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Date: Sat, 17 Feb 2007 12:01:40 +0100 From: Jiri Slaby <jirislaby@...il.com> To: Mockern@...dex.ru Cc: linux-kernel@...r.kernel.org Subject: Re: Linux tty driver question Mockern napsal(a): > Hi, > > I'm working on Linux tty driver (based on tiny_tty). > > How can I provide in my driver Linux cat operation (e.g.cat < ttyS3)? call tty_insert_flip_*() from somewhere to put some data into tty recieve buffer, which is pushed into ldisc by tty_flip_buffer_push() and then sent by tty_read function (where ldisc read is called) to userspace for reading process. > What should I implement exactly? open, settermios, write_room (note that this is minimal and will probably oops when poll or write is invoked) + some isr or timer to fill the buffer mentioned above. regards, -- http://www.fi.muni.cz/~xslaby/ Jiri Slaby faculty of informatics, masaryk university, brno, cz e-mail: jirislaby gmail com, gpg pubkey fingerprint: B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E Hnus <hnus@...muni.cz> is an alias for /dev/null - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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