hostif_high.c

来自「本程序为ST公司开发的源代码」· C语言 代码 · 共 2,071 行 · 第 1/5 页

          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }

        if ((trackNr > CountFilesForVolume(1 /*DEV_CD_ID*/,SEARCH_PLAYABLE)) || (trackNr == 0)) 
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }  
        if (TRACK_TYPE_DATA == TOC_TRACK_TYPE(trackNr))    //temporary solution - Visteon requests this functionality 
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }
                          
      }
      else                          //data
      {

        //check playlist content         
        if ((player_playlist.enabled) && (player_playlist.parsed) && (trackNr > player_playlist.array_items ))    
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }
      
        if ((trackNr > CountFilesForDevice(player_params.device,b_FALSE,SEARCH_PLAYABLE)) || (trackNr == 0))
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }          
      }          
    }
    if (PLAYER_PAUSE_AT_EOS)
    {
  		report_msg_error_mode(ERM_NA_STATE_ERROR);	  
  		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);
      return PCMD_NONE;    
    }
    //MsgContinue
    hostifAppSendMsgOneParameter(&response_msg[0], HOSTIF_GROUP_MSG_PLAYER_FUNC, MSG_CONTINUE, (cancel_previous==1?0:1));
		return PCMD_PLAY_CONTINUE;
	}
	else 
	{	
		report_msg_error_mode(ERM_NA_STATE_ERROR);	  
		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);
	}	
	return PCMD_NONE;
}

/**************************************************
 *
 * process_cmd_play_resume()
 * 
 * Parameters:
 *  TBD,
 * 
 * Description:
 * 
 **************************************************/

uint8 process_cmd_play_resume(uint8 *current_pos)
{
  if (b_FALSE == check_preconditions())
    return PCMD_NONE;  
  else if (player_current_resume_info_available == b_FALSE)
  {    
    if ((player_mode == PLM_PLAY)
       || (player_mode == PLM_FAST_FW) 
       || (player_mode == PLM_FAST_BW))
    {
   		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);
      return PCMD_NONE; 
    }
    else if (player_mode == PLM_PAUSE)   //only clear pause 
    {
      *current_pos = CMD_PARAM_CURRENT_POSITION;    //preset for case, that player in pause and there's requested to continue playback from current position    
   		report_msg_player_mode(PLM_PLAY, PLTS_RUNNING, player_current_resume_info_available, 0);
      return PCMD_PLAY;      
    }
    else if (player_mode == PLM_STOP)    //will start from 1st song on media (this case should occur just afer start)
  	{ 
  	  //check if there are playable items on media
  	  if ((player_current_resume_info_available == b_FALSE) && (0 == CountFilesForDevice(player_params.device,b_TRUE,SEARCH_PLAYABLE)))
  	  {  	    
  	    report_msg_error_mode(ERM_NA_STATE_ERROR);
    		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);  	    
  	  }
  	  else
  	  {  	    
    		report_msg_player_mode(PLM_PLAY, PLTS_RUNNING, player_current_resume_info_available, 0);
    		return PCMD_PLAY_RESUME;
  	  }
  	}
  }
  else if (player_current_resume_info_available == b_TRUE)
	{
		report_msg_player_mode(PLM_PLAY, PLTS_RUNNING, player_current_resume_info_available, 0);
		return PCMD_PLAY_RESUME;
	}
  

	
	return PCMD_NONE;
}


/**************************************************
 *
 * process_cmd_pause()
 * 
 * Parameters:
 *  TBD,
 * 
 * Description:
 * 
 **************************************************/

uint8 process_cmd_pause(uint8 position, uint8 data_tracks, uint16 trackNr, uint8 Second)
{
  if (b_FALSE == check_preconditions())
    return PCMD_NONE;  
  else if  ((player_mode == PLM_PLAY)
         || (player_mode == PLM_FAST_FW) 
         || (player_mode == PLM_FAST_BW)
         || (player_mode == PLM_STOP)
         || ((player_mode == PLM_PAUSE) && (position == 0)))
	{		
    if ((position == CMD_PARAM_TIME_POSITION) || (position == CMD_PARAM_LBA_POSITION))     //pause at specific params track, MS info
    {     
      if (0 == data_tracks)       //audio
      {
        if ((player_playlist.enabled) || (player_params.device != DEV_CD_ID))   //requesting audio file when playlist enabled not allowed
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }
      
        if ((trackNr > CountFilesForVolume(1 /*DEV_CD_ID*/,SEARCH_PLAYABLE)) || (trackNr == 0))
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }                    
        if (TRACK_TYPE_DATA == TOC_TRACK_TYPE(trackNr))    //temporary solution - Visteon requests this functionality 
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }
        
