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我将 ARM DS-5 与 ARM 5 编译器工具链一起使用。我正在尝试使用“mavlink_types.h”（链接：https ://github.com/mavlink/c_library_v1 ）。但是，我有一个错误说：在打包的“param_union”中嵌套匿名联合的定义必须是__packed。有谁知道如何解决这一问题 ？？