Samuel Thibault, le Tue 23 Sep 2008 00:46:18 +0200, a écrit :
> Hello,
>
> James Teh, le Mon 15 Sep 2008 09:21:47 +1000, a écrit :
> > * Even with this serial:com4 configuration, powering down the display
> > causes problems. I see
> > Baum Powerdown: power switch
> > Subsequently, brltty starts chewing massive amounts of CPU.
>
> I've had some issues with my irda serial port as well: brltty dies
> because it divides by brl.x which is 0 in that case.
I've investigated a bit more. What happens is that brltty gets garbage
from the irda port, which happens to look like a baum cell count packet.
The attached patch fixes the issue.
Now, about the CPU consumption, I've noticed something bad with my irda
port: awaitInput doesn't wait. It may be that we are just missing and
end of file condition, I'll investigate more later.
Samuel
Index: BrailleDrivers/Baum/braille.c
===================================================================
--- BrailleDrivers/Baum/braille.c (révision 3923)
+++ BrailleDrivers/Baum/braille.c (copie de travail)
@@ -866,8 +875,13 @@
return 1;
case BAUM_RSP_CellCount: /* newer models */
- cellCount = response.data.values.cellCount;
- return 1;
+ if (response.data.values.cellCount) {
+ cellCount = response.data.values.cellCount;
+ return 1;
+ } else {
+ LogPrint(LOG_WARNING, "Unexpected null cell count");
+ continue;
+ }
case BAUM_RSP_DeviceIdentity:
logBaumDeviceIdentity(&response);
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