First integration of the motion sensor (bma 421) : step counting + wake on wrist rotation + app to see the value of the 3 axis in "real time".

src/displayapp/screens/Motion.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <cstdint>
+#include <chrono>
+#include "Screen.h"
+#include <bits/unique_ptr.h>
+#include <libs/lvgl/src/lv_core/lv_style.h>
+#include <libs/lvgl/src/lv_core/lv_obj.h>
+#include <components/motion/MotionController.h>
+
+namespace Pinetime {
+  namespace Applications {
+    namespace Screens {
+
+      class Motion : public Screen{
+      public:
+        Motion(DisplayApp* app, Controllers::MotionController& motionController);
+        ~Motion() override;
+
+        bool Refresh() override;
+        bool OnButtonPushed() override;
+
+      private:
+        Controllers::MotionController& motionController;
+        lv_obj_t * chart;
+        lv_chart_series_t * ser1;
+        lv_chart_series_t * ser2;
+        lv_chart_series_t * ser3;
+
+        lv_obj_t* labelStep;
+        lv_obj_t* labelStepValue;
+        static constexpr uint8_t nbStepsBufferSize = 9;
+        char nbStepsBuffer[nbStepsBufferSize+1];
+        bool running = true;
+
+      };
+    }
+  }
+}