Merge remote-tracking branch 'origin/dev'

support filesystem ota

CHANGELOG.md

@@ -5,6 +5,44 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [3.8.2] 12 May 2026
+
+## Added
+
+- comfortpoint for BC400 [#2935](https://github.com/emsesp/EMS-ESP32/issues/2935)
+- customize device brand [#2784](https://github.com/emsesp/EMS-ESP32/issues/2784)
+- set model for ems-esp devices temperature, analog, etc. [#2958](https://github.com/emsesp/EMS-ESP32/discussions/2958)
+- prometheus metrics for temperature/analog/scheduler/custom [#2962](https://github.com/emsesp/EMS-ESP32/issues/2962)
+- boiler pumpkick [#2965](https://github.com/emsesp/EMS-ESP32/discussions/2965)
+- heatpump reset [#2933](https://github.com/emsesp/EMS-ESP32/issues/2933)
+- 2.nd freshwater module (dhw4, dhw5) [#2991](https://github.com/emsesp/EMS-ESP32/issues/2991)
+- full system backup and restore
+- auto-logic to set ht3/ems+ tx-mode
+- polariity for digital_in sensors [#3070](https://github.com/emsesp/EMS-ESP32/discussions/3070)
+
+## Fixed
+
+- SRC climate creation [#2936](https://github.com/emsesp/EMS-ESP32/issues/2936) and [#2960](https://github.com/emsesp/EMS-ESP32/issues/2960)
+- missing translations [#3015](https://github.com/emsesp/EMS-ESP32/issues/3015)
+- custom entities check fetch length
+- modbus initialization [#3064](https://github.com/emsesp/EMS-ESP32/issues/3064)
+
+## Changed
+
+- weblogbuffer up to 1000 messages with PSRAM, mentioned in [#2933](https://github.com/emsesp/EMS-ESP32/issues/2933)
+- validate custom entity writes, [#2931](https://github.com/emsesp/EMS-ESP32/issues/2931)
+- remove wrong burnMinPower [#2918](https://github.com/emsesp/EMS-ESP32/issues/2918)
+- store scheduler active state to nvs [#2946](https://github.com/emsesp/EMS-ESP32/discussions/2946)
+- translated modes `heat` and `eco` for HA-climate mode-str-tpl
+- support `minflowtemp` and `baseflowtemp` [#2969](https://github.com/emsesp/EMS-ESP32/discussions/2969)
+- update version if it is 00.00 in first read [#2981](https://github.com/emsesp/EMS-ESP32/issues/2981)
+- device class for % values [#2980](https://github.com/emsesp/EMS-ESP32/issues/2980)
+- fetch telegrams: set length to fetch [#3017](https://github.com/emsesp/EMS-ESP32/issues/3017)
+- move http client from stack to heap
+- heap optimizations [#3021](https://github.com/emsesp/EMS-ESP32/discussions/3021)
+- check and read 0x470 as summer2_typeids[0] only if received [#2686](https://github.com/emsesp/EMS-ESP32/issues/2686), [#3055](https://github.com/emsesp/EMS-ESP32/issues/3055)
+- default bus-id: gateway1(0x49), tx-mode: auto
+
 ## [3.8.1] 11 January 2026
 
 ## Added
@@ -33,7 +71,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - board profile `CUSTOM` can only be selected in developer mode
 - mqtt sends round values without decimals (`28` instead of `28.0`)
 
-
 ## [3.8.0] 31 December 2025
 
 ## Added

CHANGELOG_LATEST.md

@@ -2,35 +2,12 @@
 
 For more details go to [emsesp.org](https://emsesp.org/).
 
-## [3.8.2]
+## [3.8.3]
 
 ## Added
 
-- comfortpoint for BC400 [#2935](https://github.com/emsesp/EMS-ESP32/issues/2935)
-- customize device brand [#2784](https://github.com/emsesp/EMS-ESP32/issues/2784)
-- set model for ems-esp devices temperature, analog, etc. [#2958](https://github.com/emsesp/EMS-ESP32/discussions/2958)
-- prometheus metrics for temperature/analog/scheduler/custom [#2962](https://github.com/emsesp/EMS-ESP32/issues/2962)
-- boiler pumpkick [#2965](https://github.com/emsesp/EMS-ESP32/discussions/2965)
-- heatpump reset [#2933](https://github.com/emsesp/EMS-ESP32/issues/2933)
-- 2.nd freshwater module (dhw4, dhw5) [#2991](https://github.com/emsesp/EMS-ESP32/issues/2991)
-- full system backup and restore
-
 ## Fixed
 
-- SRC climate creation [#2936](https://github.com/emsesp/EMS-ESP32/issues/2936) and [#2960](https://github.com/emsesp/EMS-ESP32/issues/2960)
-- missing translations [#3015](https://github.com/emsesp/EMS-ESP32/issues/3015)
-- custom entities check fetch length
-
 ## Changed
 
-- weblogbuffer up to 1000 messages with PSRAM, mentioned in [#2933](https://github.com/emsesp/EMS-ESP32/issues/2933)
+
-- validate custom entity writes, [#2931](https://github.com/emsesp/EMS-ESP32/issues/2931)
-- remove wrong burnMinPower [#2918](https://github.com/emsesp/EMS-ESP32/issues/2918)
-- store scheduler active state to nvs [#2946](https://github.com/emsesp/EMS-ESP32/discussions/2946)
-- translated modes `heat` and `eco` for HA-climate mode-str-tpl
-- support `minflowtemp` and `baseflowtemp` [#2969](https://github.com/emsesp/EMS-ESP32/discussions/2969)
-- update version if it is 00.00 in first read [#2981](https://github.com/emsesp/EMS-ESP32/issues/2981)
-- device class for % values [#2980](https://github.com/emsesp/EMS-ESP32/issues/2980)
-- fetch telegrams: set length to fetch [#3017](https://github.com/emsesp/EMS-ESP32/issues/3017)
-- move http client from stack to heap
-- heap optimizations [#3021](https://github.com/emsesp/EMS-ESP32/discussions/3021)

data/pre_load.json

@@ -1,7 +1,6 @@
 {
   "type": "systembackup",
   "version": "3.8.2",
-  "date": "2026-03-29T13:28:15",
   "systembackup": [
     {
       "type": "settings",
@@ -19,7 +18,7 @@
         "tx_power": 0
       },
       "AP": {
-        "provision_mode": 2,
+        "provision_mode": 1,
         "ssid": "ems-esp",
         "password": "ems-esp-neo",
         "channel": 1,
@@ -62,7 +61,7 @@
         "send_response": false
       },
       "NTP": {
-        "enabled": true,
+        "enabled": false,
         "server": "time.google.com",
         "tz_label": "Europe/Amsterdam",
         "tz_format": "CET-1CEST,M3.5.0,M10.5.0/3"
@@ -83,12 +82,12 @@
         ]
       },
       "Settings": {
-        "version": "3.8.2",
+        "version": "3.8.2-dev.22",
         "board_profile": "E32V2_2",
         "platform": "ESP32",
         "locale": "en",
-        "tx_mode": 1,
+        "tx_mode": 5,
-        "ems_bus_id": 11,
+        "ems_bus_id": 73,
         "syslog_enabled": false,
         "syslog_level": 3,
         "trace_raw": false,
@@ -132,17 +131,7 @@
         "modbus_port": 502,
         "modbus_max_clients": 10,
         "modbus_timeout": 300,
-        "developer_mode": true,
+        "developer_mode": false
-        "email_enabled": false,
-        "email_ssl": false,
-        "email_starttls": true,
-        "email_server": "smtp.example.net",
-        "email_port": 587,
-        "email_login": "",
-        "email_pass": "",
-        "email_sender": "ems-esp@example.net",
-        "email_recp": "",
-        "email_subject": "ems-esp notification"
       }
     },
     {
@@ -207,22 +196,14 @@
       }
     },
     {
-      "type": "customSupport",
+      "type": "nvs",
-      "Support": {
+      "nvs": [
-        "html": [
+        {
-          "This product is installed and managed by:",
+          "type": 1,
-          "",
+          "key": "fresh_firmware",
-          "<b>Bosch Installer Example</b>",
+          "value": 0
-          "",
+        }
-          "Nefit Road 12",
+      ]
-          "1234 AB Amsterdam",
-          "Phone: +31 123 456 789",
-          "email: support@boschinstaller.nl",
-          "",
-          "For help and questions please <a target='_blank' href='https://emsesp.org'>contact</a> your installer."
-        ],
-        "img_url": "https://emsesp.org/media/images/designer.png"
-      }
     }
   ]
 }

docs/dump_telegrams.csv

@@ -112,10 +112,10 @@ telegram_type_id,name,is_fetched
 0x02A0,RC300Curves, 
 0x02A1,RC300Curves, 
 0x02A2,RC300Curves, 
-0x02A5,RC300Monitor,fetched
+0x02A5,RC300Monitor, 
-0x02A6,CRFMonitor, 
+0x02A6,RC300Monitor, 
 0x02A7,RC300Monitor, 
-0x02A8,CRFMonitor, 
+0x02A8,RC300Monitor, 
 0x02A9,RC300Monitor, 
 0x02AA,RC300Monitor, 
 0x02AB,RC300Monitor, 
@@ -171,7 +171,7 @@ telegram_type_id,name,is_fetched
 0x0468,HPSet, 
 0x0469,HPSet, 
 0x046A,HPSet, 
-0x0470,RC300Summer2, 
+0x0470,RC300Summer2,fetched
 0x0471,RC300Summer2, 
 0x0472,RC300Summer2, 
 0x0473,RC300Summer2, 
@@ -179,6 +179,7 @@ telegram_type_id,name,is_fetched
 0x0475,RC300Summer2, 
 0x0476,RC300Summer2, 
 0x0477,RC300Summer2, 
+0x0478,RC300Summer2, 
 0x047B,HP2, 
 0x0484,HPSilentMode,fetched
 0x0485,HpCooling,fetched

