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Working towards supporting -Wmissing-prototypes
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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Re-label everything to have the correct names. This doesn't actually
change the code at all, so the eeprom and telemetry is all compatible.
Matching changes on the host side will be required to actually process
the data correctly, of course.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Read data into a temp variable, block interrupts, then update the
published value.
The bug is easy to see with the HMC5883 which has to byte-swap the
output of the chip, and hence can occasionally get caught with the
wrong byte order data.
Signed-off-by: Keith Packard <keithp@keithp.com>
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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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