Re: Hardware Abstraction
- From: Rene Tschaggelar <none@xxxxxxxx>
- Date: Tue, 28 Nov 2006 00:38:30 +0100
Vladimir Vassilevsky wrote:
Hello All,
I am looking for a concept for abstracting of a hardware. It is desired that the concept should be convenient, clear, consistent, logical and pretty universal.
My goal is developing more or less universal HAL and application framework for automotive, control and instrumental. It should not be tied to a particular OS, CPU or board.
Can you recommend a good reading on that. I am not very interested in the specifics of a particular OS or board, but in the good concepts and ideas.
Such as block and stream devices ?
Those almost infinitely clever abstractions lower
the performance to almost zero when someone then
tries to implement a serial protocol on serial hardware
but with a stream device driver in between.
IMO, a HAL is a bad idea in many cases, especially
on embedded hardware. How to dump performance on
zero advantage.
Rene
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