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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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Unused variables, functions and labels, missing enums in switch.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Adapt to changes in OS interfaces
Signed-off-by: Keith Packard <keithp@keithp.com>
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Instead of trying to get things into the ring from a variety of
functions, go back to the simpler method of storing them in globals
and having the ADC code just pluck out the most recent values.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This has each sensor mark a bit in the current data record which is
then sent for processing when all of the data are present.
Signed-off-by: Keith Packard <keithp@keithp.com>
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When it fails to signal conversion complete to the CPU, keep track of
that and report it with the rest of the current data.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Make stm port parameters always be pointers; this avoids the confusion
where some macros took '&port' and others took a bare 'port', and also
unifies code to run on other processors in a consistent fashion.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Creates a task to poll the mag sensor and place the data into the
sensor data ring.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Not pushing data into the ring yet, but the chip appears to work now.
Signed-off-by: Keith Packard <keithp@keithp.com>
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No joy yet
Signed-off-by: Keith Packard <keithp@keithp.com>
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Start now driven by interrupts
Send now done with DMA and interrupts
Signed-off-by: Keith Packard <keithp@keithp.com>
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No real drivers here yet, just some testing stubs
Signed-off-by: Keith Packard <keithp@keithp.com>
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