docs: update changelog and header for version v1.4.10

Fix memory leak issue in HTTPClient

CHANGELOG.md

@@ -1,5 +1,63 @@
 # Changelog
 
+## [1.4.10] - 2025-03-30
+### Added
+- add manual tare functionality for scale
+- add debounce handling for TTP223 touch sensor
+- add TTP223 touch sensor support and wiring configuration
+
+### Changed
+- update platformio.ini for version v1.4.10
+
+### Fixed
+- update TTP223 pin configuration and adjust touch sensor logic
+
+
+## [1.4.9] - 2025-03-29
+### Changed
+- update platformio.ini for version v1.4.9
+
+### Fixed
+- enhance HTTP method handling in sendToApi function
+
+
+## [1.4.8] - 2025-03-29
+### Changed
+- update platformio.ini for version v1.4.8
+- Merge pull request #30 from janecker/main
+- Merge branch 'testing' into main
+
+### Fixed
+- improve HTTP client configuration and clear update documents after API calls
+- Fixes memory leak in HTTPClient by disabling connection reuse
+- update reload logic after removing and saving Bambu credentials for better cache handling
+
+
+## [1.4.7] - 2025-03-27
+### Added
+- add forced cache refresh after removing and saving Bambu credentials
+- add functionality to remove Bambu credentials and update API handling
+- add rfid_bambu.html and update bambu connection handling
+
+### Changed
+- update platformio.ini for version v1.4.7
+- Merge branch 'testing'
+- update remove button for Bambu credentials with red background
+- Merge pull request #28 from tugsi/main
+
+### Fixed
+- handle Bambu connection state by introducing bambuDisabled flag
+- Fix rfid.js-Failure with X1-Series, if you wanna send a Spool to AMS:  - Uncaught TypeError: Cannot read properties of undefined (reading 'replace')     at handleSpoolIn (rfid.js:493:67)     at HTMLButtonElement.onclick ((Index):1:1) handleSpoolIn	@	rfid.js:493 onclick	@	(Index):1
+
+
+## [1.4.6] - 2025-03-26
+### Changed
+- update platformio.ini for version v1.4.6
+
+### Fixed
+- handle potential undefined value for tray_info_idx in handleSpoolIn function, by @tugsi
+
+
 ## [1.4.5] - 2025-03-25
 ### Changed
 - update platformio.ini for version v1.4.5

README.de.md

@@ -55,19 +55,22 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 ## Hardware-Anforderungen
 
 ### Komponenten
-- **ESP32 Entwicklungsboard:** Jede ESP32-Variante.
+- **ESP32 Development Board:** Any ESP32 variant.
-[Amazon Link](https://amzn.eu/d/aXThslf)
+[Amazon Link](https://amzn.to/3FHea6D)
-- **HX711 5kg Wägezellen-Verstärker:** Für Gewichtsmessung.
+- **HX711 5kg Load Cell Amplifier:** For weight measurement.
-[Amazon Link](https://amzn.eu/d/06A0DLb)
+[Amazon Link](https://amzn.to/4ja1KTe)
-- **OLED 0.96 Zoll I2C weiß/gelb Display:** 128x64 SSD1306.
+- **OLED 0.96 Zoll I2C white/yellow Display:** 128x64 SSD1306.
-[Amazon Link](https://amzn.eu/d/0AuBp2c)
+[Amazon Link](https://amzn.to/445aaa9)
-- **PN532 NFC NXP RFID-Modul V3:** Für NFC-Tag-Operationen.
+- **PN532 NFC NXP RFID-Modul V3:** For NFC tag operations.
-[Amazon Link](https://amzn.eu/d/jfIuQXb)
+[Amazon Link](https://amzn.to/4iO6CO4)
-- **NFC Tags NTAG213 NTA215:** RFID Tag
+- **NFC Tags NTAG213 NTAG215:** RFID Tag
-[Amazon Link](https://amzn.eu/d/9Z6mXc1)
+[Amazon Link](https://amzn.to/3E071xO)
+- **TTP223 Touch Sensor (optional):** For reTARE per Button/Touch
+[Amazon Link](https://amzn.to/4hTChMK)
 
-### Pin-Konfiguration
+
-| Komponente        | ESP32 Pin |
+### Pin Konfiguration
+| Component          | ESP32 Pin |
 |-------------------|-----------|
 | HX711 DOUT        | 16        |
 | HX711 SCK         | 17        |
@@ -77,8 +80,10 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 | PN532 RESET       | 33        |
 | PN532 SDA         | 21        |
 | PN532 SCL         | 22        |
+| TTP223 I/O        | 25        |
 
