From 6e284f882388d314517544b6c2e46f7cff7c99e8 Mon Sep 17 00:00:00 2001
From: BigTreeTech <38851044+bigtreetech@users.noreply.github.com>
Date: Wed, 10 Nov 2021 23:56:10 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20Support=20for=20BIQU=20B1-SE-Plus?=
 =?UTF-8?q?=20strain=20gauge=20probe=20(#23101)?=
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Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
---
 Marlin/Configuration.h                             | 9 +++++++++
 Marlin/src/module/endstops.cpp                     | 3 +++
 Marlin/src/pins/pinsDebug_list.h                   | 9 +++++++++
 Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h         | 4 +++-
 Marlin/src/pins/stm32f1/pins_CREALITY_V452.h       | 5 ++++-
 Marlin/src/pins/stm32f1/pins_CREALITY_V453.h       | 5 ++++-
 Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h | 7 +++++++
 7 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 8ab3929c41..2c53498d02 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -1220,6 +1220,15 @@
   #endif
 #endif
 
+/**
+ * Probe Enable / Disable
+ * The probe only provides a triggered signal when enabled.
+ */
+//#define PROBE_ENABLE_DISABLE
+#if ENABLED(PROBE_ENABLE_DISABLE)
+  //#define PROBE_ENABLE_PIN -1   // Override the default pin here
+#endif
+
 /**
  * Multiple Probing
  *
diff --git a/Marlin/src/module/endstops.cpp b/Marlin/src/module/endstops.cpp
index 7dd5c96143..1eb01b24f8 100644
--- a/Marlin/src/module/endstops.cpp
+++ b/Marlin/src/module/endstops.cpp
@@ -392,6 +392,9 @@ void Endstops::not_homing() {
 #if HAS_BED_PROBE
   void Endstops::enable_z_probe(const bool onoff) {
     z_probe_enabled = onoff;
+    #if PIN_EXISTS(PROBE_ENABLE)
+      WRITE(PROBE_ENABLE_PIN, onoff);
+    #endif
     resync();
   }
 #endif
diff --git a/Marlin/src/pins/pinsDebug_list.h b/Marlin/src/pins/pinsDebug_list.h
index 05756d6004..dc0d5225db 100644
--- a/Marlin/src/pins/pinsDebug_list.h
+++ b/Marlin/src/pins/pinsDebug_list.h
@@ -1439,6 +1439,15 @@
 #if PIN_EXISTS(Z_MIN_PROBE)
   REPORT_NAME_DIGITAL(__LINE__, Z_MIN_PROBE_PIN)
 #endif
+#if PIN_EXISTS(PROBE_ACTIVATION_SWITCH)
+  REPORT_NAME_DIGITAL(__LINE__, PROBE_ACTIVATION_SWITCH_PIN)
+#endif
+#if PIN_EXISTS(PROBE_ENABLE)
+  REPORT_NAME_DIGITAL(__LINE__, PROBE_ENABLE_PIN)
+#endif
+#if PIN_EXISTS(PROBE_TARE)
+  REPORT_NAME_DIGITAL(__LINE__, PROBE_TARE_PIN)
+#endif
 #if PIN_EXISTS(I_ATT)
   REPORT_NAME_DIGITAL(__LINE__, I_ATT_PIN)
 #endif
diff --git a/Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h b/Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h
index 8bae916a46..8368fd03cd 100644
--- a/Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h
+++ b/Marlin/src/pins/stm32f1/pins_BTT_SKR_CR6.h
@@ -71,7 +71,9 @@
 // Probe
 //
 #define PROBE_TARE_PIN                      PA1
-#define PROBE_ACTIVATION_SWITCH_PIN         PC2   // Optoswitch to Enable Z Probe
+#if ENABLED(PROBE_ACTIVATION_SWITCH)
+  #define PROBE_ACTIVATION_SWITCH_PIN       PC2   // Optoswitch to Enable Z Probe
+#endif
 
 //
 // Steppers
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V452.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V452.h
index a2add81c8b..7d3140056a 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V452.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V452.h
@@ -34,6 +34,9 @@
 #define HEATER_0_PIN                        PA1   // HEATER1
 #define HEATER_BED_PIN                      PA2   // HOT BED
 #define FAN_PIN                             PA0   // FAN
-#define PROBE_ACTIVATION_SWITCH_PIN         PC6   // Optoswitch to Enable Z Probe
+
+#if ENABLED(PROBE_ACTIVATION_SWITCH)
+  #define PROBE_ACTIVATION_SWITCH_PIN       PC6   // Optoswitch to Enable Z Probe
+#endif
 
 #include "pins_CREALITY_V45x.h"
diff --git a/Marlin/src/pins/stm32f1/pins_CREALITY_V453.h b/Marlin/src/pins/stm32f1/pins_CREALITY_V453.h
index 7b8c3280d2..b669887d1e 100644
--- a/Marlin/src/pins/stm32f1/pins_CREALITY_V453.h
+++ b/Marlin/src/pins/stm32f1/pins_CREALITY_V453.h
@@ -34,6 +34,9 @@
 #define HEATER_0_PIN                        PB14  // HEATER1
 #define HEATER_BED_PIN                      PB13  // HOT BED
 #define FAN_PIN                             PB15  // FAN
-#define PROBE_ACTIVATION_SWITCH_PIN         PB2   // Optoswitch to Enable Z Probe
+
+#if ENABLED(PROBE_ACTIVATION_SWITCH)
+  #define PROBE_ACTIVATION_SWITCH_PIN       PB2   // Optoswitch to Enable Z Probe
+#endif
 
 #include "pins_CREALITY_V45x.h"
diff --git a/Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h b/Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h
index dbf09dac13..cec37e8097 100644
--- a/Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h
+++ b/Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h
@@ -132,6 +132,13 @@
   #define Z_MIN_PROBE_PIN                   PE4
 #endif
 
+//
+// Probe enable
+//
+#if ENABLED(PROBE_ENABLE_DISABLE)
+  #define PROBE_ENABLE_PIN            SERVO0_PIN
+#endif
+
 //
 // Filament Runout Sensor
 //