Make linker happy

Author: lunOptics

src/Stepper.cpp

@@ -78,4 +78,9 @@ void Stepper::setTargetRel(int32_t delta)
     setDir(delta < 0 ? -1 : 1);
     target = current + delta;
     A = std::abs(delta);
-}
+}
+
+const int32_t  Stepper::vMaxMax = 300000;  // largest speed possible (steps/s)
+const uint32_t Stepper::aMax = 500000;     // speed up to 500kHz within 1 s (steps/s^2)
+const uint32_t Stepper::vMaxDefault = 800; // should work with every motor (1 rev/sec in 1/4-step mode)
+const uint32_t Stepper::aDefault = 2500;   // reasonably low (~0.5s for reaching the default speed)

src/Stepper.h

@@ -5,10 +5,10 @@
 
 class Stepper
 {
-    static constexpr int32_t vMaxMax = 300000;   // largest speed possible (steps/s)
-    static constexpr uint32_t aMax = 500000;     // speed up to 500kHz within 1 s (steps/s^2)
-    static constexpr uint32_t vMaxDefault = 800; // should work with every motor (1 rev/sec in 1/4-step mode)
-    static constexpr uint32_t aDefault = 2500;   // reasonably low (~0.5s for reaching the default speed)
+    static const int32_t vMaxMax;      // largest speed possible (steps/s)
+    static const uint32_t aMax;        // speed up to 500kHz within 1 s (steps/s^2)
+    static const uint32_t vMaxDefault; // should work with every motor (1 rev/sec in 1/4-step mode)
+    static const uint32_t aDefault;    // reasonably low (~0.5s for reaching the default speed)
 
   public:
     Stepper(const int StepPin, const int DirPin);