ubuntu repo has doxygen

$doxygen
then help info will show up, follow it and html file is produced, so easy 
$ doxygen -s peter.config
$ doxygen peter.config

there are some format required when you are wirting comment in your code

I can study axtu, and the right format is

@brief Set Operation mode.

axtsn-updater includes 3 mode.(update, install, erase)
This function can select one mode.

@param nIndex 0: Update, 1:Install, 2:Erase