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On regular 32bit machines there is no need to implement explicit
signed conversion on 16bit integers.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Commit f28eb902 reworked the switch to fix int16 encoding. However,
at least one version of avr gcc doesn't like that switch layout (it
uses a jump table). Reorg the switch to avoid that issue.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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The code wasn't properly sign-extending 16bit integers which caused
int16_t reports in output() to appear as uint16_t.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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As long as the code is careful when writing the in_sendf variable it
should be safe to update it without having to disable irqs.
Also, make sure in_sendf is cleared on shutdown.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Allow sendf() to be called from irq and timer context - check for the
case where sendf() is called while already in sendf() and simply
discard those messages. This makes it safe to use output() debugging
calls even in irq and timer context.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Instead of creating a misc.h file in each board directory, create a
generic board directory and declare misc.h there.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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