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ESPMegaPRO-v3-SDK
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remoteVar Callbacks

This commit is contained in:
Siwat Sirichai 2024-02-12 16:40:46 +07:00
parent becdf35a27
commit 57dfa30cf0
2 changed files with 17 additions and 0 deletions
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11
ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/RemoteVariable.cpp
View File

@ -95,6 +95,9 @@ void RemoteVariable::mqtt_callback(char* topic, char* payload) {
if (strcmp(topic, this->topic) == 0) {
ESP_LOGD("RemoteVariable", "Received MQTT message from %s", topic);
strcpy(this->value, payload);
for (auto& callback : this->valueChangeCallback) {
callback.second(this->value);
}
}
}
@ -130,4 +133,12 @@ void RemoteVariable::setValue(const char* value) {
if(!this->useSetValue)
return;
this->iot->publish(this->setValueTopic, value);
}
uint8_t RemoteVariable::registerCallback(std::function<void(char*)> callback) {
this->valueChangeCallback[this->valueChangeCallbackCount] = callback;
return valueChangeCallbackCount++;
}
void RemoteVariable::unregisterCallback(uint8_t handler) {
this->valueChangeCallback.erase(handler);
}

6
ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/RemoteVariable.hpp
View File

@ -1,5 +1,6 @@
#pragma once
#include <ESPMegaIoT.hpp>
#include <map>
/**
* @brief A class that create a variable that exists on other devices and can be accessed remotely
*
@ -19,6 +20,9 @@ class RemoteVariable
void subscribe();
void requestValue();
char* getValue();
uint8_t registerCallback(std::function<void(char*)>);
void unregisterCallback(uint8_t handler);
private:
void mqtt_callback(char* topic, char* payload);
ESPMegaIoT* iot;
@ -29,4 +33,6 @@ class RemoteVariable
const char* valueRequestTopic;
bool useSetValue;
const char* setValueTopic;
uint8_t valueChangeCallbackCount;
std::map<uint8_t,std::function<void(char*)>> valueChangeCallback;
};