出警告:warning c280:'a' :unreferenced local variable
来源:互联网 发布:python爬虫 美国赚钱 编辑:程序博客网 时间:2024/04/27 19:18
过程:在AD_DA编程时,一开始定义函数:int AD_Send_Byte(uchar a,uchar control); //单片机发送字节函数
原因:虽然使用a传进来一个参数,但在这个函数里却没有使用。
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