Declare single-argument constructors explicit

Firmware/MotorControl/controller.hpp

@@ -34,7 +34,7 @@ public:
         bool setpoints_in_cpr = false;
     };
 
-    Controller(Config_t& config);
+    explicit Controller(Config_t& config);
     void reset();
     void set_error(Error_t error);
 

Firmware/MotorControl/sensorless_estimator.hpp

@@ -14,7 +14,7 @@ public:
         float pm_flux_linkage = 1.58e-3f; // [V / (rad/s)]  { 5.51328895422 / (<pole pairs> * <rpm/v>) }
     };
 
-    SensorlessEstimator(Config_t& config);
+    explicit SensorlessEstimator(Config_t& config);
 
     bool update();
 

Firmware/MotorControl/trapTraj.hpp

@@ -9,13 +9,14 @@ public:
         float decel_limit = 5000.0f; // [count/s^2]
         float A_per_css = 0.0f;      // [A/(count/s^2)]
     };
+    
     struct Step_t {
         float Y;
         float Yd;
         float Ydd;
     };
 
-    TrapezoidalTrajectory(Config_t& config);
+    explicit TrapezoidalTrajectory(Config_t& config);
     bool planTrapezoidal(float Xf, float Xi, float Vi,
                          float Vmax, float Amax, float Dmax);
     Step_t eval(float t);