如果使用RTOS_SDK 开发ESP8266。
此时由于IO口短缺问题, 需要配合另外一款MCU 工作。(请不要建议我使用AT 模式。 AT 模式能实现http sever吗? )
此时他们之间需要通过串口 进行一些数据的 交换, 请问我应该接哪个uart 好!
如果接uart0 ,那么uart0 不止上电booting的时候(平时)老是打印一些乱七八糟的东西出来 会误触发 MCU,
如果采用,uart1, 从手册上看,uart1 只有txd , 请问这是什么设计? Rxd呢??????
难道这是一个只有发送功能的串口吗????
BR!
[SOLVED]串口交互问题!
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