From b65c500f252eb8c938f509748879dfaeb6cb7864 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gu=C3=B0ni=20M=C3=A1r=20Gilbert?= <gudni.m.g@gmail.com>
Date: Sun, 25 Jun 2023 17:11:37 +0000
Subject: [PATCH] power panic: Add comments about conserving power

---
 Firmware/power_panic.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Firmware/power_panic.cpp b/Firmware/power_panic.cpp
index 6129906fd..1a0552d16 100644
--- a/Firmware/power_panic.cpp
+++ b/Firmware/power_panic.cpp
@@ -38,15 +38,20 @@ void uvlo_() {
     unsigned long time_start = _millis();
     bool sd_print = card.sdprinting;
     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
     backlightMode = BACKLIGHT_MODE_DIM;
     backlightLevel_LOW = 0;
     backlight_update();
 #endif //LCD_BL_PIN
+
+    // Disable X and Y motors to conserve power
     disable_x();
     disable_y();
 
+    // Minimise Z and E motor currents (Hold and Run)
 #ifdef TMC2130
     tmc2130_set_current_h(Z_AXIS, 20);
     tmc2130_set_current_r(Z_AXIS, 20);