~josealberto4444/arduino-quiz

e27b6062bcd9e89991fec277bc81ca5c66edbed0 — josealberto4444 2 years ago d9e6a84
Add answering functions
1 files changed, 90 insertions(+), 32 deletions(-)

M quiz/quiz.ino
M quiz/quiz.ino => quiz/quiz.ino +90 -32
@@ 66,31 66,10 @@ byte qaCounter = 0;
// Remote-command variabes
const unsigned long remoteSwitchScroll = 0x1fe48b7;
const unsigned long remotePause = 0x1fee817;


// Questions and answers
char buffer[256]; // Maximum length of any question or answer.

const char q_0[] PROGMEM = "What is the number of electrons going through the normal section of a wire whose current is 0.2 A during 16 s?";
const char a_00[] PROGMEM = "Answer 1: 10^16";
const char a_01[] PROGMEM = "Answer 2: 10^19";
const char a_02[] PROGMEM = "Answer 3: 1.6 * 10^19";
const char a_03[] PROGMEM = "Answer 4: 2.0 * 10^19";

const char q_1[] PROGMEM = "A particle's trajectory is given by the parametric equations x = t, y = t^2 / 2. What is its curvature radius?";
const char a_10[] PROGMEM = "Answer 1: (1+t^2)^(3/2)";
const char a_11[] PROGMEM = "Answer 2: (1+t^3)^(1/2)";
const char a_12[] PROGMEM = "Answer 3: (1+t)^(3/2)";
const char a_13[] PROGMEM = "Answer 4: (1+t)^(1/2)";

const char* const qa[] PROGMEM = {q_0, a_00, a_01, a_02, a_03, q_1, a_10, a_11, a_12, a_13};

const byte numberOfQuestions = sizeof(qa)/10;

char* getQA(byte qaNumber) {
  strcpy_P(buffer, (char*)pgm_read_word(&(qa[qaNumber])));
  return buffer;
}
const unsigned long remoteOne = 0x1fe807f;
const unsigned long remoteTwo = 0x1fe40bf;
const unsigned long remoteThree = 0x1fec03f;
const unsigned long remoteFour = 0x1fe20df;


// Scrolling class


@@ 195,6 174,72 @@ class Scroller {
};


// Questions and answers
char buffer[256]; // Maximum length of any question or answer.

const char q_0[] PROGMEM = "What is the number of electrons going through the normal section of a wire whose current is 0.2 A during 16 s?";
const char a_00[] PROGMEM = "Answer 1: 10^16";
const char a_01[] PROGMEM = "Answer 2: 10^19";
const char a_02[] PROGMEM = "Answer 3: 1.6 * 10^19";
const char a_03[] PROGMEM = "Answer 4: 2.0 * 10^19";

const char q_1[] PROGMEM = "A particle's trajectory is given by the parametric equations x = t, y = t^2 / 2. What is its curvature radius?";
const char a_10[] PROGMEM = "Answer 1: (1+t^2)^(3/2)";
const char a_11[] PROGMEM = "Answer 2: (1+t^3)^(1/2)";
const char a_12[] PROGMEM = "Answer 3: (1+t)^(3/2)";
const char a_13[] PROGMEM = "Answer 4: (1+t)^(1/2)";

const char* const qa[] PROGMEM = {q_0, a_00, a_01, a_02, a_03, q_1, a_10, a_11, a_12, a_13};

const byte correctAnswers[] = {3, 0};

const byte numberOfQuestions = sizeof(qa)/10;

char* getQA(byte qaNumber) {
  strcpy_P(buffer, (char*)pgm_read_word(&(qa[qaNumber])));
  return buffer;
}

Scroller currentQA(getQA(qaCounter), 'H');

void isCorrect(byte ans) {
  unsigned short confirmationDelay = 1000;
  if (ans == correctAnswers[questionCounter]) {
    questionCounter++;
    if (questionCounter >= numberOfQuestions) {
      questionCounter = 0;
    }
    qaCounter = 5*questionCounter;
    currentQA.reset(getQA(qaCounter));
    #ifdef _DEBUG
    Serial.println(F("Correct answer"));
    #endif
    lcd.clear();
    lcd.print(F("Correct!"));
    lcd.setCursor(0,1);
    lcd.print(F("Go for the next!"));
    tone(8, 392, 160);
    delay(160);
    tone(8, 523, 400);
    delay(confirmationDelay);
    lcd.clear();
  } else {
    #ifdef _DEBUG
    Serial.println(F("Wrong answer"));
    #endif
    lcd.clear();
    lcd.print(F("Wrong answer..."));
    lcd.setCursor(0,1);
    lcd.print(F("Keep trying!"));
    tone(8, 196, 160);
    delay(160);
    tone(8, 65, 400);
    delay(confirmationDelay);
    lcd.clear();
  }
}


// Interruption-related functions
void detectMotion() {
  motion = true;


@@ 212,9 257,6 @@ void updateActiveMillis() {



// Set-up
Scroller currentQA(getQA(qaCounter), 'H');

void setup() {
  pinMode(motionPin, INPUT);
  attachInterrupt(digitalPinToInterrupt(motionPin), detectMotion, RISING);


@@ 280,7 322,7 @@ void loop() {
        case 4:
          lcd.backlight();
          lcd.setCursor(0, 0);
          lcd.print("Hello!");
          lcd.print(F("Hello!"));
          screenStep = 2000;
          screenCounter++;
          prevScreenMillis = millis();


@@ 305,19 347,19 @@ void loop() {
      if (!(currentQA.completelyDisplayed)) {
        currentQA.scroll();
        #ifdef _DEBUG
        Serial.println("scroll");
        Serial.println(F("Scrolling message"));
        #endif
      } else {
        qaCounter++;
        if (qaCounter >= 5*(questionCounter+1)) {
          qaCounter = 5*questionCounter;
          #ifdef _DEBUG
          Serial.println("qaCounter overflow");
          Serial.println(F("Variable qaCounter overflowed > restarted"));
          #endif
        }
        currentQA.reset(getQA(qaCounter));
        #ifdef _DEBUG
        Serial.println("QAreset");
        Serial.println(F("Scrolling class reset with new message"));
        #endif
      }
      if (irrecv.decode(&results)) {


@@ 330,6 372,22 @@ void loop() {
            currentQA.pauseOrResume();
            updateActiveMillis();
            break;
          case remoteOne:
            isCorrect(0);
            updateActiveMillis();
            break;
          case remoteTwo:
            isCorrect(1);
            updateActiveMillis();
            break;
          case remoteThree:
            isCorrect(2);
            updateActiveMillis();
            break;
          case remoteFour:
            isCorrect(3);
            updateActiveMillis();
            break;
        }
        irrecv.resume();
      }