{var%20f='http://v.t.sina.com.cn/share/share.php?appkey=1515056452',u=z||d.location,p=['&url=',e(u),'&title=',e(t||d.title),'&source=',e(r),'&sourceUrl=',e(l),'&content=',c||'gb2312','&pic=',e(p||'')].join('');function%20a(){if(!window.open([f,p].join(''),'mb',['toolbar=0,status=0,resizable=1,width=440,height=430,left=',(s.width-440)/2,',top=',(s.height-430)/2].join('')))u.href=[f,p].join('');};if(/Firefox/.test(navigator.userAgent))setTimeout(a,0);else%20a();})(screen,document,encodeURIComponent,'','','https://www.xiaopingtou.cn/data/attach/logo/logo.png', '推荐 我就知道我的会员名已被使用 的问题《把任务调度加进去音乐播放例程出现的错误》','https://www.xiaopingtou.net/q-128202.html','页面编码gb2312|utf-8默认gb2312'));){kind=link}
Build target 'AudioPlayer'
linking...
..OBJAudioPlayer.axf: Error: L6200E: Symbol PendSV_Handler multiply defined (by os_cpu_a.o and stm32f4xx_it.o).
Not enough information to list image symbols.
Not enough information to list the image map.
Finished: 2 information, 0 warning and 1 error messages.
"..OBJAudioPlayer.axf" - 1 Error(s), 0 Warning(s).
Target not created
linking...
..OBJAudioPlayer.axf: Error: L6200E: Symbol PendSV_Handler multiply defined (by os_cpu_a.o and stm32f4xx_it.o).
Not enough information to list image symbols.
Not enough information to list the image map.
Finished: 2 information, 0 warning and 1 error messages.
"..OBJAudioPlayer.axf" - 1 Error(s), 0 Warning(s).
Target not created
友情提示: 此问题已得到解决，问题已经关闭,关闭后问题禁止继续编辑，回答。
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谢谢，已解决。我还想问一下，问什么用任务调度去同时实现两种功能时，编译没有错误，下载成功后却经常是白屏的，幸运有时只能实现一种，这是为什么呢？
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