/* MP3音乐处理线程 */
void MP3_handleThread(void *inContext)
{
SD_sizeInfo sdSizeInfo;
u32 ret = 0;
u8 *pBuf = NULL;
/* 检测是否插上SD卡 */
if (MP3_sdCardDetect() == 0)
{
while(1)
{
printf( "sdCard not insert !!!!!\r\n");
mico_thread_sleep( 1 );
}
}
/* MP3初始化 */
if (MP3_init() == 0)
{
while(1)
{
printf( "mp3 init failed !!!!!\r\n");
mico_thread_sleep( 1 );
}
}
/* 获取SD卡容量信息 */
MP3_getSdSize(&sdSizeInfo);
printf("%d MB total drive space.\r\n" "%d MB available.\r\n",
sdSizeInfo.totalSize, sdSizeInfo.availableSize);
/* 获取MP3文件总数 */
ret = MP3_getMp3FileNum("0:/MUSIC");
printf("mp3FileNum=%d\r\n", ret);
#if 0
/* 写文件 */
pBuf = malloc(512);
if (pBuf != NULL)
{
memset(pBuf, 0x5a, 512);
ret = MP3_writeSong("0:/MUSIC/hujg.mp3", 0, pBuf, 512);
printf("ret0=%d\r\n", ret);
memset(pBuf, 0xa5, 512);
ret = MP3_writeSong("0:/MUSIC/hujg.mp3", 512, pBuf, 512);
printf("ret1=%d\r\n", ret);
free(pBuf);
}
/* 删除文件 */
ret = MP3_removeSong("0:/MUSIC/hujg_bak.mp3");
if (ret == 1)
{
printf("remove mp3 file success!\r\n");
}
else
{
printf("remove mp3 file failed !\r\n");
}
#endif
/* 播放指定歌曲和音量设置 */
while(mico_rtos_get_semaphore(&cupTimeObj.playMp3_sem, MICO_WAIT_FOREVER) == kNoErr)
{
if (cupTimeObj.playMode != PLAY_ONLY_LED) //如果不是单单灯提醒喝水时
{
MP3_setVolume(20);
printf("MP3_getVolume=%d\r\n", MP3_getVolume());
ret = MP3_playSong("0:/MUSIC/水晶闹钟.mp3"); //播放指定歌曲
printf("play over!!!!ret=%d\r\n", ret);
mico_rtos_set_semaphore(&cupTimeObj.stopLed_sem); //通知停止亮LED灯
}
// mp3_play();
}
}
//播放音乐
void mp3_play(void)
{
u8 res;
DIR mp3dir; //目录
FILINFO mp3fileinfo;//文件信息
u8 *fn; //长文件名
u8 *pname; //带路径的文件名
u16 totmp3num; //音乐文件总数
u16 curindex; //当前索引
u8 key; //键值
u16 temp;
u16 *mp3indextbl; //音乐索引表
while(f_opendir(&mp3dir,"0:/MUSIC"))//打开音乐文件夹
{
printf("MUSIC文件夹错误!\r\n");
mico_thread_msleep(200);
}
totmp3num=mp3_get_tnum("0:/MUSIC"); //得到总有效文件数
while(totmp3num==NULL)//音乐文件总数为0
{
printf("没有音乐文件!\r\n");
mico_thread_msleep(200);
}
mp3fileinfo.lfsize = _MAX_LFN*2+1; //长文件名最大长度
mp3fileinfo.lfname = malloc(mp3fileinfo.lfsize);//为长文件缓存区分配内存
pname = malloc(mp3fileinfo.lfsize); //为带路径的文件名分配内存
mp3indextbl = malloc(2*totmp3num); //申请2*totmp3num个字节的内存,用于存放音乐文件索引
while(mp3fileinfo.lfname==NULL||pname==NULL||mp3indextbl==NULL)//内存分配出错
{
printf("内存分配失败!\r\n");
mico_thread_msleep(200);
}
//记录索引
res=f_opendir(&mp3dir,"0:/MUSIC"); //打开目录
if(res==FR_OK)
{
curindex=0;//当前索引为0
while(1)//全部查询一遍
{
temp=mp3dir.index; //记录当前index
res=f_readdir(&mp3dir,&mp3fileinfo); //读取目录下的一个文件
if(res!=FR_OK||mp3fileinfo.fname[0]==0)break; //错误了/到末尾了,退出
fn=(u8*)(*mp3fileinfo.lfname?mp3fileinfo.lfname:mp3fileinfo.fname);
res=f_typetell(fn);
if((res&0XF0)==0X40)//取高四位,看看是不是音乐文件
{
mp3indextbl[curindex]=temp;//记录索引
curindex++;
}
}
}
curindex=0; //从0开始显示
res=f_opendir(&mp3dir,(const TCHAR*)"0:/MUSIC"); //打开目录
while(res==FR_OK)//打开成功
{
dir_sdi(&mp3dir,mp3indextbl[curindex]); //改变当前目录索引
res=f_readdir(&mp3dir,&mp3fileinfo); //读取目录下的一个文件
if(res!=FR_OK||mp3fileinfo.fname[0]==0)break; //错误了/到末尾了,退出
fn=(u8*)(*mp3fileinfo.lfname?mp3fileinfo.lfname:mp3fileinfo.fname);
strcpy((char*)pname,"0:/MUSIC/"); //复制路径(目录)
strcat((char*)pname,(const char*)fn); //将文件名接在后面
printf("歌曲名字: %s\r\n", fn); //显示歌曲名字
mp3_index_show(curindex+1,totmp3num);
key=MP3_playSong(pname); //播放这个MP3
if(key==KEY0_PRES)//下一曲
{
curindex++;
if(curindex>=totmp3num)curindex=0;//到末尾的时候,自动从头开始
}else break; //产生了错误
}
free(mp3fileinfo.lfname); //释放内存
free(pname); //释放内存
free(mp3indextbl); //释放内存
}