130 lines
2.6 KiB
C++
130 lines
2.6 KiB
C++
/*
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* StateHandler.h
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*
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* Created on: Sep 21, 2022
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* Author: tylen
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*
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* Purpose of this class is to store and pass
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* the events of the current mode to further process.
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*
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* Current goal is to make it to operate on interrupts
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* caused by button presses.
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*
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*/
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#ifndef STATE_HANDLER_H_
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#define STATE_HANDLER_H_
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#include "Counter.h"
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#include "DigitalIoPin.h"
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#include "Event.h"
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#include "LiquidCrystal.h"
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/** Buttons enumeration
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*
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* Current switch state is being passed
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* from main to StateHandler through
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* a keyEvent. Enumeration determines the state
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* of the particular button.
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* */
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enum _buttons
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{
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/** Raises the bar up */
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BUTTON_CONTROL_UP,
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/** Raises the bar down */
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BUTTON_CONTROL_DOWN,
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/** Toggles the mode between auto and
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* manual, which changes the state */
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BUTTON_CONTROL_TOG_MODE,
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/** Optional button to toggle the
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* activation of the current setting.
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* Not compulsory to be used. */
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BUTTON_CONTROL_TOG_ACTIVE
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};
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enum _bars
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{
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/** 0-100 % */
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FAN_SPEED,
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/** 0-120 Pa */
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PRESSURE
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};
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enum _mode
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{
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MANUAL,
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AUTO
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};
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class StateHandler;
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typedef void (StateHandler::*state_pointer) (const Event &);
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class StateHandler
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{
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public:
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StateHandler (LiquidCrystal *lcd);
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virtual ~StateHandler ();
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/** Get currently set pressure
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*
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* @return pressure in range of 0-120
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*/
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unsigned int getSetPressure ();
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/** Get currently set FanSpeed
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*
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* @return speed in range of 0-100
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*/
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unsigned int getSetSpeed ();
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/** Display values on LCD depending on current mode
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*
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* @param value1 value to be displayed on LCD line 0
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* @param value2 value to be displayed on LCD line 1
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*/
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void displaySet (unsigned int value1, unsigned int value2);
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/** Handle the given event of the current state
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* @param event event to be handled in the current state
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*/
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void HandleState (const Event &event);
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private:
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state_pointer current;
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/** Set a new curremt state
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* @param newstate new state to be set to current
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*/
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void SetState (state_pointer newstate);
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bool current_mode;
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Counter value[2] = { { 0, 100 }, { 0, 120 } };
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LiquidCrystal *_lcd;
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/** Initialization state
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*
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* @param event event of the state
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*/
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void stateInit (const Event &event);
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/** Manual state
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*
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* - set current speed
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* - print current pressure
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*
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* @param event event of the state
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*/
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void stateManual (const Event &event);
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/** Automated state
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*
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* - print current pressure
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* - print set pressure
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* - inc/dec fan speed
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*
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* @param event
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*/
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void stateAuto (const Event &event);
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};
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#endif /* STATE_HANDLER_H_ */
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