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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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src/stm32/Kconfig
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@@ -13,6 +13,7 @@ config STM32_SELECT
select HAVE_GPIO_BITBANGING if !MACH_STM32F031
select HAVE_STRICT_TIMING
select HAVE_CHIPID
select HAVE_STEPPER_BOTH_EDGE
config BOARD_DIRECTORY
string