added pid settings to menu

src/moveControl.cpp

@@ -89,6 +89,15 @@ void MoveControl::setPidTunings(uint8_t side, double p, double i, double d) {
     selectedPID->SetTunings(p, i, d);
 }
 
+PID* MoveControl::getPID(uint8_t side) {
+    if (side == 0)
+        return this->left_pid;
+    else if (side == 1)
+        return this->right_pid;
+    else
+        return nullptr;
+}
+
 void MoveControl::calcTargetWheelSpeed() {
     /* original formula:
        (1 / r) / 1  b \ / x \ = / Xl \