From 457b147001875d2c440b5e6b120d97c8d7e9320f Mon Sep 17 00:00:00 2001
From: Lukas <lukas@haubaum.de>
Date: Tue, 12 Feb 2013 11:48:47 +0100
Subject: [PATCH] 4051 test sketch

---
 sketches/testing/_4051_test.ino | 47 +++++++++++++++++++++++++++++++--
 1 file changed, 45 insertions(+), 2 deletions(-)

diff --git a/sketches/testing/_4051_test.ino b/sketches/testing/_4051_test.ino
index a64cb46..789468d 100644
--- a/sketches/testing/_4051_test.ino
+++ b/sketches/testing/_4051_test.ino
@@ -12,27 +12,70 @@ void setup() {
   pinMode(s0,OUTPUT);
   pinMode(s1,OUTPUT);
   pinMode(s2,OUTPUT);  
+}
+
+void loop() {
+  //get Y0 of 4051
+  digitalWrite(s0, LOW);
+  digitalWrite(s1, LOW);
+  digitalWrite(s1, LOW);
+  int read =  analogRead(A1);
+  //only print value on change (tolerance of 4 out of 1024)
+  if (pots[0] < read - tolerance || pots[0] > read + tolerance) {
+    pots[0] = read;
+    Serial.print("pot 0: ");
+    Serial.print(pots[0]/8);
+    Serial.println();
+  }  
   
+  //get Y1 of 4051
+  digitalWrite(s0, HIGH);
+  digitalWrite(s1, LOW);
+  digitalWrite(s1, LOW);
+  read =  analogRead(A1);
+  if (pots[1] < read - tolerance || pots[1] > read + tolerance) {
+    pots[1] = read;
+    Serial.print("pot 1: ");
+    Serial.print(pots[1]/8);
+    Serial.println();
+  }
+}int potent = -1;
+int tolerance = 4;
+
+const int s0 = 10;
+const int s1 = 9;
+const int s2 = 8;
+
+int pots[] = {-1,-1};
+
+void setup() {
+  Serial.begin(9600);
+  pinMode(s0,OUTPUT);
+  pinMode(s1,OUTPUT);
+  pinMode(s2,OUTPUT);  
 }
 
 void loop() {
+  //get Y0 of 4051
   digitalWrite(s0, LOW);
   digitalWrite(s1, LOW);
   digitalWrite(s1, LOW);
   int read =  analogRead(A1);
+  //only print value on change (tolerance of 4 out of 1024)
   if (pots[0] < read - tolerance || pots[0] > read + tolerance) {
-    pots[0] = analogRead(A1);
+    pots[0] = read;
     Serial.print("pot 0: ");
     Serial.print(pots[0]/8);
     Serial.println();
   }  
   
+  //get Y1 of 4051
   digitalWrite(s0, HIGH);
   digitalWrite(s1, LOW);
   digitalWrite(s1, LOW);
   read =  analogRead(A1);
   if (pots[1] < read - tolerance || pots[1] > read + tolerance) {
-    pots[1] = analogRead(A1);
+    pots[1] = read;
     Serial.print("pot 1: ");
     Serial.print(pots[1]/8);
     Serial.println();