barcode support for other platforms

I am trying to assess whether genes in my samples are over expressed
relative to a null mean.
I use the barcode function in the R package frma  for this purpose.
As far as I understand the current Barcode version support only Affymetrix
and only three platforms in it : GPL570, GPL96 and GPL1261.
I do have other platforms.
Do you happen to have mu null(and tau null) for other platforms?
Do you know how can I do the same calculations for those as well?
Thanks a lot,
Romi

 -- output of sessionInfo(): 

R version 3.0.2 (2013-09-25)
Platform: x86_64-apple-darwin10.8.0 (64-bit)

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base  

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