update Code

libraries/TaskScheduler-master/examples/Scheduler_example06_IDLE/Scheduler_example06_IDLE.ino

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+
+/**
+ * This is a test to prove that processor really goes into IDLE sleep.
+ * For this setup:
+ * 
+ *
+ 
+Task c(10, -1, &Count, &ts);
+Task t(10000, 1, NULL, &ts, true, &tOn, &tOff);
+
+The result are:
+
+1): With #define _TASK_SLEEP_ON_IDLE_RUN enabled
+On Arduino Uno:
+  Start
+  c1=10771 - v2.5.0 (v1.9.0: same)
+  c2=1001
+
+On Teensy 3.5 (120MHz ARM):
+  Start
+  c1=21065
+  c2=1001
+
+On esp8266 (80 MHz)
+  Start
+  c1=10492
+  c2=1001
+  
+On STM32F103RCBT6 (Maple Mini @72 MHz)
+  Start
+  c1=21004
+  c2=1001
+
+and
+
+2): With #define _TASK_SLEEP_ON_IDLE_RUN disabled (commented out)
+Arduino Uno:
+  Start
+  c1=722426 - v3.0.2
+  c1=635735 - v2.5.0  
+  c1=551947 - v1.9.0
+  c2=1001
+
+On Teensy 3.5 (120MHz ARM):
+  Start
+  c1=2690322
+  c2=1001
+
+On esp8266 (80 MHz)
+  Start
+  c1=351085 (689833 at 160Mhz)
+  c2=1001
+  
+On STM32F103RCBT6 (Maple Mini @72 MHz)
+  Start
+  c1=4665019
+  c2=1001
+  
+C1 in scenario 2) is much higher than in scenario 1) because processor is put to sleep for 1), but not for 2)
+
+ */
+
+
+/**
+ * Compile and run once with _TASK_SLEEP_ON_IDLE_RUN enabled, then with _TASK_SLEEP_ON_IDLE_RUN disabled.
+ * Compare the results.
+ */
+ 
+//#define _TASK_SLEEP_ON_IDLE_RUN
+#include <TaskScheduler.h>
+
+Scheduler ts;
+
+// Callback methods prototypes
+void Count();
+bool tOn(); void tOff();
+
+// Tasks
+Task c(10, TASK_FOREVER, &Count, &ts);
+Task t(10000, TASK_ONCE, NULL, &ts, true, &tOn, &tOff);
+
+
+volatile unsigned long c1, c2;
+bool tOn() {
+  c1 = 0;
+  c2 = 0;
+  c.enable(); 
+  
+  return true;
+}
+
+void tOff() {
+  c.disable();
+  Serial.print("c1=");Serial.println(c1);
+  Serial.print("c2=");Serial.println(c2);
+}
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(115200);
+  delay(1000);
+  Serial.println("Start");
+
+  ts.startNow();
+  t.delay();
+}
+
+void Count() {
+  c2++;
+}
+
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  ts.execute();
+  c1++;
+}