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externi dalkove ovladani
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Mareka
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PostPosted: Tue Aug 08, 2006 1:31 pm    Post subject: Reply with quote

mk1141 wrote:
Chlapi ,pustte sa uz konecne do toho. Sa mi zda, ze vas berie lenivosť. Pray


Stejne to asi jen tak nepujde.

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Sh@dy
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PostPosted: Sun Sep 03, 2006 1:20 pm    Post subject: Reply with quote

Konecne som doma Smile Prazdniny sa uz skoncili, takze budem mat viac volneho casu Laughing V priebehu tyzdna sa do toho zase pustim a snad coskoro budem pisat o uspechoch (neuspech nepripustam wink )
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pip@
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PostPosted: Sun Sep 03, 2006 1:56 pm    Post subject: Reply with quote

btw. S75 má přístup v javě k Irda, přes COM třídy, nešlo by udělat, aby se to u S75 vysílalo infraportem??
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Sh@dy
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PostPosted: Sun Sep 03, 2006 4:35 pm    Post subject: Reply with quote

Nie, neslo by to... Skor som o tom uz pisal. Prva schema bola taka, ze sa priamo na vystup serioveho portu pripojila IR LED a RC5 protokol bol tvoreny tak, ze sa vysielali spravne data RS232 protokolom serioveho portu. Sice sa mi podarilo odosielat data tymto protokolom, lenze nebolo to stabilizovane, stale sa odoslali ine data. PC zachytil prijem IR signalu, lenze zobrazil stale ine data. Je to sposobene tym, ze seriovy port mobilu sa neda nastavovat - neda sa menit pocet stop bitov a parity bit.

Takze jedina moznost je HW zariadenie... Ale pokusam sa teraz zapojit do toho vystup audio signalu, mozno sa mi to podari takto to spravit a bolo by to funkcne takmer na kazdom telefone s javou - pridavne zariadenie by sa pripojilo ako HandsFree

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Sh@dy
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PostPosted: Fri Sep 08, 2006 1:14 pm    Post subject: Reply with quote

Tak audio signal do toho nebudem zapajat... Dalo by sa to, ale bolo by to zlozitejsie. Teraz pracujem na mierne upravenom HW, kde pouzijem len register (a pomocne hradla), nevyuzijem tam casovac 555 - namiesto neho skusim pouzit samotny seriovy port mobilu - budem vysielat data tak, aby vystupna frekvencia bola 36 kHz. Takto sa bude dat aj jednoducho menit frekvencia vysielania.

Potrobnejsie informacie napisem, ked to bude fungovat... Ale ak niekto chce, tak nech sa mi ozve na ICQ a mozem mu o tom napisat.

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SenorKohucik
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PostPosted: Fri Dec 22, 2006 8:55 pm    Post subject: Reply with quote

Chcel som sa spitat v akom je to stadiu ci sa na tom este roby
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Sh@dy
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PostPosted: Fri Dec 22, 2006 9:04 pm    Post subject: Reply with quote

Nemam velmi cas v tom pokracovat... A ani to nema velky zmyslel. Schema by nebola taka jednoducha, ako sa predpokladalo, takze by sa naslo asi len velmi malo ludi, co by si to spravili... A bolo by to dost velke (ak by sa to robilo z bezne dostupnych suciastok), takze by to ani nemalo velke vyuzitie. Rolling Eyes
Vyvoj je zastaveny... Ak by v tom niekto chcel pokracovat, rad sa podelim s tym, co vsetko som o tom zistil, kde som skoncil...

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DarkLegion
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PostPosted: Sat Aug 18, 2007 7:10 pm    Post subject: Reply with quote

takze ovladanie nebude???...a jak to dopadlo s tym ovladanim TV cez externu IR diodu?...ked ma niekto schemu...poslal by mi?alebo dajte link
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Sh@dy
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PostPosted: Sat Aug 18, 2007 8:11 pm    Post subject: Reply with quote

Cely cas sa tu riesilo ovladanie cez externu diodu. Ked si precitas par prispevkov dozadu, tak najdes odpovede na svoje otazky. Schema hotova nie je, ale v skrtke ti to popisem... Su 2 meznosti:

1.) Kristalom riadeny oscilator na 115200 Hz bude ovladat citanie so serioveho portu, prijme 14 bitov, ktore sa ulozia do registru zariadenia. Ked bude register plny, tak sa zacne vysielanie - protokol RC-5 odosiela kazdy bit 32 krat, takze bude potrebny dalsi "register" na scitavanie poctu odoslanych bitov (5b scitacka). Na vystupe by bol dalsi oscilator, 36 kHz pre vysielanie protokolom RC-5. Takze danou frekvenciou by sa vysielal signal cez nejaky logicky clen, aby log 0 sa vysielala ako 01 (32-krat) a log 1 ako 10. Ked sa to odosle 32-krat, tak sa posunie prvy register na dalsi bit, a tak to bude pokracovat, kym sa neodosle vsetkych 14 bitov z prveho registra. Bude treba este osetrit, aby sa zastavilo vysielanie, ked sa odosle vsetkych 14 bitov. Existuje na to viac sposobov pouzitm logickych clenov.

