bugfix

fixed receiving 0 on RC channels resulting in out of range values
fixed Christophe Gregorio (bad wiring)

CG_MarioKart.ino

@@ -25,6 +25,7 @@ int dirs_pin[2] = {4, 7};
 
 int threshold = 30 ;
 
+int manualMaxSpeed = 1024 ;
 const int maxSpeed_pin = A0;
 const int driftCorrection_pin = A1 ;
 int maxSpeed = 1024;
@@ -62,11 +63,13 @@ Serial.begin(9600); // Pour a bowl of Serial (for debugging)
 
 void loop() {
 
-  //Read and scale analog inputs
+//  Read and scale analog inputs
 //  maxSpeed = map (analogRead(maxSpeed_pin), 0, 1024, 0, 255);
+  maxSpeed = manualMaxSpeed ;
 //  driftCorrection = analogRead(driftCorrection_pin) ;
-//  driftCorrection = driftCorrection / 512 - 1 ; // -1..1
-//  driftCorrection *= 0.5 ;
+  driftCorrection = 511 ;
+  driftCorrection = driftCorrection / 512 - 1 ; // -1..1
+  driftCorrection *= 0.5 ;
 
   Serial.print("maxSpeed:"); //Serial debugging stuff
   Serial.println(maxSpeed);
@@ -79,6 +82,14 @@ void loop() {
   ch2 = pulseIn(ch2_pin, HIGH, 25000); // each channel
   ch1 = middleThreshold(ch1, threshold);
   ch2 = middleThreshold(ch2, threshold);
+  if(ch1 == 0) {ch1 = 1500;}
+  if(ch2 == 0) {ch2 = 1500;}
+  
+  Serial.print("ch1:"); //Serial debugging stuff
+  Serial.println(ch1);
+  
+  Serial.print("ch2:"); //Serial debugging stuff
+  Serial.println(ch2);
   
   //Refresh and scale raw move values
   move = map(ch2, 1000,2000, -255, 255); //center over zero
@@ -96,15 +107,18 @@ void loop() {
   int speeds[2] = {0, 0} ;
   
   int Dir = move>0 ? 1 : 0;
-  move = min( abs(move), maxSpeed) ;
+//  move = min( abs(move), maxSpeed) ;
+  move = abs(move);
   turn = constrain(turn, -move, move);
   
   if (turn>0) { speeds[0] = move; speeds[1] = move - turn  ; }
   if (turn<=0) { speeds[0] = move + turn ; speeds[1] = move   ;  }
 
-  if (driftCorrection>0) { speeds[0] *= 1-driftCorrection ; }
-  if (driftCorrection<=0) { speeds[1] *= 1+driftCorrection ; }
+//  if (driftCorrection>0) { speeds[0] *= 1-driftCorrection ; }
+//  if (driftCorrection<=0) { speeds[1] *= 1+driftCorrection ; }
 //  
+
+
   Serial.print("speeds: "); //Serial debugging stuff
   Serial.print(speeds[0]);
   Serial.print(" - ");