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串口显示乱码 #4

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suibin0127 opened this issue Mar 1, 2020 · 0 comments
Open

串口显示乱码 #4

suibin0127 opened this issue Mar 1, 2020 · 0 comments

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@suibin0127
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我的板子一直以来USART BOOT模式进不了，显示init device fail ， 感觉是ST 出厂 SP Bootloader有问题，用Jlink Dump 0x0-0x7FFFFFF 内容是空的，所以想试下其它boot loader，用FLASH ROM启动，
现在下载了你的这个BOOT，烧进去后，模式BOOT0 =0， 用串口得到的是乱码，
请问是怎么回事？谢谢

[11:49:26.517] *y絢鮹齟=-#縠5#�刊S繜肟��7=�5咫�'!=7咫�=�5咫5#�咫�#=��咫
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@suibin0127