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IAR下，XDS100v3无法调试或下载固件：Failed to connect to the XDS emulator
4线。
错误的具体信息还有以下内容：
(Error -241 @ 0x0)
A router subpath could not be accessed.
A security error has probably occurred.
Make sure your device is unlocked.
(Emulation package 7.0.188.0)
