Re: RPTUN usage

[Xiang Xiao]

You can try:

   1. echo hello > /dev/ttyRpmsg on one core
   2. and cat /dev/ttyRpmsg on another core

to confirm rpmsg uart work as expected before testing with cu.

On Wed, Feb 7, 2024 at 8:00 PM yfliu2008 <yfliu2...@qq.com.invalid> wrote:

> Xiang and Bowen,
>
>
>
> I noticed that I didn't initialize the call the "uart_rpmsg_init()"
> properly thus last time "rpmsg-ttyRpmsg" end point didn't shown in the
> "rpmsg dump" result. After fixing the call parameters, they shows out now:
>
>
> master&gt; rpmsg dump /dev/rptun/remote &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Dump rpmsg info between cpu
> (master: yes)master <==&gt; remote: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> rpmsg vq RX: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> rpmsg vq TX: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; rpmsg ept list: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; ept NS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; ept rpmsg-ttyRpmsg &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; ept rpmsg-ping &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; rpmsg buffer list: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; RX buffer, total 8, pending 0 &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; TX buffer, total 8, pending 0
>
> The "echo hello &gt; /dev/ttyRpmsg" command doesn't block any more,&nbsp;
> however the "cu" command doesn't work yet.&nbsp; I am not sure what is
> still missing. I think it is better to make uart-rpmsg work first before
> try any other RPMsg device types. Please let me know if you have any
> suggestions.
>
>
>
> Regards,
> yf
>
>
>
>
> Original
>
>
>
> From:"yfliu2008"< yfliu2...@qq.com &gt;;
>
> Date:2024/2/7 19:20
>
> To:"dev"< dev@nuttx.apache.org &gt;;
>
> Subject:RPTUN usage
>
>
>
> Xiang &amp; Bowen,
>
>
>
>
> Here I seemed have RPTUN running on the two cores of K230 device and I can
> use "rpmsg dump" to show some basic information on both cores:
>
>
>
> master&gt; rpmsg dump /dev/rptun/remote &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Dump rpmsg info between cpu
> (master: yes)master <==&gt; remote: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> rpmsg vq RX: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> rpmsg vq TX: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; rpmsg ept list: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; ept NS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; ept rpmsg-ping &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; rpmsg buffer list: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; RX buffer, total 8, pending 0 &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
>
> &nbsp; &nbsp; TX buffer, total 8, pending 0
>
>
> remote&gt; rpmsg /dev/rptun/master &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; nsh: rpmsg:
> missing required argument(s) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;
> remote&gt; rpmsg dump /dev/rptun/master &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> Dump rpmsg info between cpu (master: no)remote <==&gt; master: &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> rpmsg vq RX: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> rpmsg vq TX: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; rpmsg ept list: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; ept NS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; rpmsg buffer list: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; RX buffer, total 8, pending 0 &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
> &nbsp; &nbsp; TX buffer, total 8, pending 0
>
>
>
> However, I don't know how to further check the RPTUN link yet. It seems
> that "rpmsg ping /dev/rptun/remote 1 64 0 10" doesn't show anything. Also
> "echo hello &gt; /dev/ttyRpmsg" gets blocked.
>
>
>
>
>
> I tried "rpmsg ping" with "sim/rpserver" and "sim/rpproxy", it also
> doesn't show any thing. However, the "echo hello &gt; /dev/ttyproxy"
> command can show the message on console.
>
>
>
>
> Can you please suggest where should I start looking for RPTUN trouble
> shooting information?
>
>
>
>
> Regards,
>
> yf