Configurable PSU power-on delay (#16050)

Marlin/src/Marlin.cpp

@@ -110,7 +110,7 @@
   #include "feature/I2CPositionEncoder.h"
 #endif
 
-#if HAS_TRINAMIC && DISABLED(PS_DEFAULT_OFF)
+#if HAS_TRINAMIC && DISABLED(PSU_DEFAULT_OFF)
   #include "feature/tmc_util.h"
 #endif
 
@@ -234,7 +234,7 @@ void setup_powerhold() {
     OUT_WRITE(SUICIDE_PIN, !SUICIDE_PIN_INVERTING);
   #endif
   #if ENABLED(PSU_CONTROL)
-    #if ENABLED(PS_DEFAULT_OFF)
+    #if ENABLED(PSU_DEFAULT_OFF)
       powersupply_on = true;  PSU_OFF();
     #else
       powersupply_on = false; PSU_ON();
@@ -1110,7 +1110,7 @@ void setup() {
     host_action_prompt_end();
   #endif
 
-  #if HAS_TRINAMIC && DISABLED(PS_DEFAULT_OFF)
+  #if HAS_TRINAMIC && DISABLED(PSU_DEFAULT_OFF)
     test_tmc_connection(true, true, true, true);
   #endif
 

Marlin/src/gcode/control/M80_M81.cpp

@@ -72,7 +72,7 @@
     #endif
 
     #if DISABLED(AUTO_POWER_CONTROL)
-      delay(100); // Wait for power to settle
+      delay(PSU_POWERUP_DELAY); // Wait for power to settle
       restore_stepper_drivers();
     #endif
 

Marlin/src/inc/Conditionals_post.h

@@ -330,6 +330,13 @@
     #else
       #define PSU_NAME "ATX"      // ATX style
     #endif
+    #if DISABLED(AUTO_POWER_CONTROL)
+      #ifndef PSU_POWERUP_DELAY
+        #define PSU_POWERUP_DELAY 100
+      #endif
+    #elif defined(PSU_POWERUP_DELAY)
+      #error "PSU_POWERUP_DELAY has no effect if AUTO_POWER_CONTROL is enabled."
+    #endif
   #else
     #define PSU_NAME "Generic"    // No control
   #endif

Marlin/src/inc/SanityCheck.h

@@ -416,6 +416,8 @@
   #error "BABYSTEP_MULTIPLICATOR is now BABYSTEP_MULTIPLICATOR_[XY|Z]. Please update Configuration_adv.h."
 #elif defined(LULZBOT_TOUCH_UI)
   #error "LULZBOT_TOUCH_UI is now TOUCH_UI_FTDI_EVE. Please update your configuration."
+#elif defined(PS_DEFAULT_OFF)
+  #error "PS_DEFAULT_OFF is now PSU_DEFAULT_OFF. Please update your configuration."
 #endif
 
 #define BOARD_MKS_13        -1000