fix: adjust tare weight tolerance to ignore deviations of 2g

CHANGELOG.md

@@ -1,5 +1,35 @@
 # Changelog
 
+## [1.5.1] - 2025-03-30
+### Changed
+- update version to 1.5.1 and improve OTA update handling with task management
+
+
+## [1.4.14] - 2025-03-30
+### Added
+- add auto-tare functionality and update scale handling based on touch sensor connection
+
+### Changed
+- update platformio.ini for version v1.4.14
+
+
+## [1.4.13] - 2025-03-30
+### Changed
+- update platformio.ini for version v1.4.13
+
+### Fixed
+- update touch sensor connection logic to correctly identify connection status
+
+
+## [1.4.12] - 2025-03-30
+### Added
+- add touch sensor connection check and update logic
+
+### Changed
+- update platformio.ini for version v1.4.12
+- update README files to clarify PN532 DIP switch settings
+
+
 ## [1.4.11] - 2025-03-30
 ### Added
 - Renamed states of NFC state machine and introduced new state machine for spoolman API

README.de.md

@@ -82,7 +82,7 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 | 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

@@ -86,7 +86,7 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 | 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/waage.html

@@ -55,6 +55,7 @@
                 <h5 class="card-title">Sacle Calibration</h5>
                 <button id="calibrateBtn" class="btn btn-primary">Calibrate Scale</button>
                 <button id="tareBtn" class="btn btn-secondary">Tare Scale</button>
+                &nbsp;&nbsp;&nbsp;Enable Auto-TARE <input type="checkbox" id="autoTareCheckbox" onchange="setAutoTare(this.checked);" {{autoTare}}>
                 <div id="statusMessage" class="mt-3"></div>
             </div>
         </div>
@@ -140,6 +141,15 @@
             }));
         });
 
+        // Add auto-tare function
+        function setAutoTare(enabled) {
+            ws.send(JSON.stringify({
+                type: 'scale',
+                payload: 'setAutoTare',
+                enabled: enabled
+            }));
+        }
+
         // WebSocket-Verbindung beim Laden der Seite initiieren
         connectWebSocket();
     </script>

platformio.ini

@@ -9,8 +9,8 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.4.11"
-to_old_version = "1.4.0"
+version = "1.5.1"
+to_old_version = "1.5.0"
 
 ##
 [env:esp32dev]

scripts/gzip_files.py

@@ -14,7 +14,7 @@ def copy_file(input_file, output_file):
 
 def should_compress(file):
      # Skip compression for spoolman.html
-    if file == 'spoolman.html':
+    if file == 'spoolman.html' or file == 'waage.html':
         return False
     # Komprimiere nur bestimmte Dateitypen
     return file.endswith(('.js', '.png', '.css', '.html'))

src/main.cpp

@@ -15,6 +15,7 @@
 
 bool mainTaskWasPaused = 0;
 uint8_t scaleTareCounter = 0;
+bool touchSensorConnected = false;
 
 // ##### SETUP #####
 void setup() {
@@ -47,8 +48,16 @@ void setup() {
   // NFC Reader
   startNfc();
 
+  // Touch Sensor
+  pinMode(TTP223_PIN, INPUT_PULLUP);
+  if (digitalRead(TTP223_PIN) == LOW) 
+  {
+    Serial.println("Touch Sensor is connected");
+    touchSensorConnected = true;
+  }
+
   // Scale
-  start_scale();
+  start_scale(touchSensorConnected);
 
   // WDT initialisieren mit 10 Sekunden Timeout
   bool panic = true; // Wenn true, löst ein WDT-Timeout einen System-Panik aus
@@ -56,9 +65,6 @@ void setup() {
 
   // Aktuellen Task (loopTask) zum Watchdog hinzufügen
   esp_task_wdt_add(NULL);
-
-  // Touch Sensor
-  pinMode(TTP223_PIN, INPUT_PULLUP);
 }
 
 
@@ -100,7 +106,7 @@ void loop() {
   unsigned long currentMillis = millis();
 
