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stepper: Add support for stepping on both edges of a step pulse

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Add an optimized step function for drivers that support stepping on
both rising and falling edges of the step pin.  Enable this
optimization on 32bit ARM micro-controllers.  Automatically detect
this capability in the host code and enable on TMC drivers running in
SPI/UART mode.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2021-10-28 17:10:10 -04:00
parent 4acfd8d7c8
commit 689231df3a
10 changed files with 77 additions and 12 deletions
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3
src/Kconfig
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@@ -108,6 +108,9 @@ config HAVE_STRICT_TIMING
config HAVE_CHIPID
bool
default n
config HAVE_STEPPER_BOTH_EDGE
bool
default n
config INLINE_STEPPER_HACK
# Enables gcc to inline stepper_event() into the main timer irq handler