docs: update changelog and header for version v1.5.12-beta7

CHANGELOG.md

@@ -1,5 +1,35 @@
 # Changelog
 
+## [1.5.12-beta7] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta7
+
+### Fixed
+- improve API state handling and vendor name formatting
+
+
+## [1.5.12-beta6] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta6
+- improve task synchronization in vendor, filament, and spool creation functions
+
+
+## [1.5.12-beta5] - 2025-08-29
+### Added
+- enhance NDEF decoding with detailed validation and debugging output
+
+### Changed
+- update platformio.ini for beta version v1.5.12-beta5
+
+
+## [1.5.12-beta4] - 2025-08-29
+### Added
+- enhance NDEF decoding to validate structure and extract JSON payload
+
+### Changed
+- update platformio.ini for beta version v1.5.12-beta4
+
+
 ## [1.5.12-beta3] - 2025-08-29
 ### Added
 - add logging for decoded JSON data in NFC processing

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.5.12-beta3"
+version = "1.5.12-beta7"
 to_old_version = "1.5.0"
 
 ##

src/api.cpp

@@ -121,7 +121,7 @@ void sendToApi(void *parameter) {
 
     // Wait until API is IDLE
     while(spoolmanApiState != API_IDLE){
-        Serial.println("Waiting!");
+        vTaskDelay(100 / portTICK_PERIOD_MS);
         yield();
     }
     spoolmanApiState = API_TRANSMITTING;
@@ -616,6 +616,7 @@ bool updateSpoolBambuData(String payload) {
 uint16_t createVendor(String vendor) {
     // Create new vendor in Spoolman database using task system
     // Note: Due to async nature, the ID will be stored in createdVendorId global variable
+    // Note: This function assumes that the caller has already ensured API is IDLE
     createdVendorId = 0; // Reset previous value
     
     String spoolsUrl = spoolmanUrl + apiUrl + "/vendor";
@@ -645,19 +646,18 @@ uint16_t createVendor(String vendor) {
     params->spoolsUrl = spoolsUrl;
     params->updatePayload = vendorPayload;
 
-    // Check if API is idle before creating task
-    if(spoolmanApiState == API_IDLE){
-        // Erstelle die Task
-        BaseType_t result = xTaskCreate(
-            sendToApi,                // Task-Funktion
-            "SendToApiTask",          // Task-Name
-            6144,                     // Stackgröße in Bytes
-            (void*)params,            // Parameter
-            0,                        // Priorität
-            NULL                      // Task-Handle (nicht benötigt)
-        );
-    } else {
-        Serial.println("Not spawning new task, API still active!");
+    // Create task without additional API state check since caller ensures synchronization
+    BaseType_t result = xTaskCreate(
+        sendToApi,                // Task-Funktion
+        "SendToApiTask",          // Task-Name
+        6144,                     // Stackgröße in Bytes
+        (void*)params,            // Parameter
+        0,                        // Priorität
+        NULL                      // Task-Handle (nicht benötigt)
+    );
+
+    if (result != pdPASS) {
+        Serial.println("Failed to create vendor task!");
         delete params;
         vendorDoc.clear();
         return 0;
@@ -678,7 +678,10 @@ uint16_t checkVendor(String vendor) {
     // Check if vendor exists using task system
     foundVendorId = 0; // Reset previous value
     
-    String spoolsUrl = spoolmanUrl + apiUrl + "/vendor?name=" + vendor;
+    String vendorName = vendor;
+    vendorName.trim();
+    vendorName.replace(" ", "+");
+    String spoolsUrl = spoolmanUrl + apiUrl + "/vendor?name=" + vendorName;
     Serial.print("Check vendor with URL: ");
     Serial.println(spoolsUrl);
 
@@ -736,6 +739,7 @@ uint16_t checkVendor(String vendor) {
 uint16_t createFilament(uint16_t vendorId, const JsonDocument& payload) {
     // Create new filament in Spoolman database using task system
     // Note: Due to async nature, the ID will be stored in createdFilamentId global variable
+    // Note: This function assumes that the caller has already ensured API is IDLE
     createdFilamentId = 0; // Reset previous value
     
