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1 files changed, 91 insertions, 0 deletions

diff --git a/Marlin/src/feature/solenoid.cpp b/Marlin/src/feature/solenoid.cpp
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+++ b/Marlin/src/feature/solenoid.cpp
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+/**
+ * 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
+ *
+ * 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/>.
+ *
+ */
+
+#include "../inc/MarlinConfig.h"
+
+#if EITHER(EXT_SOLENOID, MANUAL_SOLENOID_CONTROL)
+
+#include "solenoid.h"
+
+#include "../module/motion.h" // for active_extruder
+
+// PARKING_EXTRUDER options alter the default behavior of solenoids, this ensures compliance of M380-381
+
+#if ENABLED(PARKING_EXTRUDER)
+  #include "../module/tool_change.h"
+#endif
+
+#define HAS_SOLENOID(N) (HAS_SOLENOID_##N && (ENABLED(MANUAL_SOLENOID_CONTROL) || N < EXTRUDERS))
+
+// Used primarily with MANUAL_SOLENOID_CONTROL
+static void set_solenoid(const uint8_t num, const bool active) {
+  const uint8_t value = active ? PE_MAGNET_ON_STATE : !PE_MAGNET_ON_STATE;
+  switch (num) {
+    case 0: OUT_WRITE(SOL0_PIN, value); break;
+    #if HAS_SOLENOID(1)
+      case 1: OUT_WRITE(SOL1_PIN, value); break;
+    #endif
+    #if HAS_SOLENOID(2)
+      case 2: OUT_WRITE(SOL2_PIN, value); break;
+    #endif
+    #if HAS_SOLENOID(3)
+      case 3: OUT_WRITE(SOL3_PIN, value); break;
+    #endif
+    #if HAS_SOLENOID(4)
+      case 4: OUT_WRITE(SOL4_PIN, value); break;
+    #endif
+    #if HAS_SOLENOID(5)
+      case 5: OUT_WRITE(SOL5_PIN, value); break;
+    #endif
+    default: SERIAL_ECHO_MSG(STR_INVALID_SOLENOID); break;
+  }
+
+  #if ENABLED(PARKING_EXTRUDER)
+    if (!active && active_extruder == num) // If active extruder's solenoid is disabled, carriage is considered parked
+      parking_extruder_set_parked(true);
+  #endif
+}
+
+void enable_solenoid(const uint8_t num) { set_solenoid(num, true); }
+void disable_solenoid(const uint8_t num) { set_solenoid(num, false); }
+void enable_solenoid_on_active_extruder() { enable_solenoid(active_extruder); }
+
+void disable_all_solenoids() {
+  disable_solenoid(0);
+  #if HAS_SOLENOID(1)
+    disable_solenoid(1);
+  #endif
+  #if HAS_SOLENOID(2)
+    disable_solenoid(2);
+  #endif
+  #if HAS_SOLENOID(3)
+    disable_solenoid(3);
+  #endif
+  #if HAS_SOLENOID(4)
+    disable_solenoid(4);
+  #endif
+  #if HAS_SOLENOID(5)
+    disable_solenoid(5);
+  #endif
+}
+
+#endif // EXT_SOLENOID || MANUAL_SOLENOID_CONTROL