108 lines
2.3 KiB
Arduino
108 lines
2.3 KiB
Arduino
// Key definitions
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#define BUTTON_KEY1 KEY_F13
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#define BUTTON_KEY2 KEY_F14
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#define BUTTON_KEY3 KEY_F15
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#define BUTTON_KEY4 KEY_F16
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#define BUTTON_KEY5 KEY_F17
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#define BUTTON_KEY6 KEY_F18
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#define BUTTON_KEY7 KEY_F19
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#define BUTTON_KEY8 KEY_F20
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#define BUTTON_KEY9 KEY_F21
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#define BUTTON_KEY10 KEY_F22
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#define BUTTON_KEY11 KEY_F23
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#define BUTTON_KEY12 KEY_F24
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// Pin definitions
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#define BUTTON_PIN1 2
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#define BUTTON_PIN2 3
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#define BUTTON_PIN3 4
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#define BUTTON_PIN4 5
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#define BUTTON_PIN5 6
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#define BUTTON_PIN6 7
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#define BUTTON_PIN7 8
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#define BUTTON_PIN8 9
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#define BUTTON_PIN9 10
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#define BUTTON_PIN10 15
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#define BUTTON_PIN11 14
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#define BUTTON_PIN12 16
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// ---------------------------------
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#include "Keyboard.h"
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// Button helper class for handling press/release and debouncing
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class button {
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public:
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const char key;
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const uint8_t pin;
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button(uint8_t k, uint8_t p) : key(k), pin(p){}
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void press(boolean state){
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if(state == pressed || (millis() - lastPressed <= debounceTime)){
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return; // Nothing to see here, folks
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}
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lastPressed = millis();
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state ? Keyboard.press(key) : Keyboard.release(key);
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pressed = state;
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}
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void update(){
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press(!digitalRead(pin));
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}
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private:
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const unsigned long debounceTime = 30;
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unsigned long lastPressed = 0;
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boolean pressed = 0;
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} ;
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// Button objects, organized in array
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button buttons[] = {
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{BUTTON_KEY1, BUTTON_PIN1},
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{BUTTON_KEY2, BUTTON_PIN2},
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{BUTTON_KEY3, BUTTON_PIN3},
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{BUTTON_KEY4, BUTTON_PIN4},
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{BUTTON_KEY5, BUTTON_PIN5},
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{BUTTON_KEY6, BUTTON_PIN6},
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{BUTTON_KEY7, BUTTON_PIN7},
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{BUTTON_KEY8, BUTTON_PIN8},
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{BUTTON_KEY9, BUTTON_PIN9},
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{BUTTON_KEY10, BUTTON_PIN10},
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{BUTTON_KEY11, BUTTON_PIN11},
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{BUTTON_KEY12, BUTTON_PIN12},
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};
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const uint8_t NumButtons = sizeof(buttons) / sizeof(button);
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const uint8_t ledPin = 17;
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void setup() {
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// Safety check. Ground pin #1 (RX) to cancel keyboard inputs.
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pinMode(1, INPUT_PULLUP);
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if(!digitalRead(1)){
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failsafe();
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}
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// Set LEDs Off. Active low.
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pinMode(ledPin, OUTPUT);
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digitalWrite(ledPin, HIGH);
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TXLED0;
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for(int i = 0; i < NumButtons; i++){
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pinMode(buttons[i].pin, INPUT_PULLUP);
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}
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}
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void loop() {
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for(int i = 0; i < NumButtons; i++){
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buttons[i].update();
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}
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}
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void failsafe(){
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for(;;){} // Just going to hang out here for awhile :D
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} |