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[docs] update serial_printf doc (#9780)

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Jonathan Hudson 2024-03-08 17:47:48 +00:00 • committed by GitHub
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docs/development/serial_printf_debugging.md
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@ -98,10 +98,13 @@ LOG_BUF_DEBUG(TEMPERATURE, &tstruct, sizeof(tstruct));
Log messages are transmitted through the `FUNCTION_LOG` serial port as MSP messages (`MSP_DEBUGMSG`). It is possible to use any serial terminal to display these messages, however it is advisable to use an application that understands `MSP_DEBUGMSG` in order to maintain readability (in a raw serial terminal the MSP message envelope may result in the display of strange characters). `MSP_DEBUGMSG` aware applications include:
* [msp-tool](https://github.com/fiam/msp-tool)
* [mwp](https://github.com/stronnag/mwptools)
* [dbg-tool](https://codeberg.org/stronnag/dbg-tool)
* [INAV Configurator](https://github.com/iNavFlight/inav-configurator)
* [mwp](https://github.com/stronnag/mwptools)
In addtion:
* [msp-tool](https://github.com/fiam/msp-tool) is obsolete and has limited OS support.
For example, with the final lines of `src/main/fc/fc_init.c` set to:
@ -121,10 +124,16 @@ set log_topics = 4294967295
The output will be formatted as follows:
```
# msp-tool
[DEBUG] [ 3.967] Init is complete
# dbg-tool
[dbg-tool] 12:46:49.909079 DBG: [ 3.967] Init is complete
# mwp (stderr log file)
2020-02-02T19:09:02+0000 DEBUG:[ 3.968] Init is complete
# msp-tool
[DEBUG] [ 3.967] Init is complete
```
The numeric value in square brackets is the FC uptime in seconds.
For the Configurator, debug messages are shown in the developer console log.
Note: The numeric value in square brackets is the FC uptime in seconds.