[mythtv-users] LIRC and serial to usb
blwalter at gmail.com
Sat Mar 24 12:32:19 UTC 2007
Brian Wood wrote:
> On Mar 24, 2007, at 5:42 AM, Brian Walter wrote:
>> I've decided on the IR Receiver from irblaster.info. This particular
>> one uses a serial port. However, the motherboard I'm building this
>> system on does not have an integrated serial port.
>> Two questions:
>> 1) The motherboard has a connector for a serial port, just needs the
>> port/bracket (not a card). Has anyone found *just* a bracket for
>> ports to be connected to the motherboard?
> Usually these come with the motherboard. You have to be careful as
> there is no accepted "standard" for the pinout and they vary with the
> maker, if you have the docs you can see what the various pins are and
> make your own with a DB9 or DB-25 connector.
Sadly, *both* motherboards say they can be connected, but, are sold
separately. I'm trying to get info/help from Asus in this regard..
>> 2) I've found serial to USB adapter cables. Is this a viable
>> Has anyone tried this with success?
> Again you have to be careful. Most of the devices made to be used
> with LIRC use the signaling lines of the RS-232 ports in a non-
> standard way, and thus USB-to-serial adapters will not work. I
> believe the unit you mention falls into that category.
> Units like the MyBlaster (which may no longer be available from what
> I've seen here) use the serial port in a "normal" way and thus will
> work with a USB-to-serial adapter if it supported by Linux itself.
> Costs are funny, you can buy an entire PVR-150 with a built-in IR
> blaster that will work with a patched LIRC for less than the cost of
> some USB-to-Serial adapters alone, which may not even work. Sort of
> like getting a cheap blaster with a free capture card with hardware
> encoding and the remote itself, for under $50.
> But those are USA prices and I'm not sure where you are, I know
> prices start getting pretty ridiculous outside the USA. gmail could
> be anywhere on the planet (or even beyond I suppose).
So basically, you'd suggest a pci add on serial port card?
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