3 Commits

Author SHA1 Message Date
Michael Ossmann
dc67fbd2ee h1r9: fix Opera Cake time mode compatibility
TIMER3 match register 3 was interfering with SCT, fixed by turning off
all ORing of timer outputs with SCT outputs.
2023-01-06 14:33:53 +00:00
Michael Ossmann
616705b7e5 h1r9: don't write to outputs in TIMER3 ext. match register
Writing to the output bits in the TIMER3 external match register
resulted in intermittent failures that varied in likelihood from board
to board and from commit to commit for no apparent reason.
2023-01-06 14:33:53 +00:00
Michael Ossmann
8aa79e9fe5 h1r9: use timer to detect external clock frequency 2023-01-06 12:45:46 +00:00