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fastbit66
I2C port with Amiga OS 4.x
Posted on: 2010/10/19 19:11    #1
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Hello Guys !

Is it possible to acces the i2c and spi/i2c ports on SAM440ep with Amiga OS4.1.1 U2?

Thanx a lot for your time!

Andi
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xeron
Re: I2C port with Amiga OS 4.x
Posted on: 2010/10/19 19:45    #2
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@fastbit66

Even if there isn't a driver for the port, the protocol is very simple. I've written a few drivers for i2c/spi devices with my job before now. Acube should be able to provide documentation.
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ssolie
Re: I2C port with Amiga OS 4.x
Posted on: 2010/10/19 20:01    #3
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@fastbit66
I think you should email ACube and ask them directly.
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Hans
Re: I2C port with Amiga OS 4.x
Posted on: 2010/10/19 22:20    #4
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@fastbit66

We have no I2C driver system at present, so anyone needing to communicate via I2C has to write their own protocol handler and driver. It would definitely be useful if we did, preferably one that looks a lot like the Linux one (it supports both bit-banging interfaces, and proper I2C controllers).

Hans
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Trev
Re: I2C port with Amiga OS 4.x
Posted on: 2010/10/20 0:27    #5
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@Hans

Weren't we supposed to get an I2C interface out of the work being done to support DDC in display drivers? Did that end up being specific to the display subsystem?
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Hans
Re: I2C port with Amiga OS 4.x
Posted on: 2010/10/20 1:09    #6
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@Trev

Quote:

Trev wrote:
@Hans

Weren't we supposed to get an I2C interface out of the work being done to support DDC in display drivers? Did that end up being specific to the display subsystem?


Picasso96 has its own implementation for DDC. I'd still like to see an independent I2C driver system, even if I don't have time to work on it myself.

Hans
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fastbit66
Re: I2C port with Amiga OS 4.x
Posted on: 2010/10/20 15:18    #7
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@ALL

Thanx a lot for your answers and hints.
I try to write to ACube.
Maybe they can provide some information to reach the goal !

Greets
Andi
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