1 files changed, 49 insertions, 0 deletions
diff --git a/Marlin/src/HAL/STM32/endstop_interrupts.h b/Marlin/src/HAL/STM32/endstop_interrupts.h
new file mode 100644
index 0000000..fdff8cc
--- /dev/null
+++ b/Marlin/src/HAL/STM32/endstop_interrupts.h
@@ -0,0 +1,49 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ * Copyright (c) 2017 Victor Perez
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../module/endstops.h"
+
+// One ISR for all EXT-Interrupts
+void endstop_ISR() { endstops.update(); }
+
+void setup_endstop_interrupts() {
+  #define _ATTACH(P) attachInterrupt(P, endstop_ISR, CHANGE)
+  TERN_(HAS_X_MAX, _ATTACH(X_MAX_PIN));
+  TERN_(HAS_X_MIN, _ATTACH(X_MIN_PIN));
+  TERN_(HAS_Y_MAX, _ATTACH(Y_MAX_PIN));
+  TERN_(HAS_Y_MIN, _ATTACH(Y_MIN_PIN));
+  TERN_(HAS_Z_MAX, _ATTACH(Z_MAX_PIN));
+  TERN_(HAS_Z_MIN, _ATTACH(Z_MIN_PIN));
+  TERN_(HAS_X2_MAX, _ATTACH(X2_MAX_PIN));
+  TERN_(HAS_X2_MIN, _ATTACH(X2_MIN_PIN));
+  TERN_(HAS_Y2_MAX, _ATTACH(Y2_MAX_PIN));
+  TERN_(HAS_Y2_MIN, _ATTACH(Y2_MIN_PIN));
+  TERN_(HAS_Z2_MAX, _ATTACH(Z2_MAX_PIN));
+  TERN_(HAS_Z2_MIN, _ATTACH(Z2_MIN_PIN));
+  TERN_(HAS_Z3_MAX, _ATTACH(Z3_MAX_PIN));
+  TERN_(HAS_Z3_MIN, _ATTACH(Z3_MIN_PIN));
+  TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN));
+  TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN));
+  TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN));
+}