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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-01-09 13:10:23 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-01-09 13:16:42 -0500 |
| commit | 2ea7c97bbd3680949a2d89c3c9ab3a2552a25b4b (patch) | |
| tree | 8ef71fd0ed030b1a52b6246aea5dccc5c72c2ce0 /src/Kconfig | |
| parent | c0ea0312e548afe1de8a34a59b179db4ead63f36 (diff) | |
| download | kutter-2ea7c97bbd3680949a2d89c3c9ab3a2552a25b4b.tar.gz kutter-2ea7c97bbd3680949a2d89c3c9ab3a2552a25b4b.tar.xz kutter-2ea7c97bbd3680949a2d89c3c9ab3a2552a25b4b.zip | |
stepper: Support configuring the stepper pulse length from Kconfig
Allow the stepper pulse length to be configured at compile time from
the Kconfig menu system.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/Kconfig')
| -rw-r--r-- | src/Kconfig | 37 |
1 files changed, 30 insertions, 7 deletions
diff --git a/src/Kconfig b/src/Kconfig index e94ff5b2..16ce3531 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -2,6 +2,13 @@ mainmenu "Klipper Firmware Configuration" +config LOW_LEVEL_OPTIONS + bool "Enable extra low-level configuration options" + default n + help + Enable low-level configuration options that (if modified) may + result in a build that does not function correctly. + choice prompt "Micro-controller Architecture" config MACH_AVR @@ -32,6 +39,29 @@ source "src/linux/Kconfig" source "src/simulator/Kconfig" +# Step timing customization +config CUSTOM_STEP_DELAY + bool "Specify a custom step pulse duration" + depends on LOW_LEVEL_OPTIONS +config STEP_DELAY + int + default 2 +config STEP_DELAY + int "Step pulse duration (in microseconds)" + depends on CUSTOM_STEP_DELAY + help + Specify the duration of the stepper step pulse time. This + setting applies to all stepper drivers controlled by the + micro-controller. If this value is set to zero then the code + will "step" and "unstep" in the same C function. + + The default is zero for 8-bit AVR based micro-controllers, as + it takes a little over 2us to step and unstep with this + setting. + + The default for all other micro-controllers is 2us. + + CUSTOMIZING THIS VALUE DOES NOT IMPROVE PERFORMANCE! # The HAVE_GPIO_x options allow boards to disable support for some # commands if the hardware does not support the feature. @@ -54,13 +84,6 @@ config HAVE_GPIO_BITBANGING bool default n -config NO_UNSTEP_DELAY - # Slow micro-controllers do not require a delay before returning a - # stepper step pin to its default level. A board can enable this - # option to optimize the stepper_event() handler in this case. - bool - default n - config INLINE_STEPPER_HACK # Enables gcc to inline stepper_event() into the main timer irq handler bool |