added KiCAD Files and MANUAL.md
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/*Copyright (c) 2020 Sublunar Psionics
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Special Thanks to Slavko Andrejevic for providing the main framework of this
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firmware and for technical support.
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---- MIT License ----
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <OneButton.h>
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#define btnA 0 // PA0 / Button A:
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#define btnB 2 // PA1 / Button B:
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#define btnC 1 // PA2 / Button C:
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#define led_R 4 // PA4 / RED LED
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#define led_G 5 // PA5 / GREEN LED
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#define led_B 6 // PA6 / BLUE LED
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#define uv_LED 3 // PA3 / UV LED
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#define OPAMP 8 // PB2 / turns on the Op Amp circuit
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#define ANALOG 7 // PA7 / Get analog
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#define REG1 9 // PB1 / unconnected
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#define REG2 10 // PB0 / unconnected
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#define ON HIGH
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#define OFF LOW
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//---- BUTTONS ----
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byte counterA = 0; // count push btnA:
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byte counterB = 0; // count push btnB:
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byte counterC = 0; // count push btnC:
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bool enabled_btnAC = true; // Button A + C enabled or not
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bool enabled_btnB = true; // Button B enabled or not
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OneButton buttonA(btnA, true); // Button A setup
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OneButton buttonB(btnB, true); // Button B setup
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OneButton buttonC(btnC, true); // Button C setup
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//---- LEDS ----
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bool enabled_LED = false; //turn on a tricolor LED
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bool usePWM = false; //use softPWM for more nuanced colors
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bool disco = false; // random colors
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//---- TIMER ----
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bool countDelay = false; //are we counting ticks to time out the UV LEDs?
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uint32_t oldTime = millis();
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//---- COLOR ----
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struct COLOR { // Creating structure for colors
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byte r;
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byte g;
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byte b;
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};
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COLOR selectedColor = { 0, 0, 0 };
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//---- PLANETARY COLORS ----
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COLOR white = { 255 , 255 , 255 }; // Moon correspondence
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COLOR orange = { 255 , 128 , 0 }; // Mercury correspondence
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COLOR green = { 0 , 255 , 0 }; // Venus correspondence
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COLOR yellow = { 255 , 255 , 0 }; // Sol correspondence
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COLOR red = { 255 , 0 , 0 }; // Mars correspondence
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COLOR blue = { 0 , 128 , 255 }; // Jupiter correspondence
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COLOR purple = { 128 , 0 , 128 }; // Jupiter/Moon correspondence
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COLOR indigo = { 111 , 0 , 255 }; // Saturn correspondence
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COLOR grey = { 40 , 40 , 40 }; // Saturn correspondence
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//---- DEVICE SETUP ----
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void setup() {
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// BUTTONS
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buttonA.attachClick(cycleColors);
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buttonA.attachLongPressStart(discoStart);
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buttonB.attachClick(ultraviolet);
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buttonB.attachLongPressStart(uvForever);
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buttonC.attachClick(opAmp);
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// LEDS
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pinMode(led_B, OUTPUT);
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pinMode(led_G, OUTPUT);
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pinMode(led_R, OUTPUT);
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offLeds();
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// UV LED
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pinMode(uv_LED, OUTPUT);
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digitalWrite(uv_LED, OFF);
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// OP AMP
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//pinMode(ANALOG, INPUT);
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pinMode(OPAMP, OUTPUT);
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digitalWrite(OPAMP, OFF);
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}
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//---- DEVICE LOOP ----
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void loop() {
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buttonA.tick();
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buttonB.tick();
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buttonC.tick();
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showColor();
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// If enabled, turns UV LED off after 1min
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if ( countDelay == true && ((millis()-oldTime) > 60000)) {
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//Turn the UV LED off
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enabled_btnAC = true;
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digitalWrite(uv_LED, OFF);
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counterB = 0;
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countDelay = false;
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}
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if ( disco == true ) {
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enabled_LED = true;
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usePWM = false;
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selectedColor.r = rng();
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selectedColor.g = rng();
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selectedColor.b = rng();
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//digitalWrite(uv_LED, bitRead(rng(), 0));
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showColor();
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delay(rng());
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}
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}
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//---- FUNCTIONS ----
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// turn all LEDs off
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void offLeds() {
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analogWrite(led_R, 255);
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analogWrite(led_B, 255);
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analogWrite(led_G, 255);
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}
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// set a color
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void setColor(COLOR paint, bool full = true) {
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//tricolor LED color
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selectedColor.r = paint.r;
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selectedColor.b = paint.b;
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selectedColor.g = paint.g;
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showColor();
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}
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// show the color or turn off
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void showColor() { // 100% of color
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if (enabled_LED == true) {
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softPWM(led_R, selectedColor.r, 1);
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softPWM(led_B, selectedColor.b, 1);
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softPWM(led_G, selectedColor.g, 1);
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} else {
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offLeds();
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}
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}
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void discoStart() {
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if ( disco == true ) {
