Add option to SpanPoint to use softAP MAC Address instead of STA

Needed to support ESP-NOW on ESP-8266 chips, which seem to only work if connecting into softAP MAC Address once HomeSpan is connected to WiFi network (prior to connection ESP-8266 will properly connect to normal STA address as well as softAP address).

examples/Other Examples/RemoteSensors/RemoteDevice/RemoteDevice.ino

@@ -61,7 +61,7 @@ void setup() {
 
   // In the line below, replace the MAC Address with that of your MAIN HOMESPAN DEVICE
 
-  mainDevice=new SpanPoint("7C:DF:A1:61:E4:A8",sizeof(float),0);    // create a SpanPoint with send size=sizeof(float) and receive size=0     
+  mainDevice=new SpanPoint("84:CC:A8:11:B4:84",sizeof(float),0);    // create a SpanPoint with send size=sizeof(float) and receive size=0     
 
   homeSpan.setLogLevel(1);
 }

src/HomeSpan.cpp

@@ -2187,7 +2187,7 @@ boolean SpanOTA::auth;
 //        SpanPoint          //
 ///////////////////////////////
 
-SpanPoint::SpanPoint(const char *macAddress, int sendSize, int receiveSize, int queueDepth){
+SpanPoint::SpanPoint(const char *macAddress, int sendSize, int receiveSize, int queueDepth, boolean useAPaddress){
 
   if(sscanf(macAddress,"%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",peerInfo.peer_addr,peerInfo.peer_addr+1,peerInfo.peer_addr+2,peerInfo.peer_addr+3,peerInfo.peer_addr+4,peerInfo.peer_addr+5)!=6){
     Serial.printf("\nFATAL ERROR!  Can't create new SpanPoint(\"%s\") - Invalid MAC Address ***\n",macAddress);
@@ -2204,17 +2204,20 @@ SpanPoint::SpanPoint(const char *macAddress, int sendSize, int receiveSize, int
   this->sendSize=sendSize;
   this->receiveSize=receiveSize;
 
-  Serial.printf("SpanPoint: Created link to device with MAC Address %02X:%02X:%02X:%02X:%02X:%02X.  Send size=%d bytes, Receive size=%d bytes with queue depth=%d.\n",
-    peerInfo.peer_addr[0],peerInfo.peer_addr[1],peerInfo.peer_addr[2],peerInfo.peer_addr[3],peerInfo.peer_addr[4],peerInfo.peer_addr[5],sendSize,receiveSize,queueDepth);
-
   if(receiveSize>0)
     WiFi.mode(WIFI_AP_STA);
   else if(WiFi.getMode()==WIFI_OFF)
     WiFi.mode(WIFI_STA);
+
+  Serial.printf("SpanPoint: Created link from (%s) to (%02X:%02X:%02X:%02X:%02X:%02X).  Send size=%d bytes, Receive size=%d bytes with queue depth=%d.\n",
+    useAPaddress?WiFi.softAPmacAddress().c_str():WiFi.macAddress().c_str(),
+    peerInfo.peer_addr[0],peerInfo.peer_addr[1],peerInfo.peer_addr[2],peerInfo.peer_addr[3],peerInfo.peer_addr[4],peerInfo.peer_addr[5],sendSize,receiveSize,queueDepth);
   
   init();                             // initialize SpanPoint
   peerInfo.channel=0;                 // 0 = matches current WiFi channel
-  peerInfo.ifidx=WIFI_IF_STA;         // must specify interface
+  
+  peerInfo.ifidx=useAPaddress?WIFI_IF_AP:WIFI_IF_STA;         // specify interface as either STA or AP
+  
   peerInfo.encrypt=true;              // turn on encryption for this peer
   memcpy(peerInfo.lmk, lmk, 16);      // set local key
   esp_now_add_peer(&peerInfo);        // add peer to ESP-NOW

src/HomeSpan.h

@@ -876,7 +876,7 @@ class SpanPoint {
   
   public:
 
-  SpanPoint(const char *macAddress, int sendSize, int receiveSize, int queueDepth=1);
+  SpanPoint(const char *macAddress, int sendSize, int receiveSize, int queueDepth=1, boolean useAPaddress=false);
   static void setPassword(const char *pwd){init(pwd);};      
   static void setChannelMask(uint16_t mask);  
   boolean get(void *dataBuf);

src/src.ino

@@ -1,56 +1,81 @@
 
 // This is a placeholder .ino file that allows you to easily edit the contents of this library using the Arduino IDE,
 // as well as compile and test from this point.  This file is ignored when the library is included in other sketches.
-
 #include "HomeSpan.h"
 
