Nathan Strong e02e345a28 Make GCA driver compatible with other HID drivers
== DETAILS
Use a little trickery to ensure the GCA driver continues working
with other HID implementation.

I've expanded the joypad implementation to support multi-pad devices.
However, this requires changes to each HID implementation to actually
function.

I've made the necessary changes for WIIU, but I don't have the means
of making the change in the other HID implementations.

So, I've built in a backwards-compatibilty mode for the driver.

The trick is to have an identifier byte at the top of both data structs
that the driver returns. We can then use that byte to determine which
of the structs has been passed to the pad functions and act accordingly.

In the GCA case, for non-wiiu platforms, it will simply expose port 1
of the GCA and the other 3 ports do nothing.
2021-10-05 09:47:03 -07:00
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