Merge branch 'new_mqtt'

Migrate to new MQTT lib espMqttClient to support secure connection and improve stability.

.gitmodules

@@ -2,9 +2,6 @@
 	path = components/arduino-esp32
 	url = https://github.com/espressif/arduino-esp32.git
 	branch = release/v2.x
-[submodule "components/async-mqtt-client"]
-	path = components/async-mqtt-client
-	url = https://github.com/dzungpv/async-mqtt-client.git
 [submodule "components/ESPAsyncWebServer"]
 	path = components/ESPAsyncWebServer
 	url = https://github.com/dzungpv/ESPAsyncWebServer.git
@@ -18,3 +15,6 @@
 	path = components/ArduinoJson
 	url = https://github.com/bblanchon/ArduinoJson.git
 	branch = 6.x
+[submodule "components/espMqttClient"]
+	path = components/espMqttClient
+	url = https://github.com/dzungpv/espMqttClient.git

README.md

@@ -40,8 +40,8 @@ The software and hardware has been tested by the author for 5 years on the follo
 
 This circuit using by the author, here is some [boards](https://github.com/dzungpv/mitsubishi2MQTT/blob/master/hardware/Before_Install.jpg) before install.
 
-You can also use ESP-32 module for more processing power. If using ESP-32 by default app use Serial (serial 0 port).
-You can assign any compatible pin in the SETUP->OTHERS to use custom pin, example TX: 26, RX: 27, check ESP-32 manual for pin, when TX and RX set it will use Serial2 port. 
+You can also use ESP-32 module for more processing power. If using ESP-32 by default app use UART1 (TX - GPIO 10, RX - GPIO 9)
+You can assign any compatible pin in the SETUP->OTHERS to use custom pin, example TX: 26, RX: 27, check ESP-32 manual for pin, when TX and RX set it will use UART2 port. Better not using UART0, it is default for logs and flash the chip.
 You can see more pictures in [`hardware`](https://github.com/dzungpv/mitsubishi2MQTT/tree/master/hardware) folder.
 ***
 
@@ -112,6 +112,12 @@ The `topic` is: "mqtt_topic/mqtt_friendly_name"
 - topic/system/set to control the device with commands: "restart": reboot the device, "factory": reset device to fatory state.
 ***
 
+***
+
+## MQTT secure connection
+MQTT secure connection via `8883` port only support ESP32, app inlude default CA-Root-Certificate for Letsencrypt base domain. You can set your Certificate in the Setup -> Unit
+***
+
 ## Special thanks
 SwiCago for the great libraries: https://github.com/SwiCago/HeatPump
 

main/config.h

@@ -39,8 +39,8 @@ extern "C"
 #include <ESPAsyncTCP.h> // ESPAsyncWebServer for ESP8266
 #define U_PART U_FS
 #endif
-#include <AsyncMqttClient.h>
-#include <ESPAsyncWebServer.h> //ESPAsyncWebServer
+#include <espMqttClient.h>     // espMqttClient
+#include <ESPAsyncWebServer.h> // ESPAsyncWebServer
 AsyncWebServer server(80);     // Async Web server
 #define WEBSOCKET_ENABLE 1     // Uncomment to enable websocket
 #ifdef WEBSOCKET_ENABLE
@@ -58,8 +58,44 @@ AsyncEventSource events("/events"); // Create an Event Source on /events
 #include <Ticker.h>   // for LED status (Using a Wemos D1-Mini)
 #include "time.h"     // time lib
 
