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Ci-dessous, les différences entre deux révisions de la page.

--- projets:turntable:accueil [2019/04/15 16:17]
resonance
+++ projets:turntable:accueil [2019/04/24 13:35] (Version actuelle)
resonance [Turntable]
@@ Ligne 6: / Ligne 6: @@
   * Date : 12/02/2019
   * Licence : libre !
-  * Fichiers : {{ :projets:turntable:scratch-philarmonie.zip |scratch_philarmonie}}
+  * Fichiers Scratch : {{ :projets:turntable:scratch.zip |scratch.zip}}
+  * Fichiers Synth-rockband : {{ :projets:turntable:synth-rockstar6.zip |synth-rockstar6.zip}}
+  *
-===== =====
+===== Test =====
 | {{youtube>yCrV8tEK90g?medium}} | Utilisation d'un [[https://www.dfrobot.com/wiki/index.php/Incremental_Photoelectric_Rotary_Encoder_-_400P/R_SKU:_SEN0230#Specification|encoder photo-electrique]] de (400 pas/tour) pour se balader dans une table audio d'un patch puredata.|
+=== code arduino ===
+++++ audio-scratchBtn2.ino |
+<code cpp>
+/***************************************************
+  Two phase quadrature encoder(Incremental)
+* ****************************************************
+   To determine motor with encode （CW OR CCW）
+  @author Dong
+  @version  V1.0
+  @date  2016-5-26
+  All above must be included in any redistribution
+* ****************************************************/
+#define  A_PHASE 2 // modified
+#define  B_PHASE 3
+double flag_A = 0;  //Assign a value to the token bit
+double flag_B = 0;  //Assign a value to the token bit
+double pos = 0;
+double newpos = 0;
+/** *  */
+// set pin numbers:
+const int buttonPin = 8;     // the number of the pushbutton pin
+const int ledPin =  13;      // the number of the LED pin
+// variables will change:
+int buttonState = 0;         // variable for reading the pushbutton status
+int previousButtonState = 0;
+void setup() {
+  // initialize the LED pin as an output:
+  pinMode(ledPin, OUTPUT);
+  // initialize the pushbutton pin as an input:
+  pinMode(buttonPin, INPUT_PULLUP);
+  //
+  pinMode(A_PHASE, INPUT);
+  pinMode(B_PHASE, INPUT);
+  Serial.begin(9600);   //Serial Port Baudrate: 9600
+  //Interrupt trigger mode: RISING
+  attachInterrupt(digitalPinToInterrupt( A_PHASE), interrupt, RISING);
+  previousButtonState = digitalRead(buttonPin);
+}
+void loop() {
+  if (pos != newpos){
+  Serial.print("enc ");
+  Serial.println(pos);
+  delay(10);// Direction judgement
+  newpos = pos;
+  }
+  //
+  // read the state of the pushbutton value:
+  buttonState = digitalRead(buttonPin);
+  // check if the pushbutton is pressed.
+  // if it is, the buttonState is HIGH:
+  if (buttonState == HIGH && previousButtonState == LOW) {
+    // turn LED on:
+    digitalWrite(ledPin, HIGH);
+    Serial.println("btn 1");
+    delay(20);
+  }
+  if (buttonState == LOW && previousButtonState == HIGH) {
+    // turn LED off:
+    digitalWrite(ledPin, LOW);
+    Serial.println("btn 0");
+    delay(20);
+  }
+  previousButtonState = buttonState;
+}
+void interrupt()// Interrupt function
+{ char i;
+  i = digitalRead( B_PHASE);
+  if (i == 1)
+  {
+    flag_A += 1;
+  }
+  else
+  {
+    flag_B += 1;
+  }
+  pos = flag_A - flag_B;
+}
+</code>
+++++

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