File to drive Rainbowduino from simple serial interface

rainbow_serial.pde

/*
 Rainbowduino v3.0 Library examples:

 Sets pixels on 2D plane (8x8 matrix)

*/

#include <Rainbowduino.h>

uint32_t colorRGB[13] = {0xFFFFFF,0x000000,0xFFFFFF,0x000,0xFF0000,0x00FF00,0x0000FF,0xFF0000,0x00FF00,0x0000FF,0xFF0000,0x00FF00,0x0000FF };

uint32_t colourwhite = 0xFFFFFF;
uint32_t colourgrey = 0x7F7F7F;
uint32_t colourcharcoal = 0x3F3F3F;

// uint32_t colourbrick = 0x1f0F00;
// uint32_t colourroof = 0x2f0F00;
uint32_t colourbrick = 0x1f1f1f;
uint32_t colourroof = 0x1f1f1f;

uint32_t colour0 = 0x0f0F00;
uint32_t colour1 = 0x1f0F00;
uint32_t colour2 = 0x2f0F00;
uint32_t colour3 = 0x3f0F00;
uint32_t colour4 = 0x4f0F00;
uint32_t colour5 = 0x5f0F00;
uint32_t colour6 = 0x6f0F00;
uint32_t colour7 = 0x7f0F00;

unsigned int colour_red = 0;
unsigned int colour_green= 0;
unsigned int colour_blue = 0;

uint32_t colour_palette = 0 ;

// int inByte = 0;         // incoming serial byte
unsigned char x,y,z;

long previousMillis = 0;        // will store last time LED was updated
long interval = 100;           // interval at which to blink (milliseconds)
int wattsDesired = 0000;
int wattsNearest = 0;
int incomingByte = 0;
boolean dataReady = false;
int i = 0;
int len = 4; // expected string is 6 bytes long
char inString[5]; 
char inByte;
char inChar;
int incoming;

 int PWMpin = 3;    // PWM output on pin 3 to MPPT active load
 int PWMval = 0;
 int LEDpin = 5;    // PWM drive to LED driver
 int LEDval = 0;
 int FANpin = 6;    // PWM to fan speed control
 int FANval = 0;
 
 int UPpin = 8;      // Pins for UP and DOWN switches
 int DOWNpin = 9;


int allLamps = B00000000;

byte led1 = 2;
byte led2 = 3;
byte led3 = 4;
byte led4 = 5;
byte led5 = 6;
byte led6 = 7;
byte led7 = 8;
byte led8 = 9;
byte led[] = {
  led1, led2, led3, led4, led5, led6, led7, led8};
byte activeLED = 0;
int temp = 0;
int temp2 = 0;



void setup()
{
  Rb.init();
  
  Serial.begin(9600);      // start serial port at 9600 bps:
  
//  establishContact();  // send a byte to establish contact until receiver responds 
  
  
  // Draw the house

 Rb.drawRectangle(0, 0, 6, 8, colourbrick); // draw a filled rectangle line from (0,0) of length and width 7 pixels
  
   Rb.setPixelXY(6,1,colourroof); //uses R, G and B bytes
//   Rb.setPixelXY(6,2,(0xff),(0xff),(0xFF)); //uses R, G and B bytes
//   Rb.setPixelXY(6,3,(0xff),(0xff),(0xFF)); //uses R, G and B bytes
//   Rb.setPixelXY(6,4,(0xff),(0xff),(0xFF)); //uses R, G and B bytes
//   Rb.setPixelXY(6,5,(0xff),(0xff),(0xFF)); //uses R, G and B bytes
   Rb.setPixelXY(6,6,colourroof); //uses R, G and B bytes
   
//     Rb.setPixelXY(7,1,colourcharcoal); //uses R, G and B bytes
     Rb.setPixelXY(7,2,colourroof); //uses R, G and B bytes
     Rb.setPixelXY(7,3,colourroof); //uses R, G and B bytes
     Rb.setPixelXY(7,4,colourroof); //uses R, G and B bytes
     Rb.setPixelXY(7,5,colourroof); //uses R, G and B bytes
//     Rb.setPixelXY(7,6,colourcharcoal); //uses R, G and B bytes
     
      delay(1000);
      
