On Fri, 20 Sep 2013, Phil Dibowitz wrote:
>>>> Yep, the Windows version of hidapi wouldn't work at all unless I fixed
>>>> this bug by doing:
>>>
>>> This seems to work fine on Linux. I don't understand how it worked without
>>> it.
>>> Weird.
>>
>> It works fine on Linux *except* when the first byte of the message is
>> 0x00, which MH remotes use during a config update, which is how I noticed
>> the bug. It is kind of odd though, that the bug manifests itself
>> differently on Windows vs. Linux.
>
> But it shouldn't only manifest there. The first byte of every packet is being
> dropped... how does that even REMOTELY work?!
>
> *confused*
The first byte is only getting dropped on Linux if it is 0x00.
That's why only packets with data[0] == 0x00 were getting dropped. From
the libusb hidapi implementation:
int report_number = data[0];
int skipped_report_id = 0;
if (report_number == 0x0) {
data++;
length--;
skipped_report_id = 1;
}
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