mirror of
https://github.com/emsesp/EMS-ESP32.git
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217 lines
7.4 KiB
C++
217 lines
7.4 KiB
C++
/*
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* MyEsp.h
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*
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* Paul Derbyshire - December 2018
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*/
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#pragma once
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#ifndef MyEMS_h
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#define MyEMS_h
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#include <ArduinoJson.h>
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#include <ArduinoOTA.h>
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#include <AsyncMqttClient.h> // https://github.com/marvinroger/async-mqtt-client and for ESP32 see https://github.com/marvinroger/async-mqtt-client/issues/127
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#include <DNSServer.h>
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#include <FS.h>
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#include <JustWifi.h> // https://github.com/xoseperez/justwifi
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#include <TelnetSpy.h> // modified from https://github.com/yasheena/telnetspy
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#if defined(ARDUINO_ARCH_ESP32)
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//#include <ESPmDNS.h>
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#include <SPIFFS.h> // added for ESP32
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#define ets_vsnprintf vsnprintf // added for ESP32
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#define OTA_PORT 8266
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#else
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//#include <ESP8266mDNS.h>
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#include <ESPAsyncTCP.h>
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#define OTA_PORT 3232
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#endif
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#define MYEMS_CONFIG_FILE "/config.json"
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#define LOADAVG_INTERVAL 30000 // Interval between calculating load average (in ms)
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// WIFI
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#define WIFI_CONNECT_TIMEOUT 10000 // Connecting timeout for WIFI in ms
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#define WIFI_RECONNECT_INTERVAL 60000 // If could not connect to WIFI, retry after this time in ms
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// MQTT
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#define MQTT_PORT 1883 // MQTT port
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#define MQTT_RECONNECT_DELAY_MIN 5000 // Try to reconnect in 5 seconds upon disconnection
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#define MQTT_RECONNECT_DELAY_STEP 5000 // Increase the reconnect delay in 5 seconds after each failed attempt
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#define MQTT_RECONNECT_DELAY_MAX 120000 // Set reconnect time to 2 minutes at most
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#define MQTT_MAX_SIZE 600 // max length of MQTT message
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#define MQTT_MAX_TOPIC_SIZE 50 // max length of MQTT message
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// Internal MQTT events
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#define MQTT_CONNECT_EVENT 0
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#define MQTT_DISCONNECT_EVENT 1
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#define MQTT_MESSAGE_EVENT 2
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// Telnet
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#define TELNET_SERIAL_BAUD 115200
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#define TELNET_MAX_COMMAND_LENGTH 80 // length of a command
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#define TELNET_EVENT_CONNECT 1
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#define TELNET_EVENT_DISCONNECT 0
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// ANSI Colors
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#define COLOR_RESET "\x1B[0m"
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#define COLOR_BLACK "\x1B[0;30m"
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#define COLOR_RED "\x1B[0;31m"
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#define COLOR_GREEN "\x1B[0;32m"
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#define COLOR_YELLOW "\x1B[0;33m"
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#define COLOR_BLUE "\x1B[0;34m"
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#define COLOR_MAGENTA "\x1B[0;35m"
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#define COLOR_CYAN "\x1B[0;36m"
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#define COLOR_WHITE "\x1B[0;37m"
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#define COLOR_BOLD_ON "\x1B[1m"
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#define COLOR_BOLD_OFF "\x1B[21m"
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// SPIFFS
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#define SPIFFS_MAXSIZE 500 // https://arduinojson.org/v5/assistant/
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typedef struct {
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char key[40];
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char description[100];
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} command_t;
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typedef enum { MYESP_FSACTION_SET, MYESP_FSACTION_LIST, MYESP_FSACTION_SAVE, MYESP_FSACTION_LOAD } MYESP_FSACTION;
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typedef std::function<void(unsigned int, const char *, const char *)> mqtt_callback_f;
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typedef std::function<void()> wifi_callback_f;
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typedef std::function<void(uint8_t, const char *)> telnetcommand_callback_f;
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typedef std::function<void(uint8_t)> telnet_callback_f;
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typedef std::function<bool(MYESP_FSACTION, JsonObject & json)> fs_callback_f;
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typedef std::function<bool(MYESP_FSACTION, uint8_t, const char *, const char *)> fs_settings_callback_f;
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// calculates size of an 2d array at compile time
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template <typename T, size_t N>
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constexpr size_t ArraySize(T (&)[N]) {
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return N;
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}
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// class definition
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class MyESP {
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public:
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MyESP();
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~MyESP();
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// wifi
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void setWIFICallback(void (*callback)());
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void setWIFI(const char * wifi_ssid, const char * wifi_password, wifi_callback_f callback);
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bool isWifiConnected();
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// mqtt
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void mqttSubscribe(const char * topic);
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void mqttUnsubscribe(const char * topic);
