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Signed-off-by: Keith Packard <keithp@keithp.com>
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Having arbitrary alarms firing in the middle of complicated device
logic makes no sense at all. Therefore only correct use of ao_alarm
and ao_clear_alarm was around a specific ao_sleep call, with correct
recovery in case the alarm fires.
This patch replaces all uses of ao_alarm/ao_sleep/ao_clear_alarm with
ao_sleep_for, a new function which takes the alarm timeout directly.
A few cases which weren't simply calling ao_sleep have been reworked
to pass the timeout value down to the place where sleep *is* being
called, and having that code deal with the return correctly.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Provide API to clear out any button events that happen during startup,
and then discard button events 'too close' together.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Lots of fun stuff here -- multiple panes of information.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This matches what the docs suggest
Signed-off-by: Keith Packard <keithp@keithp.com>
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Hook up the teleterra buttons and have them beep
Signed-off-by: Keith Packard <keithp@keithp.com>
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