> >> + reg = STB0899_READ_S2REG( STB0899_S2DEMOD, DMD_CNTRL2 ); > >> + STB0899_SETFIELD_VAL( SPECTRUM_INVERT, reg, 1 ); > >> + stb0899_write_s2reg( state, STB0899_S2DEMOD, STB0899_BASE_DMD_CNTRL2, > >> STB0899_OFF0_DMD_CNTRL2, reg ); > >> > >> > >> > >> Why do you forcefully invert the I/Q inputs ? Different hardware have > >> different configurations. > > > > yes, there are different hardware configurations, so with this patch > > the algo find automatically the good configuration. > > This is an initialiation, I begin with a I/Q configuration, if failure > > the configuration is inverted. > > > Q) Does it work for you, if you started with SWAP_OFF, rather than SWAP_ON, > retaining your logic. Or do you see any other issues/degradation when you > change > the initial INVERSION state ? > > Currently there will be a case of inversion in your logic, but for the > hardware that we > have and given the networks, the chances of finding an inversion is much > less. Can > you please check whether INVERSION_OFF in the initial case does work better > still, if > not worser ? >
Hi, I do the test : trying 100 zap ( 47 on dvb-s, 53 on dvb-s2 ) with zsap2 on the card KNC1 if I start with SWAP_OFF: I obtain 97 lock successfully if I start with SWAP_ON: I obtain 99 lock successfully the failures are not on the same transponder. So, I think the initial state doesn't have influence on the result. Regards, JLac _______________________________________________ linux-dvb mailing list linux-dvb@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
