[PD] compiling hidio for Windows

Christof Ressi info at christofressi.com
Wed Feb 5 01:00:14 CET 2020


Hi,

I usually run Pd in a debugger like this:

gdb --args pd <flags/args>

 > run

Wait for the segfault. The following will print a stack trace, showing 
you the function where the segfault occurs:

 > bt

(you might need to hit enter to show additional lines of the stacktrace)

 From there you can either set breakpoints 
(https://ftp.gnu.org/old-gnu/Manuals/gdb/html_node/gdb_28.html) or use 
good ol' printf debugging :-) IDEs like Qt Creator have an integrated 
graphical frontend for GDB, which makes debugging a more pleasant 
experience.

If you have time, please start investigating! I can have a look (and fix 
the build system) later this month.

Christof

On 05.02.2020 00:46, Fede Camara Halac wrote:
> As I said before, I could make a binary with Christof's steps, but I dont know how to debug an external on windows. If you can give me some basic guidelines I can continue with that.
>
> In the meantime, we got joyosc working on Windows so that's looking good!
>
> Best,
>
> f
>
>
> fdch.github.io
>
>> On Feb 4, 2020, at 6:06 PM, Christof Ressi <info at christofressi.com> wrote:
>>
>> ´╗┐You just have to replace it with #include <hidsdi.h>. I also compiled it with Msys2.
>>
>> Christof
>>
>>> On 04.02.2020 23:13, Martin Peach wrote:
>>>> On Sun, Feb 2, 2020 at 1:46 PM ffdd cchh <camarafede at gmail.com> wrote:
>>>> Ok, I did Christof's step c) and copied those dummy functions (and basically commented out anything but a debug_post() inside "hidio_devices()" and "hidio_elements()", and indeed got a binary. But, it's no use.
>>>>
>>>> I try to get some data on why it crashes but it just says 'segmentation fault':
>>>>
>>>> ```
>>>> camarahalac.1 at ACD-NC054624 MINGW64 ~/Desktop
>>>> $ /c/Users/camarahalac.1/Downloads/pd-0.50-2/bin/pd.exe -d 4 -stderr -open /c/Users/camarahalac.1/Downloads/pd-0.50-2/extra/hidio/hidio-help.pd
>>>> Segmentation fault
>>>> ```
>>>>
>>> I tried this using Msys64 but get
>>> hidio_windows.c:37:10: fatal error: ddk/hidsdi.h: No such file or directory
>>>     37 | #include <ddk/hidsdi.h>
>>> I can't find any package for mingw64 that has this file. There is a
>>> hidapi, which uses hidapi.h..
>>> https://github.com/libusb/hidapi
>>> It uses functions like
>>> hid_get_manufacturer_string
>>> instead of
>>> HidD_GetManufacturerString
>>> so it could probably be used fir the windows build.
>>>
>>>
>>> Martin
>>>
>>>
>>>
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