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https://github.com/rvtr/ctr_mcu.git
synced 2025-10-31 13:51:10 -04:00
889af25286
git-svn-id: file:///Volumes/Transfer/gigaleak_20231201/2020-05-23%20-%20ctr.7z%20+%20svn_v1.068.zip/ctr/svn/ctr_mcu@91 013db118-44a6-b54f-8bf7-843cb86687b1
293 lines
7.7 KiB
C
293 lines
7.7 KiB
C
/* ========================================================
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藤田＠開技
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nintendo
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'09 Apr
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======================================================== */
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#include "incs.h"
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#include "adc.h"
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#include "pm.h"
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#include "led.h"
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bit adc_updated;
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#define INTERVAL_TSK_ADC 16
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/* ========================================================
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ADC設定と、開始
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以下のピンは主にここで操作・監視されます。
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・BT_TEMP,_P
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・ADIN1
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・VOL
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関係ありそうですが別のところで管理しています
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・PM_BT_DET,_P PM_init
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・8tics毎に呼ばれ、３チャンネル分取り込むとADCを停止します。
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タスク起動時、レジスタには前回の取り込み値が入っています。
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======================================================== */
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static const u8 slider_to_codec[64] =
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{
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127, 125, 124, 123, 121, 120, 119, 117,
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116, 115, 113, 112, 111, 109, 108, 107,
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105, 104, 103, 101, 100, 99, 98, 96,
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95, 94, 92, 91, 90, 88, 87, 86,
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84, 83, 82, 80, 79, 78, 76, 75,
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74, 72, 71, 70, 69, 67, 66, 65,
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63, 62, 61, 59, 58, 57, 55, 54,
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53, 51, 50, 49, 47, 46, 45, 44
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};
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void tsk_adc( )
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{
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static u8 task_interval = 0;
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static u8 old_tune;
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static u8 sndvol_codec;
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static u8 bt_temp_old;
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if( task_interval-- != 0 )
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{
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return;
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}
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else
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{
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task_interval = (u8)( INTERVAL_TSK_ADC / SYS_INTERVAL_TICK );
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}
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if( adc_updated )
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{
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if( system_status.pwr_state == ON )
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{
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// Tune ///////////////////////////////////////
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#if 0
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tune 変化では割り込みを入れない
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// tune
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if( abs( old_tune - vreg_ctr[VREG_TUNE] ) >= 4 )
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{
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old_tune = vreg_ctr[VREG_TUNE];
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vreg_ctr[VREG_C_IRQ0] |= REG_BIT_VR_TUNE_CHANGE;
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if( ( vreg_ctr[VREG_C_IRQ_MASK0] & REG_BIT_VR_TUNE_CHANGE ) == 0 )
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{
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IRQ0_ast;
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}
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}
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#endif
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// Volume /////////////////////////////////////
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{
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static u8 vol_old;
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static u8 class_old;
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static u8 hysterisis_vol;
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u16 class;
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// // ヒステリシスを付けておく。上に抜けた場合に閾値を少し下げることにする
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// hysterisis_vol = ( vol_old <= vreg_ctr[VREG_C_SND_VOL] )? 2: 0;
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// vol_old = vreg_ctr[VREG_C_SND_VOL];
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/*
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class = ( vreg_ctr[VREG_C_SND_VOL] + hysterisis_vol ) / ( 256 / 8 ); // 32段の割り込み
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if( class != class_old )
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{
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class_old = class;
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set_irq( VREG_C_IRQ0, REG_BIT_VR_SNDVOL_CHANGE );
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}
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*/
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// デバイスに伝える
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if( sndvol_codec != vreg_ctr[VREG_C_SND_VOL] )
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{
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sndvol_codec = vreg_ctr[VREG_C_SND_VOL];
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// DCPにも伝えておく
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iic_mcu_write_a_byte( IIC_SLA_DCP, 0,
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slider_to_codec[ sndvol_codec/4 ] );
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// codecに伝える
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iic_mcu_write_a_byte( IIC_SLA_CODEC, CODEC_REG_VOL,
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slider_to_codec[ sndvol_codec/4 ] );
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}
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}
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// TUNE_LED ///////////////////////////////////
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// ここで？仕様？
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{
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switch ( vreg_ctr[VREG_C_LED_TUNE] )
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{
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case LED_TUNE_ILM_ON:
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LED_duty_TUNE = vreg_ctr[VREG_C_LED_BRIGHT];
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break;
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case LED_TUNE_ILM_SVR:
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LED_duty_TUNE = vreg_ctr[VREG_C_TUNE] / 16;
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break;
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case LED_TUNE_ILM_OFF:
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default:
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LED_duty_TUNE = 0;
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break;
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}
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}
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adc_updated = 0;
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}
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}
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ADCEN = 1;
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ADM = 0b00011011; // セレクトモード、章圧、fCLK/6 ///ここから ↓
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ADPC = 0x06; // ADCポートのセレクト
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ADS = ADC_SEL_TUNE;
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NOP();
