tree 4fba6e4c333706ab11ed4c02f7922e3ace55cd43
parent d16a911a77220d7cd600c749675070d204543b5d
author Nico Huber <nico.h@gmx.de> 1704639514 +0100
committer Nico Huber <nico.h@gmx.de> 1721642927 +0000

bitbang_spi: Implement multi-i/o

Add some optional functions to the bitbang_spi API that will allow
us to transfer multiple bits at once. With these, implement the
spi_send_multicommand() API, completely with all known transfer
modes.

Change-Id: I38346de37809118e13a059e90b9f3fff6456db15
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.sourcearcade.org/c/flashprog/+/82
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>