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Move RAMLOG driver to drivers/syslog; Add ability to output debug information to any character device or file

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4996 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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patacongo
2012-08-02 00:42:46 +00:00
parent 20324504d5
commit 6913926a96
40 changed files with 636 additions and 135 deletions
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nuttx/Documentation/NuttxPortingGuide.html
+14 -2
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@@ -4063,7 +4063,6 @@ build
<code>CONFIG_SIG_SIGWORK</code>: The signal number that will be used to wake-up
the worker thread. Default: 4
</li>
<li>
<code>CONFIG_SCHED_WAITPID</code>: Enables the <a href="NuttxUserGuide.html#waitpid"><code>waitpid()</code><a> API
</li>
@@ -4090,10 +4089,23 @@ build
<li>
<code>CONFIG_SYSLOG</code>: Enables general system logging support.
</li>
<code>CONFIG_SYSLOG_DEVPATH</code>: The full path to the system logging device.
Default <code>&quot;/dev/ramlog&quot;</code> (RAMLOG) or <code>&quot;dev/ttyS1;</code> (CHARDEV).
<p>
At present, the only system loggin device is a circular buffer in RAM.
At present, there are two system loggins devices available.
If <code>CONFIG_SYSLOG</code> is selected, then these options are also available.
</p>
<p>
First, any a generic character device that may be used as the SYSLOG.
</p>
<li>
<code>CONFIG_SYSLOG_CHAR</code>:
Enable the generic character device for the SYSLOG.
NOTE: No more than one SYSLOG device should be configured.
<p>
Alternatively, a circular buffer in RAM can be used as the SYSLOGing device.
The contents of this RAM buffer can be dumped using the NSH dmesg command.
</p>
<li>
<code>CONFIG_RAMLOG</code>: Enables the RAM logging feature
</li>