Split out arm_atsam shift register logic #14848
Merged
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Description
More prep work.. not sure where this will eventually end up. Long term maybe a more generic 74HC595 driver? But as config is potentially different per keyboard, and required for it to even boot, its still going to dirty up somewhere.
Includes
spi_master
bodges, as longer term this will be implemented by the riot port.Types of Changes
Checklist