Arduino to VGA - Wireless Data Receiver

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
#include <Average.h>
#include <EasyScheduler.h>

Schedular Task1;
Schedular Task2;

// NRF24 RADIO MANAGEMENT
#define CE_PIN   9
#define CSN_PIN 10
const uint64_t pipe = 0xE8E8F0F0E1LL; // Define the transmit pipe
RF24 radio(CE_PIN, CSN_PIN); // Create a Radio

int meteodata[4];  // 4 element array holding Meteodata readings
int signal;

float temp1 = 0;  // variable to store the value coming from the sensor
float temp1K = 0;
float temp1F = 0;
float press1 = 0;
float hum1 = 0;  // variable to store the value coming from the sensor
float addry1 = 0;
float adwet1 = 0;
float vp1 = 0;
float mr1 = 0;
float heat1 = 0;
float ah1 = 0;
float dp1 = 0;
float vpe1 = 0;
float ad1 = 0;
float he1 = 0;
float batPercentage;
float batVoltage;

char temp1f[10];
char hum1f[10];
char batpercentf[10];
char batVoltagef[10];
char vp1f[8];
char mr1f[8];
char heat1f[8];
char ah1f[8];
char dp1f[8];
char vpe1f[8];
char ad1f[8];
char he1f[8];

// CONSTANTS FOR SATURATED VAPOR PRESSURE CALCULATION
float a0 = 6.107799961;
float a1 = 0.4436518521;
float a2 = 0.01428945805;
float a3 = 0.0002650648471;
float a4 = 0.000003031240396;
float a5 = 0.00000002034080948;
float a6 = 0.00000000006136820929;
// CONSTANTS FOR HEAT INDEX CALCULATION
float c1 = -42.379;
float c2 = 2.04901523;
float c3 = 10.14333127;
float c4 = -0.22475541;
float c5 = -0.00683783;
float c6 = -0.05481717;
float c7 = 0.00122874;
float c8 = 0.00085282;
float c9 = -0.00000199;



unsigned long currentTime;
unsigned long loopTime;
unsigned int  counter=0;
unsigned long number_sum=0;
unsigned long number_avg=0;

// Window Creation strings (without initial escape sequence)
char header[]  = {"w,1,0,0,100,3,1,"};                 // no title
char window2[] = {"w,2,0,3,50,32,1,Indoor air data"}; 
char window3[] = {"w,3,50,3,50,32,1,Outdoor air data"};
char window4[] = {"w,4,0,35,100,14,1,Terminal Input"};
char footer[]  = {"w,5,0,49,100,1,0,"};                // no border, no title
// Line colour strings (without initial escape sequence)
char header_colour[]  = {"l,0,2,333,001"};    // White text on purple lines 0-2
char window3_colour[] = {"l,3,32,222,000"};  // white text on blue lines 35-48
char window4_colour[] = {"l,35,48,222,001"};  // white text on blue lines 35-48
char footer_colour[]  = {"l,49,49,000,111"};  // black text on grey line 49

void vga_command(char *command_str) {
   // Function to easily send command to VGA board
   Serial.print("^[");           // send escape sequence
   Serial.println(command_str);  // send Command string
   // Most commands don't take very long, but need a small delay to complete 
   // The Reboot cammand needs 2 seconds
   if(command_str[0]=='r') delay(2000);  // Wait 2 seconds for reboot
   if((command_str[0]=='w') || (command_str[0]=='p')) delay(20);    
													  // Small delay for window commands 
   delay(2);                             // Other commands need a tiny delay    
 
}

void vga_inverse(char *text_str) {
   // Function to write inverse characters to VGA board
   // Makes bit 7 of each character a 1 
   unsigned int i;
   for(i=0;text_str[i] != '\0';i++) {
      text_str[i]=text_str[i] | 0x80;
   }   
   Serial.print(text_str);    
}

void setup() {
  Task1.start();
  Task2.start();
  
//NRF24 RADIO INIT
  radio.begin();
  radio.setPALevel( RF24_PA_MAX );
  radio.setDataRate( RF24_250KBPS);
  radio.setCRCLength( RF24_CRC_8 ) ;
  radio.openReadingPipe(1,pipe);
  radio.startListening();
  
