89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
#include "DigiKeyboard.h"
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#define SW_1_PIN 0
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#define SW_2_PIN 2
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#define debounceTimeConst 200 //debounce time in ms
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unsigned long sw1_debounce = 0; //debounce var (last time button was pressed)
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unsigned long sw2_debounce = 0; //debounce var (last time button was pressed)
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void setup() {
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// don't need to set anything up to use DigiKeyboard
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pinMode(SW_1_PIN, INPUT_PULLUP);
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pinMode(SW_2_PIN, INPUT_PULLUP);
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DigiKeyboard.sendKeyStroke(0);
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DigiKeyboard.delay(100);
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}
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int ledState = LOW; // ledState used to set the LED
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unsigned long previousMillis = 0; // will store last time LED was updated
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void loop() {
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unsigned long now = millis(); //timestamp of start of loop
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// debounce button 1
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if(digitalRead(SW_1_PIN) == false){
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if(sw1_debounce + debounceTimeConst < now){
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unsigned long pressed = millis(); //store time when button is pressed
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delay(150); //initial delay to compensate bounce
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while( digitalRead(SW_1_PIN) == false ){
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// wait for button release
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}
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if (pressed + 1000 > millis() ) {
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// pressed shorter than 1s
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pdf_up();
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}else{
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// pressed longer than 1s
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pdf_top();
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}
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}
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sw1_debounce = now;
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}
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// debounce button 2
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if(digitalRead(SW_2_PIN) == false){
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if(sw2_debounce + debounceTimeConst < now){ pdf_down(); }
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sw2_debounce = now;
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}
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//Serial.println(sw1_debounce);
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unsigned long currentMillis = millis();
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if (currentMillis - previousMillis >= 500) {
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previousMillis = currentMillis;
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if (ledState == LOW) {
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ledState = HIGH;
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} else {
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ledState = LOW;
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}
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digitalWrite(1, ledState);
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}
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}
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#define KEY_RIGHT_ARROW 0x4F // Keyboard RightArrow -> Alternative arrow keys names
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#define KEY_LEFT_ARROW 0x50 // Keyboard LeftArrow
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#define KEY_DOWN_ARROW 0x51 // Keyboard DownArrow
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#define KEY_UP_ARROW 0x52 // Keyboard UpArrow
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#define KEY_PAGE_UP 0x4B // Keyboard PageUp
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#define KEY_DELETE 0x4C // Keyboard Delete Forward
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#define KEY_END 0x4D // Keyboard End
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#define KEY_PAGE_DOWN 0x4E // Keyboard PageDown
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#define KEY_HOME 0x4A // Keyboard Home
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//Keyborad Event definitions
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void pdf_up() {
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DigiKeyboard.sendKeyStroke(KEY_PAGE_UP);
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//Keyboard.press(KEY_LEFT_ARROW);
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DigiKeyboard.delay(100);
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}
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void pdf_down() {
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DigiKeyboard.sendKeyStroke(KEY_PAGE_DOWN);
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//Keyboard.press(KEY_RIGHT_ARROW);
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DigiKeyboard.delay(100);
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}
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void pdf_top() {
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DigiKeyboard.sendKeyStroke(KEY_HOME);
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//Keyboard.press(KEY_RIGHT_ARROW);
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DigiKeyboard.delay(100);
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}
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