目标芯片是28054F，好像改过一次debug的设置，后来就一直弹出这个提示：
Device blocked debug access because it is currently executing non-debugable code. You may retry after the device has had time to enter debuggable code, or you may cancel, disable realtime mode, and then attempt to connect.
提示的两种方法都是过了，不行的。
怎么才能解决呢？？求助高手！！
