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/* =================================================================

* LED Remote

* (c) Brooke. 2016

* (c) Brooke. 2016-2020

* This file is the firmware to be upload and ran on the photon. It makes use of the particle API.

* All original code is under the GPL v3 except where listed.

* 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 3 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.

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

================================================================= */

/* ======================= includes ================================= */

#include <neopixel.h> // use for Build IDE

// #include "neopixel.h" // use for local build

/* ======================= Includes ================================= */

#include <neopixel.h>

// #include \"neopixel.h\" // use for local build

/* ======================= Constances====================== */

SYSTEM_MODE(AUTOMATIC);

#define PIXEL_PIN 2

#define PIXEL_COUNT 58

#define PIXEL_PIN 6

#define PIXEL_COUNT 120

#define PIXEL_TYPE SK6812RGBW

#define BRIGHTNESS 255

uint8_t setStripBrigtness( String brightnessValue) ;

int setStripColor( String hexValue );

int currentBrightness = 0;

String currentHex = "";

String currentHex = \"\";

uint8_t setStripPower( String powerValue );

int currentPower = 2;

int loopCase = 0;

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

/**

* setup -- Standard Arduino setup() function

**/

void setup (){

strip.begin();

strip.show(); // Initialize all pixels to 'off'

//Particle Functions for Color and Brightness

Particle.function("hex", setStripColor);

Particle.function("bri", setStripBrigtness);

Particle.function(\"hex\", setStripColor);

Particle.function(\"bri\", setStripBrigtness);

Particle.function(\"pwr\", setStripPower);

//Particle Variable to hold brightness value:

Particle.variable("curBri", currentBrightness);

//Particle Variable to hold brightness value. Shoudl return between 0 - 255

Particle.variable(\"curBri\", currentBrightness);

//Particle Variable to hold color value:

Particle.variable("curHex", currentHex);

//Particle Variable to hold color value. Should return hex or -1 for false

Particle.variable(\"curHex\", currentHex);

//Particle Variable to hold power value. Should always return 1 or 2.

Particle.variable(\"curPwr\", currentPower);

}

/**

* loop -- Standard Arduino loop() function

**/

void loop (){

switch ( loopCase ) {

case 1:

setHex(currentHex);

break;

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/* ================================================================= 
 * LED Remote
 * (c)  Brooke. 2016
 
 * This file is the firmware to be upload and ran on the photon. It makes use of the particle API. 
 * All original code is under the GPL v3 except where listed.

* 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 3 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.
 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

================================================================= */

/* ======================= includes ================================= */
#include <neopixel.h> // use for Build IDE
// #include "neopixel.h" // use for local build

/* ======================= Constances====================== */

SYSTEM_MODE(AUTOMATIC);

#define PIXEL_PIN 2
#define PIXEL_COUNT 58
#define PIXEL_TYPE SK6812RGBW
#define BRIGHTNESS 255

uint8_t setStripBrigtness( String brightnessValue) ;
int  setStripColor( String hexValue );
int currentBrightness = 0;
String currentHex = "";
int loopCase = 0;

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

/** 
 * setup -- Standard Arduino setup() function 
 **/
void setup (){
  
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
  
  //Particle Functions for Color and Brightness
  Particle.function("hex", setStripColor);
  Particle.function("bri", setStripBrigtness);
    
  //Particle Variable to hold brightness value:
  Particle.variable("curBri", currentBrightness);
    
  //Particle Variable to hold color value:
  Particle.variable("curHex", currentHex);
  
  }  
  
/** 
* loop -- Standard Arduino loop() function 
**/
void loop (){
    switch ( loopCase ) {
    case 1:
        setHex(currentHex);
      break;
    case 2:
        rainbowCycle(20);
    break;
    case 3:
        rainbow(20);
  }
    delay(20);

}  
  
/** 
* getStripColor -- gets the HexValue input from our POST request
* @param hexValue -- gets hex value string from Particle API 
*/
int setStripColor( String hexValue ) {
        if(hexValue.length() == 8){
           currentHex = hexValue;
           loopCase = 1;
            return 1;
        }
        else if( hexValue == "rainbow" ) {
            loopCase = 2;
            return 2;
        }
        else if ( hexValue == "rainbowCycle" ) {
            loopCase = 3;
            return 3;
        }
        else {
            return -1;
        }
 } 
 
