降低波特率试试看。用burntool工具
我这边也遇到类似的问题了,波特率降到115200了都,还是烧录不了,这样的话有什么解决方案吗 Connecting, please reset device...scons: *** loaderboot_sign.bin CC C Wait SELoader End ACK overtime burn fail. Please check connect and re-burn.