-**Achte darauf, dass am PN532 die DIP-Schalter auf I2C gestellt sind**
+**!! Achte darauf, dass am PN532 die DIP-Schalter auf I2C gestellt sind**
+**Nutze den 3V Pin vom ESP für den Touch Sensor**
 
 ![Wiring](./img/Schaltplan.png)
 

README.md

@@ -60,15 +60,17 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 
 ### Components
 - **ESP32 Development Board:** Any ESP32 variant.
-[Amazon Link](https://amzn.eu/d/aXThslf)
+[Amazon Link](https://amzn.to/3FHea6D)
 - **HX711 5kg Load Cell Amplifier:** For weight measurement.
-[Amazon Link](https://amzn.eu/d/06A0DLb)
+[Amazon Link](https://amzn.to/4ja1KTe)
 - **OLED 0.96 Zoll I2C white/yellow Display:** 128x64 SSD1306.
-[Amazon Link](https://amzn.eu/d/0AuBp2c)
+[Amazon Link](https://amzn.to/445aaa9)
 - **PN532 NFC NXP RFID-Modul V3:** For NFC tag operations.
-[Amazon Link](https://amzn.eu/d/jfIuQXb)
+[Amazon Link](https://amzn.to/4iO6CO4)
 - **NFC Tags NTAG213 NTAG215:** RFID Tag
-[Amazon Link](https://amzn.eu/d/9Z6mXc1)
+[Amazon Link](https://amzn.to/3E071xO)
+- **TTP223 Touch Sensor (optional):** For reTARE per Button/Touch
+[Amazon Link](https://amzn.to/4hTChMK)
 
 
 ### Pin Configuration
@@ -82,8 +84,10 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 | PN532 RESET       | 33        |
 | PN532 SDA         | 21        |
 | PN532 SCL         | 22        |
+| TTP223 I/O        | 25        |
 
-**Make sure that the DIP switches on the PN532 are set to I2C**
+**!! Make sure that the DIP switches on the PN532 are set to I2C**
+**Use the 3V pin from the ESP for the touch sensor**
 
 ![Wiring](./img/Schaltplan.png)
 

html/spoolman.html

@@ -57,6 +57,31 @@
             toggleOctoFields();
         };
 
+        function removeBambuCredentials() {
+            fetch('/api/bambu?remove=true')
+                .then(response => response.json())
+                .then(data => {
+                    if (data.success) {
+                        document.getElementById('bambuIp').value = '';
+                        document.getElementById('bambuSerial').value = '';
+                        document.getElementById('bambuCode').value = '';
+                        document.getElementById('autoSend').checked = false;
+                        document.getElementById('autoSendTime').value = '';
+                        document.getElementById('bambuStatusMessage').innerText = 'Bambu Credentials removed!';
+                        // Reload with forced cache refresh after short delay
+                        setTimeout(() => {
+                            window.location.reload(true);
+                            window.location.href = '/';
+                        }, 1500);
+                    } else {
+                        document.getElementById('bambuStatusMessage').innerText = 'Error while removing Bambu Credentials.';
+                    }
+                })
+                .catch(error => {
+                    document.getElementById('bambuStatusMessage').innerText = 'Error while removing: ' + error.message;
+                });
+        }
+
         function checkSpoolmanInstance() {
             const url = document.getElementById('spoolmanUrl').value;
             const spoolmanOctoEnabled = document.getElementById('spoolmanOctoEnabled').checked;
@@ -89,6 +114,11 @@
                 .then(data => {
                     if (data.healthy) {
                         document.getElementById('bambuStatusMessage').innerText = 'Bambu Credentials saved!';
+                        // Reload with forced cache refresh after short delay
+                        setTimeout(() => {
+                            window.location.reload(true);
+                            window.location.href = '/';
+                        }, 1500);
                     } else {
                         document.getElementById('bambuStatusMessage').innerText = 'Error while saving Bambu Credentials.';
                     }
@@ -162,6 +192,7 @@
                     </div>
 
                     <button style="margin: 0;" onclick="saveBambuCredentials()">Save Bambu Credentials</button>
+                    <button style="margin: 0; background-color: red;" onclick="removeBambuCredentials()">Remove Credentials</button>
                     <p id="bambuStatusMessage"></p>
                 </div>
             </div>

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.4.5"
+version = "1.4.10"
 to_old_version = "1.4.0"
 
 ##

src/api.cpp

@@ -94,13 +94,16 @@ void sendToApi(void *parameter) {
     String octoToken = params->octoToken;    
 