      }
      else                        //data
      {
        //check playlist content         
        if ((player_playlist.enabled) && (player_playlist.parsed) && (trackNr > player_playlist.array_items ))    
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }

        if ((trackNr > CountFilesForDevice(player_params.device,b_FALSE,SEARCH_PLAYABLE)) || (trackNr == 0))
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }          
        
      }     
      if (Second > 59)    		  
      {        
        report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
  		  return PCMD_NONE;
      }
	  }
/*
    else if ((position == 2) && (player_mode != PLM_STOP))                              
    {      
   		report_msg_player_mode(PLM_PAUSE, PLTS_RUNNING, player_resume_info.available, 0 );  //immediate pause
    }
*/
    
    if ((position == CMD_PARAM_CURRENT_POSITION) && (player_mode == PLM_STOP))     //plm stop and pause at curr postition is not allowed
    {
  		report_msg_error_mode(ERM_NA_STATE_ERROR);
  		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);  
  		return PCMD_NONE;      
    }
    else    
    {
   		report_msg_player_mode(PLM_PAUSE, PLTS_RUNNING, player_current_resume_info_available, 0 );  //immediate pause      
  		return PCMD_PAUSE;
    }
	}
	else if (player_mode == PLM_PAUSE)
	{
		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);	  
		return PCMD_PAUSE; //JS send commmand anyway (task priorities vs. global vars)
	}
	else
	{
		report_msg_error_mode(ERM_NA_STATE_ERROR);
		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);	  
	}
	return PCMD_NONE;
}


/**************************************************
 *
 * process_cmd_search_fw()
 * 
 * Parameters:
 *  TBD,
 * 
 * Description:
 * 
 **************************************************/

uint8 process_cmd_search_fw(uint8 current, uint8 data_tracks, uint16 trackNr, uint8 Second)
{
  if (b_FALSE == check_preconditions())
    return PCMD_NONE;  
  else if   ((player_mode == PLM_PLAY)
	       || (player_mode == PLM_PAUSE)
         || (player_mode == PLM_FAST_FW) 
         || (player_mode == PLM_FAST_BW)
         || (player_mode == PLM_STOP))
  {
    if ((current == CMD_PARAM_TIME_POSITION) || (current == CMD_PARAM_LBA_POSITION))
    {
      if (0 == data_tracks)      //audio
      {
        if ((player_playlist.enabled) || (player_params.device != DEV_CD_ID))    //requesting audio file when playlist enabled not allowed
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }
        if ((trackNr > CountFilesForVolume(1 /*DEV_CD_ID*/,SEARCH_PLAYABLE)) || (trackNr == 0))
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }   
        if (TRACK_TYPE_DATA == TOC_TRACK_TYPE(trackNr))    //temporary solution - Visteon requests this functionality 
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }
        
      }
      else                          //data
      {
        //check playlist content         
        if ((player_playlist.enabled) && (player_playlist.parsed) && (trackNr > player_playlist.array_items ))    
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }

        
        if ((trackNr > CountFilesForDevice(player_params.device,b_FALSE,SEARCH_PLAYABLE)) || (trackNr == 0))
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }          
        
