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power panic: Add comments about conserving power

This commit is contained in:
Guðni Már Gilbert 2023-06-25 17:11:37 +00:00 committed by DRracer
parent a45e432030
commit b65c500f25
1 changed files with 6 additions and 1 deletions
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7
Firmware/power_panic.cpp
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@ -38,15 +38,20 @@ void uvlo_() {
unsigned long time_start = _millis(); unsigned long time_start = _millis();
bool sd_print = card.sdprinting; bool sd_print = card.sdprinting;
const bool pos_invalid = mesh_bed_leveling_flag || homing_flag; const bool pos_invalid = mesh_bed_leveling_flag || homing_flag;
// Conserve power as soon as possible.
// Conserve as much power as soon as possible
// Turn off the LCD backlight
#ifdef LCD_BL_PIN #ifdef LCD_BL_PIN
backlightMode = BACKLIGHT_MODE_DIM; backlightMode = BACKLIGHT_MODE_DIM;
backlightLevel_LOW = 0; backlightLevel_LOW = 0;
backlight_update(); backlight_update();
#endif //LCD_BL_PIN #endif //LCD_BL_PIN
// Disable X and Y motors to conserve power
disable_x(); disable_x();
disable_y(); disable_y();
// Minimise Z and E motor currents (Hold and Run)
#ifdef TMC2130 #ifdef TMC2130
tmc2130_set_current_h(Z_AXIS, 20); tmc2130_set_current_h(Z_AXIS, 20);
tmc2130_set_current_r(Z_AXIS, 20); tmc2130_set_current_r(Z_AXIS, 20);