Re: Can Lua run within the real-time kernel?

[孙世龙 sunshilong <sunshilong369@...>]

Hi, Paul Ducklin

> There is an ESP8266 version (where you can choose Lua 5.1 or 5.3) and ESP32 version (5.1 only).
So Lua runs on FreeRTOS for ESP8266?
There is a folder named as FreeRTOS.

Best regards
Sunshilong

On Sun, Sep 20, 2020 at 7:20 AM Paul Ducklin <pducklin@outlook.com> wrote:
>
> I use NodeMCU on an Espressif ESP32.
>
> It’s basically a Lua-based OS for the ESP and a few other related microcontroller boards.
>
> Check nodemcu/nodemcu-firmware on Github.
>
> It consists of Lua and a bunch of relevant libraries (e.g. Wi-Fi, basic BLE, GPIO twiddling, outputting to various popular microcontroller displays) that are built using the Espressif IoT Development Framework that is based on FreeRTOS.
>
> I really like it but I only use it for fun. How good it is for soft real-time programming I have no idea - I have just used it to play around with Bluetooth and Wi-Fi sniffing.
>
> If you want to see what is possible using pure Lua-based firmware on a microcontroller you might as well try it.
>
> There is an ESP8266 version (where you can choose Lua 5.1 or 5.3) and and ESP32 version (5.1 only). Suitable development test boards are a couple of dollars each, USB powered and with a USB UART so you don’t even need to put them on a breadboard.
>
> I have also tried Whitecatboard, a Lua-based RTOS firmware for a range of different boards (also ESP-based), but haven’t done anything serious with it.
>
> Check whitecatboard/Lua-RTOS-ESP32 on Github.
>
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> > On 16 Sep 2020, at 02:40, 孙世龙 sunshilong <sunshilong369@gmail.com> wrote:
> >
> > Hi,
> >
> > Can Lua run within the real-time kernel?
> > Does anybody do such a test?
> >
> > Is it possible to run Lua scripts on the controller for real-time control?
> >
> > Best regards
> > Sunshilong