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298
pocketpsithemius.ino
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298
pocketpsithemius.ino
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/*MIT License
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Copyright (c) 2020 Sublunar Psionics
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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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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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*/
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#define btnA 9 //PB0 / Button A:
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#define btnB 8 //PB1 / Button B:
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#define btnC 13 //PA7 / Button C:
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#define led_R 12 //PA6 / RED LED
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#define led_G 14 //PA3 / GREEN LED
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#define led_B 1 //PA1 / BLUE LED
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#define uv_LED 6 //PB3 / UV LED
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#define OPAMP 3 //PB6 / turns on the Op Amp circuit
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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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static bool last_btnA = false; //Previous state of button A
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static bool last_btnB = false; //Previous state of button B
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static bool last_btnC = false; //Previous state of button C
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//---- LEDS ----
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bool enabled_LED = false; //turn on a tricolor LED
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bool was_on_LED = false; //was LED on?
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bool usePWM = false; //use softPWM for more nuanced colors
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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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//---- TIMER ----
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bool countDelay = false; //are we counting ticks to time out the UV LEDs?
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static uint32_t delayCount = 0;
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long lastDebounceTime = 0; // the last time the output pin was toggled
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long debounceDelay = 50; // the debounce time; increase if the output flickers
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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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void setColor(COLOR paint, bool full = true) {
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//tricolor LED color
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selectedColor = paint;
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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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//paint contains r g b value for pwm on pins
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showColor();
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}
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void showColor() {
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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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//---- 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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pinMode(btnA, INPUT);
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pinMode(btnB, INPUT);
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pinMode(btnC, INPUT);
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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(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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// Detect and debounce button presses
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if ( (millis() - lastDebounceTime) > debounceDelay) {
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//Button A:
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bool pressed_btnA = !digitalRead(btnA);
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if (pressed_btnA != last_btnA ) {
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if (pressed_btnA == true) {
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counterA++;
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if (counterA > 10)counterA = 1;
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pressButton_A();
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}
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last_btnA = pressed_btnA;
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}
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//Button B:
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bool pressed_btnB = !digitalRead(btnB);
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if (pressed_btnB != last_btnB ) {
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if (pressed_btnB == true) {
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counterB++;
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if (counterB > 2)counterB = 1;
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pressButton_B();
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}
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last_btnB = pressed_btnB;
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}
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//Button C:
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bool pressed_btnC = !digitalRead(btnC);
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if (pressed_btnC != last_btnC ) {
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if (pressed_btnC == true) {
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counterC++;
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if (counterC > 2)counterC = 1;
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pressButton_C();
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}
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last_btnC = pressed_btnC;
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}
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lastDebounceTime = millis(); //set the current time
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}
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showColor();
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//Counts up and turns UV LED off after 1min
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if (countDelay == true) {
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delayCount++;
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counterB = 1;
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}
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else delayCount = 0;
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if (delayCount > 1200000) {
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//Turn the UV LED off
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digitalWrite(uv_LED, LOW);
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countDelay = false;
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//Reenable all buttons
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enabled_btnAC = true;
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//LED Status back to before Button B was pushed
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enabled_LED = was_on_LED;
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}
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}
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//---- BUTTON STATE MACHINE FUNCTIONS
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//Button A:
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void pressButton_A() {
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if (enabled_btnAC == false) {
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counterA = 0;
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return;//Chek if button is disabled
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}
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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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//Button B:
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void pressButton_B() {
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if (enabled_btnB == false) {
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counterB = 0;
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return;
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}
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if (counterB == 1) { //1st press:
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//was color LED on when button was pushed?
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was_on_LED = enabled_LED;
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//Disable LED and buttons A and C
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enabled_LED = false;
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counterA = 0;
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counterC = 0;
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enabled_btnAC = false;
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enabled_btnB == false;
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//Turn off Op-Amp circuit
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digitalWrite(OPAMP, OFF);
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enabled_btnB == true;
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digitalWrite(uv_LED, ON);
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countDelay = true; // turn on delay counter in loop()
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}
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if (counterB == 2) { //2nd press:
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if (digitalRead(uv_LED) == ON) {
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//Turn UV LED off
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digitalWrite(uv_LED, OFF);
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}
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//Re-enable all buttons
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enabled_btnAC = true;
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enabled_btnB = true;
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//LED Status back to before Button B was pushed
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enabled_LED = was_on_LED;
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//reset delay counter
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countDelay = false;
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}
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}
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//Button C:
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void pressButton_C() {
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if (enabled_btnAC == false) {
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counterC = 0;
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return;
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}
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if (counterC == 1) { //1st press:
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digitalWrite(OPAMP, ON);
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}
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if (counterC == 2) { //2nd press:
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digitalWrite(OPAMP, OFF);
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}
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}
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//---- SOFTWARE PWM ----
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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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