From 4e3793988ad058bc2c9922bf4ae7c342c82ae3bd Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sat, 19 May 2018 17:17:03 -0500
Subject: [PATCH] Ensure pulse delay in babystepping
Proposed alternative to #10778
---
Marlin/stepper.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/Marlin/stepper.cpp b/Marlin/stepper.cpp
index d2ac4a84fb..33351f744f 100644
--- a/Marlin/stepper.cpp
+++ b/Marlin/stepper.cpp
@@ -2095,9 +2095,9 @@ void Stepper::report_positions() {
#define BABYSTEP_AXIS(AXIS, INVERT, DIR) { \
const uint8_t old_dir = _READ_DIR(AXIS); \
_ENABLE(AXIS); \
- _SAVE_START; \
_APPLY_DIR(AXIS, _INVERT_DIR(AXIS)^DIR^INVERT); \
- _PULSE_WAIT; \
+ DELAY_NS(400); /* DRV8825 */ \
+ _SAVE_START; \
_APPLY_STEP(AXIS)(!_INVERT_STEP_PIN(AXIS), true); \
_PULSE_WAIT; \
_APPLY_STEP(AXIS)(_INVERT_STEP_PIN(AXIS), true); \
@@ -2168,6 +2168,8 @@ void Stepper::report_positions() {
Y_DIR_WRITE(INVERT_Y_DIR ^ z_direction);
Z_DIR_WRITE(INVERT_Z_DIR ^ z_direction);
+ DELAY_NS(400); // DRV8825
+
_SAVE_START;
X_STEP_WRITE(!INVERT_X_STEP_PIN);
--
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