     String spoolsUrl = spoolmanUrl + apiUrl + "/filament";
@@ -749,7 +753,7 @@ uint16_t createFilament(uint16_t vendorId, const JsonDocument& payload) {
     filamentDoc["material"] = payload["type"].as<String>();
     filamentDoc["density"] = (payload["density"].is<String>() && payload["density"].as<String>().length() > 0) ? payload["density"].as<String>() : "1.24";
     filamentDoc["diameter"] = (payload["diameter"].is<String>() && payload["diameter"].as<String>().length() > 0) ? payload["diameter"].as<String>() : "1.75";
-    filamentDoc["weight"] = payload["weight"].as<String>();
+    filamentDoc["weight"] = String(weight);
     filamentDoc["spool_weight"] = payload["spool_weight"].as<String>();
     filamentDoc["article_number"] = payload["artnr"].as<String>();
     filamentDoc["extruder_temp"] = payload["extruder_temp"].is<String>() ? payload["extruder_temp"].as<String>() : "";
@@ -790,19 +794,18 @@ uint16_t createFilament(uint16_t vendorId, const JsonDocument& payload) {
     params->spoolsUrl = spoolsUrl;
     params->updatePayload = filamentPayload;
 
-    // Check if API is idle before creating task
-    if(spoolmanApiState == API_IDLE){
-        // Erstelle die Task
-        BaseType_t result = xTaskCreate(
-            sendToApi,                // Task-Funktion
-            "SendToApiTask",          // Task-Name
-            6144,                     // Stackgröße in Bytes
-            (void*)params,            // Parameter
-            0,                        // Priorität
-            NULL                      // Task-Handle (nicht benötigt)
-        );
-    } else {
-        Serial.println("Not spawning new task, API still active!");
+    // Create task without additional API state check since caller ensures synchronization
+    BaseType_t result = xTaskCreate(
+        sendToApi,                // Task-Funktion
+        "SendToApiTask",          // Task-Name
+        6144,                     // Stackgröße in Bytes
+        (void*)params,            // Parameter
+        0,                        // Priorität
+        NULL                      // Task-Handle (nicht benötigt)
+    );
+
+    if (result != pdPASS) {
+        Serial.println("Failed to create filament task!");
         delete params;
         filamentDoc.clear();
         return 0;
@@ -881,6 +884,7 @@ uint16_t checkFilament(uint16_t vendorId, const JsonDocument& payload) {
 uint16_t createSpool(uint16_t vendorId, uint16_t filamentId, JsonDocument& payload, String uidString) {
     // Create new spool in Spoolman database using task system
     // Note: Due to async nature, the ID will be stored in createdSpoolId global variable
+    // Note: This function assumes that the caller has already ensured API is IDLE
     createdSpoolId = 0; // Reset previous value
     
     String spoolsUrl = spoolmanUrl + apiUrl + "/spool";
@@ -918,19 +922,18 @@ uint16_t createSpool(uint16_t vendorId, uint16_t filamentId, JsonDocument& paylo
     params->spoolsUrl = spoolsUrl;
     params->updatePayload = spoolPayload;
 
-    // Check if API is idle before creating task
-    if(spoolmanApiState == API_IDLE){
-        // Erstelle die Task
-        BaseType_t result = xTaskCreate(
-            sendToApi,                // Task-Funktion
-            "SendToApiTask",          // Task-Name
-            6144,                     // Stackgröße in Bytes
-            (void*)params,            // Parameter
-            0,                        // Priorität
-            NULL                      // Task-Handle (nicht benötigt)
-        );
-    } else {
-        Serial.println("Not spawning new task, API still active!");
+    // Create task without additional API state check since caller ensures synchronization
+    BaseType_t result = xTaskCreate(
+        sendToApi,                // Task-Funktion
+        "SendToApiTask",          // Task-Name
+        6144,                     // Stackgröße in Bytes
+        (void*)params,            // Parameter
+        0,                        // Priorität
+        NULL                      // Task-Handle (nicht benötigt)
+    );
+
+    if (result != pdPASS) {
+        Serial.println("Failed to create spool task!");
         delete params;
         return 0;
     }
@@ -941,7 +944,7 @@ uint16_t createSpool(uint16_t vendorId, uint16_t filamentId, JsonDocument& paylo
         vTaskDelay(100 / portTICK_PERIOD_MS);
     }
 
