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Re: FE_READ_BER and MER

Ok so currently it's returning the number of error bits counted since the last read up to 1 sec in duration. If you look at the stv090x sdc (I don't know what module your card uses, I know this module that's why I mention it) you'll see it also grabs the total number of bytes looked at in the same t...
by updatelee
Mon Dec 03, 2012 11:20 pm
 
Forum: Linux
Topic: FE_READ_BER and MER
Replies: 15
Views: 3381

Re: FE_READ_BER and MER

Im not going to argue semantics with you. I know what BER means, Ive read a few dvb spec sheets in my day. If you want to see how its calculated why dont you open the src and see. I looked into the stv090x src and its quite obvious how they determine that number. Is it a correct ratio ? no, but all ...
by updatelee
Sat Dec 01, 2012 10:21 pm
 
Forum: Linux
Topic: FE_READ_BER and MER
Replies: 15
Views: 3381

Re: Driver issue using kernel 3.6.2

ok.. think wer're getting somewhere here now. So your not using the TBS tree ? right now if you want to use your card your going to have to. change the folders to suit your system -j4 is for a four core processor, change to suit your system if you want, or leave it out and only use one core to make ...
by updatelee
Tue Nov 13, 2012 1:20 am
 
Forum: Linux
Topic: Driver issue using kernel 3.6.2
Replies: 11
Views: 6078

Re: don't zap dvb-s2 channels tbs6925

his ber looks fine, one report of 00000020 rest of 00000001 is aok
by updatelee
Mon Nov 12, 2012 7:40 am
 
Forum: Linux
Topic: don't zap dvb-s2 channels tbs6925
Replies: 3
Views: 1459

Re: Driver issue using kernel 3.6.2

This card uses precompiled libs like some other TBS cards right? assuming so Youd be better off using an older kernel version, I use 3.2.27 but the tbs tree is based off of v3.0 so you may want to even go older. The precompiled libs are frustrating, any changes to specific structs causes issues like...
by updatelee
Mon Nov 12, 2012 1:18 am
 
Forum: Linux
Topic: Driver issue using kernel 3.6.2
Replies: 11
Views: 6078

Re: Linux driver V121021

Its buggering me up as well, I cant add my spectrum scan code because if I add anything to the dvb_fronend_ops struct it now mismatch's with the precompiled .o and I get seg faults. and because dvb_frontend_ops struct is common to multiple dvb devices I cant have my prof 7500 (with sprectrum scan) a...
by updatelee
Sat Nov 10, 2012 11:52 am
 
Forum: Driver & Software Update
Topic: Linux driver V121021
Replies: 8
Views: 3194

Re: FE_READ_BER and MER

the signal strength to convert to dbuv or dbm just needs a lookup table. Here is an example of how its done in the stv090x driver /* RF level C/N lookup table */ static const struct stv090x_tab stv090x_rf_tab[] = { { -5, 0xcaa1 }, /* -5dBm */ { -10, 0xc229 }, /* -10dBm */ { -15, 0xbb08 }, /* -15dBm ...
by updatelee
Wed Nov 07, 2012 9:36 pm
 
Forum: Linux
Topic: FE_READ_BER and MER
Replies: 15
Views: 3381

Re: Can it do C/Ku, 4:2:0, 4:2:2, etc?

no, its just as stated. a pass thru.

the signal coming into the tuner is the exact same signal leaving through the pass thru.
by updatelee
Fri Nov 02, 2012 8:44 pm
 
Forum: Linux
Topic: Can it do C/Ku, 4:2:0, 4:2:2, etc?
Replies: 6
Views: 1827

Re: How use A/V in on TBS 8920

the specs dont mention anything about an av input. do you see a /dev/video0 ?
by updatelee
Fri Nov 02, 2012 8:40 pm
 
Forum: Linux
Topic: How use A/V in on TBS 8920
Replies: 2
Views: 822

Re: driver patch

you using linux or windows ? if your in linux and if the qboxII uses stv090x or stv0900 which I belive it does then you can use blindscan and spectrum analyzer functionality. Windows is all closed src, you get what your given. Linux you dont like it ? rewrite it yourself. works for me, I like that m...
by updatelee
Mon Oct 29, 2012 12:38 pm
 
Forum: Windows
Topic: driver problem
Replies: 3
Views: 1996
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