 /** 
 * setStripBrightness -- Sets the LED strip color based on input of particle function setStripBrigtness
 * @param brightnessValue -- 0-255 brightness value for our LED strip.
 */
uint8_t setStripBrigtness( String brightnessValue ) {
   
   uint8_t brightnessAsInt = brightnessValue.toInt();
   
    if( ( brightnessAsInt <= 255 ) && ( brightnessValue.length() <= 3 ) ){
        for (uint8_t i = 0; i < PIXEL_COUNT; i++ ){
                strip.setBrightness( brightnessAsInt );
                strip.show();
        }
        currentBrightness = brightnessAsInt;
        return currentBrightness;
    }
    
    else {
        return 0;
    }
}

/** 
* convertHex -- converts hexValue into byte to be used in our array RBG > 255
* see: https://arduino.stackexchange.com/a/16446
* @param char -- gets hex value string from Particle API 
*/
byte convertHex (const char * str){
  char c = str [0] - '0';
  if (c > 9)
    c -= 7;
  int result = c;
  c = str [1] - '0';
  if (c > 9)
    c -= 7;
  return (result << 4) | c;
}

/** 
* setHex -- converts hexValue into byte to be used in our array RBG > 255
* @param hexValue  HexValue to set strip to.  
*/
  
 char setHex( String hexValue ) {
    const char * hexCharArray = hexValue;
    
    byte redValue = convertHex ( & hexCharArray[0] );
    byte greenValue = convertHex ( & hexCharArray[2] );
    byte blueValue = convertHex ( & hexCharArray[4] );
    byte whiteValue = convertHex ( & hexCharArray[6] );
    
    for (int i = 0; i < PIXEL_COUNT; i++ ){
        strip.setPixelColor(i, greenValue, redValue, blueValue, whiteValue);
        strip.show();
    }

}
/** 
* rainbowCycle -- Cycles through colors
* @source: https://github.com/adafruit/Adafruit_NeoPixel
* @param wait -- mills between transition, higher is slower. Vaules 0-255 
*/
void rainbowCycle(uint8_t wait) {
  uint16_t i, j;

for(j=0; j<256; j++) { // 5 cycles of all colors on wheel
    for(i=0; i< strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

/** 
* rainbow -- Cycles through colors
* @source: https://github.com/adafruit/Adafruit_NeoPixel
* @param wait -- mills between transition, higher is slower. Vaules 0-255
*/
void rainbow(uint8_t wait) {
  uint16_t i, j;

for(j=0; j<256; j++) {
    for(i=0; i<strip.numPixels(); i++) {
      strip.setPixelColor(i, Wheel((i+j) & 255));
    }
    strip.show();
    delay(wait);
  }
}

/** 
* Wheel 
* Input a value 0 to 255 to get a color value.
* The colours are a transition r - g - b - back to r.
* @source: https://github.com/adafruit/Adafruit_NeoPixel
* @param byte WheelPos
*/
uint32_t Wheel(byte WheelPos) {
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3,0);
  }
  if(WheelPos < 170) {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3,0);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0,0);
}

uint8_t red(uint32_t c) {
  return (c >> 8);
}
uint8_t green(uint32_t c) {
  return (c >> 16);
}
uint8_t blue(uint32_t c) {
  return (c);
}

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/* =================================================================

* LED Remote

* (c)  Brooke. 2016-2020

* This file is the firmware to be upload and ran on the photon. It makes use of the particle API.

* All original code is under the GPL v3 except where listed.

* 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 3 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.

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

================================================================= */

/* ======================= Includes ================================= */

#include <neopixel.h>

// #include \"neopixel.h\" // use for local build

/* ======================= Constances====================== */

SYSTEM_MODE(AUTOMATIC);

#define PIXEL_PIN 6

#define PIXEL_COUNT 120

#define PIXEL_TYPE SK6812RGBW

#define BRIGHTNESS 255

uint8_t setStripBrigtness( String brightnessValue) ;

int setStripColor( String hexValue );

int currentBrightness = 0;

String currentHex = \"\";

uint8_t setStripPower( String powerValue );

int currentPower = 2;

int loopCase = 0;

Adafruit_NeoPixel strip = Adafruit_NeoPixel(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);

/**

* setup -- Standard Arduino setup() function

**/

void setup (){

strip.begin();

strip.show(); // Initialize all pixels to 'off'

//Particle Functions for Color and Brightness

Particle.function(\"hex\", setStripColor);

Particle.function(\"bri\", setStripBrigtness);

Particle.function(\"pwr\", setStripPower);

//Particle Variable to hold brightness value. Shoudl return between 0 - 255

Particle.variable(\"curBri\", currentBrightness);

//Particle Variable to hold color value. Should return hex or -1 for false

Particle.variable(\"curHex\", currentHex);

//Particle Variable to hold power value. Should always return 1 or 2.

