ADD gear event driven

multi_tasking/bike_system.hpp

@@ -67,7 +67,10 @@ class BikeSystem {
     // private methods
     void init();
     void onReset();
-    void gearTask();
+    void onGearUp();
+    void onGearDown();
+    void gearUpTask();
+    void gearDownTask();
     void speedDistanceTask();
     void temperatureTask();
     void resetTask();
@@ -75,13 +78,23 @@ class BikeSystem {
     void displayTask2();
     void cpuTask();
 
+    uint8_t getCurrentGear();
+    uint8_t getCurrentGearSize();
+    void setCurrentGear(uint8_t gear);
+
     // timer instance used for loggint task time and used by ResetDevice
-    std::chrono::microseconds _resetTime = std::chrono::microseconds::zero();
+    std::chrono::microseconds _resetTime      = std::chrono::microseconds::zero();
+    std::chrono::microseconds _onGearUpTime   = std::chrono::microseconds::zero();
+    std::chrono::microseconds _onGearDownTime = std::chrono::microseconds::zero();
+
     Timer _timer;
     // data member that represents the device for manipulating the gear
     GearDevice _gearDevice;
+    //////////////////////////////////////////////////////////////
+    // shared resources between the main thread and the isr thread
     uint8_t _currentGear     = bike_computer::kMinGear;
     uint8_t _currentGearSize = bike_computer::kMinGearSize;
+    //////////////////////////////////////////////////////////////
     // data member that represents the device for manipulating the pedal rotation
     // speed/time
     PedalDevice _pedalDevice;
@@ -107,9 +120,12 @@ class BikeSystem {
     EventQueue _isrEventQueue;
     EventQueue _eventQueue;
 
+    // mutex for shared resource
+    Mutex mutexGearSize;
+    Mutex mutexGear;
+
     // Tread for isr events
     Thread _isrEventThread;
-    Thread _mainEventThread;
 
     void dispatch_isr_events();
     void dispatch_events();