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disco = false;
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enabled_LED = false;
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//digitalWrite(uv_LED, OFF);
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counterA = 0;
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}
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else disco = true;
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}
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// used for button A to cycle through the colors
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void cycleColors() {
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if ( disco == true) discoStart();
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if (enabled_btnAC == true) {
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counterA++;
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switch (counterA) {
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case 1:
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enabled_LED = true;
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setColor(white, true);
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break;
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case 2:
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usePWM = true;
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setColor(orange, true);
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break;
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case 3:
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usePWM = false;
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setColor(green, true);
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break;
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case 4:
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setColor(yellow, true);
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break;
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case 5:
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setColor(red, true);
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break;
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case 6:
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setColor(blue, true);
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break;
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case 7:
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usePWM = true;
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setColor(purple, true);
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break;
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case 8:
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setColor(indigo, true);
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break;
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case 9:
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setColor(grey, true);
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break;
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case 10:
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enabled_LED = false;
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counterA = 0;//TURN OFF
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break;
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}
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}
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}
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// used for button B to toggle the UV LEDs
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void ultraviolet() {
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counterA = 0;
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if ( disco == true) discoStart();
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if (enabled_btnB == true) {
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counterB++;
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switch (counterB) {
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case 1:
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blinker(led_B, 500, 5);
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enabled_LED = false;
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enabled_btnAC = false;
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digitalWrite(uv_LED, ON);
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if ( countDelay == false ) {
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oldTime = millis();
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}
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countDelay = true; // turn on delay counter in loop()
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break;
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case 2:
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enabled_btnAC = true;
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digitalWrite(uv_LED, OFF);
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counterB = 0;
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break;
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}
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}
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}
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// disable all buttons and keep UV light running forever
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void uvForever() {
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blinker(led_B, 500, 5);
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blinker(led_B, 50, 10);
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enabled_btnB = false;
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enabled_btnAC = false;
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countDelay = false;
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digitalWrite(uv_LED, ON);
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}
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// used for button C to toggle the OP Amp
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void opAmp() {
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if (enabled_btnAC == true) {
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counterC++;
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switch (counterC) {
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case 1:
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blinker(led_G, 50, 2);
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digitalWrite(OPAMP, ON);
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break;
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case 2:
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blinker(led_R, 50, 2);
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digitalWrite(OPAMP, OFF);
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counterC = 0;
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break;
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}
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}
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}
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// helper to blink a color
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void blinker(byte pin, int len, byte rep) {
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byte counter = 1;
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while (counter <= rep) {
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analogWrite(pin, 0);
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delay(len);
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offLeds();
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delay(len);
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counter++;
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}
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}
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// software PWM function that fakes analog output
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void softPWM(byte pin, byte freq, byte sp) {
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byte delay1 = 255 - freq;
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if (usePWM == true) {
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while (sp > 0) {
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digitalWrite(pin, LOW); //on
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delayMicroseconds(freq);
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digitalWrite(pin, HIGH); //off
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delayMicroseconds(delay1);
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sp--;
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}
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} else {
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analogWrite(pin, 255 - freq);
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}
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}
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byte rng() {
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int raw0, raw1;
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byte b0, b1, x, col, twoBytes[2], result;
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col = 0;
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while ( col <= 1 ) {
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raw0 = analogRead(REG1);
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raw1 = analogRead(REG2);
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b0 = lowByte(raw0);
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b1 = lowByte(raw1);
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x = b0 ^ b1;
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twoBytes[col] = x;
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col++;
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}
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result = (twoBytes[0]<<4)+twoBytes[1];
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return result;
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}
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