clarify lack of checking speed lower bound

[challenge-bot] / build-stages / h_stay_on_table / h_stay_on_table.ino

diff --git a/build-stages/h_stay_on_table/h_stay_on_table.ino b/build-stages/h_stay_on_table/h_stay_on_table.ino
index 07f7d17230591bea8820e73851b23957ac8f1512..48d0802d8c92643054b13e0977916078487ca58c 100644 (file)
--- a/build-stages/h_stay_on_table/h_stay_on_table.ino
+++ b/build-stages/h_stay_on_table/h_stay_on_table.ino
@@ -14,16 +14,16 @@
  */
 
 // define which pins are connected to which components
-int right_motor_speed_pin = 3;
-int right_motor_forward_pin = 4;
-int right_motor_backward_pin = 5;
+int right_motor_forward_pin = 3;
+int right_motor_backward_pin = 4;
+int right_motor_speed_pin = 5;
 
 int right_echo_pin = 6;
 int right_trigger_pin = 7;
 
-int left_motor_speed_pin = 8;
-int left_motor_forward_pin = 9;
-int left_motor_backward_pin = 10;
+int left_motor_forward_pin = 8;
+int left_motor_backward_pin = 9;
+int left_motor_speed_pin = 10;
 
 int left_echo_pin = 11;
 int left_trigger_pin = 12;
@@ -48,6 +48,7 @@ void set_motor(int speed_pin,
   else{ // speed is 0
     off(forward_pin);
     off(backward_pin);}
+  // since speed has been set positive, no need to check if speed < -255.
   if(speed > 255){
     speed = 255;}
   analogWrite(speed_pin, speed);}