getter functions for task handle

osal/FreeRTOS/PeriodicTask.h

@@ -69,6 +69,8 @@ public:
 	uint32_t getPeriodMs() const override;
 
 	ReturnValue_t sleepFor(uint32_t ms) override;
+
+	TaskHandle_t getTaskHandle() const;
 protected:
 	bool started;
 	TaskHandle_t handle;