   // Überprüfe den Status des Touch Sensors
-  if (digitalRead(TTP223_PIN) == HIGH && currentMillis - lastButtonPress > debounceDelay) 
+  if (touchSensorConnected && digitalRead(TTP223_PIN) == HIGH && currentMillis - lastButtonPress > debounceDelay) 
   {
     lastButtonPress = currentMillis;
     scaleTareRequest = true;
@@ -173,8 +179,19 @@ void loop() {
   {
     lastWeightReadTime = currentMillis;
 
+    // Prüfen ob die Waage korrekt genullt ist
+    // Abweichung von 2g ignorieren
+    if (autoTare && (weight > 2 && weight < 7) || weight < -2)
+    {
+      scale_tare_counter++;
+    }
+    else
+    {
+      scale_tare_counter = 0;
+    }
+
     // Prüfen ob das Gewicht gleich bleibt und dann senden
-    if (weight == lastWeight && weight > 5)
+    if (abs(weight - lastWeight) <= 2 && weight > 5)
     {
       weigthCouterToApi++;
     } 

src/ota.cpp

@@ -1,6 +1,10 @@
 #include <Arduino.h>
 #include <website.h>
 #include <commonFS.h>
+#include "scale.h"
+#include "bambu.h"
+#include "nfc.h"
+
 
 // Globale Variablen für Config Backups hinzufügen
 String bambuCredentialsBackup;
@@ -151,6 +155,25 @@ void handleUpdate(AsyncWebServer &server) {
 
     updateHandler->onUpload([](AsyncWebServerRequest *request, String filename,
                              size_t index, uint8_t *data, size_t len, bool final) {
+
+        // Disable all Tasks
+        if (BambuMqttTask != NULL) 
+        {
+            Serial.println("Delete BambuMqttTask");
+            vTaskDelete(BambuMqttTask);
+            BambuMqttTask = NULL;
+        }
+        if (ScaleTask) {
+            Serial.println("Delete ScaleTask");
+            vTaskDelete(ScaleTask);
+            ScaleTask = NULL;
+        }
+        if (RfidReaderTask) {
+            Serial.println("Delete RfidReaderTask");
+            vTaskDelete(RfidReaderTask);
+            RfidReaderTask = NULL;
+        }
+
         if (!index) {
             updateTotalSize = request->contentLength();
             updateWritten = 0;
@@ -159,9 +182,9 @@ void handleUpdate(AsyncWebServer &server) {
             if (isSpiffsUpdate) {
                 // Backup vor dem Update
                 sendUpdateProgress(0, "backup", "Backing up configurations...");
-                delay(200);
+                vTaskDelay(200 / portTICK_PERIOD_MS);
                 backupJsonConfigs();
-                delay(200);
+                vTaskDelay(200 / portTICK_PERIOD_MS);
                 
                 const esp_partition_t *partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_SPIFFS, NULL);
                 if (!partition || !Update.begin(partition->size, U_SPIFFS)) {
@@ -169,14 +192,14 @@ void handleUpdate(AsyncWebServer &server) {
                     return;
                 }
                 sendUpdateProgress(5, "starting", "Starting SPIFFS update...");
-                delay(200);
+                vTaskDelay(200 / portTICK_PERIOD_MS);
             } else {
                 if (!Update.begin(updateTotalSize)) {
                     request->send(400, "application/json", "{\"success\":false,\"message\":\"Update initialization failed\"}");
                     return;
                 }
                 sendUpdateProgress(0, "starting", "Starting firmware update...");
-                delay(200);
+                vTaskDelay(200 / portTICK_PERIOD_MS);
             }
         }
 
@@ -202,7 +225,7 @@ void handleUpdate(AsyncWebServer &server) {
             if (currentProgress != lastProgress && (currentProgress % 10 == 0 || final)) {
                 sendUpdateProgress(currentProgress, "uploading");
                 oledShowMessage("Update: " + String(currentProgress) + "%");
-                delay(50);
+                vTaskDelay(50 / portTICK_PERIOD_MS);
                 lastProgress = currentProgress;
             }
         }

src/scale.cpp

@@ -14,6 +14,7 @@ TaskHandle_t ScaleTask;
 int16_t weight = 0;
 
 uint8_t weigthCouterToApi = 0;
+uint8_t scale_tare_counter = 0;
 bool scaleTareRequest = false;
 uint8_t pauseMainTask = 0;
 uint8_t scaleCalibrated = 1;
@@ -21,8 +22,23 @@ uint8_t scaleCalibrated = 1;
 Preferences preferences;
 const char* NVS_NAMESPACE = "scale";
 const char* NVS_KEY_CALIBRATION = "cal_value";
+const char* NVS_KEY_AUTOTARE = "auto_tare";
+bool autoTare = true;
 
