ctr_mcu/trunk/vreg_twl.c

/* ========================================================

TWL互換側のI2Cレジスタ

 ======================================================== */
#include "incs.h"
#include "jhl_defs.h"
#include "led.h"

#include "vreg_twl.h"

#include "vreg_ctr.h"

// ========================================================
#define TWL_REG_VER_INFO               0x35
#define NON_EXIST_REG                  0xFF

// ========================================================
u8      vreg_twl[_REG_TWL_INT_ADRS_ENDMARK];


/* ========================================================
  仮想レジスタの初期化
 ======================================================== */
void vreg_twl_init(  )
{
    vreg_twl[ REG_TWL_INT_ADRS_MODE ] = 0x03;
}


// ========================================================
// I2C仮想レジスタに書く・何かアクションする
//　引数 adrs は内部アドレス
//  　存在しないアドレスにアクセスした場合、何もしません。
void vreg_twl_write( u8 adrs, u8 data )
{
    switch ( adrs )
    {
      case ( REG_TWL_INT_ADRS_VOL ):
        {
            set_irq( VREG_C_IRQ2, REG_BIT_TWL_SNDVOL_CHANGE );
            break;
        }

      case ( REG_TWL_INT_ADRS_MODE ):
        vreg_twl[adrs] = ( data & 0x03 );
        break;

      case ( REG_TWL_INT_ADRS_CAM ):
        vreg_twl[adrs] = ( data & 0x03 );
        tsk_led_cam();  // todo 大丈夫？
        break;

      case ( REG_TWL_INT_ADRS_TEMP0 ):
        vreg_twl[adrs] = data;
        break;

      case ( REG_TWL_INT_ADRS_COMMAND ):
/*
        if( data <= 2 ){
            if( ( data & REG_BIT_TWL_OFF_REQ ) != 0 )
            {
                set_irq( VREG_C_IRQ2, REG_BIT_TWL_OFF_REQ );      // OFFも実装していたらしい。
                break;
            }
            else if( ( data & REG_BIT_TWL_RESET_REQ ) != 0 )
            {
                set_irq( VREG_C_IRQ2, REG_BIT_TWL_RESET_REQ );      //リセットしかない。他のは、SPIから来ます。
                break;
            }
          }
*/
        if( data == REG_BIT_TWL_RESET_REQ )
        {
            set_irq( VREG_C_IRQ2, REG_BIT_TWL_RESET_REQ );      //リセットしかない。他のは、SPIから来ます。
            break;
        }
    }
    return;
}



// ========================================================
// I2C仮想レジスタから読みます。
//　引数 adrs 外から見たときの、アドレス
//　戻り   xx データ
//  　存在しないアドレスにアクセスした場合、戻り値は0x5A
u8 vreg_twl_read( u8 phy_adrs )
{
    u8 temp;

    switch( phy_adrs ){
      case( REG_TWL_INT_ADRS_VER_INFO ):
          return( TWL_REG_VER_INFO );

      case( REG_TWL_INT_ADRS_POWER_INFO ):
          if( vreg_ctr[ VREG_C_BT_REMAIN ] > 90 ){
              vreg_twl[ REG_TWL_INT_ADRS_POWER_INFO ] = 0x0F;
          }else if( vreg_ctr[ VREG_C_BT_REMAIN ] > 75 ){
              vreg_twl[ REG_TWL_INT_ADRS_POWER_INFO ] = 0x0B;
          }else if( vreg_ctr[ VREG_C_BT_REMAIN ] > 50 ){
              vreg_twl[ REG_TWL_INT_ADRS_POWER_INFO ] = 0x07;
          }else if( vreg_ctr[ VREG_C_BT_REMAIN ] > 25 ){
              vreg_twl[ REG_TWL_INT_ADRS_POWER_INFO ] = 0x03;
          }else if( vreg_ctr[ VREG_C_BT_REMAIN ] >  5 ){
              vreg_twl[ REG_TWL_INT_ADRS_POWER_INFO ] = 0x01;
          }else{
              vreg_twl[ REG_TWL_INT_ADRS_POWER_INFO ] = 0x00;
          }

          return( vreg_twl[ REG_TWL_INT_ADRS_POWER_INFO ] | ( !BT_CHG_n ? 0x80: 0x00 ) );  // アダプタbit

      case( REG_TWL_INT_ADRS_IRQ ):
          temp = vreg_twl[ REG_TWL_INT_ADRS_IRQ ];
          vreg_twl[ REG_TWL_INT_ADRS_IRQ ]= 0;
          return( temp );

      default:
          return( vreg_twl[ phy_adrs ] );

      case( REG_TWL_ADRS_NON_EXIST ):
          return( 0x00 );
    }
}



// ========================================================
// 外部から見える虫食いアドレスを、内部の連続アドレスに読み替える
// 0xFFは存在しないアドレス。
u8 adrs_table_twl_ext2int( u8 img )
{
    switch( img ){
      case( REG_TWL_ADRS_IRQ ):        return( REG_TWL_INT_ADRS_IRQ );
      case( REG_TWL_ADRS_COMMAND ):    return( REG_TWL_INT_ADRS_COMMAND );
      case( REG_TWL_ADRS_POWER_INFO ): return( REG_TWL_INT_ADRS_POWER_INFO );
      case( REG_TWL_ADRS_CAM ):        return( REG_TWL_INT_ADRS_CAM );
      case( REG_TWL_ADRS_VOL ):        return( REG_TWL_INT_ADRS_VOL );
      case( REG_TWL_ADRS_TEMP0 ):      return( REG_TWL_INT_ADRS_TEMP0 );
      case( REG_TWL_ADRS_VER_INFO ):   return( REG_TWL_INT_ADRS_VER_INFO );
      case( REG_TWL_ADRS_MODE ):       return( REG_TWL_INT_ADRS_MODE );
      default:                         return( REG_TWL_ADRS_NON_EXIST );
//      0が読めればよい、書けなくて良い
//      case( REG_TWL_ADRS_WIFI ):       return( REG_TWL_INT_ADRS_WIFI );
    }
}