Changeset 1172 in t29-www

Timestamp:

Mar 20, 2017, 10:26:20 PM (6 years ago)

Author:

heribert

Message:

Encoder-Programm korrigiert

File:

• physical-computing/encoder-mit-interrupt/encoder-mit-interrupt.ino (modified) (5 diffs)

physical-computing/encoder-mit-interrupt/encoder-mit-interrupt.ino

@@ -2 +2 @@
  * Rotary-Encoder Sketch mit Interrupt Nr. 2
  * beachte: Bei schnellen Vorgaengen verlangsamt der Serielle-Monitor den Sketch!
- *  
+ * Wenn der Button (Switch) zum Rueckstellen ins Programm eingebaut wird, muss
+ * man den INPUT mit PULLUP versehen! 
+ * 
  * read a rotary encoder with interrupts
    Encoder hooked up with common to GROUND,
@@ -15 +17 @@
 #define encoder0PinA  2
 #define encoder0PinB  3
-#define buttonPin 4
 
 volatile int encoder0Pos = 0;
@@ -23 +24 @@
   pinMode(encoder0PinA, INPUT); 
   pinMode(encoder0PinB, INPUT); 
-  pinMode(buttonPin, INPUT_PULLUP);
-
+  
   attachInterrupt(0, doEncoder, CHANGE);  // encoder pin on interrupt 0 - pin 2
   Serial.begin (9600);
-  Serial.println("Start");               
+  Serial.println("Start des Programms");               
 } 
 
@@ -39 +39 @@
    */
   if (digitalRead(encoder0PinA) == digitalRead(encoder0PinB)) {
+    encoder0Pos++;
+  } else {
     encoder0Pos--;
-  } else {
-    encoder0Pos++;
   }
    Serial.print("    ");
@@ -47 +47 @@
 }
 
-  // you don't want serial slowing down your program if not needed
+