gmane.linux.irda.general

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Eric Petit — 2013-04-10T07:02:30

Hello, manukor
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IrDA stack faulty on some connection delays?

Conzelmann, Dirk — 2012-08-15T13:24:52

Hello irda-community,

I am performing connection reliability tests between
an ubuntu linux host and an embedded linux system.

Using irprintfx on the embedded system and irscanfx
on the host system works without problems.

But when I try to continously send data using different
delays between the messages, the irda stack seems
to get in a state where it is temporary unable to send
or queue data.

With a delay of 1s everything works fine.

Test setup:
        server (embedded-system)
                irattach /dev/ttyS2 -s
                irprintfx
                [waiting...]



        client (ubuntu-system)
                irattach /dev/ttyS0 -d tekram -s
                for interval in 1 5 15 45; do
                        i=0
                        while [ $i -lt 20 ]; do
                                echo -e "test 123" | irscanfx
                                sleep $interval
                                let "i+=i"
                        done
                done;

Using a delay of 5s I am able

mcs7780 + logitech harmony

Pierre-Philipp Braun — 2012-08-05T14:10:57

Hi,

I'm using Slackware 13.37 (32-bit).  With the default kernel, my 
taiwanese USB/IrDA Dongle seems to be recognized with the mcs7780 
module.  Also, I've got a Logitech Harmony 200 universal remote which I 
would like to use with it.  It can eventually emulate an MCE remote, but 
I'm not sure that's needed.  I still have configure the universal remote 
for some target device, though, and I don't which one.

There's several issues here, the first one being my IrDA receiver to 
work properly.

Are irda-utils really necessary ?  I cannot compile it on my system, 
although I got kernel headers and source available,
smc.c:35:20: fatal error: asm/io.h: No such file or directory

Should I compile a custom kernel or is it supposed to work already, 
since the dongle seems to be recognized ?

# lsmod|grep mcs
mcs7780                 6455  0
irda                   90780  1 mcs7780
crc_ccitt               1087  2 mcs7780,irda

# cat /proc/net/irda/discovery
IrLMP: Discovery log:

# setserial -g -a /dev/ttyS*
/dev/t

(no subject)

rami jiossy — 2012-05-14T17:20:53

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rami jiossy — 2012-05-14T09:23:31

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rami jiossy — 2012-05-14T04:38:01

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rami jiossy — 2012-05-13T18:24:54

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rami jiossy — 2012-05-13T15:15:32

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rami jiossy — 2012-05-11T19:16:25

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rami jiossy — 2012-05-09T17:26:07

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rami jiossy — 2012-05-09T16:52:41

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rami jiossy — 2012-04-28T09:09:26

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rami jiossy — 2012-04-27T13:25:08

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rami jiossy — 2012-04-27T11:20:22

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Request for new MCS7784 infrared dongle linux driver -Technical info and datasheet available

Francesco — 2011-08-14T18:05:03

I'm a linux user since many years.
I bought a new infrared usb dongle on the internet
and I have been trying to install it on linux (kernel 2.6 and 3.0).

After a full internet search, I found that the 2.4 linux kernel driver,
available from the manufacturer
(moschip.com) under GNU/GPL license, is not updated for new kernels.
I mailed them to ask for a new driver, but unfortunately I didn't receive a
reply.

Since I found that there are many requests about installation of this dongle on
linux (which is still unsupported) and that this peripheral is widely sold on
the internet, I think that it should be of great interest for linux users, and
for me, to have a new driver for kernels 3.0.

Unfortunately I'm not a kernel module developer and, although I do some very
simple programs in C++, I'm not aware of how infrared peripherals work:
I found your very interest site about infrared on linux and, if you are
interested in making a new kernel driver for this peripheral, I'm available to
test it and to provide you

Sending zero bytes on Linux IrDA stack returns error107

Wolfgang Schwotzer — 2010-08-25T20:43:17

Hi All,

My question is related to a bug in Wine: 
http://bugs.winehq.org/show_bug.cgi?id=19397

The attached source code compiles on Linux (e.g 2.6.32-24/Ubuntu 10.04) 
or Windows (e.g.XP)
It scans for all available LSAP-SELs and sends a zero byte buffer. So it 
should work with
any IrDA device.