interface/package.json

@@ -26,8 +26,8 @@
     "@alova/adapter-xhr": "2.3.1",
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.1",
-    "@mui/icons-material": "^9.0.0",
+    "@mui/icons-material": "^9.0.1",
-    "@mui/material": "^9.0.0",
+    "@mui/material": "^9.0.1",
     "@preact/compat": "^18.3.2",
     "@table-library/react-table-library": "4.1.15",
     "alova": "3.5.1",
@@ -38,10 +38,10 @@
     "magic-string": "^0.30.21",
     "mime-types": "^3.0.2",
     "preact": "^10.29.1",
-    "react": "^19.2.5",
+    "react": "^19.2.6",
-    "react-dom": "^19.2.5",
+    "react-dom": "^19.2.6",
     "react-icons": "^5.6.0",
-    "react-router": "^7.14.2",
+    "react-router": "^7.15.0",
     "react-toastify": "^11.1.0",
     "typesafe-i18n": "^5.27.1",
     "typescript": "^6.0.3"
@@ -52,20 +52,20 @@
     "@preact/compat": "^18.3.2",
     "@preact/preset-vite": "^2.10.5",
     "@trivago/prettier-plugin-sort-imports": "^6.0.2",
-    "@types/node": "^25.6.0",
+    "@types/node": "^25.7.0",
     "@types/react": "^19.2.14",
     "@types/react-dom": "^19.2.3",
-    "axe-core": "^4.11.3",
+    "axe-core": "^4.11.4",
     "concurrently": "^9.2.1",
-    "eslint": "^10.2.1",
+    "eslint": "^10.3.0",
     "eslint-config-prettier": "^10.1.8",
     "prettier": "^3.8.3",
     "rollup-plugin-visualizer": "^7.0.1",
-    "terser": "^5.46.1",
+    "terser": "^5.47.1",
-    "typescript-eslint": "^8.59.0",
+    "typescript-eslint": "^8.59.3",
-    "vite": "^8.0.9",
+    "vite": "^8.0.12",
     "vite-plugin-imagemin": "^0.6.1",
     "vite-tsconfig-paths": "^6.1.1"
   },
-  "packageManager": "pnpm@10.33.1+sha512.05ba3c1d5d1c18f68df06470d74055e62d41fc110a0c660db1b2dfb2785327f04cf0f68345d4609bc52089e7fa0343c31593b2f9594e2c5d5da426230acc9820"
+  "packageManager": "pnpm@10.33.4+sha512.1c67b3b359b2d408119ba1ed289f34b8fc3c6873412bec6fd264fbdc82489e510fcbecb9ce9d22dae7f3b76269d8441046014bdca53b9979cd7a561ad631b800"
 }

interface/src/app/main/SensorsAnalogDialog.tsx

@@ -242,6 +242,23 @@ const SensorsAnalogDialog = ({
               </ValidatedTextField>
             </Grid>
           )}
+          {editItem.t === AnalogType.DIGITAL_IN && (
+            <Grid>
+              <ValidatedTextField
+                name="f"
+                label={LL.POLARITY()}
+                value={editItem.f}
+                sx={{ width: '15ch' }}
+                fullWidth
+                select
+                onChange={updateFormValue}
+                disabled={editItem.s}
+              >
+                <MenuItem value={1}>{LL.ACTIVEHIGH()}</MenuItem>
+                <MenuItem value={0}>{LL.ACTIVELOW()}</MenuItem>
+              </ValidatedTextField>
+            </Grid>
+          )}
           {editItem.t === AnalogType.ADC && (
             <Grid>
               <ValidatedTextField
@@ -447,7 +464,7 @@ const SensorsAnalogDialog = ({
                   name="o"
                   label={LL.POLARITY()}
                   value={editItem.o}
-                  sx={{ width: '11ch' }}
+                  sx={{ width: '15ch' }}
                   select
                   onChange={updateFormValue}
                   disabled={editItem.s}

interface/src/app/settings/ApplicationSettings.tsx

@@ -677,6 +677,7 @@ const ApplicationSettings = () => {
               <MenuItem value={2}>EMS+</MenuItem>
               <MenuItem value={3}>HT3</MenuItem>
               <MenuItem value={4}>{LL.HARDWARE()}</MenuItem>
+              <MenuItem value={5}>Auto</MenuItem>
             </TextField>
           </Grid>
           <Grid>

lib_standalone/emsuart_standalone.h

@@ -22,10 +22,11 @@
 #include "Arduino.h"
 
 #define EMS_TXMODE_OFF 0
-#define EMS_TXMODE_DEFAULT 1
+#define EMS_TXMODE_EMS 1
 #define EMS_TXMODE_EMSPLUS 2
 #define EMS_TXMODE_HT3 3
 #define EMS_TXMODE_HW 4
+#define EMS_TXMODE_AUTO 5
 
 namespace emsesp {
 

mock-api/package.json

@@ -15,5 +15,5 @@
     "itty-router": "^5.0.23",
     "prettier": "^3.8.3"
   },
-  "packageManager": "pnpm@10.33.1+sha512.05ba3c1d5d1c18f68df06470d74055e62d41fc110a0c660db1b2dfb2785327f04cf0f68345d4609bc52089e7fa0343c31593b2f9594e2c5d5da426230acc9820"
+  "packageManager": "pnpm@10.33.4+sha512.1c67b3b359b2d408119ba1ed289f34b8fc3c6873412bec6fd264fbdc82489e510fcbecb9ce9d22dae7f3b76269d8441046014bdca53b9979cd7a561ad631b800"
 }

mock-api/pnpm-lock.yaml

@@ -46,8 +46,8 @@ packages:
     resolution: {integrity: sha512-qSs4ifwzKJSV39ucNjsvc6WVHs6b7S03sOh2OcHF9UHfVPqWWALUsNUVzhSBiItjRZoLHx7nIarVjqKVusUZ1Q==}
     engines: {node: '>=6.9.0'}
 
-  '@babel/parser@7.29.2':
+  '@babel/parser@7.29.3':
-    resolution: {integrity: sha512-4GgRzy/+fsBa72/RZVJmGKPmZu9Byn8o4MoLpmNe1m8ZfYnz5emHLQz3U4gLud6Zwl0RZIcgiLD7Uq7ySFuDLA==}
+    resolution: {integrity: sha512-b3ctpQwp+PROvU/cttc4OYl4MzfJUWy6FZg+PMXfzmt/+39iHVF0sDfqay8TQM3JA2EUOyKcFZt75jWriQijsA==}
     engines: {node: '>=6.0.0'}
     hasBin: true
 
@@ -185,7 +185,7 @@ snapshots:
 
   '@babel/generator@7.29.1':
     dependencies:
-      '@babel/parser': 7.29.2
+      '@babel/parser': 7.29.3
       '@babel/types': 7.29.0
       '@jridgewell/gen-mapping': 0.3.13
       '@jridgewell/trace-mapping': 0.3.31
@@ -197,14 +197,14 @@ snapshots:
 
   '@babel/helper-validator-identifier@7.28.5': {}
 
-  '@babel/parser@7.29.2':
+  '@babel/parser@7.29.3':
     dependencies:
       '@babel/types': 7.29.0
 
   '@babel/template@7.28.6':
     dependencies:
       '@babel/code-frame': 7.29.0
-      '@babel/parser': 7.29.2
+      '@babel/parser': 7.29.3
       '@babel/types': 7.29.0
 
   '@babel/traverse@7.29.0':
@@ -212,7 +212,7 @@ snapshots:
       '@babel/code-frame': 7.29.0
       '@babel/generator': 7.29.1
       '@babel/helper-globals': 7.28.0
-      '@babel/parser': 7.29.2
+      '@babel/parser': 7.29.3
       '@babel/template': 7.28.6
       '@babel/types': 7.29.0
       debug: 4.4.3
@@ -249,7 +249,7 @@ snapshots:
   '@trivago/prettier-plugin-sort-imports@6.0.2(prettier@3.8.3)':
     dependencies:
       '@babel/generator': 7.29.1
-      '@babel/parser': 7.29.2
+      '@babel/parser': 7.29.3
       '@babel/traverse': 7.29.0
       '@babel/types': 7.29.0
       javascript-natural-sort: 0.7.1

platformio.ini

@@ -59,7 +59,7 @@ framework = arduino
 board_build.partitions = partitions/esp32_partition_16M.csv
 board_upload.flash_size = 16MB
 board_build.app_partition_name = app0
-platform = espressif32@6.13.0 ; Arduino Core 2.0.17 / IDF 4.4.7
+platform = espressif32@7.0.0 ; Arduino Core 2.0.17 / IDF 4.4.7
 
 ; 32MB Flash variants
 [espressif32_base_32M]
@@ -67,7 +67,7 @@ framework = arduino
 board_build.partitions = partitions/esp32_partition_32M.csv
 board_upload.flash_size = 32MB
 board_build.app_partition_name = app0
-platform = espressif32@6.13.0 ; Arduino Core 2.0.17 / IDF 4.4.7
+platform = espressif32@7.0.0 ; Arduino Core 2.0.17 / IDF 4.4.7
 
 ; use Tasmota's library for 4MB Flash variants.
 ; Removes libs (like mbedtsl, so no WiFi_secure.h) to increase available heap
@@ -105,7 +105,7 @@ board_build.filesystem = littlefs
 lib_deps =
   bblanchon/ArduinoJson @ 7.4.3
   ESP32Async/AsyncTCP @ 3.4.10
-  ESP32Async/ESPAsyncWebServer @ 3.10.3
+  ESP32Async/ESPAsyncWebServer @ 3.11.0
   ; https://github.com/emsesp/EMS-ESP-Modules.git @ 1.0.8
 
