Date: Wed, 14 Jan 2009 08:17:50 +0100 From: Stefan Bethke <stb@lassitu.de> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-arch@freebsd.org Subject: Re: smb(4): address format Message-ID: <FC7CC7A3-18D5-4408-8F52-62B9DF189A74@lassitu.de> In-Reply-To: <496C8C6A.2030708@icyb.net.ua> References: <496C8C6A.2030708@icyb.net.ua>
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Am 13.01.2009 um 13:43 schrieb Andriy Gapon: > So, in practice, there two conventions of specifying a slave address: > either as 0XXXXXXXb or XXXXXXX0b. Device datasheets generally specify the hard-wired or configurable =20 address as a bit string, with a slight preference to format that as =20 bbbb bbb. > In wider world 0XXXXXXXb format seems to be preferred, Linux also =20 > sticks > to it. I personally find having the address right-aligned a sensible choice. =20= I think of the address as logical unit, and normally would rather have =20= the SMBus bit banging abstracted away by the driver/hardware. =80 0.02, Stefan --=20 Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811
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