 // ##### Funktionen für Waage #####
+uint8_t setAutoTare(bool autoTareValue) {
+  Serial.print("Set AutoTare to ");
+  Serial.println(autoTareValue);
+  autoTare = autoTareValue;
+
+  // Speichern mit NVS
+  preferences.begin(NVS_NAMESPACE, false); // false = readwrite
+  preferences.putBool(NVS_KEY_AUTOTARE, autoTare);
+  preferences.end();
+
+  return 1;
+}
+
 uint8_t tareScale() {
   Serial.println("Tare scale");
   scale.tare();
@@ -38,6 +54,14 @@ void scale_loop(void * parameter) {
   for(;;) {
     if (scale.is_ready()) 
     {
+      // Waage automatisch Taren, wenn zu lange Abweichung
+      if (autoTare && scale_tare_counter >= 5) 
+      {
+        Serial.println("Auto Tare scale");
+        scale.tare();
+        scale_tare_counter = 0;
+      }
+
       // Waage manuell Taren
       if (scaleTareRequest == true) 
       {
@@ -57,13 +81,20 @@ void scale_loop(void * parameter) {
   }
 }
 
-void start_scale() {
+void start_scale(bool touchSensorConnected) {
   Serial.println("Prüfe Calibration Value");
   float calibrationValue;
 
   // NVS lesen
   preferences.begin(NVS_NAMESPACE, true); // true = readonly
   calibrationValue = preferences.getFloat(NVS_KEY_CALIBRATION, defaultScaleCalibrationValue);
+  
+  // auto Tare
+  // Wenn Touch Sensor verbunden, dann autoTare auf false setzen
+  // Danach prüfen was in NVS gespeichert ist
+  autoTare = (touchSensorConnected) ? false : true;
+  autoTare = preferences.getBool(NVS_KEY_AUTOTARE, autoTare);
+
   preferences.end();
 
   Serial.print("Read Scale Calibration Value ");

src/scale.h

@@ -4,17 +4,19 @@
 #include <Arduino.h>
 #include "HX711.h"
 
-
-uint8_t start_scale();
+uint8_t setAutoTare(bool autoTareValue);
+uint8_t start_scale(bool touchSensorConnected);
 uint8_t calibrate_scale();
 uint8_t tareScale();
 
 extern HX711 scale;
 extern int16_t weight;
 extern uint8_t weigthCouterToApi;
+extern uint8_t scale_tare_counter;
 extern uint8_t scaleTareRequest;
 extern uint8_t pauseMainTask;
 extern uint8_t scaleCalibrated;
+extern bool autoTare;
 
 extern TaskHandle_t ScaleTask;
 

src/website.cpp

@@ -75,6 +75,10 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventTyp
                 success = calibrate_scale();
             }
 
+            if (doc["payload"] == "setAutoTare") {
+                success = setAutoTare(doc["enabled"].as<bool>());
+            }
+
             if (success) {
                 ws.textAll("{\"type\":\"scale\",\"payload\":\"success\"}");
             } else {
@@ -203,10 +207,14 @@ void setupWebserver(AsyncWebServer &server) {
     // Route für Waage
     server.on("/waage", HTTP_GET, [](AsyncWebServerRequest *request){
         Serial.println("Anfrage für /waage erhalten");
-        AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/waage.html.gz", "text/html");
-        response->addHeader("Content-Encoding", "gzip");
-        response->addHeader("Cache-Control", CACHE_CONTROL);
-        request->send(response);
+        //AsyncWebServerResponse *response = request->beginResponse(LittleFS, "/waage.html.gz", "text/html");
+        //response->addHeader("Content-Encoding", "gzip");
+        //response->addHeader("Cache-Control", CACHE_CONTROL);
+
+        String html = loadHtmlWithHeader("/waage.html");
+        html.replace("{{autoTare}}", (autoTare) ? "checked" : "");
+
+        request->send(200, "text/html", html);
     });
 
     // Route für RFID