-    // daten mit startWriteJsonToTag schreiben
+    // Write data to tag with startWriteJsonToTag
     // void startWriteJsonToTag(const bool isSpoolTag, const char* payload);
     payload["sm_id"].set(String(createdSpoolId));
     

src/nfc.cpp

@@ -206,18 +206,169 @@ uint8_t ntag2xx_WriteNDEF(const char *payload) {
 bool decodeNdefAndReturnJson(const byte* encodedMessage, String uidString) {
   oledShowProgressBar(1, octoEnabled?5:4, "Reading", "Decoding data");
 
-  byte typeLength = encodedMessage[3];
-  byte payloadLength = encodedMessage[4];
+  // Debug: Print first 32 bytes of the raw data
+  Serial.println("Raw NDEF data (first 32 bytes):");
+  for (int i = 0; i < 32; i++) {
+    if (encodedMessage[i] < 0x10) Serial.print("0");
+    Serial.print(encodedMessage[i], HEX);
+    Serial.print(" ");
+    if ((i + 1) % 16 == 0) Serial.println();
+  }
+  Serial.println();
+
+  // Look for the NDEF TLV structure starting from the beginning
+  int tlvOffset = 0;
+  bool foundNdefTlv = false;
+  
+  // Search for NDEF TLV (0x03) in the first few bytes
+  for (int i = 0; i < 16; i++) {
+    if (encodedMessage[i] == 0x03) {
+      tlvOffset = i;
+      foundNdefTlv = true;
+      Serial.print("Found NDEF TLV at offset: ");
+      Serial.println(tlvOffset);
+      break;
+    }
+  }
+
+  if (!foundNdefTlv) {
+    Serial.println("No NDEF TLV found in tag data");
+    return false;
+  }
+
+  // Get the NDEF message length from TLV
+  uint16_t ndefMessageLength = 0;
+  int ndefRecordOffset = 0;
+  
+  if (encodedMessage[tlvOffset + 1] == 0xFF) {
+    // Extended length format: next 2 bytes contain the actual length
+    ndefMessageLength = (encodedMessage[tlvOffset + 2] << 8) | encodedMessage[tlvOffset + 3];
+    ndefRecordOffset = tlvOffset + 4; // Skip TLV tag + 0xFF + 2 length bytes
+    Serial.print("NDEF Message Length (extended): ");
+  } else {
+    // Standard length format: single byte contains the length
+    ndefMessageLength = encodedMessage[tlvOffset + 1];
+    ndefRecordOffset = tlvOffset + 2; // Skip TLV tag + 1 length byte
+    Serial.print("NDEF Message Length (standard): ");
+  }
+  Serial.println(ndefMessageLength);
+
+  // Get pointer to NDEF record
+  const byte* ndefRecord = &encodedMessage[ndefRecordOffset];
+  
+  // Parse NDEF record header
+  byte recordHeader = ndefRecord[0];
+  byte typeLength = ndefRecord[1];
+  
+  Serial.print("NDEF Record Header: 0x");
+  Serial.println(recordHeader, HEX);
+  Serial.print("Type Length: ");
+  Serial.println(typeLength);
+
+  // Determine payload length (can be 1 or 4 bytes depending on SR flag)
+  uint32_t payloadLength = 0;
+  byte payloadLengthBytes = 1;
+  byte payloadLengthOffset = 2;
+  
+  // Check if Short Record (SR) flag is set (bit 4)
+  if (recordHeader & 0x10) { // SR flag
+    payloadLength = ndefRecord[2];
+    payloadLengthBytes = 1;
+    payloadLengthOffset = 2;
+  } else {
+    // Long record format (4 bytes for payload length)
+    payloadLength = (ndefRecord[2] << 24) | (ndefRecord[3] << 16) | 
+                   (ndefRecord[4] << 8) | ndefRecord[5];
+    payloadLengthBytes = 4;
+    payloadLengthOffset = 2;
+  }
+
+  Serial.print("Payload Length: ");
+  Serial.println(payloadLength);
+  Serial.print("Payload Length Bytes: ");
+  Serial.println(payloadLengthBytes);
+
+  // Check for ID field (if IL flag is set)
+  byte idLength = 0;
+  if (recordHeader & 0x08) { // IL flag
+    idLength = ndefRecord[payloadLengthOffset + payloadLengthBytes];
+    Serial.print("ID Length: ");
+    Serial.println(idLength);
+  }
+
+  // Calculate offset to payload
+  byte payloadOffset = 1 + 1 + payloadLengthBytes + typeLength + idLength;
+  
+  Serial.print("Calculated payload offset: ");
+  Serial.println(payloadOffset);
+
+  // Verify we have enough data
+  if (payloadOffset + payloadLength > ndefMessageLength) {
+    Serial.println("Invalid NDEF structure - payload extends beyond message");
+    Serial.print("Payload offset + length: ");
+    Serial.print(payloadOffset + payloadLength);
+    Serial.print(", NDEF message length: ");
+    Serial.println(ndefMessageLength);
+    return false;
+  }
+
+  // Print the record type for debugging
+  Serial.print("Record Type: ");
+  for (int i = 0; i < typeLength; i++) {
+    Serial.print((char)ndefRecord[1 + 1 + payloadLengthBytes + i]);
+  }
+  Serial.println();
 
