Unverified Commit 045d0536 authored by Derf Null's avatar Derf Null
Browse files

support multiple wifi configurations

parent 97d105ff

src/init.lua

+16 −11
Original line number Diff line number Diff line 
station_cfg = {}

station_cfgs = {}



chip_id = string.format("%06X", node.chipid())

device_id = "esp8266_" .. chip_id
@@ -19,6 +19,7 @@ ssd1306.init(128, 64) 
ssd1306.contrast(255)

fb.init(128, 64)



wifi_index = 1

no_wifi_count = 0

publish_count = 0
@@ -43,12 +44,12 @@ end 


function connect_wifi()

	print("WiFi MAC: " .. wifi.sta.getmac())

	print("Connecting to ESSID " .. station_cfg.ssid)

	print("Connecting to ESSID " .. station_cfgs[wifi_index].ssid)

	wifi.eventmon.register(wifi.eventmon.STA_GOT_IP, wifi_connected)

	wifi.eventmon.register(wifi.eventmon.STA_DHCP_TIMEOUT, wifi_err)

	wifi.eventmon.register(wifi.eventmon.STA_DISCONNECTED, wifi_err)

	wifi.setmode(wifi.STATION)

	wifi.sta.config(station_cfg)

	wifi.setmode(wifi.STATION, false)

	wifi.sta.config(station_cfgs[wifi_index])

	wifi.sta.connect()

end
@@ -85,19 +86,23 @@ function measure() 
	if have_wifi then

		fb.x = 100

		fb.print(fn, string.format("%d", wifi.sta.getrssi()))

	else

		if no_wifi_count == 5 then

			wifi_index = (wifi_index % table.getn(station_cfgs)) + 1

			wifi.setmode(wifi.NULLMODE, false)

		end

	if no_wifi_count < 120 then

		if no_wifi_count < 24 then

			no_wifi_count = no_wifi_count + 1

		else

			no_wifi_count = 0

			connect_wifi()

		end

	end

	ssd1306.show(fb.buf)

	fb.init(128, 64)

	publish_count = publish_count + 1

	if have_wifi and influx_url and publish_count >= 4 and not publishing_http then

		publish_count = 0

		gpio.write(ledpin, 0)

		publish_influx(co2, raw_temp, raw_humi, bat_mv)

	else

		collectgarbage()
@@ -109,7 +114,6 @@ function publish_influx(co2, raw_temp, raw_humi, bat_mv) 
	http.post(influx_url, influx_header, string.format("scd4x%s co2_ppm=%d,temperature_celsius=%d.%d,humidity_relpercent=%d.%d", influx_attr, co2, raw_temp/65536 - 45, (raw_temp%65536)/6554, raw_humi/65536, (raw_humi%65536)/6554), function(code, data)

		http.post(influx_url, influx_header, string.format("esp8266%s battery_mv=%d", influx_attr, bat_mv), function(code, data)

			publishing_http = false

			gpio.write(ledpin, 1)

			collectgarbage()

		end)

	end)
@@ -121,6 +125,7 @@ init_t:start() 


function wifi_connected()

	have_wifi = true

	no_wifi_count = 0

end



function wifi_err()