 ; builds the web interface only, not the firmware

src/ESP32React/MqttSettingsService.cpp

@@ -185,10 +185,14 @@ bool MqttSettingsService::configureMqtt() {
 #ifndef TASMOTA_SDK
         if (_state.enableTLS) {
             if (_state.rootCA == "insecure") {
+#if defined(EMSESP_DEBUG)
                 emsesp::EMSESP::logger().debug("Start insecure MQTT");
+#endif
                 static_cast<espMqttClientSecure *>(_mqttClient)->setInsecure();
             } else {
+#if defined(EMSESP_DEBUG)
                 emsesp::EMSESP::logger().debug("Start secure MQTT with rootCA");
+#endif
                 String certificate = "-----BEGIN CERTIFICATE-----\n" + _state.rootCA + "\n-----END CERTIFICATE-----\n";
                 static_cast<espMqttClientSecure *>(_mqttClient)->setCACert(certificate.c_str());
             }

src/ESP32React/UploadFileService.cpp

@@ -4,6 +4,7 @@
 
 #include <esp_app_format.h>
 #include <esp_ota_ops.h>
+// #include <esp_partition.h>
 
 static String getFilenameExtension(const String & filename) {
     const auto pos = filename.lastIndexOf('.');
@@ -16,8 +17,8 @@ static String getFilenameExtension(const String & filename) {
 UploadFileService::UploadFileService(AsyncWebServer * server, SecurityManager * securityManager)
     : _securityManager(securityManager)
     , _is_firmware(false)
+    , _is_filesystem(false)
     , _md5() {
-    // upload a file via a form
     server->on(
         UPLOAD_FILE_PATH,
         HTTP_POST,
@@ -42,7 +43,13 @@ void UploadFileService::handleUpload(AsyncWebServerRequest * request, const Stri
         const std::size_t filesize  = request->contentLength();
 
         _is_firmware   = false;
-        if ((extension == "bin") && (filesize > 1000000)) {
+        _is_filesystem = false;
+
+        if (extension == "bin" && filename.endsWith("littlefs.bin")) {
+            // LittleFS filesystem image
+            _is_filesystem = true;
+            _md5[0]        = '\0'; // clear any stale md5 so Update.end() doesn't compare against it
+        } else if ((extension == "bin") && (filesize > 2000000)) {
             _is_firmware = true;
         } else if (extension == "json") {
             _md5[0] = '\0'; // clear md5
@@ -88,6 +95,7 @@ void UploadFileService::handleUpload(AsyncWebServerRequest * request, const Stri
 #endif
             // it's firmware - initialize the ArduinoOTA updater
             emsesp::EMSESP::logger().info("Uploading firmware file %s (size: %d KB). Please wait...", filename.c_str(), filesize / 1024);
+
             // turn off UART to prevent interference with the upload
             emsesp::EMSuart::stop();
 
@@ -96,28 +104,55 @@ void UploadFileService::handleUpload(AsyncWebServerRequest * request, const Stri
                     Update.setMD5(_md5.data());
                     _md5.front() = '\0';
                 }
-                request->onDisconnect([this] { handleEarlyDisconnect(); }); // success, let's make sure we end the update if the client hangs up
+                request->onDisconnect([this] { handleDisconnect(); }); // success, let's make sure we end the update if the client hangs up
             } else {
                 handleError(request, 507); // failed to begin, send an error response Insufficient Storage
                 return;
             }
+        } else if (_is_filesystem) {
+            // LittleFS filesystem image - flash directly to the spiffs/littlefs partition
+            emsesp::EMSESP::logger().info("Uploading filesystem image %s (size: %u KB). Please wait...", filename.c_str(), static_cast<unsigned>(filesize / 1024));
+            emsesp::EMSuart::stop();
+            LittleFS.end(); // unmount LittleFS before we overwrite the partition under it
+
+            // request->contentLength() is the multipart HTTP body size, not the file size,
+            // so it can exceed the partition by a few hundred bytes. Use UPDATE_SIZE_UNKNOWN
+            // and let the Update library size against the whole partition.
+            if (Update.begin(UPDATE_SIZE_UNKNOWN, U_SPIFFS)) {
+                // emsesp::EMSESP::logger().info("Update.begin(U_SPIFFS) ok, partition size %u bytes", static_cast<unsigned>(Update.size()));
+                request->onDisconnect([this] { handleDisconnect(); });
+            } else {
+                emsesp::EMSESP::logger().err("Update.begin(U_SPIFFS) failed: %s", Update.errorString());
+                handleError(request, 507);
+                return;
+            }
         } else {
             // its a normal file, open a new temp file to write the contents too
             request->_tempFile = LittleFS.open(TEMP_FILENAME_PATH, "w");
         }
     }
 
-    if (!_is_firmware) {
+    if (_is_firmware || _is_filesystem) {
-        if (len && len != request->_tempFile.write(data, len)) { // stream the incoming chunk to the opened file
+        if (!request->_tempObject) { // if we haven't delt with an error, continue with the OTA update
-            handleError(request, 507);                           // 507-Insufficient Storage
-        }
-    } else if (!request->_tempObject) { // if we haven't delt with an error, continue with the firmware update
             if (Update.write(data, len) != len) {
+                emsesp::EMSESP::logger().err("Update.write failed at offset %u (chunk %u): %s",
+                                             static_cast<unsigned>(Update.progress()),
+                                             static_cast<unsigned>(len),
+                                             Update.errorString());
                 handleError(request, 500); // internal error, failed
                 return;
             }
-        if (final && !Update.end(true)) {
+            if (final) {
-            handleError(request, 500); // internal error, failed
+                if (!Update.end(true)) {
+                    emsesp::EMSESP::logger().err("Update.end failed: %s", Update.errorString());
+                    handleError(request, 500);
+                    return;
+                }
+            }
+        } else {
+            if (len && len != request->_tempFile.write(data, len)) { // stream the incoming chunk to the opened file
+                handleError(request, 507);                           // 507-Insufficient Storage
+            }
         }
     }
 }
@@ -135,11 +170,13 @@ void UploadFileService::uploadComplete(AsyncWebServerRequest * request) {
         return;
     }
 
-    // check if it was a firmware upgrade
+    // check if it was a firmware or filesystem image upgrade
-    // if no error, send the success response as a JSON
+    // if no error, send the success response and request a restart
-    if (_is_firmware && !request->_tempObject) {
+    if ((_is_firmware || _is_filesystem) && !request->_tempObject) {
+        if (_is_firmware) {
             // set NVS to tell EMS-ESP this is a new fresh firmware on next restart
             emsesp::EMSESP::nvs_.putBool(emsesp::EMSESP_NVS_BOOT_NEW_FIRMWARE, true);
+        }
 
         AsyncWebServerResponse * response = request->beginResponse(200);
         request->send(response);
@@ -179,14 +216,20 @@ void UploadFileService::handleError(AsyncWebServerRequest * request, int code) {
     if (code == 406) {
         request->client()->close();
         _is_firmware   = false;
+        _is_filesystem = false;
         Update.abort();
     }
+
+    // if we aborted a filesystem upload, remount LittleFS so the device keeps working
+    if (_is_filesystem) {
+        LittleFS.begin();
+    }
 }
 
-void UploadFileService::handleEarlyDisconnect() {
+void UploadFileService::handleDisconnect() {
     emsesp::EMSESP::logger().info("Upload finished");
     emsesp::EMSESP::system_.uart_init(); // re-enable UART
 
     _is_firmware   = false;
-    Update.abort();
+    _is_filesystem = false;
 }

src/ESP32React/UploadFileService.h

@@ -22,13 +22,14 @@ class UploadFileService {
   private:
     SecurityManager *    _securityManager;
     bool                 _is_firmware;
+    bool                 _is_filesystem;
     std::array<char, 33> _md5;
 
     void handleUpload(AsyncWebServerRequest * request, const String & filename, size_t index, uint8_t * data, size_t len, bool final);
     void uploadComplete(AsyncWebServerRequest * request);
     void handleError(AsyncWebServerRequest * request, int code);
 
-    void handleEarlyDisconnect();
+    void handleDisconnect();
 };
 
 #endif

src/core/analogsensor.cpp

@@ -287,7 +287,7 @@ void AnalogSensor::reload(bool get_nvs) {
 #endif
         } else if (sensor.type() == AnalogType::DIGITAL_IN) {
             LOG_DEBUG("Digital Read on GPIO %02d", sensor.gpio());
-            sensor.set_value(digitalRead(sensor.gpio())); // initial value
+            sensor.set_value(sensor.factor() == 0 ? !digitalRead(sensor.gpio()) : digitalRead(sensor.gpio())); // initial value
             sensor.set_uom(0);                                                                                 // no uom, just for safe measures
             sensor.polltime_ = 0;
             sensor.poll_     = digitalRead(sensor.gpio());
@@ -465,7 +465,7 @@ void AnalogSensor::measure() {
             if (uuid::get_uptime() - sensor.polltime_ >= 15 && sensor.poll_ != sensor.last_reading_) {
                 sensor.last_reading_ = sensor.poll_;
                 if (sensor.type() == AnalogType::DIGITAL_IN) {
-                    sensor.set_value(sensor.poll_);
+                    sensor.set_value(sensor.factor() == 0 ? !sensor.poll_ : sensor.poll_);
                 } else if (!sensor.poll_) { // falling edge
                     if (sensor.type() == AnalogType::COUNTER) {
                         sensor.set_value(old_value + sensor.factor());

src/core/default_settings.h

@@ -26,11 +26,11 @@
 #endif
 
 #ifndef EMSESP_DEFAULT_TX_MODE
-#define EMSESP_DEFAULT_TX_MODE 1 // EMS1.0
+#define EMSESP_DEFAULT_TX_MODE 5 // Auto
 #endif
 
 #ifndef EMSESP_DEFAULT_EMS_BUS_ID
-#define EMSESP_DEFAULT_EMS_BUS_ID 0x0B // service key
+#define EMSESP_DEFAULT_EMS_BUS_ID 0x49 // gateway 2
 #endif
 
