RKSK ?? ?????? ?? ( https://robot.lk/viewtopic.php?style=3& ... 145#p11145) ?????? ???? ????? ?? ???? ???? ?????. ??? ???? ????? ??? HITACHI CMT 2077 TV ??? CLE-898 remote ????? Tx ??? IR signals ??? ?? PIC KIT 2 Clone ?? ????? ??? decode ???.
?? ????? ???? IR Receiver ??? Pin Configuration ?? ???? ??? ????? ????? sensor ??? ??? ????? ????? ?????? ??? ???? ???????? ??????? ????? ???????? ?????.
???? ?????? ?? Protocol ?? ??????? ????
IR Tx Protocols ??? ???? ?????? ??????? ????? ???????.
http://www.sbprojects.com/knowledge/ir/index.php
Protocol ??? ?????
• 8 bit address length ?? 8 bit command length.
• address ?? command data ??????? Tx ???? ??????. (reliability ?? ?????? ?????)
• PWM ????? ??????
• 38 KHz ???? ??????? (carrier) ????? ??? ??
• 1.125 ms ?? 2.25ms bit time ????? ??? ?? (???? ???????? ????)
??????? Modulation
PROTOCOL ??? ?? logical 1 ??????? ?????? 560?S ??? AGC Pulse ???? ?? 1690?S ??? Space ??????. ? ??????? logical 1 ??????? ????? 2.25ms bit time ???? ???.
Logical 0 ??????? ?????? 560?S ??? AGC Pulse ???? ?? 560?S ??? Space ??????. ?????? 1.12ms ??.
Protocol ??
?? ????????? Ch2 ?? Ch3 ???? ???.
?? ????? ?????? 9 ms ??? AGC Pulse ???? ?? 4.5ms ??? Space ???? ???? ?????? ? ??????.
???? address ???? command ???? ????. ???? /(address ) ?? /( command) ???? ?????????? ???? ?? ????? ????? address ????? command ????? (Complement) ???????? ??. ?? ???? ????? ??????? Tx ???? ????. ??? ???? ???? ????????????. ????? ?????? ?????????? ??????? ???? ??? ???? ?????????. ( SIRC ????? ????? ???????? ??????? ????? ??) .
address ???? command 8 bit ??????? ???????. ? ??????? ??????? ????? ??????- combinations 255?? (0-28-1) ?? ??????? ??????? ???? ????. ? 255 ?????? ???? ?? Invert ???? byte ???? ????? 16bit protocol ?????? ????? Extended Protocol ????. ????? 256 ?????? 65535?? ????? ??????? ?????????. ? ??? ?????? ?????? ?? ??.
?? ?? decode ???? signals ??????
(0) 0000 1010 1111 0101 0011 0000 1100 1111
(1) 0000 1010 1111 0101 1011 0000 0100 1111
(2) 0000 1010 1111 0101 0111 0000 1000 1111
(3) 0000 1010 1111 0101 1111 0000 0000 1111
(4) 0000 1010 1111 0101 0011 1000 1100 0111
(5) 0000 1010 1111 0101 1011 1000 0100 0111
(6) 0000 1010 1111 0101 0111 1000 1000 0111
(7) 0000 1010 1111 0101 1111 1000 0000 0111
(8) 0000 1010 1111 0101 0010 0000 1101 1111
(9) 0000 1010 1111 0101 1010 0000 0101 1111
(CH_DOWN) 0000 1010 1111 0101 0001 1000 1110 0111
(CH_UP) 0000 1010 1111 0101 1001 1000 0110 0111
(OFF) 0000 1010 1111 0101 1110 1000 0001 0011
(TV/VIDEO) 0000 1010 1111 0101 1001 0000 0110 1111
For More Information,Visit http://www.sbprojects.com/knowledge/ir/nec.php
Hitachi TV Remote Controller Signals Decoded- NEC Protocol
Re: Hitachi TV Remote Controller Signals Decoded- NEC Protocol
Nice work bro..
Re: Hitachi TV Remote Controller Signals Decoded- NEC Protocol
Thanks RKSK.... Implementation to a PIC coming up next..Rksk wrote:Nice work bro..
Re: Hitachi TV Remote Controller Signals Decoded- NEC Protocol
Great... ROBOT.LK is the right place for you. Well done!
Re: Hitachi TV Remote Controller Signals Decoded- NEC Protocol
Well done bro...Nice
Re: Hitachi TV Remote Controller Signals Decoded- NEC Protocol
Thanks all!! NEO & Nandika ayya