Fixed main unit being woke up by SoftwareSerial interrupts

GpsTracker/Config.h

@@ -14,6 +14,8 @@
 #define CONFIG_SEED 13
 #define VERSION "1.00"
 
+#define SIM808_BAUDRATE 4800
+
 #define SLEEP_DEFAULT_TIME_SECONDS	1800
 
 #define GPS_DEFAULT_INTERMEDIATE_TIMEOUT_MS	10000

GpsTracker/Hardware.cpp

@@ -43,7 +43,7 @@ namespace hardware {
 
 		void setup() {
 			VERBOSE("setup");
-			simSerial.begin(4800);
+			simSerial.begin(SIM808_BAUDRATE);
 			device.begin(simSerial);
 		}
 

GpsTracker/Hardware.h

@@ -1,11 +1,13 @@
 #pragma once
 
+#include <SoftwareSerial.h>
 #include <SIM808.h>
 #include <E24.h>
 
 namespace hardware {
 
 	namespace sim808 {
+		extern SoftwareSerial simSerial;
 		extern SIM808 device;
 
 		void powerOn();

GpsTracker/MainUnit.cpp

@@ -7,6 +7,23 @@
 
 namespace mainunit {
 
+	namespace details {
+
+		void prepareSleep() {
+			hardware::sim808::simSerial.end(); //avoid woke up by SoftwareSerial interrupt
+			delay(5); //ensure message have been printed out
+		}
+
+		void wokeUp() {
+			tmElements_t wokeUpTime;
+			rtc::getTime(wokeUpTime);
+			NOTICE_FORMAT("wokeUp", "%d:%d:%d", wokeUpTime.Hour, wokeUpTime.Minute, wokeUpTime.Second);
+
+			hardware::sim808::simSerial.listen();
+		}
+
+	}
+
 	void interrupt() {
 		detachInterrupt(digitalPinToInterrupt(RTC_WAKE));
 	}
@@ -20,17 +37,17 @@ namespace mainunit {
 
 	void sleep(period_t period) {
 		NOTICE_FORMAT("sleep", "Sleeping for period : %d", period);
-		delay(5);
+		details::prepareSleep();
 		LowPower.powerDown(period, ADC_OFF, BOD_OFF);
-		NOTICE_MSG("sleep", "Woke up");
+		details::wokeUp();
 
 	}
 
 	void deepSleep(uint16_t seconds) {
 		NOTICE_FORMAT("deepSleep", "Deep sleeping for %d seconds", seconds);
 		interruptIn(seconds);
-		delay(5);
+		details::prepareSleep();
 		LowPower.powerDown(SLEEP_FOREVER, ADC_OFF, BOD_OFF);
-		NOTICE_MSG("deepSleep", "Woke up");
+		details::wokeUp();
 	}
 }