[ECOS] 2 uart driver

Chi Lam chiklam123@yahoo.com
Mon Mar 28 02:28:00 GMT 2005


> Hi,
> 
> I am implementing a 2nd uart driver in eCos on the
> Broadcom BMC91112 mips chip. The first uart driver
> is
> working fine which is provided by Broadcom. I have
> the
> following questions on the 2nd uart driver:
> 
> 1. I plan to use a different uart base address and a
> different interrupt number for the second uart. Can
> I
> share the same ISR routine for both uarts?
> 
> 2. In which situation should I use polling and
> interrupt method? I plan to use the interrupt
> method.
> 
> 3. Where can I get sample implementation for 2 uart
> driver?
> 
> Thanks.
> 
> Chi Lam



		
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