+// Let Encrypt isrgrootx1.pem
+const char rootCA_LE[] = R"====(
+-----BEGIN CERTIFICATE-----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=
+-----END CERTIFICATE-----
+)====";
+
 // wifi, mqtt and heatpump client instances
-AsyncMqttClient mqttClient; // AsyncMqtt
+MqttClient* mqttClient = nullptr; // espMqttClient support both in secure and secure mqtt
+
 #ifdef ESP32
 TimerHandle_t mqttReconnectTimer; // timer for esp32 AsyncMqttClient
 TimerHandle_t wifiReconnectTimer; // timer for esp32 AsyncMqttClient
@@ -169,6 +205,7 @@ String mqtt_port;
 String mqtt_username;
 String mqtt_password;
 String mqtt_topic = "mitsubishi2mqtt";
+String mqtt_root_ca_cert;
 String mqtt_client_id;
 const PROGMEM char *mqtt_payload_available = "online";
 const PROGMEM char *mqtt_payload_unavailable = "offline";

main/html_common.h

@@ -76,10 +76,14 @@ const char html_common_header[] PROGMEM =
         "}"
 
         "textarea {"
-            "resize: none;"
-            "width: 98%;"
-            "height: 318px;"
+            "resize: true;"
+            "width: 100%;"
+            "height: 50px;"
             "padding: 5px;"
+            "box-sizing: border-box;"
+            "border: 2px solid #ccc;"
+            "border-radius: 4px;"
+            "background-color: #f8f8f8;"
             "overflow: auto;"
         "}"
 

main/html_pages.h

@@ -71,6 +71,12 @@ const char html_page_mqtt[] PROGMEM =
                         "<input id='mt' name='mt' placeholder='_TXT_MQTT_PH_TOPIC_' value='_MQTT_TOPIC_' "
 						"autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false'>"
                     "</p>"
+                    "<p><b>_TXT_MQTT_ROOT_CA_CERT_</b>"
+                        "<br/>"
+                        "<textarea id='mrcc' name='mrcc' rows='2' cols='50' maxlength='2560'>"
+                        "_MQTT_ROOT_CA_CERT_"
+                        "</textarea>"
+                    "</p>"
                     "<br/>"
                     "<button name='save' type='submit' class='button bgrn'>_TXT_SAVE_</button>"
                 "</form>"

main/language_translations.h

@@ -115,6 +115,7 @@ MAKE_WORD_TRANSLATION(txt_mqtt_topic, en::txt_mqtt_topic, vi::txt_mqtt_topic, da
 MAKE_WORD_TRANSLATION(txt_mqtt_ph_user, en::txt_mqtt_ph_user, vi::txt_mqtt_ph_user, da::txt_mqtt_ph_user, de::txt_mqtt_ph_user, es::txt_mqtt_ph_user, fr::txt_mqtt_ph_user, it::txt_mqtt_ph_user, ja::txt_mqtt_ph_user, zh::txt_mqtt_ph_user, ca::txt_mqtt_ph_user)                       // TODO translate
 MAKE_WORD_TRANSLATION(txt_mqtt_ph_pwd, en::txt_mqtt_ph_pwd, vi::txt_mqtt_ph_pwd, da::txt_mqtt_ph_pwd, de::txt_mqtt_ph_pwd, es::txt_mqtt_ph_pwd, fr::txt_mqtt_ph_pwd, it::txt_mqtt_ph_pwd, ja::txt_mqtt_ph_pwd, zh::txt_mqtt_ph_pwd, ca::txt_mqtt_ph_pwd)                                  // TODO translate
 MAKE_WORD_TRANSLATION(txt_mqtt_ph_topic, en::txt_mqtt_ph_topic, vi::txt_mqtt_ph_topic, da::txt_mqtt_ph_topic, de::txt_mqtt_ph_topic, es::txt_mqtt_ph_topic, fr::txt_mqtt_ph_topic, it::txt_mqtt_ph_topic, ja::txt_mqtt_ph_topic, zh::txt_mqtt_ph_topic, ca::txt_mqtt_ph_topic)            // TODO translate
+MAKE_WORD_TRANSLATION(txt_mqtt_root_ca_cert, en::txt_mqtt_root_ca_cert, vi::txt_mqtt_root_ca_cert, da::txt_mqtt_root_ca_cert, de::txt_mqtt_root_ca_cert, es::txt_mqtt_root_ca_cert, fr::txt_mqtt_root_ca_cert, it::txt_mqtt_root_ca_cert, ja::txt_mqtt_root_ca_cert, zh::txt_mqtt_root_ca_cert, ca::txt_mqtt_root_ca_cert)            // TODO translate
 
