Modify OnTick_t typedef for ESP8266 platform

TimeAlarms.cpp

@@ -242,7 +242,7 @@ void TimeAlarmsClass::serviceAlarms()
           Alarm[servicedAlarmId].updateNextTrigger();
         }
         if (TickHandler != NULL) {
-          (*TickHandler)();     // call the handler
+          TickHandler();     // call the handler
         }
       }
     }

TimeAlarms.h

@@ -52,7 +52,12 @@ typedef AlarmID_t AlarmId;  // Arduino friendly name
 #define dtINVALID_TIME     (time_t)(-1)
 #define AlarmHMS(_hr_, _min_, _sec_) (_hr_ * SECS_PER_HOUR + _min_ * SECS_PER_MIN + _sec_)
 
+#ifdef ARDUINO_ARCH_ESP8266
+#include <functional>
+typedef std::function<void()> OnTick_t;
+#else
 typedef void (*OnTick_t)();  // alarm callback function typedef
+#endif
 
 // class defining an alarm instance, only used by dtAlarmsClass
 class AlarmClass

examples/TimeAlarm_ESP8266/TimeAlarm_ESP8266.ino

@@ -0,0 +1,91 @@
+/*
+ * TimeAlarm_ESP8266.ino
+ *
+ * This example calls two repetitive timers, one every
+ * 5 seconds and one every 22 seconds. A single shot
+ * timer is triggered after 58 seconds too. It finishes
+ * 5 senconds timer
+ *
+ * An alarm is triggered 1 minute after current time.
+ *
+ * At startup the time is syncd to NTP server, so
+ * it requires NTP Client library from 
+ * https://github.com/gmag11/NtpClient
+ *
+ * It uses a class to initalize triggers
+ * to show how to use class methods as callbacks.
+ *
+ */
+
+#define YOUR_WIFI_SSID "Your_SSID"
+#define YOUR_WIFI_SSID "Your_Pw"
+
+#include <TimeLib.h>
+#include <NtpClientLib.h>
+#include <ESP8266WiFi.h>
+#include <TimeAlarms.h>
+
+#include <functional>
+using namespace std;
+using namespace placeholders;
+
+class AlarmManager{
+public:
+	void begin() {
+		while (timeStatus() != timeSet) {
+			// Wait for time sync. Make yourself sure it can connect to WiFi
+			Serial.print(".");
+			delay(1000);
+		}
+		Serial.println();
+
+		//Set alarms
+		Alarm.timerRepeat(0, 0, 22, std::bind(&AlarmManager::timer22,this));
+		alarm5 = Alarm.timerRepeat(0, 0, 5, std::bind(&AlarmManager::timer5, this));
+		Alarm.timerOnce(0, 0, 58, std::bind(&AlarmManager::timerOnce, this));
+		time_t alarm = now() + 60; // Current time + 1 minute
+		Serial.printf("---- Set alarm at %s\r\n", NTP.getTimeDateString(alarm).c_str());
+		Alarm.alarmOnce(hour(alarm), minute(alarm), second(alarm), std::bind(&AlarmManager::alarmOnce, this));
+	}
+
+protected:
+	AlarmId alarm5;
+
+	void timer22() {
+		static int i = 0;
+		Serial.printf("-- %02d. timerRepeat every 22 seconds. It's %s. Uptime: %s\r\n", i, NTP.getTimeDateString().c_str(), NTP.getUptimeString().c_str());
+		i++;
+	}
+
+	void timer5() {
+		static int i = 0;
+		Serial.printf("- %02d. timerRepeat every 5 seconds. It's %s. Uptime: %s\r\n", i, NTP.getTimeDateString().c_str(), NTP.getUptimeString().c_str());
+		i++;
+	}
+
+	void timerOnce() {
+		Serial.printf("--- TimerOnce at 58 seconds. It's %s. Uptime: %s\r\n", NTP.getTimeDateString().c_str(), NTP.getUptimeString().c_str());
+	}
+
+	void alarmOnce() {
+		Serial.printf("---- AlarmOnce. It's %s. Uptime: %s\r\n", NTP.getTimeDateString().c_str(), NTP.getUptimeString().c_str());
+		Alarm.free(alarm5);
+	}
+
+};
+
+AlarmManager manager;
+
+void setup()
+{
+	Serial.begin(115200);
+	WiFi.mode(WIFI_STA);
+	WiFi.begin(YOUR_WIFI_SSID, YOUR_WIFI_PASSWD);
+	NTP.begin("pool.ntp.org", 1, true); //Start NTP Client
+	manager.begin();
+}
+
+void loop()
+{
+	Alarm.delay(0);
+}