ctr_mcu/snake_trunk/led_cam.c

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/******************************************************//**
LED_Cam TO02
BLINK,*_PLUSE の時は、1周期分は必ずその状態になります。
その間に OFF→BLINK などされると、OFFが無視されます。
$Id$
*********************************************************/
#ifndef _WIN32
#pragma sfr
#endif
#include "incs.h"
#include "led.h"
#include "vreg_twl.h"
// ========================================================
static u8 state_led_cam = 0;
static u16 task_interval;
bit cam_led_update;
// ========================================================
static void cam_led_twl();
/********************************************//**
インターバル実行タスクと、twlレジスタへの書き込みのカ所から呼ばれます。
***********************************************/
void tsk_led_cam( )
{
DI_wt_chk(); // レジスタへの書き込みで強制起動がかかることがあるため
if( !cam_led_update )
{
if( task_interval != 0 )
{
task_interval --;
EI();
return;
}
}
cam_led_update = false; // TWL のブリンク設定(一発だけ点灯)のため
EI();
if( system_status.pwr_state == SLEEP ) // sleep中、強制消灯
{
LED_CAM = 0;
state_led_cam = 0;
}
else
{
// ブリンクのように待たせたいとき以外は毎週起動する
// (レジスタの変更にすぐに反応する)
switch ( vreg_ctr[VREG_C_LED_CAM] )
{
case ( CAM_LED_OFF ):
default:
LED_CAM = 0;
state_led_cam = 0;
break;
case ( CAM_LED_ON ):
LED_CAM = 1;
state_led_cam = 0;
break;
case ( CAM_LED_BLINK ):
if( state_led_cam == 0 )
{
LED_CAM = 1;
state_led_cam = 1;
}
else
{
LED_CAM = 0;
state_led_cam = 0;
}
task_interval = 250;
break;
case ( CAM_LED_ON_PLUSE ):
if( state_led_cam == 0 )
{
LED_CAM = 1;
state_led_cam = 1;
task_interval = 250;
}
else
{
vreg_ctr[VREG_C_LED_CAM] = CAM_LED_OFF;
}
break;
case ( CAM_LED_OFF_PLUSE ):
if( state_led_cam == 0 )
{
LED_CAM = 0;
state_led_cam = 1;
task_interval = 250;
}
else
{
vreg_ctr[VREG_C_LED_CAM] = CAM_LED_ON;
}
break;
case( CAM_LED_BY_TWL ):
cam_led_twl();
}
} // if( system_status.pwr_state == sleep ) ... else ...
}
/********************************************//**
TWLからカメラLEDを操作される
***********************************************/
static void cam_led_twl()
{
// TWL互換 //
switch ( vreg_twl[ REG_TWL_INT_ADRS_CAM ] ){
case( TWL_CAMLED_OFF ):
LED_CAM = 0;
state_led_cam = 0;
break;
case( TWL_CAMLED_BLINK ):
if( state_led_cam == 0 )
{
LED_CAM = 1;
state_led_cam = 1;
}
else
{
LED_CAM = 0;
state_led_cam = 0;
}
task_interval = (u8)( 600 / SYS_INTERVAL_TICK ) + 250;
break;
case( TWL_CAMLED_ON ):
case( TWL_CAMLED_DEF_ON ):
default:
LED_CAM = 1;
state_led_cam = 1;
break;
}
}