 #ifndef EMSESP_DEFAULT_SYSLOG_ENABLED

src/core/emsdevice.h

@@ -448,6 +448,14 @@ class EMSdevice {
     static constexpr uint8_t EMS_DEVICE_ID_DHW2           = 0x29; // MM100 module as water station
     static constexpr uint8_t EMS_DEVICE_ID_DHW8           = 0x2F; // last DHW module id?
     static constexpr uint8_t EMS_DEVICE_ID_IPM_DHW        = 0x41; // IPM module as water station
+    static constexpr uint8_t EMS_DEVICE_ID_GATEWAY1       = 0x48; // KM200, MX300, MX400
+    static constexpr uint8_t EMS_DEVICE_ID_GATEWAY2       = 0x49;
+    static constexpr uint8_t EMS_DEVICE_ID_GATEWAY3       = 0x4A;
+    static constexpr uint8_t EMS_DEVICE_ID_GATEWAY4       = 0x4B;
+    static constexpr uint8_t EMS_DEVICE_ID_GATEWAY5       = 0x4C;
+    static constexpr uint8_t EMS_DEVICE_ID_GATEWAY6       = 0x4D;
+    static constexpr uint8_t EMS_DEVICE_ID_GATEWAY7       = 0x4E;
+    static constexpr uint8_t EMS_DEVICE_ID_GATEWAY8       = 0x4F;
 
     // generic type IDs
     static constexpr uint16_t EMS_TYPE_NAME        = 0x01; // device config for ems devices, name ascii on offset 27ff  for ems+

src/core/emsesp.cpp

@@ -1710,6 +1710,11 @@ void EMSESP::start() {
     bool factory_settings = false;
 #endif
 
+#if defined(EMSESP_DEBUG)
+    // LOG_DEBUG("Listing root directory before:");
+    // system_.listDir("/", 3); // show the contents of the root directory
+#endif
+
     // start NVS storage
     if (!nvs_.begin("ems-esp", false, "nvs1")) { // try bigger nvs partition on 16M flash first
         nvs_.begin("ems-esp", false, "nvs");     // fallback to small nvs
@@ -1724,6 +1729,11 @@ void EMSESP::start() {
     // loads core system services settings (network, mqtt, ap, ntp etc)
     esp32React.begin();
 
+#if defined(EMSESP_DEBUG)
+    // LOG_DEBUG("Listing root directory before:");
+    // system_.listDir("/", 3); // show the contents of the root directory
+#endif
+
 #ifndef EMSESP_STANDALONE
     if (factory_settings) {
         LOG_WARNING("No settings found on filesystem. Using factory settings.");

src/core/system.cpp

@@ -526,6 +526,29 @@ void System::syslog_init() {
 #endif
 }
 
+// start or reconfigure modbus
+void System::modbus_init() {
+    EMSESP::webSettingsService.read([&](WebSettings & settings) {
+        if (settings.modbus_enabled) {
+            if (EMSESP::modbus_ == nullptr) {
+                EMSESP::modbus_ = new Modbus;
+                EMSESP::modbus_->start(1, settings.modbus_port, settings.modbus_max_clients, settings.modbus_timeout * 1000);
+            } else if (settings.modbus_port != modbus_port_ || settings.modbus_max_clients != modbus_max_clients_ || settings.modbus_timeout != modbus_timeout_) {
+                EMSESP::modbus_->stop();
+                EMSESP::modbus_->start(1, settings.modbus_port, settings.modbus_max_clients, settings.modbus_timeout * 1000);
+            }
+        } else if (EMSESP::modbus_ != nullptr) {
+            EMSESP::modbus_->stop();
+            delete EMSESP::modbus_;
+            EMSESP::modbus_ = nullptr;
+        }
+        modbus_enabled_     = settings.modbus_enabled;
+        modbus_port_        = settings.modbus_port;
+        modbus_max_clients_ = settings.modbus_max_clients;
+        modbus_timeout_     = settings.modbus_timeout;
+    });
+}
+
 // read specific major system settings to store locally for faster access
 void System::store_settings(WebSettings & settings) {
     version_ = settings.version;
@@ -563,25 +586,6 @@ void System::store_settings(WebSettings & settings) {
 
     locale_         = settings.locale;
     developer_mode_ = settings.developer_mode;
-
-    // start services
-    if (settings.modbus_enabled) {
-        if (EMSESP::modbus_ == nullptr) {
-            EMSESP::modbus_ = new Modbus;
-            EMSESP::modbus_->start(1, settings.modbus_port, settings.modbus_max_clients, settings.modbus_timeout * 1000);
-        } else if (settings.modbus_port != modbus_port_ || settings.modbus_max_clients != modbus_max_clients_ || settings.modbus_timeout != modbus_timeout_) {
-            EMSESP::modbus_->stop();
-            EMSESP::modbus_->start(1, settings.modbus_port, settings.modbus_max_clients, settings.modbus_timeout * 1000);
-        }
-    } else if (EMSESP::modbus_ != nullptr) {
-        EMSESP::modbus_->stop();
-        delete EMSESP::modbus_;
-        EMSESP::modbus_ = nullptr;
-    }
-    modbus_enabled_     = settings.modbus_enabled;
-    modbus_port_        = settings.modbus_port;
-    modbus_max_clients_ = settings.modbus_max_clients;
-    modbus_timeout_     = settings.modbus_timeout;
 }
 
 // Starts up core services
@@ -631,17 +635,16 @@ void System::start() {
     network_init();  // network
     uart_init();     // start UART
     syslog_init();   // start syslog
+    modbus_init();   // start modbus
 }
 
 // button single click
 void System::button_OnClick(PButton & b) {
     LOG_NOTICE("Button pressed - single click");
 
-#if defined(EMSESP_TEST)
 #ifndef EMSESP_STANDALONE
     // show filesystem
-    Test::listDir(LittleFS, "/", 3);
+    listDir("/", 3);
-#endif
 #endif
 }
 
@@ -3378,6 +3381,24 @@ void System::remove_gpio(uint8_t pin, bool also_system) {
     }
 }
 
+// remove a gpio that has 0 for disable
+void System::remove_optional_gpio(uint8_t pin) {
+    if (pin) {
+        remove_gpio(pin, false);
+    }
+}
+
+// set unused gpios to default state input high-Z
+void System::reset_unused_gpios() {
+    for (const auto & pin : valid_system_gpios_) {
+        auto it = std::find_if(used_gpios_.begin(), used_gpios_.end(), [pin](const GpioUsage & usage) { return usage.pin == pin; });
+        if (it == used_gpios_.end()) {
+            LOG_DEBUG("reset pin %d", pin);
+            pinMode(pin, INPUT);
+        }
+    }
+}
+
 // return a list of GPIO's available for use
 std::vector<uint8_t> System::available_gpios() {
     std::vector<uint8_t> gpios;
@@ -3412,4 +3433,39 @@ void System::restore_snapshot_gpios(std::vector<int8_t> & u_gpios, std::vector<i
     }
 }
 
+// show the contents of a directory in the LittleFS filesystem
+void System::listDir(const char * dirname, uint8_t levels) {
+#if defined(EMSESP_DEBUG)
+#ifndef EMSESP_STANDALONE
+
+    File root = LittleFS.open(dirname);
+    if (!root) {
+        LOG_DEBUG("Failed to open directory %s", dirname);
+        return;
+    }
+    if (!root.isDirectory()) {
+        LOG_DEBUG("%s is not a directory", dirname);
+        return;
+    }
+
+    LOG_DEBUG("(directory) %s", dirname);
+
+    File file = root.openNextFile();
+    while (file) {
+        if (file.isDirectory()) {
+            std::string line = std::string(file.name()) + "/";
+            if (levels) {
+                // prefix a / to the name to make it a full path
+                listDir(("/" + String(file.name())).c_str(), levels - 1);
+            }
+        } else {
+            std::string line = "  (file) " + std::string(file.name()) + " (" + std::to_string(file.size()) + " bytes)";
+            LOG_DEBUG("%s", line.c_str());
+        }
+        file = root.openNextFile();
+    }
+#endif
+#endif
+}
+
 } // namespace emsesp

src/core/system.h

@@ -109,6 +109,8 @@ class System {
     static void        get_value_json(JsonObject output, const std::string & circuit, const std::string & name, JsonVariant val);
     static std::string get_metrics_prometheus();
 
+    static void listDir(const char * dirname, uint8_t levels);
+
 #if defined(EMSESP_TEST)
     static bool command_test(const char * value, const int8_t id);
 #endif
@@ -122,6 +124,7 @@ class System {
     void show_mem(const char * note);
     void store_settings(class WebSettings & settings);
     void syslog_init();
+    void modbus_init();
     bool check_upgrade();
     bool check_restore();
     void heartbeat_json(JsonObject output);
@@ -376,6 +379,8 @@ class System {
 #endif
 
     static void remove_gpio(uint8_t pin, bool also_system = false); // remove a gpio from both valid (optional) and used lists
+    static void remove_optional_gpio(uint8_t pin);
+    static void reset_unused_gpios();
 
     // Partition info map: partition name -> {version, size, install_date}
     std::map<std::string, PartitionInfo, std::less<>, AllocatorPSRAM<std::pair<const std::string, PartitionInfo>>> partition_info_;

src/core/telegram.cpp

@@ -43,6 +43,7 @@ uint8_t  EMSbus::ems_mask_          = EMS_MASK_UNSET; // unset so its triggered
 uint8_t  EMSbus::ems_bus_id_        = EMSESP_DEFAULT_EMS_BUS_ID;
 uint8_t  EMSbus::tx_mode_           = EMSESP_DEFAULT_TX_MODE;
 uint8_t  EMSbus::tx_state_          = Telegram::Operation::NONE;
+bool     EMSbus::isEMS2_            = false;
 
 uuid::log::Logger EMSbus::logger_{F_(telegram), uuid::log::Facility::CONSOLE};
 
@@ -206,7 +207,9 @@ void RxService::add(uint8_t * data, uint8_t length) {
         message_data   = data + 6;
         message_length = length - 7;
     }
-
+    if (type_id > 0x0FF && message_length > 1) { // used for auto tx_mode
+        set_ems2();
+    }
     // if we're watching and "raw" print out actual telegram as bytes to the console
     // including the CRC at the end
     if (EMSESP::watch() == EMSESP::Watch::WATCH_RAW) {

src/core/telegram.h

@@ -168,6 +168,15 @@ class EMSbus {
         return (ems_mask_ == EMS_MASK_HT3);
     }
 
