From 0f93a00f55c66baf314f47e867f2cb8217fd09a9 Mon Sep 17 00:00:00 2001
From: Keith Bennett <13375512+thisiskeithb@users.noreply.github.com>
Date: Fri, 17 Nov 2023 11:52:21 -0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=A7=20Biqu=20MicroProbe=20option=20for?=
 =?UTF-8?q?=20Hurakan=20(#990)?=
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MicroProbe V1 triggers HIGH. V2 triggers LOW.
---
 config/examples/BIQU/Hurakan/Configuration.h | 6 ++++--
 config/examples/BIQU/Hurakan/README.md       | 2 ++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/config/examples/BIQU/Hurakan/Configuration.h b/config/examples/BIQU/Hurakan/Configuration.h
index 604b226146..7d84660e8f 100644
--- a/config/examples/BIQU/Hurakan/Configuration.h
+++ b/config/examples/BIQU/Hurakan/Configuration.h
@@ -23,6 +23,8 @@
 #error "Don't build with import-2.1.x configurations!"
 #error "Use the 'bugfix...' or 'release...' configurations matching your Marlin version."
 
+//#define BIQU_MICROPROBE_V1 // Uncomment for Biqu MicroProbe V1, otherwise V2 is assumed
+
 /**
  * Configuration.h
  *
@@ -1175,7 +1177,7 @@
 #define X_MAX_ENDSTOP_HIT_STATE HIGH
 #define Y_MIN_ENDSTOP_HIT_STATE HIGH
 #define Y_MAX_ENDSTOP_HIT_STATE HIGH
-#define Z_MIN_ENDSTOP_HIT_STATE LOW
+#define Z_MIN_ENDSTOP_HIT_STATE HIGH
 #define Z_MAX_ENDSTOP_HIT_STATE HIGH
 #define I_MIN_ENDSTOP_HIT_STATE HIGH
 #define I_MAX_ENDSTOP_HIT_STATE HIGH
@@ -1189,7 +1191,7 @@
 #define V_MAX_ENDSTOP_HIT_STATE HIGH
 #define W_MIN_ENDSTOP_HIT_STATE HIGH
 #define W_MAX_ENDSTOP_HIT_STATE HIGH
-#define Z_MIN_PROBE_ENDSTOP_HIT_STATE HIGH
+#define Z_MIN_PROBE_ENDSTOP_HIT_STATE TERN(BIQU_MICROPROBE_V1, HIGH, LOW)
 
 // Enable this feature if all enabled endstop pins are interrupt-capable.
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
diff --git a/config/examples/BIQU/Hurakan/README.md b/config/examples/BIQU/Hurakan/README.md
index 652913c819..2b45c5a797 100644
--- a/config/examples/BIQU/Hurakan/README.md
+++ b/config/examples/BIQU/Hurakan/README.md
@@ -2,6 +2,8 @@
 
 > [!NOTE]
 > Early Hurakan printers have a raised bed power switch, so enable (uncomment) `#define PROBING_MARGIN_BACK` in `Configuration_adv.h` to prevent the hotend from potentially colliding with the switch assembly while probing.
+>
+> Enable (uncomment) `#define BIQU_MICROPROBE_V1` in `Configuration.h` for Biqu MicroProbe V1, otherwise V2 is assumed.
 
 The Biqu Hurakan ships with a BigTreeTech Manta M4P motherboard which includes an integrated BigTreeTech CB1 single board computer running Klipper. See below for instructions on how to update the CB1 to run OctoPrint.