[ECOS] Disable HAL comm channel?

[Gary Thomas]

On Fri, 2002-04-19 at 12:06, Grant Edwards wrote:
> 
> I've got a family of boards running RedBoot.  For manufacturing
> cost reasons, it's very desireable to run the exact same
> bootloader image in all of the models.   Some of the boards
> have 3 diag channels, and some only have 2.
> 
> Is there a way to disable a comm channel so that RedBoot won't
> attempt to use it, or should I just fill in the function table
> for that entry with stubs?

I think you have three choices:
  1) Disable RedBoot's use of any console - fix the console to
     a particular port.  
  2) Hard configure the number of I/O channels to the mininum
     common set, in your case two (hopefully they are proper
     subsets).
  3) Add dummy/stubs entries for the unused channel when needed.

Choice 2 is probably the simplest.  The only shortfall in that 
case is that one of the ports would be unavailable for RedBoot.


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