SPI bus lockout

Posts: 35
Joined: Tue Oct 20, 2015 1:58 pm

SPI bus lockout

Thu May 26, 2016 12:16 pm

I used the /dev/mem to directly write to the SPI port registers for CS1. My program works without
a problem but once run, the vocore no longer can access the memory on CS0. It gives an input/output
error. Any ideas why or how to reset the SPI bus other than rebooting ?

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