add olimex support

networkDevices/EthLan8720Device.h

@@ -0,0 +1,69 @@
+#pragma once
+
+#include <WiFiClient.h>
+#include <WiFiClientSecure.h>
+#include <Preferences.h>
+#include "NetworkDevice.h"
+#include "espMqttClient.h"
+
+class EthLan8720Device : public NetworkDevice
+{
+public:
+    EthLan8720Device(const String& hostname, Preferences* _preferences);
+
+    const String deviceName() const override;
+
+    virtual void initialize();
+    virtual void reconfigure();
+    virtual ReconnectStatus reconnect();
+    virtual void printError();
+    bool supportsEncryption() override;
+
+    virtual void update();
+
+    virtual bool isConnected();
+
+    int8_t signalStrength() override;
+
+    void mqttSetClientId(const char *clientId) override;
+
+    void mqttSetCleanSession(bool cleanSession) override;
+
+    uint16_t mqttPublish(const char *topic, uint8_t qos, bool retain, const char *payload) override;
+
+    uint16_t mqttPublish(const char *topic, uint8_t qos, bool retain, const uint8_t *payload, size_t length) override;
+
+    bool mqttConnected() const override;
+
+    void mqttSetServer(const char *host, uint16_t port) override;
+
+    bool mqttConnect() override;
+
+    bool mqttDisonnect(bool force) override;
+
+    void mqttSetCredentials(const char *username, const char *password) override;
+
+    void mqttOnMessage(espMqttClientTypes::OnMessageCallback callback) override;
+
+    void mqttOnConnect(espMqttClientTypes::OnConnectCallback callback) override;
+
+    void mqttOnDisconnect(espMqttClientTypes::OnDisconnectCallback callback) override;
+
+    uint16_t mqttSubscribe(const char *topic, uint8_t qos) override;
+
+private:
+    void onDisconnected();
+
+    espMqttClient* _mqttClient = nullptr;
+    espMqttClientSecure* _mqttClientSecure = nullptr;
+
+    bool _restartOnDisconnect = false;
+    bool _startAp = false;
+    char* _path;
+    bool _useEncryption = false;
+    bool _hardwareInitialized = false;
+
+    char _ca[TLS_CA_MAX_SIZE] = {0};
+    char _cert[TLS_CERT_MAX_SIZE] = {0};
+    char _key[TLS_KEY_MAX_SIZE] = {0};
+};