 // Page Others
 MAKE_WORD_TRANSLATION(txt_others_title, en::txt_others_title, vi::txt_others_title, da::txt_others_title, de::txt_others_title, es::txt_others_title, fr::txt_others_title, it::txt_others_title, ja::txt_others_title, zh::txt_others_title, ca::txt_others_title)                                                                                         // TODO translate

main/languages/ca-ES.h

@@ -78,22 +78,23 @@ namespace ca
   const char txt_mqtt_fn_desc[] PROGMEM = "(sense espais ni caràcters especials)";
   const char txt_mqtt_host[] PROGMEM = "Anfitrió o IP";
   const char txt_mqtt_port[] PROGMEM = "Port";
-  const char txt_mqtt_port_desc[] PROGMEM = "(1883 per defecte, no és compatible amb 8883)";
+  const char txt_mqtt_port_desc[] PROGMEM = "(1883 per defecte, ESP32: 8883 CERT requereix)";
   const char txt_mqtt_user[] PROGMEM = "Usuari";
   const char txt_mqtt_password[] PROGMEM = "Contrasenya";
   const char txt_mqtt_topic[] PROGMEM = "Tema";
   const char txt_mqtt_ph_topic[] PROGMEM = "Introduïu el tema Mqtt";
   const char txt_mqtt_ph_user[] PROGMEM = "Introduïu l'usuari Mqtt";
   const char txt_mqtt_ph_pwd[] PROGMEM = "Introduïu la contrasenya Mqtt";
+  const char txt_mqtt_root_ca_cert[] PROGMEM = "CA-Root-Certificate (default Letsencrypt)";
 
   // Page Others
   const char txt_others_title[] PROGMEM = "Altra configuració";
   const char txt_others_haauto[] PROGMEM = "HA autodescobriment";
   const char txt_others_hatopic[] PROGMEM = "HA tema d'autodescobriment";
   const char txt_others_debug_packets[] PROGMEM = "MQTT topic debug packets";
   const char txt_others_debug_log[] PROGMEM = "MQTT topic debug logs";
-  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use Serial)";
-  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use Serial)";
+  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use UART1)";
+  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use UART1)";
 
   // Page Status
   const char txt_status_title[] PROGMEM = "Estat";

main/languages/da-DA.h

@@ -80,19 +80,20 @@ namespace da
   const char txt_mqtt_password[] PROGMEM = "Password";
   const char txt_mqtt_topic[] PROGMEM = "Topic";
   const char txt_mqtt_fn_desc[] PROGMEM = "(no space or special char)";
-  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, not support 8883)";
+  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, ESP32: 8883 Cert requereix)";
   const char txt_mqtt_ph_topic[] PROGMEM = "Enter Mqtt topic";
   const char txt_mqtt_ph_user[] PROGMEM = "Enter Mqtt user";
   const char txt_mqtt_ph_pwd[] PROGMEM = "Enter Mqtt password";
+  const char txt_mqtt_root_ca_cert[] PROGMEM = "CA-Root-Certificate (default Letsencrypt)";
 
   // Page Others
   const char txt_others_title[] PROGMEM = "Others Parameters";
   const char txt_others_haauto[] PROGMEM = "HA Autodiscovery";
   const char txt_others_hatopic[] PROGMEM = "HA Autodiscovery topic";
   const char txt_others_debug_packets[] PROGMEM = "MQTT topic debug packets";
   const char txt_others_debug_log[] PROGMEM = "MQTT topic debug logs";
-  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use Serial)";
-  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use Serial)";
+  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use UART1)";
+  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use UART1)";
 