2.) Namiesto 14b registra pouzit 14b scitacku. Telefon by vysielal striedova 01, cim by inkrementoval hodnotu v scitacke. Tymto sposobom by netrebalo krystalom riadeny oscilator na 115200 Hz, ale telefon by musel odoslat ovela viac bitov a prenos by trval dlhsie. (napr. data 10100010001101 by bolo potrebne odoslat ako 10381 x 01, cize by bolo potrebne odoslat 20762 bitov namiesto 14). Zvysok zariadenia by bol takmer rovnaky. Hotove zariadenie by bolo trochu mensie a jednoduchsie, ale prenost by bol ovela komplikovaniejsi...

V oboch pripadoch by trebalo osetriti este jednu vec - ignorovat start a stop bit, tie sa nedaju nijak ovladat, cize ignorovat prvy bit (to je jednoduche) a potom kazdych 8 bitov ignotovat 2.

Vysledne zariadenie by malo dost velke rozmery, nema to zmysel robit, to uz sa viac oplati nosit vo vrecku univerzalne dialkove


Teraz som ciastoncne obnovil vyvoj IR dialkoveho, ale na uplne inom principe - ovladane by to bolo cisto audio signalom. Audio signal je plne ovladatelny a kedze je mozne pouzit vyssiu frekvenciu (mp3) ako 36 kHz, tak by sa dal signal upravit tak, aby bol vystup 36 kHz. Obmedzenie ostava len to, ze to nebude funkcne na starsich telefonoch (nepomoze ani elf na prehravanie mp3, kedze ono to aj tak prehrava wav o max. frekvencii 16 kHz). Vysledne zariadenie by sa dalo pouzit ako v mobile, tak aj v PDA, alebo notebooku, ci PC... A mozno aj v niekorych mp3 playeroch. Stacilo by len upravit napajanie, pripadne pripojit externe napajanie (3V baterie). Cele zariadenie by malo byt zlozene z IR diody, tranzistora, par pasivnych suciastok a nejaky konektor pre napajanie. Ak sa pouziju SMD suciastky, tak by to malo vojst aj do konektora pre telefon, napajanie by bolo samozrejme z telefonu.
Ked mam chvilku volneho casu, tak to testujem... No stale je v tom par otazok, ktore treba vyriesit.

Ak tu je niekto, kto tomu aspon trochu rozumie, a ma volny cas, tak nech da vediet, mozno ze by sa to nakoniec dotiahlo do konca Rolling Eyes

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DarkLegion
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PostPosted: Sun Aug 19, 2007 7:21 pm    Post subject: Reply with quote

daj potom vediet ako Applause velmi ma zaujima tato tema a keby sa to podarilo navrhnut tak by som bol medzi prvymi kto by to skusal robit Smile
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@urel
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PostPosted: Sun Aug 19, 2007 7:22 pm    Post subject: Reply with quote

No to by sa hodilo. wink
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Sh@dy
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PostPosted: Sun Aug 19, 2007 7:59 pm    Post subject: Reply with quote

Väcsina prispevkov tu je o tom, ako vas to zaujima, a ze by ste to velmi chceli... (aj by sa zislo premazat to) Ale stale to ostava na tom istom bode - na mne... No ja mam toho dost vela. Zislo by sa, ak by sa tu nasiel nejaky elektrotechnik (amater), co by to mohol testovat. Staci ak ma IR LED, nejaky tranzistor, jack a zopar pasivnych suciastok.
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mario_liptov
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PostPosted: Sun Aug 19, 2007 8:04 pm    Post subject: Reply with quote

Pozri Sh@dy, ja som elektrotechnik od svojich 2 rokov ked som pichol do zasuvky manikurove noznicky, takze ak mas urobenu nejaku java aplikaciu a nejaky popis k HW tak mi to posli a ja uz dorobim ostatok a otestujem to. Ale SW veci odo mna nechci na to nemam vlohy.
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Tak tam sem taky (Ne)byl...
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Sh@dy
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PostPosted: Sun Aug 19, 2007 8:21 pm    Post subject: Reply with quote

SW si necham pre seba Smile Ale teraz by som potreboval doriesit elektroniku... Myslim, ze "real time" komunikacia bude vyhodou. Takze teraz ICQ, neskor sem napiseme vysledky, ak sa k niecomu dopracujeme
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DarknessMaster
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PostPosted: Mon Oct 01, 2007 4:44 pm    Post subject: Reply with quote

to s tim napadem, modulovat IR led primo audio vystupem se mi celkem libi. podivam se jak to bude fungovat...
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