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//Définition des ports pour controler les moteurs
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//Moteur gauche :
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#define IN1a 27
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#define IN2a 14
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#define IN3a 12
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#define IN4a 13
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//Moteur droit :
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#define IN1b 5
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#define IN2b 18
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#define IN3b 19
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#define IN4b 21
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#define BUTTON_PIN 0
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//Temps d'attente entre deux impulsions :
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int delayTime = 3;
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//Code éxécuté au démarrage (paramétrage) :
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void setup() {
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//On indique que les ports de controle des moteurs sont des sorties (output)
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pinMode(IN1a, OUTPUT);
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pinMode(IN2a, OUTPUT);
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pinMode(IN3a, OUTPUT);
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pinMode(IN4a, OUTPUT);
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pinMode(IN1b, OUTPUT);
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pinMode(IN2b, OUTPUT);
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pinMode(IN3b, OUTPUT);
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pinMode(IN4b, OUTPUT);
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pinMode(BUTTON_PIN, INPUT_PULLUP);
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Serial.begin(115200); //Démarrage d'une communication Série avec l'ordinateur s'il est connecté
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}
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//Code éxécuté en boucle jusqu'à l'extinction du robot
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void loop() {
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int buttonState = digitalRead(BUTTON_PIN);
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if (buttonState == LOW) {
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delay(1000);
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// Fonctions disponibles :
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// - forward(<distance en centimètre>);
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// - backward(<distance en centimètre>);
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// - left(<rotation en degré>);
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// - right(<rotation en degré>);
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// --- DEBUT DU CODE --- //
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// ---- FIN DU CODE ---- //
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}
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}
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//Fonction pour convertir une longueur en cm vers un nombre de pas moteur.
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int convertLengthToSteps(float length) {
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float result = length * 512 / (4 * 3.1415);
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return int(result);
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}
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//fonction pour convertir une rotation en degrés vers un nombre de pas moteur
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int convertRotToSteps(int rotation) {
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int result = convertLengthToSteps(rotation * 3.1415 / 180 * 7.8);
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return result;
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}
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void forward(int length) {
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for (int i = 0; i < convertLengthToSteps(length); i++) {
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digitalWrite(IN4a, HIGH);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, HIGH);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, HIGH);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, HIGH);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, HIGH);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, HIGH);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, HIGH);
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digitalWrite(IN4b, HIGH);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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}
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}
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void backward(int length) {
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for (int i = 0; i < convertLengthToSteps(length); i++) {
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, HIGH);
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digitalWrite(IN4b, HIGH);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, HIGH);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, HIGH);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, HIGH);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, HIGH);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, HIGH);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, HIGH);
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delay(delayTime);
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}
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}
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void right(int deg) {
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for (int i = 0; i < convertRotToSteps(deg); i++) {
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digitalWrite(IN4a, HIGH);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, HIGH);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, HIGH);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, HIGH);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, HIGH);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, HIGH);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, HIGH);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, HIGH);
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delay(delayTime);
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}
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}
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void left(int deg) {
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for (int i = 0; i < convertRotToSteps(deg); i++) {
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, HIGH);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, HIGH);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, HIGH);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, HIGH);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, HIGH);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, HIGH);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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digitalWrite(IN4a, HIGH);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, HIGH);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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delay(delayTime);
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}
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}
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void stopMotors(void) {
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digitalWrite(IN4a, LOW);
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digitalWrite(IN3a, LOW);
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digitalWrite(IN2a, LOW);
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digitalWrite(IN1a, LOW);
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digitalWrite(IN4b, LOW);
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digitalWrite(IN3b, LOW);
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digitalWrite(IN2b, LOW);
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digitalWrite(IN1b, LOW);
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}
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