can't download Oceanic VT3 on linux

[Jef Driesen]

On 2014-03-12 13:14, Hamish Moffatt wrote:
> On 12/03/14 21:02, Jef Driesen wrote:
>> On 2014-03-12 01:20, Hamish Moffatt wrote:
>>> On 12/03/14 10:57, Linus Torvalds wrote:
>>>> Sounds like some other timing difference between Linux and Windows.
>>>> Maybe Jef can make sense to the logs (and do you have logs with 
>>>> timing
>>>> from windows for Jef to compare?)
>>>> 
>>> Here's a log from Windows. There appears to be a whole lot less 
>>> timing
>>> precision so it's a bit hard to compare, other than noting the 
>>> absence
>>> of NAKs from the VT3.
>> 
>> That's due to the limited precision (in the order of several tens of 
>> milliseconds) of the Windows GetTickCount() function. Try with the 
>> attached patch instead, which uses the QueryPerformanceCounter() 
>> function instead. That's the same function I'm using for the 
>> half-duplex timing. There is a pre-build binary here:
>> 
>> http://www.libdivecomputer.org/builds/experimental/windows/universal-timings.exe
> 
> There seems to be a heap of read-write turnaround; there's 14ms+ in
> some of the early commands although it's as low as 1.5ms later. But
> there's 100ms sleeps after each read too - that's not in the regular
> build though?

Ah sorry, my mistake. That 100ms delay was a leftover from one of the 
previous builds. I have removed it now. Just re-download the same file 
again.

Jef