Date: Thu, 23 Jul 1998 00:02:57 +0000 From: Nicolas Souchu <Nicolas.Souchu@prism.uvsq.fr> To: Peter Dufault <dufault@hda.com> Cc: freebsd-hackers@FreeBSD.ORG, freebsd-multimedia@FreeBSD.ORG, mbouget@club-internet.fr Subject: Re: I2C and SMB development status Message-ID: <19980723000257.24868@breizh.prism.uvsq.fr> In-Reply-To: <199807221028.GAA24059@hda.hda.com>; from Peter Dufault on Wed, Jul 22, 1998 at 06:28:20AM -0400 References: <19980719123220.02032@breizh.prism.uvsq.fr> <199807221028.GAA24059@hda.hda.com>
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On Wed, Jul 22, 1998 at 06:28:20AM -0400, Peter Dufault wrote: >> >> iic: master polled I/O allows to access any chip on the i2c bus > >What do you mean here by "master polled I/O"? Master side code, polling the PIN bit. > >> if_ic: point to point IP driver over i2c >> iicbus: i2c bus generic code (exactly like ppbus for parallel port) >> pcf: pcf driver >> bit-bang: bit banging driver not yet ported from Peter Dufault code >> (Peter, would you have time/want to port your big-banging code?) > >My schedule doesn't permit it now. Anyone interested in a non-blocking >bit banging implementation should look in the i2cslave code in >my i2c code. Just now I'm more interested in getting some of your work >for the PCF since I need the interrupt driven version and haven't gotten >around to it yet. But you known the bit-banging code very well... Only slave side is managed with interrupts... master is still polled. I hope the iic code will be in the -current tree soon ;) IP over I2C is pretty fun ;) -- Nicolas.Souchu@prism.uvsq.fr FreeBSD - Turning PCs into workstations - http://www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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