+    static bool is_ems2() {
+        return isEMS2_;
+    }
+
+    static void set_ems2() {
+        isEMS2_ = true;
+        ;
+    }
+
     static uint8_t ems_mask() {
         return ems_mask_;
     }
@@ -242,6 +251,7 @@ class EMSbus {
     static uint8_t  ems_bus_id_;        // the bus id, which configurable and stored in settings
     static uint8_t  tx_mode_;           // local copy of the tx mode
     static uint8_t  tx_state_;          // state of the Tx line (NONE or waiting on a TX_READ or TX_WRITE)
+    static bool     isEMS2_;
 };
 
 class RxService : public EMSbus {

src/devices/thermostat.cpp

@@ -166,7 +166,7 @@ Thermostat::Thermostat(uint8_t device_type, uint8_t device_id, uint8_t product_i
         set2_typeids              = {0x0421, 0x0422, 0x0423, 0x0424};
         summer_typeids            = {0x02AF, 0x02B0, 0x02B1, 0x02B2, 0x02B3, 0x02B4, 0x02B5, 0x02B6};
         curve_typeids             = {0x029B, 0x029C, 0x029D, 0x029E, 0x029F, 0x02A0, 0x02A1, 0x02A2};
-        summer2_typeids           = {0x0470, 0x0471, 0x0472, 0x0473, 0x0474, 0x0475, 0x0476, 0x0477, 0x0478};
+        summer2_typeids           = {0x0471, 0x0472, 0x0473, 0x0474, 0x0475, 0x0476, 0x0477, 0x0478};
         hp_typeids                = {0x0467, 0x0468, 0x0469, 0x046A};
         hpmode_typeids            = {0x0291, 0x0292, 0x0293, 0x0294};
         const size_t monitor_size = monitor_typeids.size();
@@ -207,6 +207,7 @@ Thermostat::Thermostat(uint8_t device_type, uint8_t device_id, uint8_t product_i
         register_telegram_type(0x16E, "Absent", true, MAKE_PF_CB(process_Absent), 1);
         register_telegram_type(0xBF, "ErrorMessage", false, MAKE_PF_CB(process_ErrorMessageBF));
         register_telegram_type(0xC0, "RCErrorMessage", false, MAKE_PF_CB(process_RCErrorMessage2));
+        register_telegram_type(0x470, "RC300Summer2", true, MAKE_PF_CB(process_RC300Summer2), 8);
         EMSESP::send_read_request(0xC0, device_id, 0, 20); // read last errorcode on start (only published on errors)
 
         // JUNKERS/HT3
@@ -1268,8 +1269,14 @@ void Thermostat::process_RC300Summer(std::shared_ptr<const Telegram> telegram) {
 void Thermostat::process_RC300Summer2(std::shared_ptr<const Telegram> telegram) {
     auto hc = heating_circuit(telegram);
     if (hc == nullptr) {
+        // telegram 0x470 see https://github.com/emsesp/EMS-ESP32/issues/2686
+        if (telegram->type_id == 0x470 && telegram->message_length > 2) {
+            hc                 = heating_circuit(1);
+            summer2_typeids[0] = 0x470;
+        } else {
             return;
         }
+    }
     if (hc->statusbyte & 1) {
         has_update(telegram, hc->summersetmode, 0);
         has_update(hc->hpoperatingmode, EMS_VALUE_UINT8_NOTSET);

src/emsesp_version.h

@@ -1 +1 @@
-#define EMSESP_APP_VERSION "3.8.2-dev.19"
+#define EMSESP_APP_VERSION "3.8.2"

src/test/test.cpp

@@ -68,7 +68,7 @@ bool Test::test(const std::string & cmd, int8_t id1, int8_t id2) {
         uart_telegram({0x08, 0x98, 0x33, 0x00, 0x23, 0x24});
 
         // Boiler -> Me, UBAParameterWW(0x33), telegram: 08 0B 33 00 08 FF 34 FB 00 28 00 00 46 00 FF FF 00 (#data=13)
-        uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+        uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
 
         // Thermostat RCPLUSStatusMessage_HC1(0x01A5)
         uart_telegram({0x98, 0x00, 0xFF, 0x00, 0x01, 0xA5, 0x00, 0xCF, 0x21, 0x2E, 0x00, 0x00, 0x2E, 0x24,
@@ -89,7 +89,7 @@ bool Test::test(const std::string & cmd, int8_t id1, int8_t id2) {
 
         add_device(0x08, 219); // Greenstar HIU/Logamax kompakt WS170
 
-        // [emsesp] boiler(0x08) -W-> Me(0x0B), UBAMonitorFastPlus(0xE4), data: 00 01 35 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 80 00 (offset 6)
+        // [emsesp] boiler(0x08) -W-> Me(0x49), UBAMonitorFastPlus(0xE4), data: 00 01 35 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 80 00 (offset 6)
         uart_telegram({0x08, 0x00, 0xE4, 0x00, //
                        00,   01,   0x35, 00,   00, 00, 00, 00, 00, 00, 00, 0x80, 00, 00, 00, 00, 00, 00, 00, 0x80, 00});
 
@@ -112,7 +112,7 @@ bool Test::test(const std::string & cmd, int8_t id1, int8_t id2) {
         uart_telegram({0x08, 0x90, 0x33, 0x00, 0x23, 0x24});
 
         // Boiler -> Me, UBAParameterWW(0x33), telegram: 08 0B 33 00 08 FF 34 FB 00 28 00 00 46 00 FF FF 00 (#data=13)
-        uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+        uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
 
         // Thermostat 0x2A5 for HC1
         uart_telegram({0x10, 00, 0xFF, 00, 01,   0xA5, 0x80, 00, 01, 0x30, 0x28, 00, 0x30, 0x28, 01, 0x54,
@@ -144,7 +144,7 @@ bool Test::test(const std::string & cmd, int8_t id1, int8_t id2) {
         uart_telegram({0x08, 0x90, 0x33, 0x00, 0x23, 0x24});
 
         // Boiler -> Me, UBAParameterWW(0x33), telegram: 08 0B 33 00 08 FF 34 FB 00 28 00 00 46 00 FF FF 00 (#data=13)
-        uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+        uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
 
         // Thermostat 0x2A5 for HC1
         uart_telegram({0x10, 00, 0xFF, 00, 01,   0xA5, 0x80, 00, 01, 0x30, 0x28, 00, 0x30, 0x28, 01, 0x54,
@@ -160,7 +160,7 @@ bool Test::test(const std::string & cmd, int8_t id1, int8_t id2) {
         EMSESP::logger().notice("Adding a Gateway...");
 
         // add 0x48 KM200, via a version command
-        rx_telegram({0x48, 0x0B, 0x02, 0x00, 0xBD, 0x04, 0x06, 00, 00, 00, 00, 00, 00, 00});
+        rx_telegram({0x48, 0x49, 0x02, 0x00, 0xBD, 0x04, 0x06, 00, 00, 00, 00, 00, 00, 00});
 
         // Boiler(0x08) -> All(0x00), UBADevices(0x07), data: 09 01 00 00 00 00 00 00 01 00 00 00 00
         // check: make sure 0x48 is not detected again !
@@ -203,14 +203,14 @@ bool Test::test(const std::string & cmd, int8_t id1, int8_t id2) {
         add_device(0x08, 123); // Nefit Trendline
 
         // UBAuptime
-        uart_telegram({0x08, 0x0B, 0x14, 00, 0x3C, 0x1F, 0xAC, 0x70});
+        uart_telegram({0x08, 0x49, 0x14, 00, 0x3C, 0x1F, 0xAC, 0x70});
 
         // Boiler -> Me, UBAMonitorFast(0x18), telegram: 08 00 18 00 00 02 5A 73 3D 0A 10 65 40 02 1A 80 00 01 E1 01 76 0E 3D 48 00 C9 44 02 00 (#data=25)
         uart_telegram({0x08, 0x00, 0x18, 0x00, 0x00, 0x02, 0x5A, 0x73, 0x3D, 0x0A, 0x10, 0x65, 0x40, 0x02, 0x1A,
                        0x80, 0x00, 0x01, 0xE1, 0x01, 0x76, 0x0E, 0x3D, 0x48, 0x00, 0xC9, 0x44, 0x02, 0x00});
 
         // Boiler -> Me, UBAParameterWW(0x33), telegram: 08 0B 33 00 08 FF 34 FB 00 28 00 00 46 00 FF FF 00 (#data=13)
-        uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+        uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
 
         return true;
     }
@@ -234,10 +234,10 @@ bool Test::test(const std::string & cmd, int8_t id1, int8_t id2) {
         add_device(0x30, 163); // SM100
 
         // SM100Monitor - type 0x0362 EMS+ - for SM100 and SM200
-        uart_telegram({0xB0, 0x0B, 0xFF, 00, 0x02, 0x62, 00, 0x44, 0x02, 0x7A, 0x80, 00, 0x80, 0x00, 0x80, 00,
+        uart_telegram({0xB0, 0x49, 0xFF, 00, 0x02, 0x62, 00, 0x44, 0x02, 0x7A, 0x80, 00, 0x80, 0x00, 0x80, 00,
                        0x80, 00,   0x80, 00, 0x80, 00,   00, 0x7C, 0x80, 00,   0x80, 00, 0x80, 00,   0x80});
 
-        uart_telegram({0xB0, 0x0B, 0xFF, 0x00, 0x02, 0x62, 0x01, 0x44, 0x03, 0x30, 0x80, 00, 0x80, 00, 0x80, 00,
+        uart_telegram({0xB0, 0x49, 0xFF, 0x00, 0x02, 0x62, 0x01, 0x44, 0x03, 0x30, 0x80, 00, 0x80, 00, 0x80, 00,
                        0x80, 00,   0x80, 00,   0x80, 00,   0x80, 00,   0x80, 00,   0x80, 00, 0x80, 00, 0x80, 0x33});
 
         uart_telegram({0xB0, 00, 0xFF, 0x18, 02, 0x62, 0x80, 00, 0xB8});
@@ -450,7 +450,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
 // THESE ONLY WORK WITH AN ESP32, not in standalone/native mode
 #ifndef EMSESP_STANDALONE
     if (command == "ls") {
-        listDir(LittleFS, "/", 3);
+        System::listDir("/", 3);
         ok = true;
     }
 
