ADD measure time call

multi_tasking/gear_device.hpp

@@ -31,9 +31,15 @@
 
 namespace multi_tasking {
 
+typedef struct gearMail {
+    uint8_t gear;
+    std::chrono::microseconds callTime;
+} gearMail_t;
+
 class GearDevice {
    public:
-    explicit GearDevice(Mail<uint8_t, 16>* mailBox);  // NOLINT(runtime/references)
+    explicit GearDevice(Mail<gearMail_t, 16>* mailBox,
+                        Timer& timer);  // NOLINT(runtime/references)
 
     // make the class non copyable
     GearDevice(GearDevice&)            = delete;
@@ -48,7 +54,8 @@ class GearDevice {
    private:
     // data members
     volatile uint8_t _currentGear = bike_computer::kMinGear;
-    Mail<uint8_t, 16>* _mailBox;
+    Mail<gearMail_t, 16>* _mailBox;
+    Timer& _timer;
 };
 
 }  // namespace multi_tasking