#pragma SFR
#pragma NOP
#pragma HALT
#pragma STOP

#include "incs.h"

#include "i2c_twl.h"
#include "i2c_ctr.h"
#include "led.h"
#include "pm.h"
#include "rtc.h"



//=========================================================
#define INTERVAL_TSK_SW  8
#define CLICK_THRESHOLD  2

#ifdef _FOR_E3_
#define HOLD_THREASHOLD (u8)( 800 / INTERVAL_TSK_SW )
#else
#define HOLD_THREASHOLD (u8)( 2000 / INTERVAL_TSK_SW )
#endif


//=========================================================
u8      SW_pow_count;
bit     SW_pow_mask;

u8      SW_home_count, SW_wifi_count;

bit     SW_HOME_n;

//=========================================================
// 押した時間を数える。押しっぱなしでも0に戻らない
// maskが非0の時は、一度離すまで無視する
#define count_sw_n( sw, counter, mask )   \
  {                                       \
    if( sw ){                             \
      mask = 0;                           \
      counter = 0;                        \
    }else{                                \
      if( mask != 0 ){                    \
        counter = 0;                      \
      }else{                              \
        counter += 1;                     \
        if( counter == 0 ) counter = 255; \
      }                                   \
    }                                     \
  }


#define chk_clicked( button, count, irq_bit_name )    \
    if( !button )                                     \
    {                                                 \
        if( count <= CLICK_THRESHOLD )                \
        {                                             \
            count += 1;                               \
        }                                             \
        if( count == CLICK_THRESHOLD )                \
        {                                             \
            set_irq( VREG_C_IRQ0, irq_bit_name );     \
        }                                             \
    }                                                 \
    else                                              \
    {                                                 \
        count = 0;                                    \
    }



/* ========================================================
 スイッチの監視
  　チャタリングをはねたり、長押しや、押したトリガなどの検出など
 ======================================================== */
void tsk_sw(  )
{
    static u16 cnt_force_off = 0;
    static u8 task_interval = 0;

    switch ( system_status.pwr_state )
    {
    case ( ON_TRIG ):
        cnt_force_off = 0;
        break;
    }

    if( task_interval-- != 0 )
    {
        return;
    }
    else
    {
        task_interval = (u8)( INTERVAL_TSK_SW / SYS_INTERVAL_TICK );
    }

    switch ( system_status.pwr_state )
    {
    case ( ON ):
    case ( SLEEP ):
    case ( BT_CHARGE ):
    case ( OFF ):
        // 電源スイッチの監視 //
        count_sw_n( SW_POW_n, SW_pow_count, SW_pow_mask );        // ボタン押し時間のカウント
        if( SW_POW_n )
        {
            if( SW_pow_count == CLICK_THRESHOLD )
            {
#ifdef _SW_HOME_ENABLE_
                set_irq( VREG_C_IRQ0, REG_BIT_SW_POW_CLICK );
#else
                set_irq( VREG_C_IRQ0, REG_BIT_SW_HOME_CLICK );
#endif
            }
        }
        else if( SW_pow_count == HOLD_THREASHOLD )
        {
#ifdef _SW_HOME_ENABLE_
            set_irq( VREG_C_IRQ0, REG_BIT_SW_POW_HOLD );
#else
            set_irq( VREG_C_IRQ0, REG_BIT_SW_HOME_HOLD );
#endif
            cnt_force_off = 1;
        }

        if( cnt_force_off != 0 )
        {
#ifdef _FOR_E3_
            if( ++cnt_force_off == ( 200 / INTERVAL_TSK_SW ) )
#else
            if( ++cnt_force_off == ( 4000 / INTERVAL_TSK_SW ) )
#endif
            {
                // タイムアウトによる強制OFF
                cnt_force_off = 0;
                vreg_ctr[ VREG_C_LED_POW ] = LED_POW_ILM_ONLY_RED;
                system_status.pwr_state = OFF_TRIG;
                renge_task_interval_run_force = 1;
            }
        }

#ifdef  _SW_HOME_ENABLE_
        // HOME スイッチ //
        switch( system_status.model )
        {
# ifdef _MODEL_CTR_
            case( MODEL_JIKKI ):
                SW_HOME_n = SW_HOME_n_JIKKI;
                break;
# endif
            case( MODEL_TS_BOARD ):
            case( MODEL_SHIROBAKO ):
                SW_HOME_n = SW_HOME_n_TSBOARD;
                break;
            default:
                SW_HOME_n = 1;  // 放されてる状態
        }
        chk_clicked( SW_HOME_n, SW_home_count, REG_BIT_SW_HOME_CLICK );
#endif

        // wifi sw //
        chk_clicked( SW_WIFI_n, SW_wifi_count, REG_BIT_SW_WIFI_CLICK );
    }
}