Zaczynam wstępną implementację daemona w lua.
Na szybko stworzyłem prosty daemon odczytujący dane z interfejsu szeregowego:
local SERIAL_DEV = '/dev/ttyATH0' local serial = assert(io.open(SERIAL_DEV, 'rb')) assert(os.execute('stty -F '..SERIAL_DEV..' raw 9600')) while true do local ret = "" repeat local msg = serial:read(1) ret = ret..msg until msg == "n" or msg == "" print(ret) end
root@sensbase:/# lua serial.lua {"nodeid":"2.0","light":"1023.0","humi":"96.2","temp":"2.9","press":"999.8","batvol":"416.0","lobat":"0.0"} {"nodeid":"5.0","light":"0.0","humi":"0.0","temp":"21.3","press":"0.0","batvol":"298.0","lobat":"0.0"}