Last active
December 20, 2020 21:37
-
-
Save judepereira/8f2938395f8ecb76b48899bf0a43b7b4 to your computer and use it in GitHub Desktop.
Send OTA updates to remotely update lua scripts on your ESP8266.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
-- Send OTA updates to remotely update lua scripts on your ESP8266. | |
-- | |
-- LICENCE: http://opensource.org/licenses/MIT | |
-- Created by Jude Pereira <contact@judepereira.com> | |
-- See https://judepereira.com/blog/sending-ota-updates-over-wifi-to-your-esp8266/ | |
srv = net.createServer(net.TCP) | |
current_file_name = nil | |
srv:listen(8080, function(conn) | |
conn:on("receive", function(sck, payload) | |
if string.sub(payload, 1, 5) == "BEGIN" then | |
current_file_name = string.sub(payload, 7) | |
file.open(current_file_name, "w") | |
file.close() | |
sck:send("NodeMCU: Writing to " .. current_file_name .. '...\n') | |
elseif string.sub(payload, 1, 4) == "DONE" then | |
sck:send("NodeMCU: Wrote file " .. current_file_name .. "!\n") | |
current_file_name = nil | |
elseif string.sub(payload, 1, 7) == "RESTART" then | |
sck:send("NodeMCU: Restart!\n") | |
tmr.create():alarm(500, tmr.ALARM_SINGLE, node.restart) | |
else | |
if file.open(current_file_name, "a+") then | |
if file.write(payload) then | |
file.close() | |
sck:send("ok\n") | |
else | |
sck:send("NodeMCU: Write failed!\n") | |
end | |
else | |
sck:send("NodeMCU: Open failed!\n") | |
end | |
end | |
end) | |
conn:on("sent", function(sck) sck:close() end) | |
end) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment