arduino教程——西蒙游戏

西蒙游戏 Simon Game
《西蒙游戏》是一款益智休闲类小游戏，它的游戏规则是，让玩家记住不同颜色的灯的亮灯顺序后，依次点击灯，如果次序与AI给予的次序相同，则游戏继续并增加难度，否则游戏结束，重置游戏。

在线arduino西蒙游戏

代码

/**Simon Game for ATTiny85Copyright (C) 2018, Uri ShakedLicensed under the MIT License.
*/#include <avr/sleep.h>
#include <avr/interrupt.h>#include "pitches.h"/* Constants - define pin numbers for leds, buttons and speaker, and also the game tones */
byte buttonPins[] = {1, 2, 3, 4};
#define SPEAKER_PIN 0#define MAX_GAME_LENGTH 100int gameTones[] = { NOTE_G3, NOTE_C4, NOTE_E4, NOTE_G5};/* Global variales - store the game state */
byte gameSequence[MAX_GAME_LENGTH] = {0};
byte gameIndex = 0;/**Set up the GPIO pins
*/
void setup() {// The following line primes the random number generator. It assumes pin A0 is floating (disconnected)randomSeed(analogRead(1));// Disable ADC - saves about 324.5uA in sleep mode!ADCSRA = 0;set_sleep_mode(SLEEP_MODE_PWR_DOWN);for (int i = 0; i < 4; i++) {pinMode(buttonPins[i], INPUT_PULLUP);}pinMode(SPEAKER_PIN, INPUT);
}ISR(PCINT0_vect) {GIMSK &= ~0b00100000;  // Turn off pin change interruptssleep_disable();
}void sleep() {sleep_enable();noInterrupts();GIMSK |= 0b00100000;  // Turn on pin change interruptsfor (byte i = 0; i < 4; i++) {PCMSK |= 1 << buttonPins[i];}interrupts();sleep_cpu();
}// The sound-producing function
void beep (unsigned char speakerPin, int frequencyInHertz, long timeInMilliseconds)
{ // http://web.media.mit.edu/~leah/LilyPad/07_sound_code.htmlint  x;long delayAmount = (long)(1000000 / frequencyInHertz);long loopTime = (long)((timeInMilliseconds * 1000) / (delayAmount * 2));pinMode(speakerPin, OUTPUT);for (x = 0; x < loopTime; x++) {digitalWrite(speakerPin, HIGH);delayMicroseconds(delayAmount);digitalWrite(speakerPin, LOW);delayMicroseconds(delayAmount);}pinMode(speakerPin, INPUT);
}/**Lights the given led and plays the suitable tone
*/
void lightLedAndPlaySound(byte ledIndex) {pinMode(buttonPins[ledIndex], OUTPUT);digitalWrite(buttonPins[ledIndex], LOW);beep(SPEAKER_PIN, gameTones[ledIndex], 300);pinMode(buttonPins[ledIndex], INPUT_PULLUP);
}/**Plays the current sequence of notes that the user has to repeat
*/
void playSequence() {for (int i = 0; i < gameIndex; i++) {byte currentLed = gameSequence[i];lightLedAndPlaySound(currentLed);delay(50);}
}/**Waits until the user pressed one of the buttons, and returns the index of that button
*/
byte readButton() {for (;;) {for (int i = 0; i < 4; i++) {byte buttonPin = buttonPins[i];if (digitalRead(buttonPin) == LOW) {return i;}}sleep();}
}/**Plays the tone associated with a specific button + debouncing mechanism
*/
void playButtonTone(byte buttonIndex) {beep(SPEAKER_PIN, gameTones[buttonIndex], 150);// Wait until button is released.while (digitalRead(buttonPins[buttonIndex]) == LOW);delay(50);
}/**Play the game over sequence, and report the game score
*/
void gameOver() {gameIndex = 0;delay(200);// Play a Wah-Wah-Wah-Wah soundbeep(SPEAKER_PIN, NOTE_DS5, 300);beep(SPEAKER_PIN, NOTE_D5, 300);beep(SPEAKER_PIN, NOTE_CS5, 300);for (int i = 0; i < 200; i++) {beep(SPEAKER_PIN, NOTE_C5 + (i % 20 - 10), 5);}delay(500);
}/**Get the user input and compare it with the expected sequence. If the user fails, play the game over sequence and restart the game.
*/
void checkUserSequence() {for (int i = 0; i < gameIndex; i++) {byte expectedButton = gameSequence[i];byte actualButton = readButton();playButtonTone(actualButton);if (expectedButton == actualButton) {/* good */} else {gameOver();return;}}
}/**Plays an hooray sound whenever the user finishes a level
*/
void levelUp() {beep(SPEAKER_PIN, NOTE_E4, 150);beep(SPEAKER_PIN, NOTE_G4, 150);beep(SPEAKER_PIN, NOTE_E5, 150);beep(SPEAKER_PIN, NOTE_C5, 150);beep(SPEAKER_PIN, NOTE_D5, 150);beep(SPEAKER_PIN, NOTE_G5, 150);
}/**The main game loop
*/
void loop() {// Add a random color to the end of the sequencegameSequence[gameIndex] = random(0, 4);gameIndex++;playSequence();checkUserSequence();delay(300);if (gameIndex > 0) {levelUp();delay(300);}
}

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arduino教程——西蒙游戏

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