#ifndef __UI_H__
#define __UI_H__

#ifdef __cplusplus
extern "C" {
#endif

#include "stdint.h"
#include "statemachine.h"

#ifndef  ELEMCNT
#define  ELEMCNT(x)     (sizeof(x) / sizeof((x)[0]))
#endif


/***************************************************************************//**
* @brief Button codes
*******************************************************************************/
enum BTN_CODES {
   BTN_INC1 = 0,
   BTN_DEC1,
   BTN_INC2,
   BTN_DEC2,
   BTN_CH_ON1,
   BTN_CH_ON2,

   BTN_MAX
};


enum UI_EVENTS {
   EV_UI_TICK_10MS = EV_USER_FIRST,
   EV_UI_TICK_100MS,
   EV_UI_TICK_1S,
   EV_UI_RX_MUTE_CH1_ON,
   EV_UI_RX_MUTE_CH1_OFF,
   EV_UI_RX_MUTE_CH2_ON,
   EV_UI_RX_MUTE_CH2_OFF,

   EV_UI_KEY_PRESS     = 0x0100,
   EV_UI_KEY_PRESS_MAX = 0x01FF,
   EV_UI_KEY_REL       = 0x0200,
   EV_UI_KEY_REL_MAX   = 0x02FF,

   EV_NO_EVENT         = 0xFFFF
};

/***************************************************************************//**
* @brief Unit for mute switch from Air mixer
*******************************************************************************/
struct MixerMuteState {
   bool MuteMixer;      /// state received from mixer
   bool MuteLocal;      /// local state (sent to mixer)
   uint8_t MidiCtrlNr;  /// assign MIDI CC number to MUTE switch of Air mixer
   BTN_CODES UiButton;  /// assigned button
   uint16_t UiEventOn;  /// event to send to UI statemachine
   uint16_t UiEventOff; /// event to send to UI statemachine
   TimedPin* Led;
   
   MixerMuteState(uint8_t ctrl_nr, TimedPin* led, BTN_CODES button = BTN_MAX, uint16_t uieventon = EV_NO_EVENT, uint16_t uieventoff = EV_NO_EVENT) :
      MuteMixer(false), MuteLocal(false), MidiCtrlNr(ctrl_nr), UiButton(button), UiEventOn(uieventon), UiEventOff(uieventoff), Led(led) { }
};



extern void UI_Init();
extern void UI_EventProc(uint16_t event);
extern void UI_EventSend(uint16_t event);
extern void UI_CheckEvent();


#ifdef __cplusplus
}
#endif

#endif