   // Page Status
   const char txt_status_title[] PROGMEM = "Status";

main/languages/de-DE.h

@@ -36,7 +36,7 @@ namespace de
   const char txt_reset[] PROGMEM = "Einstellungen zurücksetzen";
   const char txt_reset_confirm[] PROGMEM = "Willst du wirklich alle Einstellungen zurücksetzen?";
   const char txt_mqtt_fn_desc[] PROGMEM = "(no space or special char)";
-  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, not support 8883)";
+  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, ESP32: 8883 CERT require)";
   const char txt_mqtt_ph_topic[] PROGMEM = "Enter Mqtt topic";
   const char txt_mqtt_ph_user[] PROGMEM = "Enter Mqtt user";
   const char txt_mqtt_ph_pwd[] PROGMEM = "Enter Mqtt password";
@@ -80,19 +80,20 @@ namespace de
   const char txt_mqtt_title[] PROGMEM = "MQTT Parameter";
   const char txt_mqtt_fn[] PROGMEM = "Anzeigename";
   const char txt_mqtt_host[] PROGMEM = "Host";
-  const char txt_mqtt_port[] PROGMEM = "Port (default 1883)";
+  const char txt_mqtt_port[] PROGMEM = "Port";
   const char txt_mqtt_user[] PROGMEM = "Benutzername";
   const char txt_mqtt_password[] PROGMEM = "Passwort";
   const char txt_mqtt_topic[] PROGMEM = "Topic";
+  const char txt_mqtt_root_ca_cert[] PROGMEM = "CA-Root-Certificate (default Letsencrypt)";
 
   // Page Others
   const char txt_others_title[] PROGMEM = "Weitere Parameter";
   const char txt_others_haauto[] PROGMEM = "HA Autodiscovery";
   const char txt_others_hatopic[] PROGMEM = "HA Autodiscovery topic";
   const char txt_others_debug_packets[] PROGMEM = "MQTT topic debug packets";
   const char txt_others_debug_log[] PROGMEM = "MQTT topic debug logs";
-  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use Serial)";
-  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use Serial)";
+  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use UART1)";
+  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use UART1)";
 
   // Page Status
   const char txt_status_title[] PROGMEM = "Status";

main/languages/en-GB.h

@@ -78,22 +78,23 @@ namespace en
   const char txt_mqtt_fn_desc[] PROGMEM = "(no space or special char)";
   const char txt_mqtt_host[] PROGMEM = "Host or IP";
   const char txt_mqtt_port[] PROGMEM = "Port";
-  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, not support 8883)";
+  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, ESP32: 8883 CERT require)";
   const char txt_mqtt_user[] PROGMEM = "User";
   const char txt_mqtt_password[] PROGMEM = "Password";
   const char txt_mqtt_topic[] PROGMEM = "Topic";
   const char txt_mqtt_ph_topic[] PROGMEM = "Enter Mqtt topic";
   const char txt_mqtt_ph_user[] PROGMEM = "Enter Mqtt user";
   const char txt_mqtt_ph_pwd[] PROGMEM = "Enter Mqtt password";
+  const char txt_mqtt_root_ca_cert[] PROGMEM = "CA-Root-Certificate (default Letsencrypt)";
 
   // Page Others
   const char txt_others_title[] PROGMEM = "Others Parameters";
   const char txt_others_haauto[] PROGMEM = "Custom HA Autodiscovery topic";
   const char txt_others_hatopic[] PROGMEM = "Autodiscovery topic";
   const char txt_others_debug_packets[] PROGMEM = "MQTT debug packets";
   const char txt_others_debug_log[] PROGMEM = "MQTT debug logs";
-  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use Serial)";
-  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use Serial)";
+  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use UART1)";
+  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use UART1)";
 
   // Page Status
   const char txt_status_title[] PROGMEM = "Status";

main/languages/es-ES.h

@@ -81,19 +81,20 @@ namespace es
   const char txt_mqtt_password[] PROGMEM = "Contraseña";
   const char txt_mqtt_topic[] PROGMEM = "Topic";
   const char txt_mqtt_fn_desc[] PROGMEM = "(no space or special char)";
-  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, not support 8883)";
+  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, ESP32: 8883 CERT require)";
   const char txt_mqtt_ph_topic[] PROGMEM = "Enter Mqtt topic";
   const char txt_mqtt_ph_user[] PROGMEM = "Enter Mqtt user";
   const char txt_mqtt_ph_pwd[] PROGMEM = "Enter Mqtt password";
+  const char txt_mqtt_root_ca_cert[] PROGMEM = "CA-Root-Certificate (default Letsencrypt)";
 
