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Rename the file to make it clear that the code is helper functions for
boards with irq based timers.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Rename sched_timer_kick() to sched_timer_dispatch() and move its loop
into its callers in the board code. This eliminates the need to
export timer_try_set_next() from the board code.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Reset the timer repeat checks on shutdown, otherwise it is possible to
get into an infinite shutdown loop.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Explicilty load the timer waketime variable into local variables in
sched_timer_kick(). Change the optimization level from Os to O2.
This helps gcc to avoid unnecessary reloads from memory in the common
stepper_event() case.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Move sched_is_before() from sched.c to timer_is_before() in the board
specific timer code. This allows the board code to provide its own
definition.
Also, remove the sched_from_us() and sched_read_time() wrapper
functions and change the callers to directly invoke timer_from_us() /
timer_read_time().
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Most of sam3x8e/timer.c is going to be platform agnostic for any board
with standard irq handling. Move the generic code into a new file
generic/timer.c.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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