Hi all,
there is a new IDE for the ESP32 that supports the M5stack enabling to write, save and debug the code using a simple web pages hosted by the module itself.
A huge list of features is available such as the SDcard, the TFT with a graphic GUI and a long list of sensors / interfaces.
A long list of protocols is supportes such as MQTT, UDP, GET, POST, .....
A beta version fully working is already available here (in parallel to the one for the ESP8266):
https://sites.google.com/site/annexwifi/home
More information on the group :
https://groups.google.com/forum/?hl=en-GB#!forum/annex_wifi_rds
Let's give a try