Decoding Air condition remote


for past 3 days have been trying decode air condition's remote..
1stly remote not @ recognized neither irremote nor irlib libraries..

i started  googling on how decode , air condition's remote..
i came of aircon remotes sends long commands..

from below thread came know commands sent twice.
http://forum.arduino.cc/index.php?topic=226419.15
on thread's 16th post analysir guesses "this may increase chance of signal or basic error checking"

analysir has been doing great job , has contributed effort understand , decode signal of on/off button precious application..


my views found out today suddenly

1. aircon remotes sends 2 different values on , off
2. temp , temp down buttons sends different values different temperatures..
3.the air swing , fan speed sends different values each state..

so come know of buttons sends multiple values.
4. important part...
i found these multiple value buttons not sends value of own, checks states of other buttons (pwr, temp, swing position, fan speed).

reason this--  in case sometime remote's ir blocked , button states changed accidentally or changed in absence of electricity.
next time want change button's state purposely, update aircon match remote , not act false state.

     example  -   aircon running , while remote out of ir range or blocked, pwr state of remote changed off state. remote status shown false, remote shows aircon off in reality aircon on..
  when try change temperature purposely (in false state position) remote check states of other buttons , update new values aircon. aircon turn off, because on remote present status off (which changed accidentally)

so guessing reason of sending codes twice may updating state of changed button states of other buttons...

i trying check raw values in different ways analysir's written code decode long raw values in below link
http://www.analysir.com/blog/2014/03/19/air-conditioners-problems-recording-long-infrared-remote-control-signals-arduino/

its hard check , compare each values manually ...:(
but still trying.. let see how far can go...

hi joy

if post output of sketch several signals & temps, analyze , maybe give pointers.

also post make & model numbers ac unit & remote.


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