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@棉花局长 还是没有用啊 我用的还是官方开发板
)
@www123 不烧录烧录软件能打印下位机发送的消息 说明通信是连上的
怎么回事啊???
@www123 里面烧录过一次程序
))
@felix-yang 还要轮询过长的只能放在外面?
@felix-yang 还有,有没有1us 延时函数 10us都太长了

这个开发板,画个usb有什么用?浪费