2017.10.03 Eg of giziwits for stm32f407 STD lib 1.Stack_Size must be 0x01000 2.key pressure long press short press have deferent fuction 3.wifi esp8266 must used the gizwits spection fireware. usart 115200bps
bg8wj/gizwit-stm32f407
This is the best IoT what I used it is easy to connect to the server, and protocol is piece of cake. But sorry my friend it is only Chinese doc.
C