W601开启 uart2 AT_device有问题

逍遥不记年

选择支持M26模块后，串口收到了URC信息 却一直connect timeout  具体的log如下

\ | /
- RT -     Thread Operating System
/ | \     4.0.2 build Sep  9 2019
2006 - 2019 Copyright by rt-thread team
[I/sal.skt] Socket Abstraction Layer initialize success.
[I/at.clnt] AT client(V1.3.0) on device uart2 initialize success.
[D/at.dev] start initializing the m26/mc20 device(mc20)
[E/at.clnt] wait AT client(uart2) connect timeout(5000 tick).
[I/at.dev] m26 device(mc20) initialize retry...
[E/at.clnt] wait AT client(uart2) connect timeout(5000 tick).
[I/at.dev] m26 device(mc20) initialize retry...
[E/at.clnt] read line failed. The line data length is out of buffer size(512)!
[E/at.clnt] execute command (ATI) failed!
[I/at.dev] m26 device(mc20) initialize retry...
[I/at.dev] URC data : Call Ready

[D/at.clnt] execute command (ATE0) timeout (300 ticks)!
[I/at.dev] m26 device(mc20) initialize retry...
[D/at.clnt] execute command (ATE0) timeout (300 ticks)!
[I/at.dev] m26 device(mc20) initialize retry...
[E/at.dev] m26 device(mc20) network initialize failed(-1).
[D/at.dev] the network interface device(mc20) set up status.



后来测试了一下uart2的驱动 是正常的。可发可收。
这个是什么问题 求教

慕兰

估计你引脚接反了

peng1554

可以加群联系下：W601开发板群：797416020

Ernest2000

控制台与这个串口分开？