[tlinux-users:07467] Re: Infrarred and remote control

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Cheers,
	Manuel.


Manuel López-Ibáñez wrote:
> Hi,
> 
> I was just wondering. Is it possible to use the infra-red port of a 
> Toshiba Satellite Pro (M10) to receive the signal of a television remote 
> control. Do I need a special remote control? Do I need a special 
> infra-red receiver?  Wouldn't be cool to control music/video with the 
> remote control?
> 
> So far, I obtained the info for the IR port of the laptop[1]. I also 
> have the information for the remote control[2]. First I tried lirc_sir[4].
> 
> $ modprobe lirc_sir irq=3 io=0x2f8
> lirc_dev: IR Remote Control driver registered, at major 61
> lirc_dev: lirc_register_plugin: sample_rate: 0
> lirc_sir: I/O port 0x02f8, IRQ 3.
> lirc_sir: Installed.
> 
> 
> It creates a new device /dev/lirc/0. However, I don't get anything from 
> "mode2 -d /dev/lirc/0" when I press buttons on the remote control. So 
> maybe I needed to initialise the chip using smcinit[1].
> 
> [root@localhost ~]# smcinit -v
> smcinit 0.4
> 
> Default-Values for Satellite Pro M10:
> SIR ioport: 0x2f8
> FIR ioport: 0x130
> FIR interupt: 3
> FIR DMA: 1
> 
> Detected IO hub vendor id: 0x8086
> Detected IO hub device id: 0x24cc
> Detected Chip id: 0x5a
> 
> SIR ioport register      write: 0xbe     read: 0xbe
> FIR interrupt register   write: 0x3      read: 0x3
> FIR ioport register      write: 0x26     read: 0x26
> FIR dma register         write: 0x1      read: 0x1
> 
> Initialisation of the SMC 47Nxxx succeded
> 
> 
> 
> That looks fine. However, when I load lirc_sir still I can't get 
> anything from /dev/lirc/0.
> 
> Then, I tried with:
> 
> $ modprobe smsc-ircc2 ircc_cfg=0x5a ircc_dma=1 ircc_fir=0x130 ircc_irq=3 
> ircc_sir=0x2f8
> 
> in /var/log/messages I get:
> 
> Nov 20 01:53:05 localhost kernel:  Overriding FIR address 0x0130
> Nov 20 01:53:05 localhost kernel:  Overriding SIR address 0x02f8
> Nov 20 01:53:05 localhost kernel: SMsC IrDA Controller found
> Nov 20 01:53:05 localhost kernel:  IrCC version 2.0, firport 0x130, 
> sirport 0x2f8 dma=1, irq=3
> Nov 20 01:53:05 localhost kernel: No transceiver found. Defaulting to 
> Fast pin select
> Nov 20 01:53:05 localhost kernel: IrDA: Registered device irda0
> Nov 20 01:53:06 localhost hal.dev[10944]: DEVNAME is not set
> 
> 
> 
> (The hal.dev error is strange).
> 
> I was not able to find any additional device to look. Also, I cannot 
> load both lirc_sir and smsc-ircc2:
> 
> FATAL: Error inserting lirc_sir 
> (/lib/modules/2.6.12-12mdk-i686-up-4GB/kernel/3rdparty/lirc/drivers/lirc_sir/lirc_sir.ko.gz): 
> Device or resource busy
> FATAL: Error running install command for lirc_sir
> [root@localhost]# dmesg | tail
>  IrCC version 2.0, firport 0x130, sirport 0x2f8 dma=1, irq=3
> No transceiver found. Defaulting to Fast pin select
> IrDA: Registered device irda0
> lirc_dev: lirc_register_plugin: sample_rate: 0
> lirc_sir: i/o port 0x02f8 already in use.
> 
> 
> So this is all I have been able to get so far. This subject seems to be 
> quite complex in Linux, what is a shame because it seems to have a lot 
> of potential benefits. In general, I am confused between IrDA and LIRC 
> and the Linux-InfraRed-HOWTO[3] just adds more confusion to the subject.
> 
> There are some people that seem to have more luck than me [3][5][6]. 
> Although they don't talk about using a normal television remote control. 
> I don't even know if this is possible at all. Maybe I am just trying 
> something that doesn't make sense.
> 
> Any comments/suggestions/feedback?
> 
> The Toshiba people are also allowed to provide help and information; 
> after all I will have to buy a new laptop soon and I have heard that
> Dell[7] and HP[8] laptops are very compatible with Linux...
> 
> Thanks in advance,
> 
>     Manuel.
> 
> 
> [1] http://irda.sourceforge.net/smcinit/
> [2] http://lirc.sourceforge.net/remotes/
> [3] http://tuxmobil.org/howto_linux_infrared.html
> [4] http://gauss.dartmouth.edu/~genovese/satellite_1410-801.html#LIRC
> [5] http://valis.rpg.pl/~young/projekciki/toshiba-2450.shtml#irda
> [6] http://www.mandrake.tips.4.free.fr/lirc.html
> 
> [7] http://linux.slashdot.org/linux/05/09/17/1539212.shtml?tid=147&tid=184
> [8] http://www.heise.de/english/newsticker/news/58780
> 
>        
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