-CUSTOM_CHAR_DATA(DataTest, 87654321-079E-48FF-8F27-9C2605A29F52, PW+PR+EV);
+struct RemoteTempSensor : Service::TemperatureSensor {
-Characteristic::DataTest *eveTest;
 
+  SpanCharacteristic *temp;
+  SpanCharacteristic *fault;
+  SpanPoint *remoteTemp;
+  const char *name;
+  float temperature;
+  
+  RemoteTempSensor(const char *name, const char*macAddress, boolean is8266=false) : Service::TemperatureSensor(){
+
+    this->name=name;
+    
+    temp=new Characteristic::CurrentTemperature(-10.0);      // set initial temperature
+    temp->setRange(-50,100);                                 // expand temperature range to allow negative values
+
+    fault=new Characteristic::StatusFault(1);                // set initial state = fault
+
+    remoteTemp=new SpanPoint(macAddress,0,sizeof(float),1,is8266);    // create a SpanPoint with send size=0 and receive size=sizeof(float)
+
+  } // end constructor
+
+  void loop(){
+       
+    if(remoteTemp->get(&temperature)){      // if there is data from the remote sensor
+      temp->setVal(temperature);            // update temperature
+      fault->setVal(0);                     // clear fault
+       
+      LOG1("Sensor %s update: Temperature=%0.2f\n",name,temperature*9/5+32);
+      
+    } else if(remoteTemp->time()>60000 && !fault->getVal()){    // else if it has been a while since last update (60 seconds), and there is no current fault
+      fault->setVal(1);                                         // set fault state
+      LOG1("Sensor %s update: FAULT\n",name);
+    }
+    
+  } // loop
+  
+};
+
+//////////////////////////////////////
 
 void setup() {
- 
+  
   Serial.begin(115200);
 
-  homeSpan.setLogLevel(2);
+  homeSpan.setLogLevel(1);
-  homeSpan.begin(Category::Lighting,"HomeSpan LightBulb");
-  
-  new SpanAccessory();
 
-    new Service::AccessoryInformation();  
+  homeSpan.begin(Category::Bridges,"Sensor Hub");
-      new Characteristic::Identify();
+
+  new SpanAccessory();  
+    new Service::AccessoryInformation();
+      new Characteristic::Identify(); 
       
-    new Service::LightBulb();
+  new SpanAccessory();
-      new Characteristic::On();
+    new Service::AccessoryInformation();
-      new Characteristic::ConfiguredName();
+      new Characteristic::Identify();
-      eveTest=new Characteristic::DataTest();
+      new Characteristic::Name("Indoor Temp");
+    new RemoteTempSensor("Device 1","AC:67:B2:77:42:20");        // pass MAC Address of Remote Device
 
-  uint8_t x[]={0x01,0x26,0xFF,0x01,0x26,0xFF};
+  new SpanAccessory();
-  eveTest->setData(x,6);
+    new Service::AccessoryInformation();
-  uint8_t y[6]={0};
+      new Characteristic::Identify(); 
-  int n=eveTest->getData(y,10);
+      new Characteristic::Name("Outdoor Temp");
-  Serial.printf("%d:",n);
+    new RemoteTempSensor("Device 2","BC:FF:4D:40:8E:71",true);        // pass MAC Address of Remote Device with 8266 flag set (will use AP MAC Address)
-  for(int i=0;i<n;i++){
-    Serial.printf(" %02X",y[i]);
-    y[i]++;
-  }
-  Serial.printf("\n\n");
-  eveTest->setData(y,6);
-  n=eveTest->getData(x,10);
-  Serial.printf("%d:",n);
-  for(int i=0;i<n;i++){
-    Serial.printf(" %02X",x[i]);
-  }
-  Serial.printf("\n\n");
-  
-  
 
-}
+  
+} // end of setup()
 
 //////////////////////////////////////
 
 void loop(){
-
-  homeSpan.poll();         // run HomeSpan!
   
-}
+  homeSpan.poll();
+  
+} // end of loop()
+
+//////////////////////////////////////