On Linux I get the following output:

Detected IrDA device id: 0x8252409f name: 'Polar RS800CX'
Error connecting socket. LSAP-SEL1. Error: 104
....
Error connecting socket. LSAP-SEL65. Error: 104
Sending 0 bytes on IrDA device. LSAP-SEL66. Expected: 0, got: 107
Sending 0 bytes on IrDA device. LSAP-SEL67. Expected: 0, got: 107
Sending 0 bytes on IrDA device. LSAP-SEL68. Expected: 0, got: 107
Error connecting socket. LSAP-SEL69. Error: 104
Error connecting socket. LSAP-SEL70. Error: 104
Error connecting socket. LSAP-SEL71. Error: 113
Error connecting socket. LSAP-SEL72. Error: 113
Error connecting socket. LSAP-SEL73. Error: 104
....
Error connecting socket. LSAP-SEL111. Error: 104
Error connecting socket. LSAP-SEL112

Simulating IrDa devices

Jef Driesen — 2010-05-12T13:04:35

Hi,

I used to have a setup, where I used irattach on two linked pseudo 
terminals (like a virtual nullmodem cable) to simulate an IrDA device. 
To make it work I had a "server" simulator application that listens on 
an IrDA socket and serves some data like my real device would do. Then a 
"client" application would connect to an IrDA socket and communicate 
with the server application.

The pair of pseudo terminals were created with socat:

$socat PTY,raw,echo=0,link=/tmp/ttyS0 PTY,raw,echo=0,link=/tmp/ttyS1

And then I would run irattach on each of the pseudo terminals

$irattach `readlink /tmp/ttyS0`
$irattach `readlink /tmp/ttyS1`

Note that irattach doesn't seem to like the symbolic links, hence the 
readlink.

This used to work fine some time ago, but after a couple of (ubuntu) 
upgrades it doesn't work anymore. As soon as I start up the client 
application, my entire system locks up.

Does anyone knows how to make this work again?

Thanks,

Jef


-------------------------------------------------------

Uwatec Aladin TEC2G

Laurent ROCHE — 2010-01-21T18:56:40

Hello All,

I am trying to connect my dive computer to my laptop ... to no avail so far.

I am using a HP Omnibook 6100 laptop with Ubuntu 9.04.
With the same computer but running Windows I have been able to link to this dive computer and my Palm (Clié N770).
I am not interested in using IRDA for the Clié (I have enough cables for that) but the only way I can download info from my dive computer is with IRDA.

I am not sure whether I have every thing right or not to activate IRDA on Linux ? Or whether it's the program to download the info that's not working ?


Any help will be apreciated,
Cheers,
L< at >u
The Computing Froggy



      

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Access to IrDA PHY Level

Wallner Andreas — 2010-01-20T13:55:37

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irda: two branches in via_ircc_change_dongle_speed()are the same

Roel Kluin — 2010-01-17T14:58:46

in drivers/net/irda/via-ircc.c via_ircc_change_dongle_speed()

dongle_id case 0x0d:
two branches are the same whether `if (IsSIROn(iobase))' is true
or not. how should this be fixed?

Roel

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[PATCH] [IRDA]: ensure that index is within bounds instir421x_patch_device()

Roel Kluin — 2009-12-14T15:29:31

Test whether the index is within bounds before testing the element.

Signed-off-by: Roel Kluin <roel.kluin-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>
---
 drivers/net/irda/irda-usb.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index e8e33bb..1b0bd32 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
< at >< at > -1124,8 +1124,9 < at >< at > static int stir421x_patch_device(struct irda_usb_cb *self)
                  * The actual image starts after the "STMP" keyword
                  * so forward to the firmware header tag
                  */
-                for (i = 0; (fw->data[i] != STIR421X_PATCH_END_OF_HDR_TAG) &&
-     (i < fw->size); i++) ;
+for (i = 0; i < fw->size; i++)
+if (fw->data[i] == STIR421X_PATCH_END_OF_HDR_TAG)
+break;
                 /* here we check for the out of buffer case */
                 if ((STIR421X_PATCH_END_OF_HDR_TAG == fw->data[i]) &&
                     (i < STIR421X