1 files changed, 15 insertions, 0 deletions
diff --git a/peripheral/libupm/src/pulsensor/Callback.h b/peripheral/libupm/src/pulsensor/Callback.h
new file mode 100644
index 0000000..f9c291a
--- /dev/null
+++ b/peripheral/libupm/src/pulsensor/Callback.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#if defined(SWIGJAVA) || defined(JAVACALLBACK)
+class Callback
+{
+  public:
+    virtual ~Callback()
+    {
+    }
+    virtual void run(clbk_data arg)
+    { /* empty, overloaded in Java*/
+    }
+};
+
+#endif