[linux-dvb] Re: Twinhan DST VP-1020, progress

[Jamie Honan <jhonan@optusnet.com.au>]

Progess has slowed down a bit.

I happen to have a 2.4.7-10 machine which the Twinhan driver
wants, and can run their app. Unfortunately I can't lock the signal.

Can anyone confirm that the cidst from twinhan software actually works for them?

The I2C comms is just too unreliable. I can't workout where the problem
might be. Too slow? some bit timing problem? One way around it
is to implement the i2c transfer the same as saa7146_i2c.c does, rather
than bit-banging using algo-bit.

The fusion has quite good i2c xfer so this is worthwhile anyway.

For audio dma, this card is using 8 bit parallel 'async data
parallel port'. I'm not sure why the FDSR errors have to be masked out
on sync instructions. Also I get lots of FBUS and other errors ...
Maybe they're a feature of this type of transfer.

Anyway, there's newer code up on
http://members/optushome.com.au/jhonan/dst
together with more uptodate information. Of course it doesn't work
and won't for a while yet.

This card is annoying. I can't see a way to get BER, SNR etc, only
lock/no lock. Does the windows version provide this info?

Jamie


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