remote variable set

ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/RemoteVariable.cpp

@@ -8,18 +8,27 @@ RemoteVariable::~RemoteVariable() {
     delete this->topic;
     delete this->value;
 }
-void RemoteVariable::begin(size_t size, char* topic, ESPMegaIoT* iot) {
+void RemoteVariable::begin(size_t size, char* topic, ESPMegaIoT* iot, bool useValueRequest, char* valueRequestTopic) {
     this->iot = iot;
     this->size = size;
     topic = (char*)calloc(size, sizeof(char));
     value = (char*)calloc(size, sizeof(char));
+    this->valueRequestTopic = nullptr;
     auto bindedMqttCallback = std::bind(&RemoteVariable::mqtt_callback, this, std::placeholders::_1, std::placeholders::_2);
     this->iot->registerMqttCallback(bindedMqttCallback);
     auto bindedSubscribe = std::bind(&RemoteVariable::subscribe, this);
     this->iot->registerSubscribeCallback(bindedSubscribe);
 }
+
+void RemoteVariable::begin(size_t size, char* topic, ESPMegaIoT* iot) {
+    this->begin(size, topic, iot, false, nullptr);
+}
+
 void RemoteVariable::subscribe() {
     this->iot->subscribe(this->topic);
+    if(this->useValueRequest) {
+        this->publish_value_request();
+    }
 }
 char* RemoteVariable::getValue() {
     return this->getValue();
@@ -29,4 +38,21 @@ void RemoteVariable::mqtt_callback(char* topic, char* payload) {
     if (strcmp(topic, this->topic) == 0) {
         strcpy(this->value, payload);
     }
+}
+
+void RemoteVariable::requestValue() {
+    if(!this->useValueRequest)
+        return;
+    this->iot->publish(this->valueRequestTopic, "request");
+}
+
+void RemoteVariable::enableSetValue(char* setValueTopic) {
+    this->useSetValue = true;
+    this->setValueTopic = setValueTopic;
+}
+
+void RemoteVariable::setValue(char* value) {
+    if(!this->useSetValue)
+        return;
+    this->iot->publish(this->setValueTopic, value);
 }

ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/RemoteVariable.hpp

@@ -6,12 +6,20 @@ class RemoteVariable
         RemoteVariable();
         ~RemoteVariable();
         void begin(size_t size, char* topic, ESPMegaIoT* iot);
+        void begin(size_t size, char* topic, ESPMegaIoT* iot, bool useValueRequest, char* valueRequestTopic);
+        void setValue(char* value);
+        void enableSetValue(char* setValueTopic);
         void subscribe();
+        void requestValue();
         char* getValue();
-        void mqtt_callback(char* topic, char* payload);
     private:
+        void mqtt_callback(char* topic, char* payload);
         ESPMegaIoT* iot;
         char* topic;
         char* value;
         size_t size;
+        bool useValueRequest;
+        char* valueRequestTopic;
+        bool useSetValue;
+        char* setValueTopic;
 };