From: Jon Q. <li...@te...> - 2004-03-25 06:14:18
|
OK. Karl, thanks for your response. Definitely helps me and much appreciated= .=20 In all the scavenging I've done in the past weeks i ran into the image=20 you cited (which helped me make sure my circuit was ok). thanks for providing the image! Now another stupid question.... I just set up winlirc on my xp computer. i plugged the packard bell=20 receiver into it, and tested its abilities with the packard bell remote=20 and my tv remote. it worked fine, as during both "learn" and "raw data" i could see the=20 signals from the remotes. then i hauled my linux box with the simple serial port xmitter i made=20 over and tried sending some signals, but they aren't detected. using irsend i get nothing, and i also get nothing when i send a file to=20 the port (in this case i do it without changing setserial none uart=20 etc....). doing both of these things, though, while a normal LED is plugged in,=20 will light up the LED. what would you check next? could it be something odd with my serial port. Karl Bongers wrote: >On Wed, Mar 24, 2004 at 06:48:46PM -0500, Jon Quiros wrote: > =20 > >>Stupid question.... >> >>In the diagram for the "simple" circuit on >>"http://lirc.org/transmitters.html" >> >>what is the rightmost circle? >> =20 >> > >Yes thats ground. > >Heres a picture that might help: http://www.turbobit.com/picts/ir-tx.jpe= g >=20 > =20 > >>I'm assuming it's GND??? >> >>For DTR i've been using pin 4 of the sub-d 9 pin connector and for GND=20 >>i've been using pin 5. >> =20 >> >=20 > =20 > >>Am i correct in doing this??? >> =20 >> > >Yes > > =20 > >>If so please help me aim in the right direction. i knew my electronics= =20 >>sucked, but not this much! >> >>When i use irsend and i have a normal LED in place of the IR one it fla= shes. >> =20 >> > >Good. > > =20 > >>I've been on this *simple* thing for weeks- just got some better IR led= s=20 >>from mouser because the RadioShack ones I had were 800-some nm instead=20 >>of 900-some nm. >> =20 >> > >Yes, I think 920 or so is the sweet spot for most of these receivers. >800 is more for IRDA, it will still work, just not as good. >=20 > =20 > >>thanks for your help!!! >> >>Jon >> =20 >> > >A few things: >Make sure "software carrier" is selected on when you compile the >lirc_serial.o. Get the IR LED up close to the TV or whatever you >test with, the range isn't that far with the simple transmit: 4-8ft >aimed real well. > >Now, preferably it would just work, but if it doesn't then you >need to troubleshoot. A receiver is needed, then you can >compare a signal from a working remote and one from your transmitter. >You can't use a combo lirc_serial unit to send/receive at the same >time. They need to be on different machines. Or, if you don't have >another machine, a IR detector tied to the microphone input can >be used to record and listen to a signal. > >Karl.=20 > > > >------------------------------------------------------- >This SF.Net email is sponsored by: IBM Linux Tutorials >Free Linux tutorial presented by Daniel Robbins, President and CEO of >GenToo technologies. Learn everything from fundamentals to system >administration.http://ads.osdn.com/?ad_id=1470&alloc_id638&op=CCk > > =20 > |