From: VDR U. <use...@gm...> - 2010-06-29 06:40:56
|
Hi. I've built an FTDI-based IR receiver as per Albert Huitsing's schematic at: http://www.huitsing.nl/irftdi/ It's just a TSOP1738 connected to an FTDI MM232R, with two sets of pins jumpered together. I grabbed today's CVS of lirc, compiled it for FTDI and hoped to get it fully working so I could use it with my htpc box. It seems to be working for the most part but with some bugs that need to be ironed out before it's useful. When I run mode2, I get: mode2: Initializing FTDI: mode2: opened FTDI device '' OK pulse 3 space 1034085 pulse 81 space 463102 pulse 208 space 7537594 pulse 172 space 3598193 pulse 94 space 2650250 pulse 104 space 496695 pulse 104 space 4437701 pulse 100 space 3078024 Are we ok so far? After that I attempt to create a conf using irrecord: daemons/irrecord: opened FTDI device '' OK Now start pressing buttons on your remote control. ...snip... Press RETURN now to start recording. ................................................................................ Found const length: 107285 Please keep on pressing buttons like described above. ................................................................................ Space/pulse encoded remote control found. Signal length is 67. No header found. Found trail pulse: 641 No repeat header found. Signals are space encoded. Signal length is 33 Now enter the names for the buttons. Please enter the name for the next button (press <ENTER> to finish recording) power Now hold down button "power". Something went wrong. daemons/irrecord: Initializing FTDI: Please try again. (9 retries left) ...snip... daemons/irrecord: opened FTDI device '' OK Something went wrong. daemons/irrecord: Initializing FTDI: Please try again. (1 retries left) daemons/irrecord: opened FTDI device '' OK Something went wrong. Try using the -f option. So that failed for some reason but I try using -f (force raw mode) as suggested: daemons/irrecord: opened FTDI device '' OK Now start pressing buttons on your remote control. ...snip... Press RETURN now to start recording. ................................................................................ Found const length: 107283 Please keep on pressing buttons like described above. Creating config file in raw mode. Now enter the names for the buttons. Please enter the name for the next button (press <ENTER> to finish recording) power Now hold down button "power". Got it. Signal length is 1 Please enter the name for the next button (press <ENTER> to finish recording) power Now hold down button "power". Got it. Signal length is 67 As you see, the very first attempt to record a key is screwed up with "Signal length is 1" so I try it again and it seems to work. The catch is that the "Signal length is 1" happened without me having pressed any keys, and with the remote actually pointed away from the IR receiver at the time (due to position of the keyboard & IR receiver). This happened several times throughout the rest of the process. When I was done making the conf, I went ahead and edited out all the failed "Signal length is 1". I then tested the with irw and got mixed results... So keys worked every time I pressed them, others I had to press several times before one registered in irw, and other keys never registered after many keypress attempts. 0000000000000019 00 enter/ok Twinhan 0000000000000019 00 enter/ok Twinhan 0000000000000018 00 right_arrow Twinhan 0000000000000017 00 left_arrow Twinhan 0000000000000016 00 down_arrow Twinhan 0000000000000010 00 0 Twinhan 000000000000000f 00 9 Twinhan 000000000000000e 00 8 Twinhan 0000000000000001 00 power Twinhan 0000000000000002 00 favorite_list Twinhan 0000000000000006 00 record_list Twinhan 0000000000000005 00 info/epg Twinhan 0000000000000004 00 preview Twinhan 0000000000000003 00 teletext Twinhan 0000000000000019 00 enter/ok Twinhan 0000000000000019 01 enter/ok Twinhan I feel like this is close to working but something (some setting possibly?) is off. The RC5 remote control I'm using came with a Twinhan dvb-s card, and as mentioned before -- works fine when used with the serial homebrew IR receiver. Also, I'm using Debian testing with libftdi-dev (0.17-1+b1) and libftdi1 (0.17-1+b1). Any and all help getting this sorted out is greatly appreciated! Best regards, Derek |
From: <li...@ba...> - 2010-06-29 17:42:43
|
