xiaoxiang781216 commented on issue #1153:
URL:
https://github.com/apache/incubator-nuttx-apps/issues/1153#issuecomment-1107445241
> Here is the background: I have a dev-board which has limited number of
pins. So I have to disable CONFIG_NSH_CONSOLE and use all the pins for other
purposes. I have disabled it and booted the system, the system runs and gives
the expected results(can be examined by detecting PWM or other peripheral
output). However, it is still painful without log output, so I want to redirect
all syslog output to telnet.
>
> After some thinking, I think one solution is:
>
> 1. Create a syslog channel when telnet_session is created. The code may be
something like:
>
> ```
> int syslog_telnet_channel(FAR struct telnet_session_s *session)
> {
> g_syslog_telnet_channel = syslog_dev_initialize(session->ts_devpath,
// will be the same name as telnet device,
> OPEN_FLAGS, OPEN_MODE);
> if (g_syslog_telnet_channel == NULL)
> {
> return -ENOMEM;
> }
>
> return syslog_channel(g_syslog_telnet_channel );
> }
> ```
>
> 2. Also need to add lock mechanism in telnet_write, it will be called from
different task now
>
> Is this the right way?
This solution can't handle the log from interrupt or panic. Why not use
ramlog?
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