Originally Posted by kimmoli

Quickly analysed, seems interrupt pin is staying low, or you have another thing running fighting for i2c resources.

Check output of ps ax | grep toh
should be about like this (maybe additional grep..)

Code:

   94 ?        S      0:00 [irq/331-toh-eve]
  742 ?        Ssl    0:02 /usr/sbin/tohd
18839 ?        Ssl    0:00 /usr/bin/harbour-tohkbd2
20784 ?        Sl     0:02 /usr/bin/harbour-tohkbd2-user

instructions part 2: https://pastebin.com/nfmKZdJ7