bool get_prog_song_num(u8 get_Mode)
{
#if 0
if(get_Mode==GET_PREV_FILE){
if(usb_play_prog_index>0){
usb_play_prog_index--;
}
else{
usb_play_prog_index=usb_prog_total_num-2;
}
}
else{
usb_play_prog_index++;
if(usb_play_prog_index>(usb_prog_total_num-2)){
usb_play_prog_index =0;
if(get_Mode==GET_PLAY_FILE){
repeat_off_flag =1;
return 0;
}
}
}
#else
repeat_off_flag =0;
if(play_mode == REPEAT_ALL){
if(get_Mode==GET_PREV_FILE){
if(usb_play_prog_index>0){
usb_play_prog_index--;
}
else{
usb_play_prog_index=usb_prog_total_num-2;
}
}
else{
usb_play_prog_index++;
if(usb_play_prog_index>=usb_prog_total_num){
usb_play_prog_index =0;
}
}
}
else if(play_mode == REPEAT_ONE){
}
else if(play_mode == REPEAT_OFF){
if(get_Mode==GET_PREV_FILE){
if(usb_play_prog_index>0){
usb_play_prog_index--;
}
else{
usb_play_prog_index=usb_prog_total_num-2;
}
}
else{
usb_play_prog_index++;
if(usb_play_prog_index>=usb_prog_total_num){
usb_play_prog_index =0;
}
}
if(get_Mode==GET_PLAY_FILE){
repeat_off_flag =1;
return 0;
}
}
else if(play_mode == REPEAT_RANDOM){
CRCREG = T3CNTH;
CRCREG = T3CNTL;
usb_play_prog_index = ReadLFSR();
usb_play_prog_index = usb_play_prog_index % (usb_prog_total_num-1)+ 1;
}
#endif
given_file_number =usb_prog_tab[usb_play_prog_index];
#ifdef MP3_UART_ENABLE
printf(" ---> 1111 get_prog_song_num IDX%x FILE NUM %x \r\n",(u16)usb_play_prog_index,(u16)usb_prog_total_num);
#endif
#ifdef MP3_UART_ENABLE
printf(" ---> 2222 get_prog_song_num %x \r\n",(u16)given_file_number);
#endif
return 1;
}
u8 fs_get_filenum(u8 playmode, u8 searchMode)
{
//u16 fileTotal;
find_break_point_file_flag = 0;
// if(RECODE_PLAY == encode_status)
// {
// playmode = REPEAT_REC;
// }
// else
if (searchMode == PLAY_FIRST_FILE) //播放第一个文件
{
given_file_number = 1;
return GET_FILE_OK;
}
else if (searchMode == PLAY_LAST_FILE) //播放最后一个文件
{
given_file_number = logic_fileTotal;//fs_msg.fileTotal;
return GET_FILE_OK;
}
else if (searchMode == PLAY_BREAK_POINT) //播放记忆的文件序号和断点
{
#if ((LAST_MEM_FILE_PLAY_EN == 1) || (BREAK_POINT_PLAY_EN == 1))
if (break_point_filenum)
{
given_file_number = break_point_filenum;
find_break_point_file_flag = 1;
}
else
#endif
given_file_number = 1;
break_point_filenum = 0;
return GET_FILE_OK;
}
else if (PLAY_SEL_FILE == searchMode) //播放删除文件后的文件
{
if((!given_file_number) || (given_file_number > logic_fileTotal))
{
given_file_number = 1;
}
return GET_FILE_OK;
}
given_file_number = filenum_phy_logic(fs_msg.fileNumber); //物理文件号转换成逻辑文件号
if ((playmode == REPEAT_ONE) && (searchMode != PLAY_AUTO_NEXT))
{
playmode = REPEAT_ALL; //在单曲循环模式下，转换成全循环模式
}
switch (playmode)
{
case REPEAT_RANDOM:
given_file_number = ReadLFSR();
given_file_number = given_file_number % logic_fileTotal + 1;
break;
case REPEAT_BACK: //倒序排列
if (searchMode == PLAY_PREV_FILE) //next file
{
goto _next_file_rpt;
}
else //prev file
{
goto _prve_file_rpt;
}
break;
case REPEAT_ALL:
if (searchMode == PLAY_PREV_FILE) //prev file
{
_prve_file_rpt:
given_file_number--;
if (given_file_number == 0)
{
return GET_DEVICE_HEAD;
}
}
else //next file
{
_next_file_rpt:
given_file_number++;
if (given_file_number > logic_fileTotal)
{
given_file_number = 1;
return GET_DEVICE_END;
}
}
break;
case REPEAT_FOLDER:
if (searchMode == PLAY_PREV_FILE)
{
given_file_number = filenum_logic_phy(given_file_number); //逻辑文件号转换成物理文件号
given_file_number--;
if (given_file_number == fs_msg.fileTotalOutDir)
given_file_number = fs_msg.fileTotalOutDir + fs_msg.fileTotalInDir;
given_file_number = filenum_phy_logic(given_file_number); //物理文件号转换成逻辑文件号
}
else //next file
{
given_file_number = filenum_logic_phy(given_file_number);
given_file_number++;
if (given_file_number > (fs_msg.fileTotalOutDir + fs_msg.fileTotalInDir))
given_file_number = fs_msg.fileTotalOutDir + 1;
given_file_number = filenum_phy_logic(given_file_number);
}
break;
}
return GET_FILE_OK;
}