   // Page Others
   const char txt_others_title[] PROGMEM = "Otros parámetros";
   const char txt_others_haauto[] PROGMEM = "HA Autodiscovery";
   const char txt_others_hatopic[] PROGMEM = "HA Autodiscovery topic";
   const char txt_others_debug_packets[] PROGMEM = "MQTT topic debug packets";
   const char txt_others_debug_log[] PROGMEM = "MQTT topic debug logs";
-  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use Serial)";
-  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use Serial)";
+  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use UART1)";
+  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use UART1)";
 
   // Page Status
   const char txt_status_title[] PROGMEM = "Estado";

main/languages/fr-FR.h

@@ -81,19 +81,20 @@ namespace fr
   const char txt_mqtt_password[] PROGMEM = "Mot de passe";
   const char txt_mqtt_topic[] PROGMEM = "Topic";
   const char txt_mqtt_fn_desc[] PROGMEM = "(no space or special char)";
-  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, not support 8883)";
+  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, ESP32: 8883 CERT require)";
   const char txt_mqtt_ph_topic[] PROGMEM = "Enter Mqtt topic";
   const char txt_mqtt_ph_user[] PROGMEM = "Enter Mqtt user";
   const char txt_mqtt_ph_pwd[] PROGMEM = "Enter Mqtt password";
+  const char txt_mqtt_root_ca_cert[] PROGMEM = "CA-Root-Certificate (default Letsencrypt)";
 
   // Page Others
   const char txt_others_title[] PROGMEM = "Autres Paramétres";
   const char txt_others_haauto[] PROGMEM = "HA Découverte automatique";
   const char txt_others_hatopic[] PROGMEM = "HA Topic Découverte automatique";
   const char txt_others_debug_packets[] PROGMEM = "MQTT topic debug packets";
   const char txt_others_debug_log[] PROGMEM = "MQTT topic debug logs";
-  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use Serial)";
-  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use Serial)";
+  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use UART1)";
+  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use UART1)";
 
   // Page Status
   const char txt_status_title[] PROGMEM = "Etats";

main/languages/it-IT.h

@@ -81,19 +81,20 @@ namespace it
   const char txt_mqtt_password[] PROGMEM = "Password";
   const char txt_mqtt_topic[] PROGMEM = "Topic";
   const char txt_mqtt_fn_desc[] PROGMEM = "(no space or special char)";
-  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, not support 8883)";
+  const char txt_mqtt_port_desc[] PROGMEM = "(default 1883, ESP32: 8883 CERT require)";
   const char txt_mqtt_ph_topic[] PROGMEM = "Enter Mqtt topic";
   const char txt_mqtt_ph_user[] PROGMEM = "Enter Mqtt user";
   const char txt_mqtt_ph_pwd[] PROGMEM = "Enter Mqtt password";
+  const char txt_mqtt_root_ca_cert[] PROGMEM = "CA-Root-Certificate (default Letsencrypt)";
 
   // Page Others
   const char txt_others_title[] PROGMEM = "Altri parametetri";
   const char txt_others_haauto[] PROGMEM = "HA Autodiscovery";
   const char txt_others_hatopic[] PROGMEM = "HA Autodiscovery topic";
   const char txt_others_debug_packets[] PROGMEM = "MQTT topic debug packets";
   const char txt_others_debug_log[] PROGMEM = "MQTT topic debug logs";
-  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use Serial)";
-  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use Serial)";
+  const char txt_others_tx_pin[] PROGMEM = "TX pin (ESP32, 0 use UART1)";
+  const char txt_others_rx_pin[] PROGMEM = "RX pin (ESP32, 0 use UART1)";
 
   // Page Status
   const char txt_status_title[] PROGMEM = "Stato";