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各位大侠:
该块板子我用codeskin 1.7第一次烧写时正确烧录;同一块板子过段时间第二次烧写时,自动波特率正常后,出现返回信息错误出现invalide echo,不能继续烧写了;串口线我后来验证了一下是好的。请问有什么情况会出现这个,我该怎么处理