[fprint] AES2501 and async interface to libfprint

[Christian Schaubschlaeger]

Anyone? Can anyone confirm that the async interface works
with the AES2501?

Thanks
Christian


Christian Schaubschlaeger schrieb:
> Hello list,
> 
> I just tried to get my AES2501 working using libfprint's
> async interface (I'm using version 0.1.0-pre1). Unfortunately
> I failed. Here is what I tried:
> 
> fp_init();
> discovered_devs = fp_discover_devs();
> ddev = discovered_devs[0];
> fp_async_dev_open(ddev,dev_open_cb,NULL);	// dev_open_cb initializes static s_fp_device
> fp_async_enroll_start(s_fp_device,enroll_stage_cb,NULL);
> 
> None of these function calls return an error.
> The problem is, that the callback function 'enroll_stage_cb'
> never gets called; it seems, that fp_async_enroll_start does not
> initiate scanning...
> 
> Am I doing something wrong?
> Before I tried to use the synchronous interface to libfprint, which worked
> fine!
> 
> Thanks in advance
> Christian
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