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void mqttPublish(const char * topic, const char * payload);
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void setMQTT(const char * mqtt_host,
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const char * mqtt_username,
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const char * mqtt_password,
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const char * mqtt_base,
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unsigned long mqtt_keepalive,
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unsigned char mqtt_qos,
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bool mqtt_retain,
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const char * mqtt_will_topic,
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const char * mqtt_will_online_payload,
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const char * mqtt_will_offline_payload,
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mqtt_callback_f callback);
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// debug & telnet
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void myDebug(const char * format, ...);
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void myDebug_P(PGM_P format_P, ...);
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void setTelnet(command_t * cmds, uint8_t count, telnetcommand_callback_f callback_cmd, telnet_callback_f callback);
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bool getUseSerial();
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// FS
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void setSettings(fs_callback_f callback, fs_settings_callback_f fs_settings_callback);
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bool fs_saveConfig();
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// general
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void end();
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void loop();
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void begin(const char * app_hostname, const char * app_name, const char * app_version);
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void setBoottime(const char * boottime);
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void resetESP();
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uint16_t getSystemLoadAverage();
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private:
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// mqtt
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AsyncMqttClient mqttClient;
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unsigned long _mqtt_reconnect_delay;
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void _mqttOnMessage(char * topic, char * payload, size_t len);
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void _mqttConnect();
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void _mqtt_setup();
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mqtt_callback_f _mqtt_callback;
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void _mqttOnConnect();
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void _sendStart();
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char * _mqttTopic(const char * topic);
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char * _mqtt_host;
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char * _mqtt_username;
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char * _mqtt_password;
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char * _mqtt_base;
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unsigned long _mqtt_keepalive;
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unsigned char _mqtt_qos;
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bool _mqtt_retain;
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char * _mqtt_will_topic;
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char * _mqtt_will_online_payload;
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char * _mqtt_will_offline_payload;
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char * _mqtt_topic;
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// wifi
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DNSServer dnsServer; // For Access Point (AP) support
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void _wifiCallback(justwifi_messages_t code, char * parameter);
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void _wifi_setup();
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wifi_callback_f _wifi_callback;
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char * _wifi_ssid;
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char * _wifi_password;
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bool _wifi_connected;
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// ota
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void _ota_setup();
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// telnet & debug
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TelnetSpy SerialAndTelnet;
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void _telnetConnected();
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void _telnetDisconnected();
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void _telnetHandle();
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void _telnetCommand(char * commandLine);
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char * _telnet_readWord();
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void _telnet_setup();
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char * _command; // the input command from either Serial or Telnet
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command_t * _helpProjectCmds; // Help of commands setted by project
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uint8_t _helpProjectCmds_count; // # available commands
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void _consoleShowHelp();
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telnetcommand_callback_f _telnetcommand_callback; // Callable for projects commands
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telnet_callback_f _telnet_callback; // callback for connect/disconnect
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void _changeSetting(uint8_t wc, const char * setting, const char * value);
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void _changeSetting2(const char * setting, const char * value1, const char * value2);
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// fs
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void _fs_setup();
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bool _fs_loadConfig();
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void _fs_printConfig();
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void _fs_eraseConfig();
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fs_callback_f _fs_callback;
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fs_settings_callback_f _fs_settings_callback;
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// general
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char * _app_hostname;
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char * _app_name;
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char * _app_version;
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char * _boottime;
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bool _suspendOutput;
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bool _use_serial;
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// load average (0..100)
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void _calculateLoad();
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unsigned short int _load_average;
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};
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extern MyESP myESP;
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#endif
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