@@ -580,7 +580,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         add_device(0x09, 206); // Nefit Excellent HR30 Controller
 
         // UBAuptime
-        uart_telegram({0x08, 0x0B, 0x14, 00, 0x3C, 0x1F, 0xAC, 0x70});
+        uart_telegram({0x08, 0x49, 0x14, 00, 0x3C, 0x1F, 0xAC, 0x70});
         ok = true;
     }
 
@@ -588,10 +588,10 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         EMSESP::logger().notice("Testing 620...");
 
         // Version Controller
-        uart_telegram({0x09, 0x0B, 0x02, 0x00, 0x5F, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
+        uart_telegram({0x09, 0x49, 0x02, 0x00, 0x5F, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
 
         // Version Boiler
-        uart_telegram({0x08, 0x0B, 0x02, 0x00, 0x5F, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
+        uart_telegram({0x08, 0x49, 0x02, 0x00, 0x5F, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
         ok = true;
     }
 
@@ -607,7 +607,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
 
         // simulate getting version information back from an unknown device
         // note there is no brand (byte 9)
-        rx_telegram({0x09, 0x0B, 0x02, 0x00, 0x59, 0x09, 0x0a});
+        rx_telegram({0x09, 0x49, 0x02, 0x00, 0x59, 0x09, 0x0a});
 
         shell.invoke_command("show devices");
         shell.invoke_command("call system report");
@@ -618,7 +618,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         shell.printfln("Testing unknown2...");
 
         // simulate getting version information back from an unknown device
-        rx_telegram({0x09, 0x0B, 0x02, 0x00, 0x5A, 0x01, 0x02}); // productID is 90 which doesn't exist
+        rx_telegram({0x09, 0x49, 0x02, 0x00, 0x5A, 0x01, 0x02}); // productID is 90 which doesn't exist
         ok = true;
     }
 
@@ -815,9 +815,9 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         // test("thermostat");
 
         // 0xC2
-        //  [emsesp] Boiler(0x08) -> Me(0x0B), UBAErrorMessage3(0xC2), data: 08 AC 00 10 31 48 30 31 15 80 95 0B 0E 10 38 00 7F FF FF FF 08 AC 00 10 09 41 30
+        //  [emsesp] Boiler(0x08) -> Me(0x49), UBAErrorMessage3(0xC2), data: 08 AC 00 10 31 48 30 31 15 80 95 0B 0E 10 38 00 7F FF FF FF 08 AC 00 10 09 41 30
         uart_telegram(
-            {0x08, 0x0B, 0xC2, 0, 0x08, 0xAC, 00, 0x10, 0x31, 0x48, 0x30, 0x31, 0x15, 0x80, 0x95, 0x0B, 0x0E, 0x10, 0x38, 00, 0x7F, 0xFF, 0xFF, 0xFF});
+            {0x08, 0x49, 0xC2, 0, 0x08, 0xAC, 00, 0x10, 0x31, 0x48, 0x30, 0x31, 0x15, 0x80, 0x95, 0x0B, 0x0E, 0x10, 0x38, 00, 0x7F, 0xFF, 0xFF, 0xFF});
 
         // shell.invoke_command("show values");
 
@@ -1042,7 +1042,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         // Boiler -> Me, UBAParameterWW(0x33)
         // wwseltemp = goes from 52 degrees (0x34) to void (0xFF)
         // it should delete the HA config topic homeassistant/sensor/ems-esp/boiler_wwseltemp/config
-        uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0xFF, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+        uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0xFF, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
 
         shell.invoke_command("call boiler wwseltemp");
         shell.invoke_command("call system publish");
@@ -1795,7 +1795,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         add_device(0x18, 202); // Bosch TC100 - https://github.com/emsesp/EMS-ESP/issues/474
 
         // 0x0A
-        uart_telegram({0x98, 0x0B, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        uart_telegram({0x98, 0x49, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00});
         ok = true;
     }
@@ -1829,10 +1829,10 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
 
         // SM100Monitor - type 0x0362 EMS+ - for SM100 and SM200
         // B0 0B FF 00 02 62 00 44 02 7A 80 00 80 00 80 00 80 00 80 00 80 00 00 7C 80 00 80 00 80 00 80
-        rx_telegram({0xB0, 0x0B, 0xFF, 00, 0x02, 0x62, 00, 0x44, 0x02, 0x7A, 0x80, 00, 0x80, 0x00, 0x80, 00,
+        rx_telegram({0xB0, 0x49, 0xFF, 00, 0x02, 0x62, 00, 0x44, 0x02, 0x7A, 0x80, 00, 0x80, 0x00, 0x80, 00,
                      0x80, 00,   0x80, 00, 0x80, 00,   00, 0x7C, 0x80, 00,   0x80, 00, 0x80, 00,   0x80});
 
-        rx_telegram({0xB0, 0x0B, 0xFF, 0x00, 0x02, 0x62, 0x01, 0x44, 0x03, 0x30, 0x80, 00, 0x80, 00, 0x80, 00,
+        rx_telegram({0xB0, 0x49, 0xFF, 0x00, 0x02, 0x62, 0x01, 0x44, 0x03, 0x30, 0x80, 00, 0x80, 00, 0x80, 00,
                      0x80, 00,   0x80, 00,   0x80, 00,   0x80, 00,   0x80, 00,   0x80, 00, 0x80, 00, 0x80, 0x33});
 
         rx_telegram({0xB0, 00, 0xFF, 0x18, 02, 0x62, 0x80, 00, 0xB8});
@@ -1936,7 +1936,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
     if (command == "rx2") {
         shell.printfln("Testing Rx2...");
         for (uint8_t i = 0; i < 30; i++) {
-            uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+            uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
             ok = true;
         }
     }
@@ -1953,23 +1953,23 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         uart_telegram({0x08, 0x97, 0x33, 0x00, 0x23, 0x24});
 
         // Boiler -> Me, UBAParameterWW(0x33), telegram: 08 0B 33 00 08 FF 34 FB 00 28 00 00 46 00 FF FF 00 (#data=13)
-        uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+        uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
 
         // Thermostat -> Me, RC20StatusMessage(0x91), telegram: 17 0B 91 05 44 45 46 47 (#data=4)
-        uart_telegram({0x17, 0x0B, 0x91, 0x05, 0x44, 0x45, 0x46, 0x47});
+        uart_telegram({0x17, 0x49, 0x91, 0x05, 0x44, 0x45, 0x46, 0x47});
 
         // bad CRC - corrupt telegram - CRC should be 0x8E
-        uint8_t t5[] = {0x17, 0x0B, 0x91, 0x05, 0x44, 0x45, 0x46, 0x47, 0x99};
+        uint8_t t5[] = {0x17, 0x49, 0x91, 0x05, 0x44, 0x45, 0x46, 0x47, 0x99};
         EMSESP::rxservice_.add(t5, sizeof(t5));
 
         // simulating a Tx record
-        uart_telegram({0x0B, 0x88, 0x07, 0x00, 0x20});
+        uart_telegram({0x49, 0x88, 0x07, 0x00, 0x20});
 
         // Version Boiler
-        uart_telegram({0x08, 0x0B, 0x02, 0x00, 0x7B, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04});
+        uart_telegram({0x08, 0x49, 0x02, 0x00, 0x7B, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04});
 
         // Version Thermostat, device_id 0x11
-        uart_telegram({0x11, 0x0B, 0x02, 0x00, 0x4D, 0x03, 0x03});
+        uart_telegram({0x11, 0x49, 0x02, 0x00, 0x4D, 0x03, 0x03});
 
         // Thermostat -> all, telegram: 10 00 FF 00 01 A5 00 D7 21 00 00 00 00 30 01 84 01 01 03 01 84 01 F1 00 00 11 01 00 08 63 00
         // 0x1A5 test ems+
@@ -1987,7 +1987,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         uart_telegram({0x17, 0x08, 0x1A, 0x00, 0x00, 0x00, 0x00, 0x00});
 
         // Thermostat -> Me, RC20Set(0xA8), telegram: 17 0B A8 00 01 00 FF F6 01 06 00 01 0D 01 00 FF FF 01 02 02 02 00 00 05 1F 05 1F 02 0E 00 FF (#data=27)
-        uart_telegram({0x17, 0x0B, 0xA8, 0x00, 0x01, 0x00, 0xFF, 0xF6, 0x01, 0x06, 0x00, 0x01, 0x0D, 0x01, 0x00, 0xFF,
+        uart_telegram({0x17, 0x49, 0xA8, 0x00, 0x01, 0x00, 0xFF, 0xF6, 0x01, 0x06, 0x00, 0x01, 0x0D, 0x01, 0x00, 0xFF,
                        0xFF, 0x01, 0x02, 0x02, 0x02, 0x00, 0x00, 0x05, 0x1F, 0x05, 0x1F, 0x02, 0x0E, 0x00, 0xFF});
 
         //  Boiler(0x08) -> All(0x00), UBAMonitorWW(0x34), data: 36 01 A5 80 00 21 00 00 01 00 01 3E 8D 03 77 91 00 80 00
@@ -2021,7 +2021,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         EMSESP::send_write_request(0x91, 0x17, 0x00, t18, sizeof(t18), 0x00);
 
         // TX - send EMS+
-        const uint8_t t13[] = {0x90, 0x0B, 0xFF, 00, 01,   0xBA, 00,   0x2E, 0x2A, 0x26, 0x1E, 0x03,
+        const uint8_t t13[] = {0x90, 0x49, 0xFF, 00, 01,   0xBA, 00,   0x2E, 0x2A, 0x26, 0x1E, 0x03,
                                00,   0xFF, 0xFF, 05, 0x2A, 01,   0xE1, 0x20, 0x01, 0x0F, 05,   0x2A};
         EMSESP::txservice_.add(Telegram::Operation::TX_RAW, t13, sizeof(t13), 0);
 
