On Wed, Jun 19, 2019 at 03:02:33PM +0200, k...@aspodata.se wrote:
>  Hello urjtag,
> I have a paralell port adapter as in the attached schematic,
> and I would like to make it work with urjtag.
> 
> It seems that the parport code is in various c files in
>  urjtag-git/urjtag/src/tap/cable
> one per adapter:
>  arcom.c
>  byteblaster.c
>  dlc5.c
>  ea253.c
>  ei012.c
>  keithkoep.c
>  lattice.c
>  minimal.c
>  mpcbdm.c
>  triton.c
>  wiggler.c
>  wiggler2.c
> of theese only the last four have support srst (I guess) and
> wiggler.c differ much from the others.
> 
> arcom.c ea253.c ei012.c lattice.c are very similar to each other
> so thoose four could probably be merged in a generic file with
> a data structure to make up for the differences, one could possible
> copy parts of the openocd parport driver, which has such a structure
> for all the parport adapters.
> 
> Which .c file do you recommend as a starting point to code for
> my adapter ?
> 




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