怎么修改启动信息波特率?
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Re: 怎么修改启动信息波特率?
Postby tobewinner » Thu May 19, 2016 10:39 am
启动时,输出的波特率由晶振决定,当晶振为26M时,是74880,当晶振为40M时,是115200,启动前期一段输出是bootloader中输出的,程序无法修改,当执行自己代码时,可在入口函数中修改串口的波特率,改为你需要的波特率
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