Hi! VDR User "use...@gm..." wrote: > Hi. I've built an FTDI-based IR receiver as per Albert Huitsing's > schematic at: http://www.huitsing.nl/irftdi/ [...] > out before it's useful. When I run mode2, I get: > > mode2: Initializing FTDI: > mode2: opened FTDI device '' OK > pulse 3 > space 1034085 > pulse 81 > space 463102 > pulse 208 > space 7537594 > pulse 172 > space 3598193 > pulse 94 > space 2650250 > pulse 104 > space 496695 > pulse 104 > space 4437701 > pulse 100 > space 3078024 > > Are we ok so far? No. What you see are spikes. Your hardware is picking up noise. That's why you have problems with irrecord. You havn't shown you config file, so I can't comment on that. Christoph |
From: VDR U. <use...@gm...> - 2010-06-29 21:53:28
|
On Tue, Jun 29, 2010 at 10:38 AM, Christoph Bartelmus <li...@ba...> wrote: >> pulse 104 >> space 4437701 >> pulse 100 >> space 3078024 >> >> Are we ok so far? > > No. What you see are spikes. > Your hardware is picking up noise. That's why you have problems with > irrecord. Could this be caused by the wire I used to solder the TSOP1738 pins to the MM232R module? I just stripped off 3 wires from an old IDE cable I had laying around. I do have some 4wire solid core phone line as well, or would you recommend something different? > You havn't shown you config file, so I can't comment on that. Below I've included the original conf file, with the "Signal length is 1" errors still included. Please let me know if any other information is needed. Thanks very much for your response!! ========== # Please make this file available to others # by sending it to <li...@ba...> # # this config file was automatically generated # using lirc-0.8.7-CVS(ftdi) on Mon Jun 28 10:24:55 2010 # # contributed by # # brand: /tmp/lircd.conf # model no. of remote control: # devices being controlled by this remote: # begin remote name /tmp/lircd.conf flags RAW_CODES|CONST_LENGTH eps 30 aeps 100 gap 107283 begin raw_codes name power 94 name power 9078 4326 696 445 618 494 644 491 696 445 608 498 641 494 693 442 615 501 641 1627 468 1637 657 1575 638 1630 608 1617 657 1588 644 1546 602 1630 690 449 608 1640 680 1559 631 488 660 1582 631 504 611 445 638 472 660 1601 605 501 654 465 693 1559 657 472 664 1565 664 1539 628 1604 657 name favorite_list 9020 4417 654 475 638 475 657 462 667 472 641 478 664 468 670 475 598 377 680 1582 644 1608 657 1582 660 1595 657 1565 667 1497 660 1591 631 1617 664 1569 651 1598 647 1595 660 416 641 1604 654 462 641 468 641 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504 608 1624 631 1608 605 1663 615 1624 608 1656 611 1526 589 1663 625 1604 644 498 621 1617 634 1656 611 1536 628 1588 631 491 638 1604 641 488 664 1604 605 488 634 498 608 455 657 485 608 1630 621 498 660 1591 657 name blue 9016 4427 654 475 605 507 654 358 615 498 634 478 628 501 631 501 608 524 631 1617 595 1630 634 1621 546 1627 611 1647 634 1630 608 1643 602 1634 631 1536 602 1637 611 1640 664 1608 618 1627 605 527 638 1598 514 504 654 498 605 511 615 520 602 520 611 524 611 1595 641 524 579 1637 628 end raw_codes end remote |
From: Albert H. <al...@hu...> - 2010-06-30 12:34:11
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> VDR User schreef: <blockquote cite="mid:AAN...@ma..." type="cite"> <pre wrap="">On Tue, Jun 29, 2010 at 10:38 AM, Christoph Bartelmus <a class="moz-txt-link-rfc2396E" href="mailto:li...@ba..."><li...@ba...></a> wrote: </pre> <blockquote type="cite"> <blockquote type="cite"> <pre wrap="">pulse 104 space 4437701 pulse 100 space 3078024 Are we ok so far? </pre> </blockquote> <pre wrap="">No. What you see are spikes. Your hardware is picking up noise. That's why you have problems with irrecord. </pre> </blockquote> </blockquote> indeed: it looks like spikes to me too..<br> <blockquote cite="mid:AAN...@ma..." type="cite"> <pre wrap=""><!---->Could this be caused by the wire I used to solder the TSOP1738 pins to the MM232R module? I just stripped off 3 wires from an old IDE cable I had laying around. I do have some 4wire solid core phone line as well, or would you recommend something different? </pre> </blockquote> neh... it probably is a power-supply issue: see datasheet of TSOP1738, and add the 100R / 4.7 uF combination to suppress the spikes.<br> <br> Albert<br> <br> <div class="moz-signature">-- <br> <title></title> <pre><tt> __________________________________________________________________ | _______ | | <b>Albert Huitsing</b> | | <b>Huitsing Embedded Systems</b> | | System Design | /|___|\ Dr. Mondenweg 5 | | <a class="moz-txt-link-abbreviated" href="mailto:al...@hu...">al...@hu...</a> | / \ 7831 JA Nw. Weerdinge | | | \ ___ / Phone: +31-(0)591-521222 | | \ \| | |/ Fax: +31-(0)591-522113 | | \______| <a class="moz-txt-link-freetext" href="http://www.huitsing.nl">http://www.huitsing.nl</a> | | | | "<i>conformity is the uncomfortable feeling of wearing</i> | | <i>somebody else's clothes; even when they don't fit</i>" | |__________________________________________________________________|</tt></pre> </div> </body> </html> |