@@ -2145,7 +2145,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
         uart_telegram({0x08, 0x98, 0x33, 0x00, 0x23, 0x24});
 
         // Boiler -> Me, UBAParameterWW(0x33), telegram: 08 0B 33 00 08 FF 34 FB 00 28 00 00 46 00 FF FF 00 (#data=13)
-        uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+        uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
 
         // add a thermostat
         add_device(0x18, 157); // Bosch CR100
@@ -2487,7 +2487,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
     if (command == "rx3") {
         shell.printfln("Testing rx3...");
 
-        uart_telegram({0x21, 0x0B, 0xFF, 0x00});
+        uart_telegram({0x21, 0x49, 0xFF, 0x00});
         ok = true;
     }
 
@@ -2495,7 +2495,7 @@ void Test::run_test(uuid::console::Shell & shell, const std::string & cmd, const
     if (command == "tx2") {
         shell.printfln("Testing tx2...");
 
-        uint8_t t[] = {0x0B, 0x88, 0x18, 0x00, 0x20, 0xD4}; // including CRC
+        uint8_t t[] = {0x49, 0x88, 0x18, 0x00, 0x20, 0xD4}; // including CRC
         EMSuart::transmit(t, sizeof(t));
         ok = true;
     }
@@ -2676,45 +2676,6 @@ void Test::add_device(uint8_t device_id, uint8_t product_id) {
     uart_telegram({device_id, EMSESP_DEFAULT_EMS_BUS_ID, EMSdevice::EMS_TYPE_VERSION, 0, product_id, 1, 0});
 }
 
-#ifdef EMSESP_TEST
-#ifndef EMSESP_STANDALONE
-void Test::listDir(fs::FS & fs, const char * dirname, uint8_t levels) {
-    Serial.println();
-    Serial.printf("%s\r\n", dirname);
-
-    File root = fs.open(dirname);
-    if (!root) {
-        Serial.println("- failed to open directory");
-        return;
-    }
-    if (!root.isDirectory()) {
-        Serial.println(" - not a directory");
-        return;
-    }
-
-    File file = root.openNextFile();
-    while (file) {
-        if (file.isDirectory()) {
-            Serial.print(file.name());
-            Serial.println("/");
-            if (levels) {
-                // prefix a / to the name to make it a full path
-                listDir(fs, ("/" + String(file.name())).c_str(), levels - 1);
-            }
-            Serial.println();
-        } else {
-            Serial.print(" ");
-            Serial.print(file.name());
-            Serial.print(" (");
-            Serial.print(file.size());
-            Serial.println(" bytes)");
-        }
-        file = root.openNextFile();
-    }
-}
-#endif
-#endif
-
 } // namespace emsesp
 
 #endif

src/test/test.h

@@ -80,7 +80,6 @@ class Test {
     static void uart_telegram_withCRC(const char * rx_data);
     static void add_device(uint8_t device_id, uint8_t product_id);
     static void refresh();
-    static void listDir(fs::FS & fs, const char * dirname, uint8_t levels);
 };
 
 } // namespace emsesp

src/uart/emsuart_esp32.cpp

@@ -149,8 +149,10 @@ uint8_t EMSuart::transmit(const uint8_t * buf, const uint8_t len) {
         return EMS_TX_STATUS_OK;
     }
 
+    auto tx_mode = tx_mode_ != EMS_TXMODE_AUTO ? tx_mode_ : EMSbus::is_ht3() ? EMS_TXMODE_HT3 : EMSbus::is_ems2() ? EMS_TXMODE_EMSPLUS : EMS_TXMODE_EMS;
+
     // TXMODE is EMS+ with long delay
-    if (tx_mode_ == EMS_TXMODE_EMSPLUS) {
+    if (tx_mode == EMS_TXMODE_EMSPLUS) {
         for (uint8_t i = 0; i < len; i++) {
             uart_write_bytes(EMSUART_NUM, &buf[i], 1);
             delayMicroseconds(EMSUART_TX_WAIT_PLUS);
@@ -160,7 +162,7 @@ uint8_t EMSuart::transmit(const uint8_t * buf, const uint8_t len) {
     }
 
     // TXMODE is HT3 with 7 bittimes delay
-    if (tx_mode_ == EMS_TXMODE_HT3) {
+    if (tx_mode == EMS_TXMODE_HT3) {
         for (uint8_t i = 0; i < len; i++) {
             uart_write_bytes(EMSUART_NUM, &buf[i], 1);
             delayMicroseconds(EMSUART_TX_WAIT_HT3);

src/uart/emsuart_esp32.h

@@ -42,10 +42,11 @@
 
 #define EMS_TXMODE_INIT 0xFF
 #define EMS_TXMODE_OFF 0
-#define EMS_TXMODE_DEFAULT 1
+#define EMS_TXMODE_EMS 1
 #define EMS_TXMODE_EMSPLUS 2
 #define EMS_TXMODE_HT3 3
 #define EMS_TXMODE_HW 4
+#define EMS_TXMODE_AUTO 5
 
 // LEGACY
 #define EMSUART_TX_BIT_TIME 104 // bit time @9600 baud

src/web/WebCustomEntityService.cpp

@@ -166,7 +166,9 @@ StateUpdateResult WebCustomEntity::update(JsonObject root, WebCustomEntity & web
 bool WebCustomEntityService::command_setvalue(const char * value, const int8_t id, const char * name) {
     // don't write if there is no value, to prevent setting an empty value by mistake when parsing attributes
     if (!strlen(value)) {
+#if defined(EMSESP_DEBUG)
         EMSESP::logger().debug("can't set empty value!");
+#endif
         return false;
     }
 

src/web/WebSchedulerService.cpp

@@ -465,7 +465,9 @@ void WebSchedulerService::condition() {
             } else if (match.length() == 1 && match[0] == '0' && scheduleItem.retry_cnt == 1) {
                 scheduleItem.retry_cnt = 0xFF;
             } else if (match.length() != 1) { // the match is not boolean
+#if defined(EMSESP_DEBUG)
                 EMSESP::logger().debug("condition result: %s", match.c_str());
+#endif
             }
         }
     }

src/web/WebSettingsService.cpp

@@ -20,7 +20,7 @@
 
 namespace emsesp {
 
-uint8_t WebSettings::flags_ = 0;
+uint16_t WebSettings::flags_ = 0;
 
 WebSettingsService::WebSettingsService(AsyncWebServer * server, FS * fs, SecurityManager * securityManager)
     : _httpEndpoint(WebSettings::read, WebSettings::update, this, server, EMSESP_SETTINGS_SERVICE_PATH, securityManager)
@@ -114,11 +114,11 @@ StateUpdateResult WebSettings::update(JsonObject root, WebSettings & settings) {
     reset_flags();
 
     // before loading new board profile free old gpios from used list to allow remapping
-    EMSESP::system_.remove_gpio(original_settings.led_gpio);
+    EMSESP::system_.remove_optional_gpio(original_settings.led_gpio);
-    EMSESP::system_.remove_gpio(original_settings.dallas_gpio);
+    EMSESP::system_.remove_optional_gpio(original_settings.dallas_gpio);
     EMSESP::system_.remove_gpio(original_settings.pbutton_gpio);
-    EMSESP::system_.remove_gpio(original_settings.rx_gpio);
+    EMSESP::system_.remove_optional_gpio(original_settings.rx_gpio);
-    EMSESP::system_.remove_gpio(original_settings.tx_gpio);
+    EMSESP::system_.remove_optional_gpio(original_settings.tx_gpio);
 
     // see if the user has changed the board profile
     // this will set: led_gpio, dallas_gpio, rx_gpio, tx_gpio, pbutton_gpio, phy_type, eth_power, eth_phy_addr, eth_clock_mode, led_type
@@ -243,13 +243,13 @@ StateUpdateResult WebSettings::update(JsonObject root, WebSettings & settings) {
 
     // Modbus settings
     settings.modbus_enabled = root["modbus_enabled"] | EMSESP_DEFAULT_MODBUS_ENABLED;
-    check_flag(original_settings.modbus_enabled, settings.modbus_enabled, ChangeFlags::RESTART);
+    check_flag(original_settings.modbus_enabled, settings.modbus_enabled, ChangeFlags::MODBUS);
     settings.modbus_port = root["modbus_port"] | EMSESP_DEFAULT_MODBUS_PORT;
-    check_flag(original_settings.modbus_port, settings.modbus_port, ChangeFlags::RESTART);
+    check_flag(original_settings.modbus_port, settings.modbus_port, ChangeFlags::MODBUS);
     settings.modbus_max_clients = root["modbus_max_clients"] | EMSESP_DEFAULT_MODBUS_MAX_CLIENTS;
-    check_flag(original_settings.modbus_max_clients, settings.modbus_max_clients, ChangeFlags::RESTART);
+    check_flag(original_settings.modbus_max_clients, settings.modbus_max_clients, ChangeFlags::MODBUS);
     settings.modbus_timeout = root["modbus_timeout"] | EMSESP_DEFAULT_MODBUS_TIMEOUT;
-    check_flag(original_settings.modbus_timeout, settings.modbus_timeout, ChangeFlags::RESTART);
+    check_flag(original_settings.modbus_timeout, settings.modbus_timeout, ChangeFlags::MODBUS);
 
     //
     // these may need mqtt restart to rebuild HA discovery topics
@@ -372,7 +372,11 @@ void WebSettingsService::onUpdate() {
         Mqtt::reset_mqtt(); // reload MQTT, init HA etc
     }
 
+    if (WebSettings::has_flags(WebSettings::ChangeFlags::MODBUS)) {
+        EMSESP::system_.modbus_init();
+    }
     WebSettings::reset_flags();
+    EMSESP::system_.reset_unused_gpios();
 }
 
 void WebSettingsService::begin() {
@@ -523,7 +527,7 @@ void WebSettings::set_board_profile(WebSettings & settings) {
 }
 
 // returns true if the value was changed
-bool WebSettings::check_flag(int prev_v, int new_v, uint8_t flag) {
+bool WebSettings::check_flag(int prev_v, int new_v, uint16_t flag) {
     if (prev_v != new_v) {
         add_flags(flag);
 #if defined(EMSESP_DEBUG)
@@ -534,11 +538,11 @@ bool WebSettings::check_flag(int prev_v, int new_v, uint8_t flag) {
     return false;
 }
 
