346 lines
10 KiB
C++
346 lines
10 KiB
C++
// SPDX-FileCopyrightText: 2017 John Park for Adafruit Industries
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//
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// SPDX-License-Identifier: MIT
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#include "Arduino.h"
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#include "Keypad.h"
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#include "Neosegment.h"
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#include <stdlib.h>
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#define SERIAL_BAUD 115200
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#define nDigits 6 // number of digits in display
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#define NEOSEGPIN 12
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#define LEDbrightness 255 // 0 to 255
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/*
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Segment mapping
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5
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___
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4 | | 6
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|___|
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| 3 |
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0 |___| 2
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1
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*/
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int buttonPin = 11; //pushbutton
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int ledPin = 13; // select the pin for the LED
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int knobUpperPin = A3; // input pin for a potentiometer
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int knobLowerPin = A2; // input pin for a potentiometer
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int knobUpper = 0; // variable to store the value coming from the sensor
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int knobLower = 0; // variable to store the value coming from the sensor
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int buttonState;
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int lastButtonState = LOW;
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long lastDebounceTime = 0;
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long debounceDelay = 50;
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//initialize the neosegment object
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Neosegment neosegment(nDigits, NEOSEGPIN, LEDbrightness);
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uint16_t i, j;
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//set up the keypad
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const byte ROWS = 4; //four rows
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const byte COLS = 3; //three columns
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char keys[ROWS][COLS] = {
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{'1','2','3'},
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{'4','5','6'},
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{'7','8','9'},
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{'*','0','#'}
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};
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byte rowPins[ROWS] = {5, 6, 7, 8}; //connect to the row pinouts of the keypad
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byte colPins[COLS] = {2, 3, 4}; //connect to the column pinouts of the keypad
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//initialize the keypad object
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Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
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//use to set digit cursor position
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int neoCounter = 0;
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//gamma correction table
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const uint8_t PROGMEM gamma8[] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2,
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2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5,
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5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10,
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10, 10, 11, 11, 11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16,
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17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25,
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25, 26, 27, 27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36,
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37, 38, 39, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 50,
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51, 52, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 66, 67, 68,
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69, 70, 72, 73, 74, 75, 77, 78, 79, 81, 82, 83, 85, 86, 87, 89,
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90, 92, 93, 95, 96, 98, 99,101,102,104,105,107,109,110,112,114,
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115,117,119,120,122,124,126,127,129,131,133,135,137,138,140,142,
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144,146,148,150,152,154,156,158,160,162,164,167,169,171,173,175,
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177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
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215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };
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void setup(){
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Serial.begin(SERIAL_BAUD);
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pinMode(ledPin, OUTPUT);
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pinMode(buttonPin, INPUT_PULLUP);
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digitalWrite(ledPin, HIGH); //turn on the LED
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neosegment.begin();
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neosegment.clearAll();
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for(int i = 0; i < 6; i++){ //turn on green lines, top row, L to R
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neosegment.setSegment(i, 5, 0, 40, 0); //the '3' segment is middle dash
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tone(A1, 330, 100);
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delay(50);
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}
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neosegment.setSegment(5, 6, 0, 40, 0);
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tone(A1, 330, 100);
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delay(50);
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neosegment.setSegment(5, 2, 0, 40, 0);
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tone(A1, 330, 100);
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delay(50);
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neosegment.clearAll();
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for(int i = 5; i > -1; i--){ //turn on green lines, bottom row, R to L
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neosegment.setSegment(i, 1, 0, 40, 0); //the '3' segment is middle dash
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tone(A1, 330, 100);
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delay(50);
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}
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neosegment.setSegment(0, 0, 0, 40, 0);
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tone(A1, 330, 100);
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delay(50);
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neosegment.clearAll();
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for(int i = 0; i < 6; i++){ //turn on green lines, middle row, L to R
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neosegment.setSegment(i, 3, 0, 40, 0); //the '3' segment is middle dash
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tone(A1, 440, 100);
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delay(100);
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}
