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<div>Hi Murat,</div>
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<div>please have a look at https://github.com/hayguen/librtlsdr</div>
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<div>Important is to test with RPi 2 !</div>
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<div>kind regards,</div>
<div>Hayati</div>
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<div style="margin:0 0 10px 0;"><b>Gesendet:</b> Mittwoch, 08. Juli 2015 um 09:54 Uhr<br/>
<b>Von:</b> "Murat Tologlu" <mtologlu@hotmail.com><br/>
<b>An:</b> "'\"Hayati Aygün\"'" <h_ayguen@web.de>, osmocom-sdr@lists.osmocom.org<br/>
<b>Betreff:</b> RE: Re: NBFM problem with rtl_fm on Raspberry Pi 2</div>
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<p class="MsoNormal"><span style="font-size: 11.0pt;font-family: Calibri , sans-serif;color: rgb(31,73,125);">Hi Hayati,</span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt;font-family: Calibri , sans-serif;color: rgb(31,73,125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt;font-family: Calibri , sans-serif;color: rgb(31,73,125);">Could you please mention which commit are you using from here: <a href="http://cgit.osmocom.org/rtl-sdr/log/" target="_blank">http://cgit.osmocom.org/rtl-sdr/log/</a> </span></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt;font-family: Calibri , sans-serif;color: rgb(31,73,125);">I am doing experiments with rtlsdr codebase on both RPi and X86 Ubuntu 14.04; I can check the NBFM issue you’ve mentioned.</span></p>
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<p class="MsoNormal"><span style="font-size: 11.0pt;font-family: Calibri , sans-serif;color: rgb(31,73,125);">Kind regards,</span></p>
<p class="MsoNormal"><span style="font-size: 11.0pt;font-family: Calibri , sans-serif;color: rgb(31,73,125);">Murat, TA1DB </span></p>
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<p class="MsoNormal"><b><span style="font-size: 10.0pt;font-family: Tahoma , sans-serif;">From:</span></b><span style="font-size: 10.0pt;font-family: Tahoma , sans-serif;"> osmocom-sdr [mailto:osmocom-sdr-bounces@lists.osmocom.org] <b>On Behalf Of </b>"Hayati Aygün"<br/>
<b>Sent:</b> Wednesday, July 08, 2015 10:39 AM<br/>
<b>To:</b> osmocom-sdr@lists.osmocom.org<br/>
<b>Subject:</b> Aw: Re: NBFM problem with rtl_fm on Raspberry Pi 2</span></p>
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<p class="MsoNormal"><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">Hi Marcus,</span></p>
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<p class="MsoNormal"><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">librtlsdr is OK, because rtl_tcp works fine, which transfers full I/Q spectrum of ~ 1.4 MHz to SDR# on Windows/PC.</span></p>
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<p class="MsoNormal"><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">The problem must lie in rtl_fm. By the way, the I/Q demodulation "raw" mode is erroneous, too, when having compiled on Raspberry Pi 2.</span></p>
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<p class="MsoNormal"><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">Something else i could try: use the binary compiled on Raspi 1 B+ on the Raspi 2. I'll check this, this evening.</span></p>
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<p class="MsoNormal"><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">Before going for painful debugging, it would be fine if someone else could reproduce the problem .. or say that it works fine.</span></p>
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<p class="MsoNormal"><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">kind regards,</span></p>
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<p class="MsoNormal"><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">Hayati</span></p>
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<p class="MsoNormal"><b><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">Gesendet:</span></b><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;"> Mittwoch, 08. Juli 2015 um 08:30 Uhr<br/>
<b>Von:</b> "Marcus Müller" <<a href="marcus.mueller@ettus.com" target="_parent">marcus.mueller@ettus.com</a>><br/>
<b>An:</b> <a href="osmocom-sdr@lists.osmocom.org" target="_parent">osmocom-sdr@lists.osmocom.org</a><br/>
<b>Betreff:</b> Re: NBFM problem with rtl_fm on Raspberry Pi 2</span></p>
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<p class="MsoNormal"><span style="font-size: 9.0pt;font-family: Verdana , sans-serif;">Hi Hayati,<br/>
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I'm totally not used to development on Raspbian, but:<br/>
It's really strange that running the same software on the same distro<br/>
with the same RF device would give different results.<br/>
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So, debugging is on :/ I'd say you should use rtl_sdr to get raw IQ<br/>
samples, and then have a look at them on your PC. If they are ok, one<br/>
would have to look a bit deeper into rtl_fm, if not, something goes<br/>
wrong on the librtlsdr side of things.<br/>
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Best regards,<br/>
Marcus</span></p>
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