Added new homeSpan.rebootCallback() function

An optional callback used to track the number of times the device reboots, where a reboot is defined as any restart where the uptime was less than a specified number of milliseconds (default=5000)

src/HomeSpan.cpp

@@ -79,6 +79,11 @@ void Span::begin(Category catID, const char *displayName, const char *hostNameBa
   nvs_open("WIFI",NVS_READWRITE,&wifiNVS);      // open WIFI data namespace in NVS
   nvs_open("OTA",NVS_READWRITE,&otaNVS);        // open OTA data namespace in NVS
 
+  nvs_get_u8(wifiNVS,"REBOOTS",&rebootCount);
+  rebootCount++;
+  nvs_set_u8(wifiNVS,"REBOOTS",rebootCount);
+  nvs_commit(wifiNVS);
+  
   size_t len;
 
   if(strlen(network.wifiData.ssid)){                                                // if setWifiCredentials was already called
@@ -304,6 +309,14 @@ void Span::pollTask() {
   }
 
   statusLED->check();
+
+  if(rebootCallback && snapTime>rebootCallbackTime){
+    rebootCallback(rebootCount-1);
+    rebootCount=0;
+    rebootCallback=NULL;
+    nvs_set_u8(wifiNVS,"REBOOTS",rebootCount);
+    nvs_commit(wifiNVS);    
+  }
     
 } // poll
 

src/HomeSpan.h

@@ -213,11 +213,13 @@ class Span{
   const char *sketchVersion="n/a";              // version of the sketch
   nvs_handle charNVS;                           // handle for non-volatile-storage of Characteristics data
   nvs_handle wifiNVS=0;                         // handle for non-volatile-storage of WiFi data
-  nvs_handle otaNVS;                            // handle for non-volatile storaget of OTA data
+  nvs_handle otaNVS;                            // handle for non-volatile storage of OTA data
   char pairingCodeCommand[12]="";               // user-specified Pairing Code - only needed if Pairing Setup Code is specified in sketch using setPairingCode()
   String lastClientIP="0.0.0.0";                // IP address of last client accessing device through encrypted channel
   boolean newCode;                              // flag indicating new application code has been loaded (based on keeping track of app SHA256)
   boolean serialInputDisabled=false;            // flag indiating that serial input is disabled
+  uint8_t rebootCount=0;                        // counts number of times device was rebooted (used in optional Reboot callback)
+  uint32_t rebootCallbackTime;                  // length of time to wait (in milliseconds) before calling optional Reboot callback
   
   int connected=0;                              // WiFi connection status (increments upon each connect and disconnect)
   unsigned long waitTime=60000;                 // time to wait (in milliseconds) between WiFi connection attempts
@@ -238,6 +240,7 @@ class Span{
   boolean autoStartAPEnabled=false;                           // enables auto start-up of Access Point when WiFi Credentials not found
   void (*apFunction)()=NULL;                                  // optional function to invoke when starting Access Point
   void (*statusCallback)(HS_STATUS status)=NULL;              // optional callback when HomeSpan status changes
+  void (*rebootCallback)(uint8_t)=NULL;                       // optional callback when device reboots
   
   WiFiServer *hapServer;                            // pointer to the HAP Server connection
   Blinker *statusLED;                               // indicates HomeSpan status
@@ -355,6 +358,8 @@ class Span{
 
   Span& setVerboseWifiReconnect(bool verbose=true){verboseWifiReconnect=verbose;return(*this);}
 
+  Span& setRebootCallback(void (*f)(uint8_t),uint32_t t=DEFAULT_REBOOT_CALLBACK_TIME){rebootCallback=f;rebootCallbackTime=t;return(*this);}
+
   void autoPoll(uint32_t stackSize=8192, uint32_t priority=1, uint32_t cpu=0){     // start pollTask()
     xTaskCreateUniversal([](void *parms){
       for(;;){

src/Settings.h

@@ -84,7 +84,9 @@
 
 #define     DEFAULT_WEBLOG_URL        "status"            // change with optional fourth argument in homeSpan.enableWebLog()
 
-#define     DEFAULT_LOW_MEM_THRESHOLD 80000               // default low watermark memory threshold that triggers warning
+#define     DEFAULT_LOW_MEM_THRESHOLD     80000           // default low watermark memory threshold that triggers warning
+
+#define     DEFAULT_REBOOT_CALLBACK_TIME  5000            // default time (in milliseconds) to check for reboot callback
 
 /////////////////////////////////////////////////////
 //              OTA PARTITION INFO                 //

src/src.ino

@@ -74,7 +74,7 @@ void setup() {
 //  homeSpan.enableOTA();
 
   homeSpan.setWifiCallback(wifiCB);
-  homeSpan.setWifiCallbackAll(wifiCB_ALL).setVerboseWifiReconnect(true);
+  homeSpan.setWifiCallbackAll(wifiCB_ALL).setVerboseWifiReconnect(true).setRebootCallback(rebootCB,10000);
   
 
   new SpanUserCommand('D', " - disconnect WiFi", [](const char *buf){WiFi.disconnect();});
@@ -88,8 +88,8 @@ void setup() {
 
 //  homeSpan.autoPoll();
 
-  for(int i=0;i<300;i++)
-    WEBLOG("Here is some text of a log file %d",i);
+//  for(int i=0;i<300;i++)
+//    WEBLOG("Here is some text of a log file %d",i);
 
 }
 
@@ -113,3 +113,9 @@ void wifiCB(){
 void wifiCB_ALL(int n){
   Serial.printf("\n\n****** IN WIFI CALLBACK ALL.  Count=%d *******\n\n",n);
 }
+
+//////////////////////////////////////
+
+void rebootCB(uint8_t count){
+  Serial.printf("\n\n******* IN REBOOT CALLBACK: %d\n\n",count);
+}