state-handler: #6 add state controller functions

- HandleState to set an event of the state
- SetState to update current state to new

StateHandler/inc/StateHandler.h

@@ -15,10 +15,10 @@
 #ifndef STATE_HANDLER_H_
 #define STATE_HANDLER_H_
 
-#include "DigitalIoPin.h"
-#include "LiquidCrystal.h"
 #include "Counter.h"
+#include "DigitalIoPin.h"
 #include "Event.h"
+#include "LiquidCrystal.h"
 
 /** Buttons enumeration
  *
@@ -28,7 +28,8 @@
  * of the particular button.
  * */
 
-enum _buttons {
+enum _buttons
+{
   /** Raises the bar up */
   BUTTON_CONTROL_UP,
   /** Raises the bar down */
@@ -42,14 +43,16 @@ enum _buttons {
   BUTTON_CONTROL_TOG_ACTIVE
 };
 
-enum _bars {
+enum _bars
+{
   /** 0-100 % */
   FAN_SPEED,
   /** 0-120 Pa */
   PRESSURE
 };
 
-enum _mode {
+enum _mode
+{
   MANUAL,
   AUTO
 };
@@ -57,8 +60,8 @@ enum _mode {
 class StateHandler;
 typedef void (StateHandler::*state_pointer) (const Event &);
 
-
-class StateHandler {
+class StateHandler
+{
 public:
   StateHandler (LiquidCrystal *lcd);
   virtual ~StateHandler ();
@@ -86,6 +89,7 @@ public:
    * @param event event to be handled in the current state
    */
   void HandleState (const Event &event);
+
 private:
   state_pointer current;
   /** Set a new curremt state
@@ -95,7 +99,6 @@ private:
   bool current_mode;
   Counter set[2] = { { 0, 100 }, { 0, 120 } };
   LiquidCrystal *_lcd;
-
 };
 
 #endif /* STATE_HANDLER_H_ */

StateHandler/src/StateHandler.cpp

@@ -61,3 +61,14 @@ StateHandler::SetState (state_pointer newstate)
   current = newstate;
   (this->*current) (Event (Event::eEnter));
 }
+
+void StateHandler::HandleState(const Event &event){
+	(this->*current)(event);
+}
+
+void StateHandler::SetState(state_pointer newstate){
+	(this->*current)(Event(Event::eExit));
+	current = newstate;
+	(this->*current)(Event(Event::eEnter));
+
+}