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RE: Serial application
- To: "'Jonathan Larmour'" <jlarmour at redhat dot com>
- Subject: RE: [ECOS] Serial application
- From: Ho Shui Choy Stanley PS03B NCS <scho at ncs dot com dot sg>
- Date: Thu, 10 May 2001 08:54:10 +0800
- Cc: "Ecos-Discuss (E-mail)" <ecos-discuss at sources dot redhat dot com>
But with the non blocking option select, the serial device is initialize
with a blocking value of "true" which is in the serial_init function.
-----Original Message-----
From: Jonathan Larmour [mailto:jlarmour@redhat.com]
Sent: Thursday, May 10, 2001 03:28
To: Ho Shui Choy Stanley PS03B NCS
Cc: Ecos-Discuss (E-mail)
Subject: Re: [ECOS] Serial application
Ho Shui Choy Stanley PS03B NCS wrote:
>
> Here is what I changed.
>
> in /io/serial/current/src/common/serial.c
>
> serial_read {
> ...
> ...
> #ifdef CYGOPT_IO_SERIAL_SUPPORT_NONBLOCKING
> if (cbuf->blocking) { <- previously checking for false
> *len = size; // characters actually read
> res = -EAGAIN;
> break;
> }
> #endif // CYGOPT_IO_SERIAL_SUPPORT_NONBLOCKING
But the check _should_ be for !cbuf->blocking surely?
Jifl
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