Particle.variable(\"curPwr\", currentPower);

}

/**

* loop -- Standard Arduino loop() function

**/

void loop (){

switch ( loopCase ) {

case 1:

setHex(currentHex);

break;

case 2:

rainbowCycle(20);

break;

case 3:

rainbow(20);

}

delay(20);

}

/**

* getStripColor -- gets the HexValue input from our POST request

* @param hexValue -- gets hex value string from Particle API

int setStripColor( String hexValue ) {

if(hexValue.length() == 8){

currentHex = hexValue;

loopCase = 1;

return 1;

}

else if( hexValue == \"rainbow\" ) {

loopCase = 2;

return 2;

}

else if ( hexValue == \"rainbowCycle\" ) {

loopCase = 3;

return 3;

}

else {

return -1;

}

/**

* setStripBrightness -- Sets the LED strip color based on input of particle function setStripBrigtness

* @param brightnessValue -- 0-255 brightness value for our LED strip.

uint8_t setStripBrigtness( String brightnessValue ) {

uint8_t brightnessAsInt = brightnessValue.toInt();

if( ( brightnessAsInt <= 255 ) && ( brightnessValue.length() <= 3 ) ){

for (uint8_t i = 0; i < PIXEL_COUNT; i = i + currentPower ){

strip.setBrightness( brightnessAsInt );

}

strip.show();

currentBrightness = brightnessAsInt;

return currentBrightness;

}

else {

return 0;

}

/**

* setStripPower -- Sets the strip power

* @param powerValue -- Send 1 for all lights and send 0 for just half.

uint8_t setStripPower( String powerValue ) {

if( powerValue.toInt() == 1 ){

currentPower = 1;

return 1;

}

else {

currentPower = 2;

return 0;

}

/**

* convertHex -- converts hexValue into byte to be used in our array RBG > 255

* see: https://arduino.stackexchange.com/a/16446

* @param char -- gets hex value string from Particle API

byte convertHex (const char * str){

char c = str [0] - '0';

if (c > 9)

c -= 7;

int result = c;

c = str [1] - '0';

if (c > 9)

c -= 7;

return (result << 4) | c;

}

/**

* setHex -- converts hexValue into byte to be used in our array RBG > 255

* @param hexValue  HexValue to set strip to.

char setHex( String hexValue ) {

const char * hexCharArray = hexValue;

byte redValue = convertHex ( & hexCharArray[0] );

byte greenValue = convertHex ( & hexCharArray[2] );

byte blueValue = convertHex ( & hexCharArray[4] );

byte whiteValue = convertHex ( & hexCharArray[6] );

if( currentPower == 2 ){

for (int i = 1; i < PIXEL_COUNT; i++ ){

strip.setPixelColor(i, 0, 0, 0, 0);

}

for (int i = 0; i < PIXEL_COUNT; i = i + currentPower ){

strip.setPixelColor(i, greenValue, redValue, blueValue, whiteValue);

}

strip.show();

}

/**

* rainbowCycle -- Cycles through colors

* @source: https://github.com/adafruit/Adafruit_NeoPixel

* @param wait -- mills between transition, higher is slower. Vaules 0-255

void rainbowCycle(uint8_t wait) {

uint16_t i, j;

for(j=0; j<256; j++) { // 5 cycles of all colors on wheel

if( currentPower == 2 ){

for (int i = 1; i < PIXEL_COUNT; i++ ){

strip.setPixelColor(i, 0, 0, 0, 0);

}

for(i=0; i< strip.numPixels(); i = i + currentPower) {

strip.setPixelColor(i, Wheel(((i * 256 / PIXEL_COUNT ) + j) & 255));

}

strip.show();

delay(wait);

}

/**

* rainbow -- Cycles through colors

* @source: https://github.com/adafruit/Adafruit_NeoPixel

* @param wait -- mills between transition, higher is slower. Vaules 0-255

void rainbow(uint8_t wait) {

uint16_t i, j;

for(j=0; j<256; j++) {

if( currentPower == 2 ){

for (int i = 1; i < PIXEL_COUNT; i++ ){

strip.setPixelColor(i, 0, 0, 0, 0);

}

for(i=0; i<strip.numPixels(); i = i + currentPower ) {

strip.setPixelColor(i, Wheel((i+j) & 255));

}

strip.show();

delay(wait);

}

/**

* Wheel

* Input a value 0 to 255 to get a color value.

* The colours are a transition r - g - b - back to r.

* @source: https://github.com/adafruit/Adafruit_NeoPixel

* @param byte WheelPos

uint32_t Wheel(byte WheelPos) {

WheelPos = 255 - WheelPos;

if(WheelPos < 85) {

return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3,0);

}

if(WheelPos < 170) {

WheelPos -= 85;

return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3,0);

}

WheelPos -= 170;

return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0,0);

}

uint8_t red(uint32_t c) {

return (c >> 8);

}

uint8_t green(uint32_t c) {

return (c >> 16);

}

uint8_t blue(uint32_t c) {

return (c);

}

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