Browse Source

Prevent current step-down going negative

Addressing #11348
pull/1/head
Scott Lahteine 6 years ago
parent
commit
b779b42ffd
  1. 2
      Marlin/src/feature/tmc_util.cpp

2
Marlin/src/feature/tmc_util.cpp

@ -153,7 +153,7 @@
#if CURRENT_STEP_DOWN > 0 #if CURRENT_STEP_DOWN > 0
// Decrease current if is_otpw is true and driver is enabled and there's been more than 4 warnings // 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() && st.otpw_count > 4) { if (data.is_otpw && st.isEnabled() && st.otpw_count > 4) {
st.rms_current(st.getMilliamps() - (CURRENT_STEP_DOWN)); st.rms_current(MAX(int16_t(st.getMilliamps() - (CURRENT_STEP_DOWN)), 0));
#if ENABLED(REPORT_CURRENT_CHANGE) #if ENABLED(REPORT_CURRENT_CHANGE)
st.printLabel(); st.printLabel();
SERIAL_ECHOLNPAIR(" current decreased to ", st.getMilliamps()); SERIAL_ECHOLNPAIR(" current decreased to ", st.getMilliamps());

Loading…
Cancel
Save