  // initialize
//  vga_command("b,115200");
//  vga_command("r");          // reboot VGA board   
  Serial.begin(115200);      // Set baud rate for serialVGA board
//  vga_command("r");          // reboot VGA board         
  vga_command(header);       // Create header    
//  Serial.print("                        ");
  Serial.print("                                        ATMOSPERIC MONITOR                ");  
  vga_command(window2);      // Create Window2                       
  vga_command(window3);      // Create Window3   
  vga_command(window4);      // Create Window4 
  vga_command("c,4,1");      // Turn text cursor ON in window 4    
  vga_command(footer);       // Create footer   
//  Serial.print(" Hobbytronics Ltd                     www.hobbytronics.co.uk");
//  Serial.print("                         serialVGA demo");  
  vga_command(header_colour);       // header window colour  
//   vga_command(window3_colour);      // window 3 colour
  vga_command(window4_colour);      // window 4 colour    
 // vga_command(footer_colour);       // footer window colour 
  currentTime = millis();
  loopTime = currentTime;

  vga_command("f,3");                  // Set Window3 as focus
  vga_command("p,0,1");
  Serial.print("Temperature");   // print data
  vga_command("p,30,1");
  Serial.print("C");   // print data  
  vga_command("p,0,2");
  Serial.print("Relative humidity");   // print data
  vga_command("p,30,2");
  Serial.print("%");   // print data
  vga_command("p,0,3");
  Serial.print("Absolute humidity");
  vga_command("p,30,3");
  Serial.print("g/m3");   // print data
  vga_command("p,0,4");
  Serial.print("Dew point");   // print data
  vga_command("p,30,4");
  Serial.print("C");   // print data
  vga_command("p,0,5");
  Serial.print("Saturated vapor press.");   // print data
  vga_command("p,30,5");
  Serial.print("hPa");   // print data
  vga_command("p,0,6");  
  Serial.print("Water vapor press."); 
  vga_command("p,30,6");
  Serial.print("hPa");   // print data
  vga_command("p,0,7"); 
  Serial.print("Humidex");
  vga_command("p,30,7");
  Serial.print("C");   // print data
//  vga_command("p,0,8");
//  Serial.print("Enthalphy");  
//  vga_command("p,30,8");
//  Serial.print("kJ/kg");   // print data
  vga_command("p,0,9");  
  Serial.print("Battery voltage");
  vga_command("p,30,9");
  Serial.print("mV");  
  vga_command("p,0,10");  
  Serial.print("Battery status");
  vga_command("p,30,10");
  Serial.print("%");  
}

void loop() {
    Task1.check(funct1,1);
    Task2.check(funct2,1000);  
}  

void funct1() {
   // CALCULATIONS
  temp1K = temp1 + 273.15;                                                // °C to K conversion
  temp1F = temp1 / 5 * 9 + 32.000;
  vp1 = a0 + temp1 * (a1 + temp1 * ( a2 + temp1 * (a3 + temp1 * ( a4 + temp1 * (a5 + a6 * temp1)))));
  vpe1 = (hum1 * vp1) / 100.00;                                            // Water vapor pressure
  mr1 = 621.9907 * vpe1 / (press1 - vpe1);                                  // Mixing ratio
  ah1 = 2.16679 * vpe1 * 100 / temp1K;
  dp1 = (-430.22 + 237.70 * log(vpe1)) / (-log(vpe1) + 19.08) ;            // Dew point
  addry1 = (((press1 * 100) - (vpe1 * 100)) / (287.04597 * (temp1K)));         // Dry air fraction density
  adwet1 = (vpe1 * 100) / (461.495 * (temp1K));                            // Water fraction density
  ad1 = addry1 + adwet1;                                                   // Actual air density
  he1 = temp1 * (1.01 + 0.00189 * mr1) + 2.500 * mr1;
  heat1 = ((c1 + c2 * temp1F+ c3 * hum1 + c4 * temp1F * hum1 + c5 * square(temp1F) + c6 * square(hum1) + c7 * square(temp1F) * hum1 + c8 * temp1F * square(hum1) + c9 * square(temp1F) * square(hum1))-32) / 9 * 5;

