refactored threading-related classes, code broken

src/concurrency/NotifiedWorkerThread.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#include "WorkerThread.h"
+
+namespace concurrency {
+
+/**
+ * A worker thread that waits on a freertos notification
+ */
+class NotifiedWorkerThread : public WorkerThread
+{
+  public:
+    /**
+     * Notify this thread so it can run
+     */
+    void notify(uint32_t v = 0, eNotifyAction action = eNoAction);
+
+    /**
+     * Notify from an ISR
+     *
+     * This must be inline or IRAM_ATTR on ESP32
+     */
+    inline void notifyFromISR(BaseType_t *highPriWoken, uint32_t v = 0, eNotifyAction action = eNoAction)
+    {
+        xTaskNotifyFromISR(taskHandle, v, action, highPriWoken);
+    }
+
+  protected:
+    /**
+     * The notification that was most recently used to wake the thread.  Read from loop()
+     */
+    uint32_t notification = 0;
+
+    /**
+     * What notification bits should be cleared just after we read and return them in notification?
+     *
+     * Defaults to clear all of them.
+     */
+    uint32_t clearOnRead = UINT32_MAX;
+
+    /**
+     * A method that should block execution - either waiting ona queue/mutex or a "task notification"
+     */
+    virtual void block();
+};
+
+} // namespace concurrency