From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.gmx.net ([213.165.64.20]) by www.linuxtv.org with smtp (Exim 4.63) (envelope-from ) id 1KA2LJ-0005rg-Qj for linux-dvb@linuxtv.org; Sat, 21 Jun 2008 14:37:23 +0200 From: Dominik Kuhlen To: linux-dvb@linuxtv.org Date: Sat, 21 Jun 2008 14:36:47 +0200 References: <200805122042.43456.ajurik@quick.cz> <200806151147.19451.dkuhlen@gmx.net> <200806151920.30719.ajurik@quick.cz> In-Reply-To: <200806151920.30719.ajurik@quick.cz> MIME-Version: 1.0 Message-Id: <200806211436.47765.dkuhlen@gmx.net> Subject: Re: [linux-dvb] Re : Re : No lock possible at some DVB-S2 channels with TT S2-3200/linux List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0946376791==" Mime-version: 1.0 Sender: linux-dvb-bounces@linuxtv.org Errors-To: linux-dvb-bounces+mchehab=infradead.org@linuxtv.org List-ID: --===============0946376791== Content-Type: multipart/signed; boundary="nextPart1294499.4bcz8Uh8XX"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit --nextPart1294499.4bcz8Uh8XX Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi =2D-----snip---- > > > > Could you please try the attached patch if this fixes the problem with > > nominal frequency/symbolrate settings? > > >=20 > Many thanks, but I don't see any improvement. Minimum time after I've loc= k is=20 > 150s.=20 Could you please check whether the reported frequency is sane: Example: 19.2=C2=B0E 11915MHz H 27500 DVB-S2 Test1: use the nominal frequency: ./simpledvbtune -f 11915 -d 2 dvbfe setparams : delsys=3D4 1315.000MHz / Rate : 27500kSPS Status: 1b: Signal Carrier Sync Lock SNR: 0 44 (0x2c) (4.4dB) BER: 0 0 0 0 (0x0) Signal: 5 170 (0x5aa) 1450 (145.0dBm) =46rontend: if=3D1313.627 MHz Test2: set positive offset (+3MHz): =2E/simpledvbtune -f 11918 -d 2 dvbfe setparams : delsys=3D4 1318.000MHz / Rate : 27500kSPS =46rontend: if=3D1313.660 MHz The frontend does automatically locks on the correct frequency Test3: set negative offset (-4MHz): =2E/simpledvbtune -f 11911 -d 2 dvbfe setparams : delsys=3D4 1311.000MHz / Rate : 27500kSPS =46rontend: if=3D1313.650 MHz =46ind lower limit: =2E/simpledvbtune -f 11896 -d 2 (does not work) =2E/simpledvbtune -f 11897 -d 2 (works 100%) dvbfe setparams : delsys=3D4 1297.000MHz / Rate : 27500kSPS =46rontend: if=3D1313.654 MHz =46ind upper limit: =2E/simpledvbtune -f 11930 -d 2 (does not work) =2E/simpledvbtune -f 11929 -d 2 (works 100%) dvbfe setparams : delsys=3D4 1329.000MHz / Rate : 27500kSPS =46rontend: if=3D1313.645 MHz Which means: - I can specify any frequency from 11896MHz to 11929MHz and get 100% lock = success - and the Frontend (actually the derotator) reports the real frequency (e.= g. for auto correcting the channels list) Cards I have tested so far:=20 =2D pctv452e=20 =2D mantis (Multimedia controller [0480]: Twinhan Technology Co. Ltd Mantis= DTV PCI Bridge Controller [Ver 1.0] [1822:4e35] (rev 01) Subsystem: Twinhan Technology Co. Ltd Unknown device [1822:0= 031]) Unfortunately I'm trapped behind a single-cable installation and have only = access to 19.2=C2=B0E Highband Horizontal Dominik --nextPart1294499.4bcz8Uh8XX Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEABECAAYFAkhc9d8ACgkQ6OXrfqftMKIXswCgu5vV3XLbch91jfKnivSkSDWP PxQAoLvnj4uhufgRLtoj7aZjAlhqdy/X =SBX2 -----END PGP SIGNATURE----- --nextPart1294499.4bcz8Uh8XX-- --===============0946376791== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-dvb mailing list linux-dvb@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb --===============0946376791==--