  
  
  dtostrf(temp1,5, 2, temp1f);
  dtostrf(hum1,5, 2, hum1f);
  dtostrf(vp1,7, 2, vp1f);
  dtostrf(heat1,7, 2, heat1f);
  dtostrf(ah1,7, 2, ah1f);
  dtostrf(dp1,7, 2, dp1f);  
  dtostrf(vpe1,7, 2, vpe1f);  
  dtostrf(ad1,7, 4, ad1f);  
  dtostrf(he1,7, 3, he1f);  
  dtostrf(batPercentage, 9, 2, batpercentf);
  dtostrf(batVoltage, 9, 3, batVoltagef); 
  
  currentTime = millis();
  
  if(currentTime >= (loopTime + 300)){ 
    // send every half second
    loopTime = currentTime;              // Updates loopTime
/*    
    vga_command("f,2");                  // Set Window2 as focus
    Serial.print("This is data - ");     // print data
    Serial.println(counter, DEC);
*/    
    vga_command("f,3");                  // Set Window3 as focus
    vga_command("p,24,1");                // Set Window3 text position to 0,0
    Serial.print(temp1f);
    vga_command("p,24,2");                // Set Window3 text position to 0,0
    Serial.print(hum1f);
    vga_command("p,22,3");                // Set Window3 text position to 0,0
    Serial.print(ah1f);
    vga_command("p,22,4");                // Set Window3 text position to 0,0
    Serial.print(dp1f);
    vga_command("p,22,5");                // Set Window3 text position to 0,0
    Serial.print(vp1f);
    vga_command("p,22,6");                // Set Window3 text position to 0,0
    Serial.print(vpe1f);
    vga_command("p,22,7");                // Set Window3 text position to 0,0    
    Serial.print(heat1f);    
//    vga_command("p,22,8");                // Set Window3 text position to 0,0
//    Serial.print(he1f);
    vga_command("p,20,9");                // Set Window3 text position to 0,0
    Serial.print(batVoltagef);
    vga_command("p,20,10");                // Set Window3 text position to 0,0
    Serial.print(batpercentf);


/*
    Serial.print("Temperature             ");   // print data    
    Serial.print(temp1f);
    Serial.print(" C");
    vga_command("p,0,2");    
    Serial.print("Relative humidity       ");   // print data    
    Serial.print(hum1f);
    Serial.print(" %");
    vga_command("p,0,3");    
    Serial.print("Absolute humidity     ");   // print data    
    Serial.print(ah1f);
    Serial.print(" g/m3");
    vga_command("p,0,4");
    Serial.print("Dew point             ");   // print data    
    Serial.print(dp1f);
    Serial.print(" C"); 
//    Serial.print("Actual air density  ");   // print data    
//    Serial.print(ad1f);
//    Serial.println(" kg/m3");
    vga_command("p,0,5");
    Serial.print("Saturated vapor press.");   // print data    
    Serial.print(vp1f);
    Serial.print(" hPa");
    vga_command("p,0,6");   
    Serial.print("Watet vapor press.    ");   // print data    
    Serial.print(vpe1f);
    Serial.print(" hPa");
    vga_command("p,0,7");    
    Serial.print("Humidex               ");   // print data    
    Serial.print(heat1f);
    Serial.print(" C");
//    vga_command("p,0,8");   
//    Serial.print("Enthalphy                 ");   // print data    
//    Serial.print(he1f);
//    Serial.println(" kJ/kg");
    vga_command("p,0,9");
    Serial.print("Battery voltage     ");   // print data
    Serial.print(batVoltagef);    
    Serial.print(" mV");
    vga_command("p,0,10");    
    Serial.print("Battery charge      ");   // print data
    Serial.print(batpercentf);    
    Serial.print(" %"); 
*/
  }
/*  
  if (Serial.available() > 0) {
     // Data received into Arduino board, echo'd out to Window 4 (command window)
       int inByte = Serial.read();  
       vga_command("f,4");               // Set Window4 as focus       
       Serial.write(inByte); 
   } 
*/   
}

void funct2() { 
{
  if ( radio.available() )
  {

    // Read the data payload until we've received everything
    bool done = false;
    while (!done)
    {
      // Fetch the data payload
      done = radio.read( meteodata, sizeof(meteodata) );
    signal = 1;
    }
  }
  else
  {    
//meteodata[0];
//meteodata[1];


    //      Serial.println("No radio available");
  }

}//--(end main

temp1 = meteodata[0] / 100.00;      
hum1 = meteodata[1] / 100.00;
batPercentage = meteodata[2] / 100.00;    
batVoltage = meteodata[3] / 1000.00; 
  
}