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libraries/TaskScheduler-master/examples/Scheduler_example09_TimeCritical/Scheduler_example09_TimeCritical.ino

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+/** 
+ *  TaskScheduler Test
+ *  Illustration of use of Time Critical Information
+ *
+ *  Task1 runs every 1 second indefinitely
+ *  On each run it reports how delayed the invokation of the callback method was,
+ *  and what was the scheduling overun.
+ *  Each run task 1 is dealyed randomly for up to 2 seconds, thus simulating scheduling overrun
+ */
+ 
+ #define _TASK_TIMECRITICAL
+ #define _TASK_SLEEP_ON_IDLE_RUN
+#include <TaskScheduler.h>
+
+// Callback methods prototypes
+void t1Callback();
+
+
+//Tasks
+Task t1(1000, -1, &t1Callback);
+
+Scheduler runner;
+
+
+void t1Callback() {
+    Serial.print(millis());
+    Serial.print(": overrun = ");
+    Serial.print(t1.getOverrun());
+    Serial.print(", start delayed by ");
+    Serial.println(t1.getStartDelay());
+    
+    int i = random(2000); 
+    Serial.print("Delaying for "); Serial.println(i);
+    delay(i);
+}
+
+void setup () {
+  Serial.begin(115200);
+  Serial.println("Scheduler TimeCritical TEST");
+  
+  runner.init();
+  Serial.println("Initialized scheduler");
+  
+  runner.addTask(t1);
+  Serial.println("added t1. Waiting for 5 seconds.");
+  
+  delay(5000);
+  
+  t1.enable();
+
+  Serial.println("Enabled t1");
+}
+
+
+void loop () {
+  runner.execute();
+}