LAB4 SWITCH BUTTON 控制跑馬燈方向

demo

電路圖

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程式碼說明

本程式有用到課本提供 switch.h

首先先講到我的跑馬燈，我使用OOP實作

我的UML

接著說明我的函數

首先是移動相關







void Light::moveLeft(){
    this->left = true;
}

void Light::moveRight(){
    this->left = false;
}

暫停與跑



void Light::stopOrRun(){
    this->running = !this->running;
}

加速減速



void Light::nextSpeedStage(){
    this->speedPointer = (this->speedPointer + 1) % 8;
}

更新LED


















void Light::update(){
    unsigned long currentMillis = millis();
    if (running && currentMillis - lastUpdate >= speeds[speedPointer]) {
        // turn off current LED
        digitalWrite(ledPins[this->currentIndex], LOW); 
        if (this->left) {
            //turn left
            currentIndex = (this->currentIndex - 1 + LEDcounts) % LEDcounts;
        } 
        else {
            //turn right
            this->currentIndex = (this->currentIndex + 1) % LEDcounts; 
        }
        // turn on new LED
        digitalWrite(ledPins[this->currentIndex], HIGH); 
        lastUpdate = currentMillis;
    }
}

程式碼

main.ino























































#include <switch.h>
#include "light.h"

#define LED_COUNT 8
#define BUTTON_LEFT 33
#define BUTTON_RIGHT 25
#define BUTTON_STOP 26
#define BUTTON_SPEED 27

int ledPins[LED_COUNT] = {23, 22, 21, 19, 18, 17, 16, 4};
int speeds[8]     = {1000,875,750,625,500,375,250,125}; 

Switch leftSw(BUTTON_LEFT, LOW, true);
Switch rightSw(BUTTON_RIGHT, LOW, true);
Switch stopSw(BUTTON_STOP, LOW, true);
Switch speedSw(BUTTON_SPEED, LOW, true);
Light  light  (ledPins, LED_COUNT, speeds);


void setup() {
  // 設定 LED 腳位為輸出
  for (int i = 0; i < LED_COUNT; i++) {
    pinMode(ledPins[i], OUTPUT);
    digitalWrite(ledPins[i], LOW);
  }

  // 設定按鈕腳位為輸入
  pinMode(BUTTON_LEFT, INPUT_PULLUP);
  pinMode(BUTTON_RIGHT, INPUT_PULLUP);
  pinMode(BUTTON_STOP, INPUT_PULLUP);
  pinMode(BUTTON_SPEED, INPUT_PULLUP);
}

void loop() {
  switch (leftSw.check()){
    case Switch::RELEASED_FROM_PRESS:
    case Switch::PRESSING:
      light.moveLeft();
  }
  switch (rightSw.check()){
    case Switch::RELEASED_FROM_PRESS:
    case Switch::PRESSING:
      light.moveRight();
  }
  switch (stopSw.check()){
    case Switch::RELEASED_FROM_PRESS:
      light.stopOrRun();
  }
  switch (speedSw.check()){
    case Switch::RELEASED_FROM_PRESS:
      light.nextSpeedStage();
  }

  light.update();
}

light.cpp















































#include "light.h"
#include <Arduino.h>

Light::Light(int ledPins[], int LEDcounts, int speeds[]){
    this->ledPins = ledPins;
    this->LEDcounts = LEDcounts;
    this->speeds = speeds;
    this->speedPointer = 0;
    this->lastUpdate = 0;
}

Light::~Light(){}

void Light::stopOrRun(){
    this->running = !this->running;
}

void Light::moveLeft(){
    this->left = true;
}

void Light::moveRight(){
    this->left = false;
}

void Light::nextSpeedStage(){
    this->speedPointer = (this->speedPointer + 1) % 8;
}

void Light::update(){
    unsigned long currentMillis = millis();
    if (running && currentMillis - lastUpdate >= speeds[speedPointer]) {
        // turn off current LED
        digitalWrite(ledPins[this->currentIndex], LOW); 
        if (this->left) {
            //turn left
            currentIndex = (this->currentIndex - 1 + LEDcounts) % LEDcounts;
        } 
        else {
            //turn right
            this->currentIndex = (this->currentIndex + 1) % LEDcounts; 
        }
        // turn on new LED
        digitalWrite(ledPins[this->currentIndex], HIGH); 
        lastUpdate = currentMillis;
    }
}

light.h



























#ifndef LIGHT_H
#define LIGHT_H

class Light
{
private:
    int *ledPins;
    int LEDcounts;
    int *speeds;
    unsigned char speedPointer;
    unsigned long lastUpdate;
    int currentIndex = 0;
    bool left  = true; 
    bool running = true;
public:
    void update();
    void nextSpeedStage();
    void stopOrRun();
    void moveLeft();
    void moveRight();
public:
    Light(int ledPins[], int LEDcountsm, int speeds[]);
    ~Light();
};


#endif

LAB4 SWITCH BUTTON 控制跑馬燈方向

demo

電路圖

程式碼說明

程式碼

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