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

#include "incs.h"

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



//=========================================================
#define INTERVAL_TSK_SW  16
#define CLICK_THRESHOLD  1
#define HOLD_THREASHOLD (u8)( 600 / INTERVAL_TSK_SW )



//=========================================================
u8      SW_pow_count, SW_home_count, SW_wifi_count;
bit     SW_pow_mask, SW_home_mask, SW_wifi_mask;

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; \
      }                                   \
    }                                     \
  }



/* ========================================================
 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 u8 cnt_force_off = 0;
    static u8 task_interval = 0;

    switch ( system_status.pwr_state )
    {
    case ( OFF_TRIG ):
        SW_pow_count = 0;
        SW_wifi_count = 0;
        SW_home_count = 0;
        cnt_force_off = 0;
        break;

    case ( ON_TRIG ):
        // 電源投入
        SW_pow_mask = 1;
        SW_home_mask = 1;
        SW_wifi_mask = 1;
        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 //
        if( SW_POW_n )
        {
            if( ( CLICK_THRESHOLD < SW_pow_count ) && ( SW_pow_count <= HOLD_THREASHOLD ) )
            {
#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
        }
        else if( SW_pow_count == (u8)( 1000 / INTERVAL_TSK_SW ))
        {                       // todo
            vreg_ctr[ VREG_C_LED_POW ] = LED_POW_ILM_ONLY_RED;
            system_status.pwr_state = OFF_TRIG;
            renge_task_interval_run_force = 1;
        }

        // 電源OFF割り込みを入れたが…
        if( ( vreg_ctr[VREG_C_IRQ0] & REG_BIT_SW_POW_HOLD ) != 0 )
        {
            cnt_force_off += 1;
            if( cnt_force_off >= 13 )
            {                   // …返事がない。強制的に切る。
                vreg_ctr[ VREG_C_LED_POW ] = LED_POW_ILM_ONLY_RED;
                system_status.pwr_state = OFF_TRIG;
                renge_task_interval_run_force = 1;
            }
        }
        else
        {
            cnt_force_off = 0;
        }

        // 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;
        }

        if( SW_HOME_n )
        {
            if( ( CLICK_THRESHOLD < SW_home_count ) && ( SW_home_count <= HOLD_THREASHOLD ) )
            {
                set_irq( VREG_C_IRQ0, REG_BIT_SW_HOME_CLICK );
            }
        }
        else if( SW_home_count == HOLD_THREASHOLD )
        {
            set_irq( VREG_C_IRQ0, REG_BIT_SW_HOME_HOLD );
        }

        // wifi sw //
        if( SW_wifi_count == CLICK_THRESHOLD )
        {
            set_irq( VREG_C_IRQ0, REG_BIT_SW_WIFI_CLICK );
        }

        break;
    }

    // ボタン押し時間のカウント
/*
if( ( system_status.pwr_state == ON )
    || ( system_status.pwr_state == OFF )
    || ( system_status.pwr_state == BT_CHARGE ) )
    */

    {
        count_sw_n( SW_POW_n, SW_pow_count, SW_pow_mask );
#ifdef  _SW_HOME_ENABLE_
        count_sw_n( SW_HOME_n, SW_home_count, SW_home_mask );
#endif
        count_sw_n( SW_WIFI_n, SW_wifi_count, SW_wifi_mask );
    }

    return;
}