     HTTPClient http;
+    http.setReuse(false);
+
     http.begin(spoolsUrl);
     http.addHeader("Content-Type", "application/json");
     if (octoEnabled && octoToken != "") http.addHeader("X-Api-Key", octoToken);
 
-    int httpCode = http.PUT(updatePayload);
+    int httpCode;
     if (httpType == "PATCH") httpCode = http.PATCH(updatePayload);
-    if (httpType == "POST") httpCode = http.POST(updatePayload);
+    else if (httpType == "POST") httpCode = http.POST(updatePayload);
+    else httpCode = http.PUT(updatePayload);
 
     if (httpCode == HTTP_CODE_OK) {
         Serial.println("Spoolman erfolgreich aktualisiert");
@@ -111,6 +114,7 @@ void sendToApi(void *parameter) {
     }
 
     http.end();
+    vTaskDelay(50 / portTICK_PERIOD_MS);
 
     // Speicher freigeben
     delete params;
@@ -165,6 +169,8 @@ bool updateSpoolTagId(String uidString, const char* payload) {
         NULL                      // Task-Handle (nicht benötigt)
     );
 
+    updateDoc.clear();
+
     return true;
 }
 
@@ -201,6 +207,8 @@ uint8_t updateSpoolWeight(String spoolId, uint16_t weight) {
         NULL                      // Task-Handle (nicht benötigt)
     );
 
+    updateDoc.clear();
+
     return 1;
 }
 
@@ -238,6 +246,8 @@ bool updateSpoolOcto(int spoolId) {
         NULL                      // Task-Handle (nicht benötigt)
     );
 
+    updateDoc.clear();
+
     return true;
 }
 

src/bambu.cpp

@@ -38,6 +38,32 @@ int ams_count = 0;
 String amsJsonData;  // Speichert das fertige JSON für WebSocket-Clients
 AMSData ams_data[MAX_AMS];  // Definition des Arrays;
 
+bool removeBambuCredentials() {
+    if (BambuMqttTask) {
+        vTaskDelete(BambuMqttTask);
+    }
+    
+    if (!removeJsonValue("/bambu_credentials.json")) {
+        Serial.println("Fehler beim Löschen der Bambu-Credentials.");
+        return false;
+    }
+    // Löschen der globalen Variablen
+    g_bambu_ip = "";
+    g_bambu_accesscode = "";
+    g_bambu_serialnr = "";
+    bambu_ip = nullptr;
+    bambu_accesscode = nullptr;
+    bambu_serialnr = nullptr;
+    autoSendToBambu = false;
+    autoSetToBambuSpoolId = 0;
+    ams_count = 0;
+    amsJsonData = "";
+
+    bambuDisabled = true;
+
+    return true;
+}
+
 bool saveBambuCredentials(const String& ip, const String& serialnr, const String& accesscode, bool autoSend, const String& autoSendTime) {
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);

src/bambu.h

@@ -32,6 +32,7 @@ extern bool autoSendToBambu;
 extern int autoSetToBambuSpoolId;
 extern bool bambuDisabled;
 
+bool removeBambuCredentials();
 bool loadBambuCredentials();
 bool saveBambuCredentials(const String& bambu_ip, const String& bambu_serialnr, const String& bambu_accesscode, const bool autoSend, const String& autoSendTime);
 bool setupMqtt();

src/commonFS.cpp

@@ -1,6 +1,20 @@
 #include "commonFS.h"
 #include <LittleFS.h>
 
+bool removeJsonValue(const char* filename) {
+    File file = LittleFS.open(filename, "r");
+    if (!file) {
+        return true;
+    }
+    file.close();
+    if (!LittleFS.remove(filename)) {
+        Serial.print("Fehler beim Löschen der Datei: ");
+        Serial.println(filename);
+        return false;
+    }
+    return true;
+}
+
 bool saveJsonValue(const char* filename, const JsonDocument& doc) {
     File file = LittleFS.open(filename, "w");
     if (!file) {

src/commonFS.h

@@ -5,6 +5,7 @@
 #include <ArduinoJson.h>
 #include <LittleFS.h>
 
+bool removeJsonValue(const char* filename);
 bool saveJsonValue(const char* filename, const JsonDocument& doc);
 bool loadJsonValue(const char* filename, JsonDocument& doc);
 void initializeFileSystem();

src/config.cpp

@@ -19,6 +19,12 @@ const uint16_t SCALE_LEVEL_WEIGHT = 500;
 uint16_t defaultScaleCalibrationValue = 430;
 // ***** HX711
 
