BLTouch 3.1 (#14839)

Marlin/example_configurations/Anet/A2plus/Configuration.h

@@ -760,9 +760,7 @@
  * The BLTouch probe uses a Hall effect sensor and emulates a servo.
  */
 //#define BLTOUCH
-#if ENABLED(BLTOUCH)
-  //#define BLTOUCH_DELAY 375   // (ms) Enable and increase if needed
-#endif
+
 
 /**
  * Enable one or more of the following if probing seems unreliable.

Marlin/example_configurations/Anet/A2plus/Configuration_adv.h

@@ -394,6 +394,65 @@
 // Enable this if X or Y can't home without homing the other axis first.
 //#define CODEPENDENT_XY_HOMING
 
+#if ENABLED(BLTOUCH)
+  /**
+   * Either: Use the defaults (recommended) or: For special purposes, use the following DEFINES
+   * Do not activate settings that the probe might not understand. Clones might misunderstand
+   * advanced commands.
+   *
+   * Note: If the probe is not deploying, check a "Cmd: Reset" and "Cmd: Self-Test" and then
+   *       check the wiring of the BROWN, RED and ORANGE wires.
+   *
+   * Note: If the trigger signal of your probe is not being recognized, it has been very often
+   *       because the BLACK and WHITE wires needed to be swapped. They are not "interchangeable"
+   *       like they would be with a real switch. So please check the wiring first.
+   *
+   * Settings for all BLTouch and clone probes:
+   */
+
+  // Safety: The probe needs time to recognize the command.
+  //         Minimum command delay (ms). Enable and increase if needed.
+  //#define BLTOUCH_DELAY 500
+
+  /**
+   * Settings for BLTOUCH Classic 1.2, 1.3 or BLTouch Smart 1.0, 2.0, 2.2, 3.0, 3.1, and most clones:
+   */
+
+  // Feature: Switch into SW mode after a deploy. It makes the output pulse longer. Can be useful
+  //          in special cases, like noisy or filtered input configurations.
+  //#define BLTOUCH_FORCE_SW_MODE
+
+  /**
+   * Settings for BLTouch Smart 3.0 and 3.1
+   * Summary:
+   *   - Voltage modes: 5V and OD (open drain - "logic voltage free") output modes
+   *   - High-Speed mode
+   *   - Disable LCD voltage options
+   */
+
+  /**
+   * Danger: Don't activate 5V mode unless attached to a 5V-tolerant controller!
+   * V3.0 or 3.1: Set default mode to 5V mode at Marlin startup.
+   * If disabled, OD mode is the hard-coded default on 3.0
+   * On startup, Marlin will compare its eeprom to this vale. If the selected mode
+   * differs, a mode set eeprom write will be completed at initialization.
+   * Use the option below to force an eeprom write to a V3.1 probe regardless.
+   */
+  //#define BLTOUCH_SET_5V_MODE
+
+  /**
+   * Safety: Activate if connecting a probe with an unknown voltage mode.
+   * V3.0: Set a probe into mode selected above at Marlin startup. Required for 5V mode on 3.0
+   * V3.1: Force a probe with unknown mode into selected mode at Marlin startup ( = Probe EEPROM write )
+   * To preserve the life of the probe, use this once then turn it off and re-flash.
+   */
+  //#define BLTOUCH_FORCE_MODE_SET
+
+  // Safety: Enable voltage mode settings in the LCD menu.
+  //#define BLTOUCH_LCD_VOLTAGE_MENU
+
+#endif // BLTOUCH
+
 // @section machine
 
 #define AXIS_RELATIVE_MODES {false, false, false, false}