ArduCitrouille : Différence entre versions

Version actuelle en date du 15 mai 2015 à 13:58

Introduction

Inspiration : Peter, the cyber pumpkin.

Exemple

Voir la vidéo complète : ardu-citrouillev0

En image fixe : media:Image-010.jpg

Extrait :

Programme

// Controlling a servo position using a potentiometer (variable resistor) 
// by Michal Rinott <http://people.interaction-ivrea.it/m.rinott> 

#include <Servo.h> 
 

#include <stdarg.h>
void debug(char *fmt, ... ){
        char tmp[128]; // resulting string limited to 128 chars
        va_list args;
        va_start (args, fmt );
        vsnprintf(tmp, 128, fmt, args);
        va_end (args);
        Serial.print(tmp);
} 

Servo myservo;  // create servo object to control a servo 
int debattement = 35;
int target_pos = 90;
int current_pos = target_pos - debattement;
int delta_pos = 5;
  
void setup() 
{ 
  myservo.attach(9);  // attaches the servo on pin 9 to the servo object 
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  Serial.begin(9600);
  Serial.println("Hello world");
  delay(2000);// Give reader a chance to see the output.
} 
 
void loop() 
{
  current_pos = current_pos + delta_pos;
  if (current_pos >= target_pos) {
    target_pos = 90 - debattement;
  }
  if (current_pos < target_pos) {
    target_pos = 90 + debattement;
  }
  delta_pos = (target_pos > current_pos) ? 1 : -1;
  if (delta_pos > 0) {
    digitalWrite(10, LOW);
    digitalWrite(11, HIGH);
  } else {
    digitalWrite(10, HIGH);
    digitalWrite(11, LOW);
  }
  debug("%d looking at %d by step %d\n", current_pos, target_pos, delta_pos); 
  myservo.write(current_pos);                  // sets the servo position according to the scaled value 
  delay(15);                  // waits for the servo to get there 
}