feat(workspace): implement servo node

workspace/lib/xod/common-hardware/servo/arduino.cpp

@@ -0,0 +1,24 @@
+
+{{#global}}
+#include <Servo.h>
+{{/global}}
+
+struct State {
+    Servo servo;
+    int configuredPort = -1;
+};
+
+{{ GENERATED_CODE }}
+
+void evaluate(NodeId nid, State* state) {
+    if (!isInputDirty<Inputs::UPD>(nid))
+        return;
+
+    auto port = (int)getValue<Inputs::PORT>(nid);
+    if (port != state->configuredPort) {
+        state->servo.attach(port);
+        state->configuredPort = port;
+    }
+
+    state->servo.write(getValue<Inputs::VAL>(nid) * 180);
+}

workspace/lib/xod/common-hardware/servo/patch.xodp

@@ -0,0 +1,50 @@
+{
+  "description": "",
+  "links": [],
+  "nodes": [
+    {
+      "boundValues": {},
+      "description": "",
+      "id": "HkaMmuTzZ",
+      "label": "UPD",
+      "position": {
+        "x": 266,
+        "y": 16
+      },
+      "type": "xod/patch-nodes/input-pulse"
+    },
+    {
+      "boundValues": {},
+      "description": "",
+      "id": "HkmSQOafZ",
+      "label": "",
+      "position": {
+        "x": 138,
+        "y": 120
+      },
+      "type": "xod/patch-nodes/not-implemented-in-xod"
+    },
+    {
+      "boundValues": {},
+      "description": "",
+      "id": "S1vGmu6Gb",
+      "label": "PORT",
+      "position": {
+        "x": 10,
+        "y": 16
+      },
+      "type": "xod/patch-nodes/input-number"
+    },
+    {
+      "boundValues": {},
+      "description": "",
+      "id": "r1sfQ_6fb",
+      "label": "VAL",
+      "position": {
+        "x": 138,
+        "y": 16
+      },
+      "type": "xod/patch-nodes/input-number"
+    }
+  ]
+}