videoeventapi.c

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//********************************************************************
// Name:     PhotoBrowserAPI.c
// 
// Copyright (C) Sitronix TECHNOLOGY INC.
// All rights reserved by Sitronix TECHNOLOGY INC.
//
// Project:    ST3110
// Author:      Terry Wu
// Begin Date:  2008/05/19
// Last update: 
// $Header: $
// Description:
//   PhotoBrowser 
//   
//   
//********************************************************************

#pragma codeseg(APP)
#include "sys.h"
#include "img_position.h"
#include "ST3110_img_define.h"
#include "multilanguage.h"
#include "VideoBrowser.h"
#include <string.h>



void _video_event_init(void);
void _video_sel_up(void);
void _video_sel_down(void);
void _video_sel_play(void);
void _video_last_page(void);
void _video_next_page(void);
void _video_update_cur_sel_item(void);
void _show_battery(void);
uint8 _get_battery_icon_index(void);



int16 file_curr_sel_item;
uint16 Folders,Files;
uint8 page,file_curr_sel_icon,file_pre_sel_icon;
uint8 root_order,file_repaint_flag,nand_sd_flag;
uint8 sfnPtr[13],lfnPtr[256];
uint16 total_page,total_item;
uint8 volume;
uint8 slide_bat_lv_idx,cur_bat_lv_icon_idx;
void _video_event_init(void)
{
  //uint16 current_song_no;
  
  // init varible

  file_curr_sel_icon = API_SysReadValue(RAM_SHARING_ADR,VID_CUR_SEL);       //0~9
  file_pre_sel_icon = API_SysReadValue(RAM_SHARING_ADR,VID_PRE_SEL);        //0~9   
  file_repaint_flag = API_SysReadValue(RAM_SHARING_ADR,VID_PAINT_FLAG);
  page = API_SysReadValue(RAM_SHARING_ADR,VID_PAGE);                        //0~
  root_order = API_SysReadValue(RAM_SHARING_ADR,ROOT_ORDER);
  nand_sd_flag = API_SysReadValue(RAM_SHARING_ADR,IS_NAND_SD);
  volume = API_SysReadValue(RAM_SETTING_ADR,SET_VOLUME); // 0~16

  API_FATGetItemAmountInFolder(&Folders,&Files,FF_VIDEO_FORM);

  if(root_order) // add return icon
   total_item = Folders+Files+1;
  else
   total_item = Folders+Files;

  if( (total_item)%VEDBRO_ITEM != 0)
   total_page = (total_item/VEDBRO_ITEM) + 1;
  else 
   total_page = (total_item/VEDBRO_ITEM);
  
  _video_update_cur_sel_item();
  
  //get current battery voltage
  cur_bat_lv_icon_idx = _get_battery_icon_index();
  slide_bat_lv_idx = _get_battery_icon_index(); 
}


void _video_sel_up(void)
{
        file_pre_sel_icon=file_curr_sel_icon;
        file_repaint_flag = 0;

        if(file_curr_sel_icon == 0)// last page
        {
         if(page>0) 
         {
          page--;
          file_curr_sel_icon = VEDBRO_ITEM-1;
          file_repaint_flag = 2;
         }
         else
         {
          if(total_item > 0)
          {
           page = total_page-1;
           file_curr_sel_icon = (total_item-1)%VEDBRO_ITEM;
          }
          else
          {
           page = 0;
           file_curr_sel_icon = 0;
          }
          
          file_repaint_flag = 2;
         }
        }
        else
        {
         file_curr_sel_icon--;
        }
        //update file_curr_sel_item
        _video_update_cur_sel_item();
        API_OsSetCurrentTask(TASKID_VIDEOBROWSER);
}

void _video_sel_down(void)
{
         
        file_pre_sel_icon=file_curr_sel_icon;
        file_repaint_flag = 0;
        if(file_curr_sel_item == (Folders+Files)) //go to first
        {
          page = 0;
          file_curr_sel_icon = 0;
          file_repaint_flag = 2;
        }
        else if(file_curr_sel_icon == VEDBRO_ITEM-1)
        {
         if(page < total_page-1)
         {
          page++;
          file_curr_sel_icon = 0;
          file_repaint_flag = 2;
         }
        }
        else
        {
         if( file_curr_sel_item < (int16)(Folders+Files) )
          file_curr_sel_icon++;
        }
        
        //update file_curr_sel_item
        _video_update_cur_sel_item();
        API_OsSetCurrentTask(TASKID_VIDEOBROWSER);
}

void _video_sel_play(void)
{

        uint8 i;
        uint16 cur_item_amount;
        if(file_curr_sel_item == 0)
        {
           API_FATExitFolder();
           API_SysWriteValue2B(RAM_CUR_PATH_ADR,root_order*2,0); 
           API_SysWriteValue(RAM_SHARING_ADR,ROOT_ORDER,--root_order);

           file_repaint_flag = 2;
           cur_item_amount = API_SysReadValue2B(RAM_CUR_PATH_ADR,root_order*2);
           if(root_order) // add return last layer icon
            cur_item_amount++;
           file_curr_sel_icon = (cur_item_amount-1)%VEDBRO_ITEM; 
           file_pre_sel_icon = 0;
           
