Analog joystick jogging control (#14648)

Marlin/src/feature/joystick.h

@@ -0,0 +1,53 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * joystick.h - joystick input / jogging
+ */
+
+#include "../core/macros.h"
+#include "../module/temperature.h"
+
+//#define JOYSTICK_DEBUG
+
+class Joystick {
+  friend class Temperature;
+  private:
+    #if HAS_JOY_ADC_X
+      static temp_info_t x;
+    #endif
+    #if HAS_JOY_ADC_Y
+      static temp_info_t y;
+    #endif
+    #if HAS_JOY_ADC_Z
+      static temp_info_t z;
+    #endif
+  public:
+    #if ENABLED(JOYSTICK_DEBUG)
+      static void report();
+    #endif
+    static void calculate(float norm_jog[XYZ]);
+    static void inject_jog_moves();
+};
+
+extern Joystick joystick;