mirror of
https://github.com/apache/nuttx.git
synced 2026-05-12 01:42:49 +08:00
b005f844f5
This commit adds basic support for electrically isolated 8 bit expander. The expander communicates with the MCU via SPI interface. Both single and multiple pin read are supported. Signed-off-by: Michal Lenc <michallenc@seznam.cz>