You are reading a single comment by @tve and its replies.
Click here to read the full conversation.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@tve
Could you elaborate on what you expect, perhaps use-cases you expect to cover? In the end the issue is LwIP, which is not multithreading friendly. As a result, the Espressif SDK manages the application thread carefully. It would be easy to create a timer interrupt, but that will run on some random FreeRTOS thread and it won't be able to safely perform any network I/O.
My recommendation would be to use the timers provided by the SDK and see where that leads us. The step up would be to use interrupts in some form and to use them to drive some yield() type of stack switching in the interpreter loop so the code triggered by the timer can run on the normal application thread.
The esp has an RTC, but I don't know how accurate that ends up being. Fortunately with Wifi NTP usually isn't too far away.