[ECOS] FW: [ECOS] ecos-discuss@ecos.sourceware.org

Yong Chen Tan oricon776@hotmail.com
Fri Jun 27 08:59:00 GMT 2008


> Date: Wed, 25 Jun 2008 14:22:12 +0200
> From: andrew@lunn.ch
> To: oricon776@hotmail.com
> CC: ecos-discuss@ecos.sourceware.org
> Subject: Re: [ECOS] ecos-discuss@ecos.sourceware.org
>
> On Wed, Jun 25, 2008 at 12:19:00PM +0000, Yong Chen Tan wrote:
>>
>> Hi, for my case is two threads running.
>> One thread is a menu printed on the hyperterminal and scanf is used to check for user input.
>> Another thread is to run a simple 7 Seg LED from 0-9 on ARM Board.
>>
>> So the thread for the 7 Seg LED is stuck at the scanf thread.
>> How should it be solved? Puzzled...
>
> Please don't top post.
>
>>> Date: Wed, 25 Jun 2008 04:19:20 -0600
>>> From: gary@mlbassoc.com
>>> To: oricon776@hotmail.com
>>> CC: ecos-discuss@ecos.sourceware.org
>>> Subject: Re: [ECOS] ecos-discuss@ecos.sourceware.org
>>>
>>> Yong Chen Tan wrote:
>>>>
>>>> Hi, I got some doubts regarding the multi-threading.
>>>> I experience some problems when i do multi-threading.
>>>> The thread seems to stuck at the scanf function. Is it normal? Are there ways to solve this problem?
>>>
>>> What's the source of your input? Notice that the default console (haldiag) does
>>> non-interrupt I/O (in fact with interrupts disabled) and will definitely block
>>> all other threads from running.
>>>
>>> If you want interruptable console I/O, you'll need to enable the serial drivers.
>>> Check the archives for lengthy discussions on this point.
>
>
> Do as Gary said here.... Enable the interrupt driver serial device
> driver and use /dev/ser0, or /dev/tty0 as appropriate.
>
> Andrew
>
> --

Hi, i tried to enable the interrupt driver serial device but now the serial keep giving me interrupt signals.
How shall I go about solving this problem?

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