主机给从机写数据，看了一下这个函数simpleProfile_WriteAttrCB(),发现每次写入的数据必须和定义的特性值的长度一致才能调用simpleProfileChangeCB()函数，我修改了一下实现了任意大小数据的写入，但在simpleProfileChangeCB()函数中进行动态分配内存时，却发现，分配不了，每次分配的buff只有一个字节，想问下TI的工程师，这个是怎么回事？
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