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Re: HELP : SUPPORT FOR A91SAM7X256
- From: Peter Korsgaard <peter dot korsgaard at barco dot com>
- To: ecos-patches at ecos dot sourceware dot org
- Date: Mon, 08 Sep 2008 08:33:07 +0200
- Subject: Re: HELP : SUPPORT FOR A91SAM7X256
- References: <1219660260.3256.38.camel@localhost.localdomain> <20080825122229.GO20652@lunn.ch> <1219902376.2787.12.camel@localhost.localdomain> <20080828054155.GG25863@lunn.ch> <e37cb5250808272335i7559c0c7id38e19dcc5e25a11@mail.gmail.com>
>>>>> "Tom" == Tom Deconinck <t.deconinck@gmail.com> writes:
Hi Tom,
Tom> The i2c peripheral is not supported, I wrote a driver for it a couple
Tom> of months ago, but I changed jobs since and I don't think my previous
Tom> employer will be pushing it upstream any time soon.
You never know ;)
Tom> Be aware that the hardware implementation of i2c (or TWI interface) is
Tom> kinda tricky (in Tx mode, you need to be able to get data to it fast
Tom> enough!)
Yeah, the I2C core is pretty broken. That's also why they are removing
the Linux driver and telling people to use the bitbang driver instead:
http://thread.gmane.org/gmane.linux.drivers.i2c/2234
--
Bye, Peter Korsgaard