override setValue functions

protocols/sacn/universe.cpp

@@ -153,6 +153,52 @@ bool Universe::isSyncronized() const
 };
 
 
+void Universe::setValue (const uint16_t address, const uint8_t value)
+{
+  // address valid?
+  if (address < 1 || address > null_start_data.size())
+    return;
+
+  // set active_data_slots to at least this address
+  if (address >= active_data_slots)
+    active_data_slots = address + 1; // + start code
+
+  // data not changed!
+  if (slot(address) == value)
+    return;
+
+  // set the value
+  DMX::Universe::setValue(address, value);
+}
+
+
+void Universe::setValue (const uint16_t start, const uint16_t footprint,
+               const uint8_t* data)
+{
+  // start and footprint valid?
+  if (start < 1 || start + footprint >= null_start_data.size())
+    return;
+
+  // set active_data_slots to at least end of footprint
+  if (start + footprint >= active_data_slots)
+    active_data_slots = start + footprint + 1; // + start code
+
+  // get a copy of the current values
+  null_start_mutex.lock();
+  uint8_t og[footprint];
+  std::copy(std::begin(null_start_data) + start,
+            std::begin(null_start_data) + start + footprint, og);
+  null_start_mutex.unlock();
+
+  // data not changed!
+  if (memcmp(data, og, footprint) == 0)
+    return;
+
+  // set the values
+  DMX::Universe::setValue(start, footprint, data);
+}
+
+
 /**
  * @brief Universe::source
  * @return

protocols/sacn/universe.h

@@ -56,6 +56,11 @@ public:
   virtual bool isSyncronized() const;
   virtual void synchronize(uint8_t = 0);
 
+  // DMX::Universe overrides
+  void setValue (const uint16_t address, const uint8_t value) override;
+  void setValue (const uint16_t start, const uint16_t footprint,
+                 const uint8_t* data) override;
+
   /**
    * @brief destination IP address
    *