changesoure_main.c

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//********************************************************************
// Name:     app1_main.c
// 
// Copyright (C) Sitronix TECHNOLOGY INC.
// All rights reserved by Sitronix TECHNOLOGY INC.
//
// Project:    ST3110
// Author:      Terry Wu
// Begin Date:  2008/01/01
// Last update: 2008/04/01
// $Header: $
// Description:
//   pure code framework --- _main.c
//   
//   
//********************************************************************
#pragma codeseg(APP)
#include "sys.h"
#include "img_position.h"
#include "ST3110_img_define.h"
#include "MusicPlayer.h"

extern uint8 counter,flag_sd_nand;
extern void _change_source(uint8 is_nand_sd);
extern uint8 _show_change_message(void);
extern void _exit(void);
extern void _pend_event(void);
void _process_events(void);
void APP_MAIN(void)
{
 // 1. Check event occur
 // 2. Release the event which had been occurred
 // 3. Process event
 // 4. Pend event
 if(API_OsCheckEventOccur(EVID_BT_2HZ))
 {
   API_OsReleaseEvent(EVID_BT_2HZ);
   counter++;
   if(counter == 2)
    _exit();
   API_OsPendEvent(EVID_BT_2HZ);
 } 
        
 if (API_OsCheckEventOccur(EVID_AUD_THD_RESPONSE))
 {              
        API_OsReleaseEvent(EVID_AUD_THD_RESPONSE);
        if( (API_MusicGetThreadState() == TS_STOP) )
        {
         flag_sd_nand = _show_change_message();
                 _change_source(flag_sd_nand);
         _pend_event();
        }
        API_OsPendEvent(EVID_AUD_THD_RESPONSE);                             
 }
 
 if (API_OsCheckEventOccur(EVID_VID_THD_RESPONSE))
 {              
        API_OsReleaseEvent(EVID_VID_THD_RESPONSE);
        if( (API_VideoGetThreadState() == TS_STOP) )
        {
         flag_sd_nand = _show_change_message();
                 _change_source(flag_sd_nand);
         _pend_event();
        }
        API_OsPendEvent(EVID_VID_THD_RESPONSE);                             
 } 

 if (API_OsCheckEventOccur(EVID_VBUS_PLUGIN))
 {              
        API_OsReleaseEvent(EVID_VBUS_PLUGIN);
        if(API_SysGetUSBSource() == VBUS_SRC_USB_ON_LINE)
        {
         API_SysWriteValue(RAM_SHARING_ADR,VBUS_STATE,VBUS_SRC_USB_ON_LINE);
         API_SysWriteValue(RAM_SHARING_ADR,LAST_TASK,TASKID_CHANGESOURCE);
         API_OsSetCurrentTask(TASKID_USBAPP);
        }
        else
        {
         API_SysWriteValue(RAM_SHARING_ADR,VBUS_STATE,VBUS_SRC_ADAPTER);
        }
        API_OsPendEvent(EVID_VBUS_PLUGIN);
 }
 
 if(API_OsCheckEventOccur(EVID_VBUS_PLUGOUT))
 {      
        API_OsReleaseEvent(EVID_VBUS_PLUGOUT);
        API_SysWriteValue(RAM_SHARING_ADR,VBUS_STATE,VBUS_SRC_NONE);
        API_OsPendEvent(EVID_VBUS_PLUGOUT);
 }
 
 if(API_OsCheckEventOccur(EVID_UPDATE_BATVOL))
 {      
        uint8 bat_lv;
               
        API_OsReleaseEvent(EVID_UPDATE_BATVOL);
        
        bat_lv = API_SysGetVolLv();
        if(bat_lv < BATTERY_LV0)
        {
         API_OsSetCurrentTask(TASKID_POWEROFF);
        }
        API_OsPendEvent(EVID_UPDATE_BATVOL);
 }                      

 if(API_OsCheckEventOccur(EVID_ALARM_OCCUR))
 {       
                uint32 frame_no;
                uint16 current_song_no;
                
                API_OsReleaseEvent(EVID_ALARM_OCCUR);

                if(API_MusicGetThreadState() == TS_PLAY || API_MusicGetThreadState() == TS_PAUSE)
                {
                 API_MusicGetCurrentSongIndex(&current_song_no);
                 API_SysWriteValue2B(RAM_SHARING_ADR,B_SONG_FILE_L,current_song_no);
                 API_MusicGetFrame(&frame_no);
                 API_SysWriteValue4B(RAM_SHARING_ADR,FRAME_NO_LL,frame_no);
                }
                
                API_SysWriteValue(RAM_SHARING_ADR,LAST_TASK,TASKID_CHANGESOURCE);
                API_OsSetCurrentTask(TASKID_ALARMOCCUR);
                
                API_OsPendEvent(EVID_ALARM_OCCUR);
 }       

 if(API_OsCheckEventOccur(EVID_KEY_KEEP_DOWN))
 {
         API_OsReleaseEvent(EVID_KEY_KEEP_DOWN);
         if(API_OsGetKeyId() == KEYID_MODE)
          API_OsSetCurrentTask(TASKID_POWEROFF);
         API_OsPendEvent(EVID_KEY_KEEP_DOWN);
 }             
         
}