) {
    lcd.println("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
  }
  delay(2000);
  lcd.clear();
*/
  lcd.clear();
  lcd.dataMode(auto_dec);
  for (int j=0; j<100; j++ ) {
    lcd.barGraph(random(40),0);
    lcd.barGraph(random(40),1);
    delay(10);
  }
  delay(200);
  lcd.noDataMode();
  lcd.clear();
  lcd.dataMode(auto_dec);
  for (int j=0; j<100; j++ ) {
    for (int i=0; i < 40; i++) {
      lcd.barGraph(i,1);
      lcd.noDataMode();
      lcd.setCursor(0,0);
      lcd.print("x: ");
      lcd.print(i);lcd.print(" ");
      lcd.dataMode(auto_dec);
      if ((i==25)) delay(10000);
      delay(20);
    }
    delay(2000);
    for (int i=39; i >= 0; i--) {
      lcd.barGraph(i,1);
      delay(20);
    }

  }
  delay(20000);
  lcd.dataMode(auto_none);
  for (float k=2.0;k<10.0;k=k+1.0) {
    for (int i=0; i<120; i++) {
      int j = round((sin(((i)/k))+1) *9.5);
      lcd.dataPlot(i,j,0);
//      for (int n=0;n<=j;n++) {
//        lcd.dataPlot(i,n,1);
        delay(1);
//      }     
    }
//    for (int i=0; i<120; i++) {
//      int j = round((sin(((i)/k))+1) *9.5);
//      lcd.dataPlot(i,j,0);
//      for (int n=0;n<=j;n++) {
//        lcd.dataPlot(i,n,1);
//        delay(10);
//      }     
//    }
    lcd.noDataMode();
    lcd.setCursor(9,0);
    lcd.print("Test :");
    lcd.print(k);
    lcd.dataMode( auto_none );
    delay(20000);
  }
  int k=2;
  for (int m=0; m<120; m++) {
    int j=0;
    for (int i=0;i<120;i++) {
//      for (int n=0;n<=j;n++) {
//        lcd.dataPlot((i+m) % 120,n,1);
      lcd.dataPlot((i+m) % 120,j,1);
//        delay(10);
//      }
      j=j+k;
      if ((j>=19) || (j<=0)){
        k=0-k;
      }
    }
  delay(100);
  }
  lcd.noDataMode();
  delay(1000);
/*
  for (int j = 0; j < 2; j++) {
    if (j==0) {
      lcd.noCursor();
    } else {
      lcd.cursor();
      lcd.clear();
      lcd.println("Now with cursor:");
//      lcd.setCursor(0,1);
      lcd.print("Turn it on and off");
      for (i=0; i<=10; i++) {
        lcd.noCursor();
        delay(200);
        lcd.cursor();
        delay(200);
      }
      delay(5000);
    }
    lcd.clear();
    lcd.leftToRight();
    lcd.println("Long lines are truncated");
    delay(2000);
    lcd.clear();
    lcd.println("Unless autoscroll on");
    lcd.autoScroll();
//    lcd.setCursor(0, 1);
    for (i = 0x20; i <= 0x7f; i++) {
      lcd.write(i);                                      //ASCII display
      delay(100);
    }
    lcd.noAutoscroll();
    delay(2000);
    lcd.home();
    lcd.println("Or manual scroll:");
//    lcd.setCursor(0, 1);
    lcd.lineWrap();
    for (i = 0; i < 10; i++) {
      lcd.scrollDisplayLeft();
      delay(100);
    }
    delay(500);
    for (i = 0; i < 10; i++) {
      lcd.scrollDisplayRight();
      delay(100);
    }
    delay(500);
    for (i = 0; i < 10; i++) {
      lcd.scrollDisplayLeft();
      delay(100);
    }
    delay(500);
    for (i = 0; i < 10; i++) {
      lcd.scrollDisplayRight();
      delay(100);
    }
    delay(2000);
    lcd.home();
    lcd.println("Without line wrap:");
    lcd.noLinewrap();
//    lcd.setCursor(0, 1);
    for (i = 0; i < 10; i++) {
      lcd.scrollDisplayLeft();
      delay(100);
    }
    delay(500);
    for (i = 0; i < 10; i++) {
      lcd.scrollDisplayRight();
      delay(100);
    }
    delay(500);
    for (i = 0; i < 10; i++) {
      lcd.scrollDisplayLeft();
      delay(100);
    }
    delay(500);
    for (i = 0; i < 10; i++) {
      lcd.scrollDisplayRight();
      delay(100);
    }
    delay(2000);

    lcd.clear();
    lcd.println("Right to left text  ");
//    lcd.setCursor(0, 1);
    lcd.rightToLeft();
    lcd.autoScroll();
    delay(2000);
    for (i = 0xa0; i <= 0xdf; i++) {
      lcd.write(i);                                      //Katakana display
      delay(100);
    }
    lcd.leftToRight();
    lcd.noAutoscroll();
    delay(1000);

    lcd.clear();
    lcd.println("Can println and");
    lcd.println("have it scroll up...");
    delay(2000);
    lcd.println("as you write lines");
    delay(500);
    lcd.println("and more lines");
    delay(500);
    lcd.println(" and more lines");
    delay(500);
    lcd.println("  and more lines.");
    delay(5000);
  }
*/
}