64 lines
1.8 KiB
Lua
64 lines
1.8 KiB
Lua
-- initially based on https://github.com/nodemcu/nodemcu-firmware/blob/master/lua_examples/webap_toggle_pin.lua
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-- start wifi client or AP mode
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--dofile('wificlient.lua')
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dofile('wifiap.lua')
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-- LED init (strip with 72 leds)
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print("Initializing LED strip...")
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ws2812.init()
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strip_buffer = ws2812.newBuffer(6, 3)
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ws2812_effects.init(strip_buffer)
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-- initially all leds off
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ws2812_effects.set_speed(200)
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ws2812_effects.set_brightness(0)
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ws2812_effects.set_color(0,0,0)
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ws2812_effects.start()
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print("done.")
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print()
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-- helper functions
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-- send a file from memory to the client; max. line length = 1024 bytes!
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function send_file(client, filename)
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if file.open(filename, "r") then
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repeat
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local line=file.read('\n')
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if line then
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client:send(line)
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end
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until not line
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file.close()
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end
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end
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-- web server
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srv = net.createServer(net.TCP)
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srv:listen(80, function(conn)
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conn:on("receive", function(client, request)
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local _, _, method, path, vars = string.find(request, "([A-Z]+) (.+)?(.+) HTTP")
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if (method == nil) then
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_, _, method, path = string.find(request, "([A-Z]+) (.+) HTTP")
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end
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local _GET = {}
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if (vars ~= nil) then
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for k, v in string.gmatch(vars, "(%w+)=([a-z0-9_]+)&*") do
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_GET[k] = v
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end
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end
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if (_GET.set == "effect") then
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print("setting effect", _GET.effect)
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ws2812_effects.set_mode(_GET.effect)
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ws2812_effects.set_speed(200)
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ws2812_effects.set_brightness(50)
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ws2812_effects.start()
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end
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if (_GET.set == "color") then
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print("setting color (RGB)", _GET.r, _GET.g, _GET.b)
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ws2812_effects.set_color(_GET.g, _GET.r, _GET.b) -- obviously our strip is GRB and not RGB
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end
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send_file(client, 'index.html')
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end)
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conn:on("sent", function(c) c:close() end)
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end)
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