Signed-off-by: 吴文峰 <kevin@lmve.net>

code/firmware-2.7.15.567b8ea/src/concurrency/Periodic.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include "concurrency/OSThread.h"
+
+namespace concurrency
+{
+
+/**
+ * @brief Periodically invoke a callback. This just provides C-style callback conventions
+ *        rather than a virtual function - FIXME, remove?
+ */
+class Periodic : public OSThread
+{
+    int32_t (*callback)();
+
+  public:
+    // callback returns the period for the next callback invocation (or 0 if we should no longer be called)
+    Periodic(const char *name, int32_t (*_callback)()) : OSThread(name), callback(_callback) {}
+
+  protected:
+    int32_t runOnce() override { return callback(); }
+};
+
+} // namespace concurrency