-void WebSettings::add_flags(uint8_t flags) {
+void WebSettings::add_flags(uint16_t flags) {
     flags_ |= flags;
 }
 
-bool WebSettings::has_flags(uint8_t flags) {
+bool WebSettings::has_flags(uint16_t flags) {
     return (flags_ & flags) == flags;
 }
 
@@ -546,7 +550,7 @@ void WebSettings::reset_flags() {
     flags_ = ChangeFlags::NONE;
 }
 
-uint8_t WebSettings::get_flags() {
+uint16_t WebSettings::get_flags() {
     return flags_;
 }
 

src/web/WebSettingsService.h

@@ -88,7 +88,7 @@ class WebSettings {
     static void              read(WebSettings & settings, JsonObject root);
     static StateUpdateResult update(JsonObject root, WebSettings & settings);
 
-    enum ChangeFlags : uint8_t {
+    enum ChangeFlags : uint16_t {
         NONE               = 0,
         UART               = (1 << 0), // 1 - uart
         SYSLOG             = (1 << 1), // 2 - syslog
@@ -98,19 +98,20 @@ class WebSettings {
         LED                = (1 << 5), // 32 - led
         BUTTON             = (1 << 6), // 64 - button
         MQTT               = (1 << 7), // 128 - mqtt
-        RESTART            = 0xFF      // 255 - restart request (all changes)
+        MODBUS             = (1 << 8), // 256 - modbus
+        RESTART            = 0xFFFF    // restart request (all changes)
     };
 
-    static bool    check_flag(int prev_v, int new_v, uint8_t flag);
+    static bool     check_flag(int prev_v, int new_v, uint16_t flag);
-    static void    add_flags(uint8_t flags);
+    static void     add_flags(uint16_t flags);
-    static bool    has_flags(uint8_t flags);
+    static bool     has_flags(uint16_t flags);
     static void     reset_flags();
-    static uint8_t get_flags();
+    static uint16_t get_flags();
 
   private:
     static void set_board_profile(WebSettings & settings);
 
-    static uint8_t flags_;
+    static uint16_t flags_;
 };
 
 class WebSettingsService : public StatefulService<WebSettings> {

test/test_api/test_api.cpp

@@ -132,7 +132,7 @@ void uart_telegram(const char * rx_data) {
 
 // add an EMS device and register it
 void add_device(uint8_t device_id, uint8_t product_id) {
-    uart_telegram({device_id, 0x0B, EMSdevice::EMS_TYPE_VERSION, 0, product_id, 1, 0});
+    uart_telegram({device_id, 0x49, EMSdevice::EMS_TYPE_VERSION, 0, product_id, 1, 0});
 }
 
 // add our EMS test devices
@@ -143,14 +143,14 @@ void add_devices() {
     add_device(0x08, 123); // Nefit Trendline
 
     // UBAuptime
-    uart_telegram({0x08, 0x0B, 0x14, 00, 0x3C, 0x1F, 0xAC, 0x70});
+    uart_telegram({0x08, 0x49, 0x14, 00, 0x3C, 0x1F, 0xAC, 0x70});
 
     // Boiler -> Me, UBAMonitorFast(0x18), telegram: 08 00 18 00 00 02 5A 73 3D 0A 10 65 40 02 1A 80 00 01 E1 01 76 0E 3D 48 00 C9 44 02 00 (#data=25)
     uart_telegram({0x08, 0x00, 0x18, 0x00, 0x00, 0x02, 0x5A, 0x73, 0x3D, 0x0A, 0x10, 0x65, 0x40, 0x02, 0x1A,
                    0x80, 0x00, 0x01, 0xE1, 0x01, 0x76, 0x0E, 0x3D, 0x48, 0x00, 0xC9, 0x44, 0x02, 0x00});
 
-    // Boiler -> Me, UBAParameterWW(0x33), telegram: 08 0B 33 00 08 FF 34 FB 00 28 00 00 46 00 FF FF 00 (#data=13)
+    // Boiler -> Me, UBAParameterWW(0x33), telegram: 08 49 33 00 08 FF 34 FB 00 28 00 00 46 00 FF FF 00 (#data=13)
-    uart_telegram({0x08, 0x0B, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
+    uart_telegram({0x08, 0x49, 0x33, 0x00, 0x08, 0xFF, 0x34, 0xFB, 0x00, 0x28, 0x00, 0x00, 0x46, 0x00, 0xFF, 0xFF, 0x00});
 
     //
     // thermostat

test/test_api/test_api.h

@@ -228,7 +228,7 @@ void test_23() {
         "\"temperatureSensorReads\":0,\"temperatureSensorFails\":0},\"analog\":{\"enabled\":true,\"analogSensors\":5,\"analogSensorReads\":0,"
         "\"analogSensorFails\":0},\"api\":{\"APICalls\":0,\"APIFails\":0},\"bus\":{\"busStatus\":\"connected\",\"busProtocol\":\"Buderus\","
         "\"busTelegramsReceived\":8,\"busReads\":0,\"busWrites\":0,\"busIncompleteTelegrams\":0,\"busReadsFailed\":0,\"busWritesFailed\":0,"
-        "\"busRxLineQuality\":100,\"busTxLineQuality\":100},\"settings\":{\"boardProfile\":\"S32\",\"locale\":\"en\",\"txMode\":1,\"emsBusID\":11,"
+        "\"busRxLineQuality\":100,\"busTxLineQuality\":100},\"settings\":{\"boardProfile\":\"S32\",\"locale\":\"en\",\"txMode\":5,\"emsBusID\":73,"
         "\"showerTimer\":false,\"showerMinDuration\":180,\"showerAlert\":false,\"hideLed\":false,\"noTokenApi\":false,\"readonlyMode\":false,\"fahrenheit\":"
         "false,\"dallasParasite\":false,\"boolFormat\":1,\"boolDashboard\":1,\"enumFormat\":1,\"analogEnabled\":true,\"telnetEnabled\":true,"
         "\"maxWebLogBuffer\":25,\"modbusEnabled\":false,\"forceHeatingOff\":false,\"developerMode\":false},\"devices\":[{\"type\":\"boiler\",\"name\":\"My "
@@ -259,7 +259,7 @@ void test_24() {
         "\"temperatureSensorReads\":0,\"temperatureSensorFails\":0},\"analog\":{\"enabled\":true,\"analogSensors\":5,\"analogSensorReads\":0,"
         "\"analogSensorFails\":0},\"api\":{\"APICalls\":0,\"APIFails\":0},\"bus\":{\"busStatus\":\"connected\",\"busProtocol\":\"Buderus\","
         "\"busTelegramsReceived\":8,\"busReads\":0,\"busWrites\":0,\"busIncompleteTelegrams\":0,\"busReadsFailed\":0,\"busWritesFailed\":0,"
-        "\"busRxLineQuality\":100,\"busTxLineQuality\":100},\"settings\":{\"boardProfile\":\"S32\",\"locale\":\"en\",\"txMode\":1,\"emsBusID\":11,"
+        "\"busRxLineQuality\":100,\"busTxLineQuality\":100},\"settings\":{\"boardProfile\":\"S32\",\"locale\":\"en\",\"txMode\":5,\"emsBusID\":73,"
         "\"showerTimer\":false,\"showerMinDuration\":180,\"showerAlert\":false,\"hideLed\":false,\"noTokenApi\":false,\"readonlyMode\":false,\"fahrenheit\":"
         "false,\"dallasParasite\":false,\"boolFormat\":1,\"boolDashboard\":1,\"enumFormat\":1,\"analogEnabled\":true,\"telnetEnabled\":true,"
         "\"maxWebLogBuffer\":25,\"modbusEnabled\":false,\"forceHeatingOff\":false,\"developerMode\":false},\"devices\":[{\"type\":\"boiler\",\"name\":\"My "
@@ -330,8 +330,8 @@ void test_25() {
         "gauge\\nemsesp_bus_buswritesfailed 0\\n# HELP emsesp_bus_busrxlinequality busRxLineQuality\\n# TYPE emsesp_bus_busrxlinequality "
         "gauge\\nemsesp_bus_busrxlinequality 100\\n# HELP emsesp_bus_bustxlinequality busTxLineQuality\\n# TYPE emsesp_bus_bustxlinequality "
         "gauge\\nemsesp_bus_bustxlinequality 100\\n# HELP emsesp_bus_info info\\n# TYPE emsesp_bus_info gauge\\nemsesp_bus_info{busstatus=\\\"connected\\\", "
-        "busprotocol=\\\"Buderus\\\"} 1\\n# HELP emsesp_settings_txmode txMode\\n# TYPE emsesp_settings_txmode gauge\\nemsesp_settings_txmode 1\\n# HELP "
+        "busprotocol=\\\"Buderus\\\"} 1\\n# HELP emsesp_settings_txmode txMode\\n# TYPE emsesp_settings_txmode gauge\\nemsesp_settings_txmode 5\\n# HELP "
-        "emsesp_settings_emsbusid emsBusID\\n# TYPE emsesp_settings_emsbusid gauge\\nemsesp_settings_emsbusid 11\\n# HELP emsesp_settings_showertimer "
+        "emsesp_settings_emsbusid emsBusID\\n# TYPE emsesp_settings_emsbusid gauge\\nemsesp_settings_emsbusid 73\\n# HELP emsesp_settings_showertimer "
         "showerTimer\\n# TYPE emsesp_settings_showertimer gauge\\nemsesp_settings_showertimer 0\\n# HELP emsesp_settings_showerminduration "
         "showerMinDuration\\n# TYPE emsesp_settings_showerminduration gauge\\nemsesp_settings_showerminduration 180\\n# HELP emsesp_settings_showeralert "
         "showerAlert\\n# TYPE emsesp_settings_showeralert gauge\\nemsesp_settings_showeralert 0\\n# HELP emsesp_settings_hideled hideLed\\n# TYPE "