* updated wifi_eventmon to store events in LUA_REGISTRYINDEX
* updated wifi_eventmon debug comments
* Updated wifi.c to remove c_free()
In wifi_ap_listclient(app/modules/wifi.c), c_free() was replaced with
wifi_softap_free_station_info()
* Removed unnecessary line of code from app/modules/wifi_eventmon.c
* Add event callbacks to wifi.sta.config() and wifi.ap.config() and more
Added option to register event callbacks during configuration of both
station and AP.
Added option to register event callbacks to `wifi.sta.connect()` and
`wifi.sta.disconnect()`
* Add note about event registration to wifi module documentation
Other minor changes to wifi documentation are also included
* Add more detail to documentation for wifi.sta.config()
The following functions were removed:
- `wifi.sta.eventMonReg()`
- `wifi.sta.eventMonStart()`
- `wifi.sta.eventMonStop()`
The corresponding documentation has also been removed
This PR addresses issue #1893
* Update wifi event monitor documentation
Added a note to `wifi.eventmon.register()` and `wifi.sta.eventmonreg()`
* Add deprecation note to `wifi.sta.eventMonReg()`
Implement SDK event monitor
Move wifi status event monitor code into seperate file
(app/modules/wifi_eventmon.c)
Modify wifi lua callback registration code.
Add Functions wifi.ap.deauth and wifi.sta.getrssi
Rework wifi event monitor to use tasking interface
fix for Lua coroutine compatibility issue
Made changes Suggested by TerryE
Also, moved code that sets the default host name out of
luaopen_wifi_init and into a separate function and added a post_task_low
entry in it's place.
Replaced some if test then return error lines with
luaL_argcheck
Add check for malloc null return in wifi.eventmon
to catch out of memory errors