From b5b39af5316c92a53bfc2e25390ea179385020c6 Mon Sep 17 00:00:00 2001
From: teemuatlut <teemu.mantykallio@live.fi>
Date: Tue, 20 Mar 2018 22:16:05 +0200
Subject: [PATCH] [2.0.x] TMC: Fix CURRENT_STEP_DOWN (#10170)
---
Marlin/src/feature/tmc_util.cpp | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Marlin/src/feature/tmc_util.cpp b/Marlin/src/feature/tmc_util.cpp
index 8364fa8690..1d7a3d121c 100644
--- a/Marlin/src/feature/tmc_util.cpp
+++ b/Marlin/src/feature/tmc_util.cpp
@@ -128,8 +128,8 @@ bool report_tmc_status = false;
SERIAL_ECHOLNPGM("mA)");
}
#if CURRENT_STEP_DOWN > 0
- // Decrease current if is_otpw is true and driver is enabled and there's been more then 4 warnings
- if (data.is_otpw && !st.isEnabled() && otpw_cnt > 4) {
+ // Decrease current if is_otpw is true and driver is enabled and there's been more than 4 warnings
+ if (data.is_otpw && st.isEnabled() && otpw_cnt > 4) {
st.setCurrent(st.getCurrent() - CURRENT_STEP_DOWN, R_SENSE, HOLD_MULTIPLIER);
#if ENABLED(REPORT_CURRENT_CHANGE)
_tmc_say_axis(axis);
@@ -142,7 +142,7 @@ bool report_tmc_status = false;
otpw_cnt++;
st.flag_otpw = true;
}
- else if (otpw_cnt > 0) otpw_cnt--;
+ else if (otpw_cnt > 0) otpw_cnt = 0;
if (report_tmc_status) {
const uint32_t pwm_scale = get_pwm_scale(st);
--
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