           if((cur_item_amount%VEDBRO_ITEM)!=0 )
            page = (cur_item_amount/VEDBRO_ITEM);
           else
            page = (cur_item_amount/VEDBRO_ITEM)-1;
           API_OsSetCurrentTask(TASKID_VIDEOBROWSER);
        }
        else if(file_curr_sel_item >=1 && file_curr_sel_item<=Folders)
        {
         API_FATEnterFolder(file_curr_sel_item);
         if(root_order<8) //only record 8 order path
          API_SysWriteValue2B(RAM_CUR_PATH_ADR,root_order*2,file_curr_sel_item); 
         API_SysWriteValue(RAM_SHARING_ADR,ROOT_ORDER,++root_order);
         file_repaint_flag = 2;
         //file_pre_sel_icon = 0;
         file_curr_sel_icon = 0;
         page = 0;
         API_OsSetCurrentTask(TASKID_VIDEOBROWSER);
        }
        else if( file_curr_sel_item > Folders && file_curr_sel_item<=Folders+Files)
        {
         if(root_order<8) //only record 8 order path
          API_SysWriteValue2B(RAM_CUR_PATH_ADR,root_order*2,(file_curr_sel_item-Folders));
         for(i=0;i<8;i++)
          API_SysWriteValue2B(RAM_VID_PATH_ADR,i*2,API_SysReadValue2B(RAM_CUR_PATH_ADR,i*2));
          
         API_SysWriteValue2B(RAM_SHARING_ADR,CUR_FILE_L,(file_curr_sel_item-Folders) );
         file_repaint_flag = 2;
         file_pre_sel_icon = file_curr_sel_icon;
         file_curr_sel_icon = 0;
         page = 0;
         API_OsSetCurrentTask(TASKID_VIDEOPLAYER);
        }
}

void _video_last_page(void)
{
 uint8 curr_sel_num;
 
 curr_sel_num = file_curr_sel_item;

 if(root_order)
  curr_sel_num++; 
 
 if(curr_sel_num>VEDBRO_ITEM)
 {
  page--;
 }
 else // in page 0
 {
   if(file_curr_sel_icon == 0)
   {
          if(total_item > 0)
          {
           page = total_page-1;
           file_curr_sel_icon = (total_item-1)%VEDBRO_ITEM;
          }
          else
          {
           page = 0;
           file_curr_sel_icon = 0;
          }
   }
   else
   {
    file_curr_sel_icon = 0;
   }
 }
  
 file_repaint_flag = 2;
 _video_update_cur_sel_item();
 API_OsSetCurrentTask(TASKID_VIDEOBROWSER);
}

void _video_next_page(void)
{
 if(file_curr_sel_item == (Folders+Files)) //go to first
 {
  page = 0;
  file_curr_sel_icon = 0;
 }
 else if(file_curr_sel_item+VEDBRO_ITEM > Folders+Files)
 {
  if(page == total_page-2)
   page++;
  file_curr_sel_icon = (total_item-1)%VEDBRO_ITEM;
 }
 else
 {
  page++;
 }
 
 file_repaint_flag = 2;
 _video_update_cur_sel_item();
 API_OsSetCurrentTask(TASKID_VIDEOBROWSER);
}

void _video_update_cur_sel_item(void)
{
  //caculate file_curr_paint_item
  if(total_item > 0)
  {
   if(root_order) //after second layer
    file_curr_sel_item = (page*VEDBRO_ITEM) + file_curr_sel_icon; //item number is from 0
   else //root
    file_curr_sel_item = (page*VEDBRO_ITEM) + file_curr_sel_icon+1; //item number is from 1
  }
  else
  {
   file_curr_sel_item = 0;
  }

 if(file_curr_sel_item > (int16)(Folders+Files))
 {
   #if DEBUG
    API_LcmSetStringLenth(35);
    API_LcmShowString("calculate file_curr_sel_item error",0,0);
   #endif
  //API_LcmShowNumber(root_order,0,16,1);
  //API_LcmShowNumber(page,0,32,1);
  //API_LcmShowNumber(file_curr_sel_icon,0,48,1);
 } 
}

void _show_battery(void)
{
           API_LcmPutSysImage(IMG_BATTERY_0+_get_battery_icon_index(),POS_MUSBRO_BATTERY_X,POS_MUSBRO_BATTERY_Y);  
}

uint8 _get_battery_icon_index(void)
{
           uint8 bat_lv_icon_index;
           uint8 bat_lv;
         
           bat_lv = API_SysGetVolLv();
           if(BATTERY_LV4 <= bat_lv)                                // > LV4
            bat_lv_icon_index = 4; 
           else if( BATTERY_LV3 <= bat_lv && bat_lv < BATTERY_LV4)  //  LV3<=  <LV4
            bat_lv_icon_index = 3;         
           else if( BATTERY_LV2 <= bat_lv && bat_lv < BATTERY_LV3)  //  LV2<=  <LV3
            bat_lv_icon_index = 2;         
           else if( BATTERY_LV1 <= bat_lv && bat_lv < BATTERY_LV2)  //  LV1<=  <LV2
            bat_lv_icon_index = 1;         
           else if( BATTERY_LV0 <= bat_lv && bat_lv < BATTERY_LV1)  //  LV0<=  <LV1
            bat_lv_icon_index = 0;
           
           return bat_lv_icon_index;
}