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NOP();
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NOP();
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NOP();
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NOP();
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NOP();
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NOP();
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NOP();
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ADCS = 1; // AD開始。 /// ここまで ↑ までに1us=8clk以上開ける
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ADIF = 0;
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ADMK = 0;
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}
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/* ========================================================
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過去３つのminでもMAXでもない値を返す
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突発的なノイズを除く。
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根本対策ではないが、これはこれで使い道がある。
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======================================================== */
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static u8 getmean3( u8 * hist )
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{
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if( *hist > *( hist + 1 ) )
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{
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if( *hist > *( hist + 2 ) )
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{
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return( ( *( hist + 1 ) > *( hist + 2 ) ) ? *( hist + 1 ) : *( hist + 2 ) );
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}
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else
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{
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return( *hist );
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}
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}else{
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if( *hist > *( hist + 2 ) )
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{
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return( *hist );
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}
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else
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{
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return( ( *( hist + 1 ) < *( hist + 2 ) ) ? *( hist + 1 ) : *( hist + 2 ) );
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}
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}
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}
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/* ========================================================
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自前で次のチャンネル
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一通り終わったら止める
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======================================================== */
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__interrupt void int_adc( )
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{
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static u8 hist_tune[3];
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static u8 hist_snd_vol[3];
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static u8 hist_bt_temp[3];
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static u8 index;
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u8 temp;
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EI( );
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switch ( ADS )
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{
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/*
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case ( ADC_SEL_AMB_BRIT ):
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vreg_ctr[ VREG_C_AMBIENT_BRIGHTNESS ] = ADCRH;
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break;
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*/
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case ( ADC_SEL_TUNE ):
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hist_tune[index] = ADCRH;
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#ifdef _MODEL_WM0_
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vreg_ctr[ VREG_C_TUNE ] = 255 - getmean3( hist_tune );
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#else
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vreg_ctr[ VREG_C_TUNE ] = getmean3( hist_tune );
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#endif
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break;
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case ( ADC_SEL_VOL ):
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hist_snd_vol[index] = ADCRH;
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vreg_ctr[VREG_C_SND_VOL] = getmean3( hist_snd_vol );
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// TWL用レジスタの更新
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vreg_twl[ REG_TWL_INT_ADRS_VOL ] = vreg_ctr[VREG_C_SND_VOL] / ( 256 / 32 ); // 8段の割り込み
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// 割り込みはHorizonを通してコマンドを発行されるのを待てばよい
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break;
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case ( ADC_SEL_BATT_TEMP ):
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hist_bt_temp[index] = ADCRH;
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raw_adc_temperature = getmean3( hist_bt_temp );
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renge_task_immed_add( PM_bt_temp_update );
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break;
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case ( ADC_SEL_BATT_DET ):
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// vreg_ctr[ VREG_C_DBG_BATT_DET ] = ADCRH;
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// todo
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break;
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}
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// もっとまともな書き方がありそうだ
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// if( ADS == ADC_SEL_BATT_DET ){b
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if( ADS != ADC_SEL_BATT_TEMP )
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{ // 電池判別は電源投入の一回のみ
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ADS += 1; // 次のチャンネル
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BT_TEMP_P = 1; // 電池温度監視スタート
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}
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else
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{
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ADCEN = 0; // 止めてしまう
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BT_TEMP_P = 0; // 電池温度監視スタート
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adc_updated = 1;
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index = ( index == 2 ) ? 0 : ( index + 1 );
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}
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}
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/* ========================================================
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tsk_adcと競合することを考慮していません。
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======================================================== */
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u8 get_adc( u8 ch )
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{
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u8 temp;
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ADMK = 1;
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ADIF = 0;
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ADCEN = 1;
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ADCS = 0;
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ADM = 0b00100011; // セレクトモード、昇圧、fCLK/6 ///ここから↓
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ADPC = 0x06; // ADCポートのセレクト
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ADS = ch;
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NOP();
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NOP();
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NOP();
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NOP();
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NOP();
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NOP();
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NOP();
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NOP();
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ADCS = 1; // AD開始。 /// ここまで↑ に、1us以上開ける
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ADMK = 0;
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while( ADIF == 0 ){;}
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temp = ADCRH;
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ADCEN = 0;
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return ( temp );
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}
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