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}
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void loop(){
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//read button
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int buttonReading = digitalRead(buttonPin);
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if (buttonReading != lastButtonState) {
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lastDebounceTime = millis();
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}
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if ((millis() - lastDebounceTime) > debounceDelay){
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buttonState = buttonReading;
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}
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Serial.println(buttonState);
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if(buttonState){
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digitalWrite(ledPin, LOW);
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}
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else{
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digitalWrite(ledPin, HIGH);
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}
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lastButtonState = buttonReading;
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//read knobs
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knobUpper = analogRead(knobUpperPin); //used for hue
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knobLower = analogRead(knobLowerPin); //used for value
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//map knob range
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int knobUpperMapped = map(knobUpper, 0, 700, 360, 0);
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int knobLowerMapped = map(knobLower, 0, 700, 700, 0);
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//constrain knob range
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knobUpperMapped = constrain(knobUpperMapped, 0, 360);
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knobLowerMapped = constrain(knobLowerMapped, 0, 700);
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//map to hue range
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//int knobHue = map(knobUpperMapped, 0, 255, 0, 360);
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//knobHue = constrain(knobHue, 0, 360);
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float knobHue = ((float)knobUpperMapped);
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//map to value range
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float knobValue = ((float)knobLowerMapped / 700);
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float r, g, b;
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float h = knobHue;
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float s = 1.0;
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float v = knobValue;
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HSVtoRGB(&r, &g, &b, h, s, v); //convert HSV to RGB
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uint8_t r_byte = (int)(r * 255);
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uint8_t g_byte = (int)(g * 255);
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uint8_t b_byte = (int)(b * 255);
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//apply gamma correction table values
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r_byte = pgm_read_byte(&gamma8[r_byte]);
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g_byte = pgm_read_byte(&gamma8[g_byte]);
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b_byte = pgm_read_byte(&gamma8[b_byte]);
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char key = keypad.getKey();
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if (key != NO_KEY){ // a key has been pressed
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Serial.print("key: ");
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Serial.println(key);
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int neoKey = key - '0'; //terminate w zero so don't get ASCII code
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//enter with '#'
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if(key == '#'){
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neosegment.clearAll();
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delay(35);
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neosegment.setSegment(5, 2, 40, 40, 40);
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neosegment.setSegment(5, 6, 40, 40, 40);
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delay(35);
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tone(A1, 660, 100);
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for(int i = 5; i > -1; i--){ //from right to left
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neosegment.setSegment(i, 1, 40, 40, 40);
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neosegment.setSegment(i, 5, 40, 40, 40);
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delay(35);
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tone(A1, 660, 100);
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}
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neosegment.setSegment(0, 0, 40, 40, 40);
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neosegment.setSegment(0, 4, 40, 40, 40);
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tone(A1, 660, 100);
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neoCounter = 0;
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//letters that appear in upper: A, E, F, H, I, J, L, P, S, U
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//letters that appear in lower: b, c, d, g, n, o, q, r, t
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delay(1000);
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neosegment.clearAll();
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delay(1000);
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neosegment.setDigit(5, 'a', 23, 0, 12);
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tone(A1, 220, 100);
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delay(500);
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neosegment.setDigit(4, 'a', 23, 0, 12);
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neosegment.setDigit(5, 'c', 23, 0, 12);
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tone(A1, 220, 100);
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delay(500);
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neosegment.setDigit(3, 'a', 23, 0, 12);
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neosegment.setDigit(4, 'c', 23, 0, 12);
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neosegment.setDigit(5, 'o', 23, 0, 12);
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tone(A1, 220, 100);
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delay(500);
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neosegment.setDigit(2, 'a', 23, 0, 12);
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neosegment.setDigit(3, 'c', 23, 0, 12);
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neosegment.setDigit(4, 'o', 23, 0, 12);
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neosegment.setDigit(5, 'r', 23, 0, 12);
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tone(A1, 220, 100);
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delay(500);
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neosegment.setDigit(1, 'a', 23, 0, 12);
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neosegment.setDigit(2, 'c', 23, 0, 12);
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neosegment.setDigit(3, 'o', 23, 0, 12);
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neosegment.setDigit(4, 'r', 23, 0, 12);
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neosegment.setDigit(5, 'n', 23, 0, 12);
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tone(A1, 220, 100);
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delay(2000);
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for(int x=0; x<50; x++){
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neosegment.setDigit(2, 'c', 0, x, 0);
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delay(15);
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}
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for(int x=0; x<50; x++){