       Serial.print("Enter Command A-F and number 0 - 255: ");

}


void loop()
{


     
     colour_red= 0; 
     colour_blue=0;
     colour_green=0;
     



 
    
    serialReader();
    
    
    
    
    
    if (dataReady = true) {
      wattsDesired = incoming;
    }


    display_colour();
    
    
  }   //End of loop
 


 int display_colour()
 
 {
  int n=(incoming+256)*30/27;
    
    if(n<=255) {colour_blue = 255 -n; colour_green = n;}
    else { colour_blue = 0;}
  

 //  if(n<=256) {colour_green = n;}
  // else  {colour_green = 0;}
   
   if(n>=256) {colour_red = n - 256; colour_green = 511 -(n);}
   else  {colour_red = 0;}
   
   
   if(n==0) { colour_green = 0; colour_red = 0;}
   
   
    colour_palette = ((65536 * colour_red) + (256*colour_green) + colour_blue);
   
   
   
   Serial.print (colour_red);
   Serial.print ("   ");
   Serial.print (colour_green);
   Serial.print ("   ");
   Serial.print (colour_blue);
   Serial.print ("   ");
   Serial.println (colour_palette);
   
   
   
   
   
   colour_palette = ((65536 * colour_red) + (256*colour_green) + colour_blue);
    Rb.fillRectangle(1, 1, 4, 6, colour_palette); // draw a filled rectangle line from (0,0) of length and width 7 pixels
   
 
  
  }
  


void writeOut () {
  temp = 0;
  byte i = 0;
  byte mask = 0x01;

  while (i < 8) {
    mask = 0x01 << i;
    if (allLamps & mask) {
      digitalWrite(led[i], HIGH);
    }
    else {
      digitalWrite(led[i], LOW);
    }
    i++;
  }
}

int serialReader(){ 
  if  (Serial.available() > 0) { // if there are bytes waiting on the serial port
    inByte = Serial.read(); // read a byte
    delay(10); // *** added to make it work ***

    if (inByte == 13){          //  follow the false code until you get a CR
      dataReady = true;
      inChar = inString[1];     // get the leading character
      inString[1] = 48;          // clear the leading character
      temp = atoi(inString);    // convert ascii to integer
      incoming = temp;

      if (temp > 255) temp = 255;
     
      
      /*
      
       Serial.println(inString[0]);
        Serial.println(inString[1]);
         Serial.println(inString[2]);
         Serial.println(inString[3]);
          Serial.println(inString[4]);
           Serial.println(inString[5]);
      
     */    

  // Action Routines:  Work out the command, the argument and what to do with it
  // Echo the command (verbose form) and value to serial terminal

    switch  (inChar){          //  
    
    case 97:
    
    Serial.print (" Active Load ");
    PWMval = temp;
    analogWrite(PWMpin, PWMval);       // Update the PWM pin
    break;
    
    case 98:
    Serial.print (" Brightness ");
    LEDval = temp;
    analogWrite(LEDpin, LEDval);      // Update the LED brightness
    break;
    
    case 99:
    Serial.print (" Current ");
    
    break;
    
    case 100:
    Serial.print (" Distance ");
    break;
    
    case 101:
    Serial.print (" Echo ");
    break;
    
    case 102:
    Serial.print (" Fan Speed ");
    
    FANval = temp;
    analogWrite(FANpin, FANval);      // Update the fan speed
    
    break;
    
    }
    
    
      
      Serial.println(temp);

      
      inString[0] = 0;
      inString[1] = 0;
      inString[2] = 0;
      inString[3] = 0;
      inString[4] = 0;
      i = 0;
      
      return incoming;
    }
    else dataReady = false;      // No CR seen yet so put digits into array
//    Serial.print(inByte); 


    inString[i] = inByte;
    
   
    
    i++;
 
  
  }


}