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
  *
@@ -28,74 +28,77 @@
  * of the particular button.
  * */
 
-enum _buttons {
-	/** Raises the bar up */
-	BUTTON_CONTROL_UP,
-	/** Raises the bar down */
-	BUTTON_CONTROL_DOWN,
-	/** Toggles the mode between auto and
-	 *  manual, which changes the state */
-	BUTTON_CONTROL_TOG_MODE,
-	/** Optional button to toggle the 
-	 * activation of the current setting.
-	 * Not compulsory to be used. */
-	BUTTON_CONTROL_TOG_ACTIVE
+enum _buttons
+{
+  /** Raises the bar up */
+  BUTTON_CONTROL_UP,
+  /** Raises the bar down */
+  BUTTON_CONTROL_DOWN,
+  /** Toggles the mode between auto and
+   *  manual, which changes the state */
+  BUTTON_CONTROL_TOG_MODE,
+  /** Optional button to toggle the
+   * activation of the current setting.
+   * Not compulsory to be used. */
+  BUTTON_CONTROL_TOG_ACTIVE
 };
 
-enum _bars {
-	/** 0-100 % */
-	FAN_SPEED,
-	/** 0-120 Pa */
-	PRESSURE
+enum _bars
+{
+  /** 0-100 % */
+  FAN_SPEED,
+  /** 0-120 Pa */
+  PRESSURE
 };
 
-enum _mode {
-	MANUAL,
-	AUTO
+enum _mode
+{
+  MANUAL,
+  AUTO
 };
 
 class StateHandler;
-typedef void (StateHandler::*state_pointer)(const Event &);
+typedef void (StateHandler::*state_pointer) (const Event &);
 
-
-class StateHandler {
+class StateHandler
+{
 public:
-	StateHandler(LiquidCrystal * lcd);
-	virtual ~StateHandler();
+  StateHandler (LiquidCrystal *lcd);
+  virtual ~StateHandler ();
 
-	/** Get currently set pressure
-	 * 
-	 * @return pressure in range of 0-120
-	 */
-	unsigned int getSetPressure();
+  /** Get currently set pressure
+   *
+   * @return pressure in range of 0-120
+   */
+  unsigned int getSetPressure ();
 
-	/** Get currently set FanSpeed
-	*
-	* @return speed in range of 0-100
-	*/
-	unsigned int getSetSpeed();
+  /** Get currently set FanSpeed
+   *
+   * @return speed in range of 0-100
+   */
+  unsigned int getSetSpeed ();
 
-	/** Display values on LCD depending on current mode
-	 * 
-	 * @param value1 value to be displayed on LCD line 0
-	 * @param value2 value to be displayed on LCD line 1
-	 */
-	void displaySet(unsigned int value1, unsigned int value2);
+  /** Display values on LCD depending on current mode
+   *
+   * @param value1 value to be displayed on LCD line 0
+   * @param value2 value to be displayed on LCD line 1
+   */
+  void displaySet (unsigned int value1, unsigned int value2);
+
+  /** Handle the given event of the current state
+   * @param event event to be handled in the current state
+   */
+  void HandleState (const Event &event);
 
-	/** Handle the given event of the current state
-	* @param event event to be handled in the current state 
-	*/
-	void HandleState(const Event &event);
 private:
-	state_pointer current;
-	/** Set a new curremt state
-	* @param newstate new state to be set to current 
-	*/
-	void SetState(state_pointer newstate);
-	bool current_mode;
-	Counter set [2] = {{0, 100}, {0, 120}};
-	LiquidCrystal * _lcd;
-
+  state_pointer current;
+  /** Set a new curremt state
+   * @param newstate new state to be set to current
+   */
+  void SetState (state_pointer newstate);
+  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));
+
+}