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neosegment.setDigit(4, 'r', x, x, 0);
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delay(15);
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}
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for(int x=0; x<50; x++){
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neosegment.setDigit(3, 'o', 0, x, x);
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delay(15);
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}
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for(int x=0; x<50; x++){
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neosegment.setDigit(5, 'n', x, 0, 0);
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delay(15);
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}
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for(int x=0; x<50; x++){
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neosegment.setDigit(1, 'A', x/2, x/2, x/2);
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delay(15);
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}
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delay(500);
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neosegment.setDigit(1, 'a', 23, 0, 12);
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neosegment.setDigit(2, 'c', 23, 0, 12);
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neosegment.setDigit(3, 'o', 23, 0, 12);
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neosegment.setDigit(4, 'r', 23, 0, 12);
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neosegment.setDigit(5, 'n', 23, 0, 12);
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tone(A1, 220, 100);
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delay(1700);
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neosegment.clearAll();
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delay(500);
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for(int i = 0; i < 6; i++){ //turn on green lines, middle row, L to R
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neosegment.setSegment(i, 3, 0, 40, 0); //the '3' segment is middle dash
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//tone(A1, 440, 100);
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delay(100);
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}
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}
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//special function with '*'
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else if(key == '*'){ //show HUE value
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neosegment.clearAll();
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neosegment.setDigit(0, 'h', 0, 30, 0);
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neosegment.setDigit(1, 'u', 0, 30, 0);
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neosegment.setDigit(2, 'e', 0, 30, 0);
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int ones = (((int)knobHue) % 10);
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int tens = ((((int)knobHue)/10) % 10);
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int hundreds = ((((int)knobHue)/100) % 10);
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neosegment.setDigit(5, ones, r_byte, g_byte, b_byte);
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neosegment.setDigit(4, tens, r_byte, g_byte, b_byte);
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neosegment.setDigit(3, hundreds, r_byte, g_byte, b_byte);
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Serial.print("red byte: ");
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Serial.println(r_byte);
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tone(A1, ((knobHue+31)), 200);
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neoCounter = 0;
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}
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//number keys
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else{ // display numbers
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if(neoCounter%6 == 0){ //clear when screen gets full
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neosegment.clearAll();
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}
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int neoPosition = (neoCounter % 6); //use modulo operation to loop
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//through the positions
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int BLUE = knobUpperMapped;
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neosegment.setDigit(neoPosition, neoKey, r_byte, g_byte, b_byte);
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neoCounter++;
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tone(A1, ((knobUpperMapped * neoKey) + 31), 170); //+31 deals with
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//the 0 key
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}
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}
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}
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//function to convert Hue, Saturation, Value to Red, Green, Blue
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void HSVtoRGB(float *r, float *g, float *b, float h, float s, float v){
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//HSV is in HUE: degrees, SATURATION: 0 to 1.0, VALUE: 0 to 1.0
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int i;
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float f, p, q, t;
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if( s == 0 ) {
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// achromatic (grey)
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*r = *g = *b = v;
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return;
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}
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h /= 60; // sector 0 to 5
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i = floor( h );
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f = h - i; // factorial part of h
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p = v * ( 1 - s );
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q = v * ( 1 - s * f );
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t = v * ( 1 - s * ( 1 - f ) );
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switch( i ) {
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case 0:
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*r = v;
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*g = t;
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*b = p;
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break;
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case 1:
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*r = q;
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*g = v;
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*b = p;
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break;
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case 2:
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*r = p;
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*g = v;
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*b = t;
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break;
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case 3:
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*r = p;
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*g = q;
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*b = v;
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break;
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case 4:
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*r = t;
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*g = p;
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*b = v;
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break;
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default: // case 5:
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*r = v;
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*g = p;
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*b = q;
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break;
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}
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}
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