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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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Unused variables, mismatching signed/unsigned and a few other misc
warnings.
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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This should keep the device from failing to boot unless the IMU is
actually broken. Oh, and if self test does fail, this places the
flight computer in 'Invalid' state rather than panic.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This tracks the angle-from-vertical as an additional input to the pyro
channels.
Signed-off-by: Keith Packard <keithp@keithp.com>
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If other drivers use the SPI bus, the MPU6000 gets confused as its
sitting on the bus looking for I2C messages. Just grab the mutex
before the OS is running and hold onto it until the MPU6000 has been initialized.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Without this, we can't talk to the chip very well
Signed-off-by: Keith Packard <keithp@keithp.com>
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Includes adding SPI support to the MPU6000 driver
Signed-off-by: Keith Packard <keithp@keithp.com>
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From Tridge -- MPU6000 rev C4 and C5 are broken, having accelerometer
values in the wrong range. This commit just adds comments which note
this; experimentation will be required to actually sort out what's
going on.
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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Make it easier to tell which component is failing self test
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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Don't try to fly if the board isn't working right.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Yes, this is still an ugly kludge, but it's easy.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Signed-off-by: Keith Packard <keithp@keithp.com>
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Only needed on LSB machines.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This initializes the device appropraitely, and provides a command to
dump the current values in converted form.
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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