      }
      if (Second > 59)
      {            
        report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
  		  return PCMD_NONE;
      }
  		report_msg_player_mode(PLM_FAST_FW, PLTS_RUNNING, player_current_resume_info_available, player_seek.speed);
  		return PCMD_SEARCH_FW;
    }
    else if (current == CMD_PARAM_CURRENT_POSITION)  //current position 
    {
      //check num of files on device 
      if ((0 == player_song) && (0 == CountFilesForDevice(player_params.device,b_TRUE,SEARCH_PLAYABLE)))  //check playable items on media
      {
      	report_msg_error_mode(ERM_NA_STATE_ERROR);
    		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);
        return PCMD_NONE;    
      }

  		report_msg_player_mode(PLM_FAST_FW, PLTS_RUNNING, player_current_resume_info_available, player_seek.speed);
  		return PCMD_SEARCH_FW;
    }
    
  }
	else
	{  	
		report_msg_error_mode(ERM_NA_STATE_ERROR);
		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);
	}
	return PCMD_NONE;
}


/**************************************************
 *
 * process_cmd_search_bw()
 * 
 * Parameters:
 *  TBD,
 * 
 * Description:
 * 
 **************************************************/

uint8 process_cmd_search_bw(uint8 current, uint8 data_tracks, uint16 trackNr, uint8 Second)
{
  if (b_FALSE == check_preconditions())
    return PCMD_NONE;  
  else if   ((player_mode == PLM_PLAY)
	       || (player_mode == PLM_PAUSE)
         || (player_mode == PLM_FAST_FW) 
         || (player_mode == PLM_FAST_BW)
         || (player_mode == PLM_STOP))
  {
    if ((current == CMD_PARAM_TIME_POSITION) || (current == CMD_PARAM_LBA_POSITION) || (current == CMD_PARAM_END_OF_FILE_POSITION))
    {
      if (0 == data_tracks)      //audio
      {
        if ((player_playlist.enabled)  || (player_params.device != DEV_CD_ID))   //requesting audio file when playlist enabled not allowed
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }
      
        if ((trackNr > CountFilesForVolume(1 /*DEV_CD_ID*/,SEARCH_PLAYABLE)) || (trackNr == 0))
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }   
        if (TRACK_TYPE_DATA == TOC_TRACK_TYPE(trackNr))    //temporary solution - Visteon requests this functionality 
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }
        
      }
      else                          //data
      {
      
        //check playlist content         
        if ((player_playlist.enabled) && (player_playlist.parsed) && (trackNr > player_playlist.array_items ))    
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }

        if ((trackNr > CountFilesForDevice(player_params.device,b_FALSE,SEARCH_PLAYABLE)) || (trackNr == 0))
        {
          report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    		  return PCMD_NONE;
        }          
        
      }
      if (Second > 59)
      {            
        report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
  		  return PCMD_NONE;
      }
  		report_msg_player_mode(PLM_FAST_BW, PLTS_RUNNING, player_current_resume_info_available, player_seek.speed);
  		return PCMD_SEARCH_BW;
    }
    else if (current == CMD_PARAM_CURRENT_POSITION)
    {
      //check num of files on device 
      if ((0 == player_song) && (0 == CountFilesForDevice(player_params.device,b_TRUE,SEARCH_PLAYABLE)))  //check playable items on media
      {
      	report_msg_error_mode(ERM_NA_STATE_ERROR);
    		report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);
        return PCMD_NONE;    
      }
    
  		report_msg_player_mode(PLM_FAST_BW, PLTS_RUNNING, player_current_resume_info_available, player_seek.speed);
  		return PCMD_SEARCH_BW;
    }
    
  }
	else
	{  	
		report_msg_error_mode(ERM_NA_STATE_ERROR);
    report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);
	}
	return PCMD_NONE;
}

/**************************************************
 *
 * process_cmd_play_next()
 * 
 * Parameters:
 *  TBD,
 * 
 * Description:
 * 
 **************************************************/
extern uint16 player_song; //JS added

uint8 process_cmd_play_next(uint8 type)
{
	if (type == 0)    //type reserved
	{
    report_msg_player_mode(player_mode, player_transition_state, player_current_resume_info_available, player_seek.speed);
		return PCMD_NONE;
	}
	else if (type > 2) //not allowed param
	{
    report_msg_error_mode(ERM_INVALID_PARAMETER_ERROR);
    report_msg_player_mode(player_mode, player_transition_state, player_curre