Updated Blinker Class to allow for NULL Blinkable Device

If NULL, all functions are ignored and getPin() returns -1

src/HomeSpan.cpp

@@ -57,6 +57,8 @@ void Span::begin(Category catID, const char *displayName, const char *hostNameBa
   this->modelName=modelName;
   sprintf(this->category,"%d",(int)catID);
 
+  statusLED=new Blinker(statusDevice,autoOffLED);
+
   esp_task_wdt_delete(xTaskGetIdleTaskHandleForCPU(0));       // required to avoid watchdog timeout messages from ESP32-C3
 
   if(requestedMaxCon<maxConnections)                          // if specific request for max connections is less than computed max connections

src/HomeSpan.h

@@ -204,7 +204,8 @@ class Span{
   void (*apFunction)()=NULL;                                  // optional function to invoke when starting Access Point
   
   WiFiServer *hapServer;                            // pointer to the HAP Server connection
-  Blinker *statusLED = NULL;                        // indicates HomeSpan status
+  Blinker *statusLED;                               // indicates HomeSpan status
+  Blinkable *statusDevice = NULL;                   // the device used for the Blinker
   PushButton *controlButton = NULL;                 // controls HomeSpan configuration and resets
   Network network;                                  // configures WiFi and Setup Code via either serial monitor or temporary Access Point
   SpanWebLog webLog;                                // optional web status/log
@@ -255,11 +256,9 @@ class Span{
   boolean updateDatabase(boolean updateMDNS=true);   // updates HAP Configuration Number and Loop vector; if updateMDNS=true and config number has changed, re-broadcasts MDNS 'c#' record; returns true if config number changed
   boolean deleteAccessory(uint32_t aid);             // deletes Accessory with matching aid; returns true if found, else returns false 
 
-  void setControlPin(uint8_t pin){controlButton=new PushButton(pin);}                  // sets Control Pin
+  void setControlPin(uint8_t pin){controlButton=new PushButton(pin);}     // sets Control Pin   
-//  void setStatusPin(uint8_t pin){statusLED=new Blinker(new LED(pin),autoOffLED);}      // sets Status Pin
+  void setStatusPin(uint8_t pin){statusDevice=new LED(pin);}              // sets Status Device to a simple LED on specified pin
-  void setStatusPin(uint8_t pin){statusLED=new Blinker(new Pixel(8),autoOffLED);}      // sets Status Pin
+  void setStatusDevice(Blinkable *dev){statusDevice=dev;}                 // sets Status Device to generic Blinkable object 
-//  void setStatusPin(Blinkable *led){statusLED=new Blinker(led,autoOffLED);}            // sets Status Blinkable LED
-  
   void setStatusAutoOff(uint16_t duration){autoOffLED=duration;}          // sets Status LED auto off (seconds)  
   int getStatusPin(){return(statusLED?statusLED->getPin():-1);}           // get Status Pin (returns -1 if undefined)
   int getControlPin(){return(controlButton?controlButton->getPin():-1);}  // get Control Pin (returns -1 if undefined)

src/extras/Blinker.cpp

@@ -65,6 +65,9 @@ void Blinker::start(int period, float dutyCycle){
 
 void Blinker::start(int period, float dutyCycle, int nBlinks, int delayTime){
 
+  if(!led)
+    return;
+    
   onTime=dutyCycle*period;
   offTime=period-onTime;
   this->delayTime=delayTime+offTime;
@@ -82,6 +85,9 @@ void Blinker::start(int period, float dutyCycle, int nBlinks, int delayTime){
 
 void Blinker::stop(){
 
+  if(!led)
+    return;  
+  
   if(blinkHandle!=NULL){
     Serial.printf("Deleting Blink Task\n");
     vTaskDelete(blinkHandle);
@@ -95,6 +101,9 @@ void Blinker::stop(){
 
 void Blinker::on(){
 
+  if(!led)
+    return;
+
   stop();
   led->on();
   
@@ -106,6 +115,9 @@ void Blinker::on(){
 
 void Blinker::off(){
 
+  if(!led)
+    return;
+
   stop();
   led->off();
 }
@@ -114,6 +126,9 @@ void Blinker::off(){
 
 void Blinker::check(){
 
+  if(!led)
+    return;
+
   if(pauseDuration==0 || isPaused || (millis()-pauseTime)<pauseDuration)
     return;
 
@@ -124,5 +139,9 @@ void Blinker::check(){
 //////////////////////////////////////
 
 int Blinker::getPin(){
+  
+  if(!led)
+    return(-1);
+    
   return(led->getPin());
 }

src/extras/extras.ino

@@ -3,9 +3,10 @@
 
 #include "Blinker.h"
 #include "Pixel.h"
+#include <Wire.h>
 
-//Blinker p(new LED(26));
+Blinker p(new Pixel(2),10);
-Blinker p(new Pixel(8));
+//Blinker p(NULL,10);
 
 void setup() {     
  
@@ -14,7 +15,7 @@ void setup() {
   delay(1000);                    // wait for interface to flush
 
   Serial.println("\n\nHomeSpan Blinker Example\n");
-//  Serial.printf("Pins = %d %d\n",b.getPin(),p.getPin());
+   Serial.printf("Pins = %d\n",p.getPin());
 
   p.on();
   delay(2000);
@@ -24,8 +25,6 @@ void setup() {
   delay(5000);
   Serial.printf("New Pattern\n");
   p.start(200,0.2,2,200);
-  delay(3000);
-  p.off();
 }
 
 void loop(){