   nfcJsonData = "";
 
-  for (int i = 2; i < payloadLength+2; i++) 
-  {
-    nfcJsonData += (char)encodedMessage[3 + typeLength + i];
+  // Extract JSON payload with validation
+  uint32_t actualJsonLength = 0;
+  for (uint32_t i = 0; i < payloadLength; i++) {
+    byte currentByte = ndefRecord[payloadOffset + i];
+    
+    // Stop at null terminator or if we find the end of JSON
+    if (currentByte == 0x00) {
+      Serial.print("Found null terminator at position: ");
+      Serial.println(i);
+      break;
+    }
+    
+    // Only add printable characters and common JSON characters
+    if (currentByte >= 32 && currentByte <= 126) {
+      nfcJsonData += (char)currentByte;
+      actualJsonLength++;
+    } else {
+      Serial.print("Skipping non-printable byte at position ");
+      Serial.print(i);
+      Serial.print(": 0x");
+      Serial.println(currentByte, HEX);
+    }
+    
+    // Check if we've reached the end of a JSON object
+    if (currentByte == '}') {
+      // Count opening and closing braces to detect complete JSON
+      int braceCount = 0;
+      for (uint32_t j = 0; j <= i; j++) {
+        if (ndefRecord[payloadOffset + j] == '{') braceCount++;
+        else if (ndefRecord[payloadOffset + j] == '}') braceCount--;
+      }
+      
+      if (braceCount == 0) {
+        Serial.print("Found complete JSON object at position: ");
+        Serial.println(i);
+        actualJsonLength = i + 1;
+        break;
+      }
+    }
   }
 
+  Serial.print("Actual JSON length extracted: ");
+  Serial.println(actualJsonLength);
   Serial.println("Decoded JSON Data:");
   Serial.println(nfcJsonData);
+  
+  // Trim any trailing whitespace or invalid characters
+  nfcJsonData.trim();
 
   // JSON-Dokument verarbeiten
   JsonDocument doc;
@@ -522,6 +673,18 @@ void scanRfidTask(void * parameter) {
         Serial.println("Tag entfernt");
         if (!bambuCredentials.autosend_enable) oledShowWeight(weight);
       }
+      // Reset state after successful read when tag is removed
+      else if (!success && nfcReaderState == NFC_READ_SUCCESS)
+      {
+        nfcReaderState = NFC_IDLE;
+        Serial.println("Tag nach erfolgreichem Lesen entfernt - bereit für nächsten Tag");
+      }
+
+      // Add a longer pause after successful reading to prevent immediate re-reading
+      if (nfcReaderState == NFC_READ_SUCCESS) {
+        Serial.println("Tag erfolgreich gelesen - warte 5 Sekunden vor nächstem Scan");
+        vTaskDelay(5000 / portTICK_PERIOD_MS); // 5 second pause
+      }
 
       // aktualisieren der Website wenn sich der Status ändert
       sendNfcData();

src/scale.cpp

@@ -48,8 +48,10 @@ void scale_loop(void * parameter) {
   Serial.println("Scale Loop started");
   Serial.println("++++++++++++++++++++++++++++++");
 
+  vTaskDelay(pdMS_TO_TICKS(500));
   scale.tare();
-
+  vTaskDelay(pdMS_TO_TICKS(500));
+  
   for(;;) {
     if (scale.is_ready()) 
     {