+// ***** TTP223 (Touch Sensor)
+// TTP223 circuit wiring
+const uint8_t TTP223_PIN = 25;
+// ***** TTP223
+
+
 // ***** Display
 // Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
 // On an ESP32:   21(SDA),  22(SCL)

src/config.h

@@ -11,6 +11,8 @@ extern const uint8_t LOADCELL_SCK_PIN;
 extern const uint8_t calVal_eepromAdress;
 extern const uint16_t SCALE_LEVEL_WEIGHT;
 
+extern const uint8_t TTP223_PIN;
+
 extern const int8_t OLED_RESET;
 extern const uint8_t SCREEN_ADDRESS;
 extern const uint8_t SCREEN_WIDTH;

src/main.cpp

@@ -39,7 +39,6 @@ void setup() {
   setupWebserver(server);
 
   // Spoolman API
-  // api.cpp
   initSpoolman();
 
   // Bambu MQTT
@@ -48,6 +47,7 @@ void setup() {
   // NFC Reader
   startNfc();
 
+  // Scale
   start_scale();
 
   // WDT initialisieren mit 10 Sekunden Timeout
@@ -56,6 +56,9 @@ void setup() {
 
   // Aktuellen Task (loopTask) zum Watchdog hinzufügen
   esp_task_wdt_add(NULL);
+
+  // Touch Sensor
+  pinMode(TTP223_PIN, INPUT_PULLUP);
 }
 
 
@@ -84,13 +87,25 @@ uint8_t autoAmsCounter = 0;
 uint8_t weightSend = 0;
 int16_t lastWeight = 0;
 
+// WIFI check variables
 unsigned long lastWifiCheckTime = 0;
 const unsigned long wifiCheckInterval = 60000; // Überprüfe alle 60 Sekunden (60000 ms)
 
+// Button debounce variables
+unsigned long lastButtonPress = 0;
+const unsigned long debounceDelay = 500; // 500 ms debounce delay
+
 // ##### PROGRAM START #####
 void loop() {
   unsigned long currentMillis = millis();
 
+  // Überprüfe den Status des Touch Sensors
+  if (digitalRead(TTP223_PIN) == HIGH && currentMillis - lastButtonPress > debounceDelay) 
+  {
+    lastButtonPress = currentMillis;
+    scaleTareRequest = true;
+  }
+
   // Überprüfe regelmäßig die WLAN-Verbindung
   if (intervalElapsed(currentMillis, lastWifiCheckTime, wifiCheckInterval)) 
   {
@@ -158,25 +173,6 @@ void loop() {
   {
     lastWeightReadTime = currentMillis;
 
-    // Prüfen ob die Waage korrekt genullt ist
-    if ((weight > 0 && weight < 5) || weight < -1)
-    {
-      if(scaleTareCounter < 5)
-      {
-        scaleTareCounter++;
-      }
-      else
-      {
-        scaleTareRequest = true;
-        scaleTareCounter = 0;
-      }
-      
-    }
-    else
-    {
-      scaleTareCounter = 0;
-    }
-
     // Prüfen ob das Gewicht gleich bleibt und dann senden
     if (weight == lastWeight && weight > 5)
     {

src/scale.cpp

@@ -38,11 +38,15 @@ void scale_loop(void * parameter) {
   for(;;) {
     if (scale.is_ready()) 
     {
-      // Waage nochmal Taren, wenn zu lange Abweichung
+      // Waage manuell Taren
       if (scaleTareRequest == true) 
       {
         Serial.println("Re-Tare scale");
+        oledShowMessage("TARE Scale");
+        vTaskDelay(pdMS_TO_TICKS(1000));
         scale.tare();
+        vTaskDelay(pdMS_TO_TICKS(1000));
+        oledShowWeight(0);
         scaleTareRequest = false;
       }
 

src/website.cpp

@@ -313,6 +313,15 @@ void setupWebserver(AsyncWebServer &server) {
 
     // Route für das Überprüfen der Bambu-Instanz
     server.on("/api/bambu", HTTP_GET, [](AsyncWebServerRequest *request){
+        if (request->hasParam("remove")) {
+            if (removeBambuCredentials()) {
+                request->send(200, "application/json", "{\"success\": true}");
+            } else {
+                request->send(500, "application/json", "{\"success\": false, \"error\": \"Fehler beim Löschen der Bambu-Credentials\"}");
+            }
+            return;
+        }
+
         if (!request->hasParam("bambu_ip") || !request->hasParam("bambu_serialnr") || !request->hasParam("bambu_accesscode")) {
             request->send(400, "application/json", "{\"success\": false, \"error\": \"Missing parameter\"}");
             return;