From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit

---
 Marlin/src/feature/fanmux.cpp | 55 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Marlin/src/feature/fanmux.cpp

(limited to 'Marlin/src/feature/fanmux.cpp')

diff --git a/Marlin/src/feature/fanmux.cpp b/Marlin/src/feature/fanmux.cpp
new file mode 100644
index 0000000..43952ca
--- /dev/null
+++ b/Marlin/src/feature/fanmux.cpp
@@ -0,0 +1,55 @@
+/**
+ * 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/>.
+ *
+ */
+
+/**
+ * feature/pause.cpp - Pause feature support functions
+ * This may be combined with related G-codes if features are consolidated.
+ */
+
+#include "../inc/MarlinConfig.h"
+
+#if HAS_FANMUX
+
+#include "fanmux.h"
+
+void fanmux_switch(const uint8_t e) {
+  WRITE(FANMUX0_PIN, TEST(e, 0) ? HIGH : LOW);
+  #if PIN_EXISTS(FANMUX1)
+    WRITE(FANMUX1_PIN, TEST(e, 1) ? HIGH : LOW);
+    #if PIN_EXISTS(FANMUX2)
+      WRITE(FANMUX2_PIN, TEST(e, 2) ? HIGH : LOW);
+    #endif
+  #endif
+}
+
+void fanmux_init() {
+  SET_OUTPUT(FANMUX0_PIN);
+  #if PIN_EXISTS(FANMUX1)
+    SET_OUTPUT(FANMUX1_PIN);
+    #if PIN_EXISTS(FANMUX2)
+      SET_OUTPUT(FANMUX2_PIN);
+    #endif
+  #endif
+  fanmux_switch(0);
+}
+
+#endif // HAS_FANMUX
-- 
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