Date: Sun, 15 Mar 1998 14:10:43 +0100 (MET) From: Luigi Rizzo <luigi@labinfo.iet.unipi.it> To: iang@digs.iafrica.com (Ian Freislich) Cc: Joachim.Wunder@lrz-muenchen.de, rhh@ct.picker.com, multimedia@FreeBSD.ORG Subject: Re: Status on detect fix for Hauppauge FI1236 MK2 Tuner Cards Message-ID: <199803151310.OAA18225@labinfo.iet.unipi.it> In-Reply-To: <E0yEE9R-0000Y8-00@brane.digs.iafrica.com> from "Ian Freislich" at Mar 15, 98 04:12:14 pm
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> Luigi Rizzo... > > there is a small program at http://www.iet.unipi.it/~luigi/txt.c > > which i use to control various features of my card, and uses the > > I2C commands to fetch Teletext pages from the SAA5246. The command > > are very simple. > > That ioctl won't work (I don't think) because it only supports the > following format: yes... i did not wrote the i2c support routines in the brooktree, just hacked up the ioctl to use them. I am not sure if the message format comes from some intrinsic limitation of the bt848, you should check the documentation. > If you can write something to get the data onto the bus, I should > be able to get it to initialise the chip correctly. I'd propose > something like this: > > ioctl (int, BT848_I2CWR6, u_long *) this would lead to an infinite proliferation of ioctls... buch better to define a suitably sized struct, e.g. struct i2cio { u_char len ; u_char sa ; u_char data[MAX_LEN]; } to be passed to modified I2CWR/I2CRD routines. cheers luigi -----------------------------+-------------------------------------- Luigi Rizzo | Dip. di Ingegneria dell'Informazione email: luigi@iet.unipi.it | Universita' di Pisa tel: +39-50-568533 | via Diotisalvi 2, 56126 PISA (Italy) fax: +39-50-568522 | http://www.iet.unipi.it/~luigi/ _____________________________|______________________________________ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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