From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Dennis Ehlin (ECS)" <Dennis.Ehlin@ecs.ericsson.se>
To: "'Jonathan Larmour'" <jlarmour@redhat.com>
Cc: ecos-discuss@sources.redhat.com
Subject: RE: [ECOS] Serial device driver problem.
Date: Tue, 29 May 2001 23:21:00 -0000
Message-id: <2310E22AE31BD51189DB00A0C9DF89F85A27E3@eseklnt101.kl.sw.ericsson.se>
X-SW-Source: 2001-05/msg00507.html

>> 
>> When i do a serial_read (located serial.c) everything seems to work ok, and  i get to the
>> cyg_drv_cond_wait(&cbuf->wait) line and it stops there to wait for the cbuf->wait signal. ok.
>> 
>> Then i generate a serial receive interrupt and the serial_rcv_char function is called,
>> which sends the cbuf->wait signal with the line cyg_drv_cond_signal(&cbuf->wait).
>> 
>> But nothing happends?, the cyg_drv_cond_wait(&cbuf->wait) never continues, as if it never gets the
>> signal.
>
>Perhaps it did get the signal but hasn't read all the bytes requested (the
>*len argument).

Sounds unlikely, It's setup to receive only 1 byte, and i have a printout just after
the cyg_drv_cond_wait(&cbuf->wait) line, and it never gets executed.