Aggiunti esempi, funzioni per servo

[rover] / libraries / rover / rover.cpp

diff --git a/libraries/rover/rover.cpp b/libraries/rover/rover.cpp
index 5328a02bf8328a8388edabac9e4c724faa7d2e70..a5989b6dd44f0cf1a127f9bd2ed97df4d8eb1e55 100644 (file)
--- a/libraries/rover/rover.cpp
+++ b/libraries/rover/rover.cpp
@@ -1,5 +1,5 @@
 /*
-  Rover 
+  Rover
 
 Autore: Andrea Manni
 
@@ -13,7 +13,7 @@ Licenza:    GPLv3
 
 #define dEBUG
 
-// Configurazione con OUTPUT digitali
+// Configurazione parametri: variabili GLOBALI
 // motor one
 const int enA = 6;
 const int in1 = 7;
@@ -24,20 +24,47 @@ const int enB = 5;
 const int in3 = 4;
 const int in4 = 3;
 byte speedB = 255;
-// Funzioni
 
+// Servo vars
+int pos = 0;    // variable to store the servo position
+const byte servoPIN =9 ;
+const byte middle = 90; // Centratura servo
+const int spausa = 10; // Pausa movimenti servo
+const byte sx = 10;  // Min SX
+const byte dx = 170; // Maz DX
+Servo myservo; // Non c'e' bisogno di extern se e' dichiarato in questo scope
+
+// Ultrasuoni
+const byte trigPIN = 11;
+const byte echoPIN= 12;
+const byte ledPIN = 13;
+long duration;
+int distance;
+const int minDistance = 10;
+
+////////////////////////
+// Funzioni:
+//
 void abilita() {
-// Abilita i PINs come OUTPUTS
+// Abilita i PINs come OUTPUTS e attacca un servo 
+// Motors
     pinMode(enA, OUTPUT);
     pinMode(in1, OUTPUT);
     pinMode(in2, OUTPUT);
     pinMode(enB, OUTPUT);
     pinMode(in3, OUTPUT);
     pinMode(in4, OUTPUT);
+// Servo
+    pinMode(servoPIN, OUTPUT);
+    myservo.attach(servoPIN); //la libreria servo deve essere sempre inclusa
+// Ultrasonic
+       pinMode(trigPIN, OUTPUT);
+    pinMode(echoPIN, INPUT);
+    pinMode(ledPIN, OUTPUT);
 }
 
 
-// MotorB
+// MotorA
 void forwardA() {
     // Avanzamento motore
     digitalWrite(in1,LOW);
@@ -45,6 +72,13 @@ void forwardA() {
     analogWrite(enA,speedA);
 }
 
+void forwardA(byte speedA) {
+    // Avanzamento motore
+    digitalWrite(in1,LOW);
+    digitalWrite(in2,HIGH);
+    analogWrite(enA,speedA);
+}
+
 void backwardA() {
     // Reverse motore
     digitalWrite(in2,LOW);
@@ -52,6 +86,13 @@ void backwardA() {
     analogWrite(enA,speedA);
 }
 
+void backwardA(byte speedA) {
+    // Reverse motore
+    digitalWrite(in2,LOW);
+    digitalWrite(in1,HIGH);
+    analogWrite(enA,speedA);
+}
+
 void stopA() {
     // Stop
     digitalWrite(enA,LOW);
@@ -65,6 +106,13 @@ void forwardB() {
     analogWrite(enB,speedB);
 }
 
+void forwardB(byte speedB) {
+    // Avanzamento motore
+    digitalWrite(in3,LOW);
+    digitalWrite(in4,HIGH);
+    analogWrite(enB,speedB);
+}
+
 void backwardB() {
     // Reverse motore
     digitalWrite(in4,LOW);
@@ -72,7 +120,114 @@ void backwardB() {
     analogWrite(enB,speedB);
 }
 
+void backwardB(byte speedB) {
+    // Reverse motore
+    digitalWrite(in4,LOW);
+    digitalWrite(in3,HIGH);
+    analogWrite(enB,speedB);
+}
+
 void stopB() {
     // Stop
     digitalWrite(enB,LOW);
 }
+
+
+// Entrambi i motori
+void avanti() {
+    // Drive ahead: funzione composita
+    forwardA() ;
+    forwardB() ;
+}
+void indietro() {
+    // Drive backward: funzione composita
+    backwardA();
+    backwardB();
+}
+void giraSX() {
+    // Gira a DX
+    forwardB() ;
+    backwardA();
+}
+void giraDX()  {
+    // Gira a DX
+    forwardA() ;
+    backwardB();
+}
+void stop()  {
+    stopA();
+    stopB();
+}
+
+
+
+// Servo
+void servoDX() {
+    // TurnDX
+    while (pos < dx) {
+        myservo.write(pos++);
+        delay(spausa);
+    }
+}
+
+void servoSX() {
+    // TurnSX
+    while (pos > sx) {
+        myservo.write(pos--);
+        delay(spausa);
+    }
+}
+
+void servoMiddle() {
+    // Middle
+    while (pos > middle) {
+        myservo.write(pos--);
+        delay(spausa);
+    }
+    while (pos < middle) {
+        myservo.write(pos++);
+        delay(spausa);
+    }
+}
+
+
+// Ultrasuoni
+boolean distanceCheck() {
+// Verifica se la distanza di un oggetto e' minore di minDistance
+    digitalWrite(trigPIN, LOW);  // Prepare for ping
+    delayMicroseconds(2); //
+    digitalWrite(trigPIN, HIGH); // Send a ping
+    delayMicroseconds(10); //
+    digitalWrite(trigPIN, LOW); // Set down ping
+    duration = pulseIn(echoPIN, HIGH);
+    //distance = (duration / 2) / 29.1; // Speed is ~300m/s,
+    // so it takes ~29.1 milliseconds for a cm.
+    distance = (duration / 58.2); // Atmegas are not found of divisions
+    // Distance is half of (out + back)
+#ifdef DEBUG
+Serial.print("Distanza oggetto: ");    
+Serial.println(distance);
+#endif
+    if (distance < minDistance) {  // This is where the LED On/Off happens
+        return 1;
+    }
+    else {
+        return 0;
+    }
+}
+
+int distanceMonitor() {
+// Ritorna la distanza di un oggetto in cm
+    digitalWrite(trigPIN, LOW);  // Prepare for ping
+    delayMicroseconds(2); //
+    digitalWrite(trigPIN, HIGH); // Send a ping
+    delayMicroseconds(10); //
+    digitalWrite(trigPIN, LOW); // Set down ping
+    duration = pulseIn(echoPIN, HIGH);
+    //distance = (duration / 2) / 29.1; // Speed is ~300m/s,
+    // so it takes ~29.1 milliseconds for a cm.
+    distance = (duration / 58.2); // Atmegas are not found of divisions
+    // Distance is half of (out + back)
+
+    return distance;
+}