implement printer controls; implement calibration data collection

1 files changed, 11 insertions, 3 deletions

diff --git a/rotaryencoder.h b/rotaryencoder.h
index f2f9b76..c0c39d8 100644
--- a/rotaryencoder.h
+++ b/rotaryencoder.h
@@ -2,11 +2,19 @@
 
 #include <cstdint>
 
-class rotaryencoder
+// TODO: delete singleton functionality
+class RotaryEncoder final
 {
 public:
-    rotaryencoder();
+    RotaryEncoder();
+    ~RotaryEncoder();
 
 public:
-    int64_t position() const;
+    static RotaryEncoder* instance();
+
+public:
+    int32_t position() const;
+
+private:
+    static inline RotaryEncoder* m_self { nullptr };
 };