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Re: Software I2C

From: "Eric de Jong" <list_ericdejong_10 at gmx dot net>
To: <ecos-discuss at sources dot redhat dot com>
Date: Tue, 8 Jul 2003 08:49:53 +0200
Subject: Re: [ECOS] Software I2C
References: <006401c34464$2a8d0850$0205a8c0@slawek> <20030707101230.GA1730@biferten.ma.tech.ascom.ch> <00e901c3447c$d1eb5440$0205a8c0@slawek> <20030707115329.GB1730@biferten.ma.tech.ascom.ch>

>> If you are writing ASM it does not matter much. Also the FIQ has half
>> a bank of registers of its own, ie registers R8_FIQ-R14_FIQ replace
>> registers R8_R14 during a FIQ. So you can destroy the FIQ registers
>> and not have to worry about it.

True, but the FIQ does not have a timer attached to it, a requirement for a I2C
master.

eric


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References:
- Software I2C
  - From: Slawek
- Re: Software I2C
  - From: Andrew Lunn
- Re: Software I2C
  - From: Slawek
- Re: Software I2C
  - From: Andrew Lunn

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