docs: update changelog and header for version v2.0.0-beta1

- Removed unused function for getting current date in ISO8601 format.
- Updated JSON key names in filament and spool creation to use shorter identifiers.
- Enhanced NFC interface reset procedure with detailed logging and retry mechanisms.
- Improved stability checks after write operations to ensure NFC interface readiness.
- Added comprehensive error handling and diagnostics for NFC read/write operations.
- Streamlined the quick spool ID check to optimize performance and reliability.

.gitignore

@@ -32,6 +32,7 @@ test/README
 data/*
 !data/
 !data/.gitkeep
+# important
 html/bambu_credentials.json
 html/spoolman_url.json
 _local/*

CHANGELOG.md

@@ -1,5 +1,437 @@
 # Changelog
 
+## [2.0.0-beta1] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v2.0.0-beta1
+- update version to 2.0.0 in platformio.ini
+
+
+## [1.5.12-beta18] - 2025-08-29
+### Added
+- add display delay for vendor, filament, and spool creation processes
+
+### Changed
+- update platformio.ini for beta version v1.5.12-beta18
+
+### Fixed
+- replace progress bar with message display for remaining weight in sendToApi function
+
+
+## [1.5.12-beta17] - 2025-08-29
+### Added
+- add progress bar updates for vendor and filament creation processes
+
+### Changed
+- update platformio.ini for beta version v1.5.12-beta17
+- optimize page limit detection and remove redundant verification code
+
+### Fixed
+- update vendor check to use shorthand key in payload
+
+
+## [1.5.12-beta16] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta16
+- Refactor NFC interface handling and improve error diagnostics
+
+
+## [1.5.12-beta15] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta15
+- enhance NFC write operation diagnostics and improve error handling
+- enhance NFC write operation handling and prevent tag operations during write
+
+
+## [1.5.12-beta14] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta14
+- optimize JSON payload structure and enhance NFC tag validation process
+
+
+## [1.5.12-beta13] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta13
+- reorganize clearUserDataArea function for improved clarity and safety
+
+
+## [1.5.12-beta12] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta12
+
+### Fixed
+- reset NFC state on API send failure to allow retry
+- update createdFilamentId reset value to 65535 for better task handling
+- update createdVendorId reset value to 65535 for improved API handling
+
+
+## [1.5.12-beta11] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta11
+
+### Fixed
+- update spoolman ID reset values to 65535 for better API response detection
+
+
+## [1.5.12-beta10] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta10
+- streamline task creation in checkVendor and checkFilament functions
+
+
+## [1.5.12-beta9] - 2025-08-29
+### Added
+- update vendor and filament ID handling to use NULL and add delays for stability
+
+### Changed
+- update platformio.ini for beta version v1.5.12-beta9
+
+
+## [1.5.12-beta8] - 2025-08-29
+### Added
+- add delay to ensure proper setting of vendor and filament IDs after API state changes
+
+### Changed
+- update platformio.ini for beta version v1.5.12-beta8
+
+### Fixed
+- correct color_hex key usage and comment out unused date fields in spool creation
+
+
+## [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
+
+### Changed
+- update platformio.ini for beta version v1.5.12-beta3
+
+
+## [1.5.12-beta2] - 2025-08-29
+### Changed
+- update platformio.ini for beta version v1.5.12-beta2
+
+### Fixed
+- enhance filament creation logic to include dynamic comments based on payload
+
+
+## [1.5.12-beta1] - 2025-08-28
+### Added
+- implement filament and spool creation in Spoolman API
+- Add JSON structure comments for filament and spool creation
+- Add vendor and filament management to API; implement recycling factory handling in NFC
+
+### Changed
+- update platformio.ini for beta version v1.5.12-beta1
+- Merge branch 'main' into recyclingfabrik
+- Merge branch 'main' into recyclingfabrik
+
+
+## [1.5.12] - 2025-08-28
+### Added
+- add numbering to update sections in upgrade.html refactor: improve readability of checkSpoolmanInstance function
+
+### Changed
+- update platformio.ini for version v1.5.12
+- clean up library dependencies in platformio.ini
+
+
+## [1.5.11-beta4] - 2025-08-28
+### Changed
+- update platformio.ini for beta version v1.5.11-beta4
+
+### Fixed
+- remove debug logging from checkSpoolmanInstance function
+
+
+## [1.5.11-beta3] - 2025-08-28
+### Added
+- add logging for spoolman status in checkSpoolmanInstance function
+
+### Changed
+- update platformio.ini for beta version v1.5.11-beta3
+
+
+## [1.5.11-beta2] - 2025-08-28
+### Added
+- add logging for healthy spoolman instance check
+
+### Changed
+- update platformio.ini for beta version v1.5.11-beta2
+
+
+## [1.5.11-beta1] - 2025-08-28
+### Changed
+- update platformio.ini for beta version v1.5.11-beta1
+
+### Fixed
+- adjust spacing in loop structure and enable tare function in scale loop
+
+
+## [1.5.11] - 2025-08-27
+### Changed
+- update platformio.ini for version v1.5.11
+
+
+## [1.5.10] - 2025-08-27
+### Added
+- improve weight processing logic and add auto-send feature for Bambu spool ID
+- improve weight processing logic and add auto-send feature for Bambu spool ID
+- Adds a link to the spool in spoolman when reading a spool tag
+- Fixes types and some issues in the new graphics
+- Adds ENABLE_HEAP_DEBUGGING define as comment to the build flags
+- Adds data directory and further .vscode files to to .gitignore
+- Introduces new heap debugging feature and fixes some memory leaks in website feature
+- Fixes some issues with the new location tags
+- Adds new feature to write and read location tags
+- Adds slight debouncing to the scale loop weight logic
+- add loadcell desc.
+- implement multi-color filament display and styles for dropdown options
+- add remaining weight logging for PUT requests and improve error reporting in sendToApi function
+- add remaining weight logging and display after successful spool update
+- add weight field to update payload in updateSpoolTagId function
+- add auto-tare functionality and update scale handling based on touch sensor connection
+- add touch sensor connection check and update logic
+- add manual tare functionality for scale
+- add debounce handling for TTP223 touch sensor
+- add TTP223 touch sensor support and wiring configuration
+- Renamed states of NFC state machine and introduced new state machine for spoolman API
+- 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
+- add error handling for missing vendor IDs in filament data
+- add WiFi connection check and restart Bambu if not connected
+- added new .step, now with correct individual parts
+- added changelog
+- Add files via upload
+- added .stp files of modifications
+- added merged picture
+- added pictures of components bought from AliE
+- Add files via upload
+- added pictures for heat insert location
+- added pictures showing heat insert location
+- remove unnecessary delay in MQTT setup and add delay before restart
+- add new 3D print file for Filaman scale
+- added Discord Server
+- add support for Spoolman Octoprint Plugin in README files
+- add OctoPrint integration with configurable fields and update functionality
+- add version comparison function and check for outdated versions before updates
+- remove unused version and protocol fields from JSON output; add error message for insufficient memory
+
+### Changed
+- update platformio.ini for version v1.5.10
+- Merge branch 'main' of https://gitlab.fire-devils.org/3D-Druck/Filaman
+- Changed Amazon Link for PN532
+- Changed Amazon Link for PN532
+- update changelog and header for version v1.5.9
+- update platformio.ini for version v1.5.9
+- Enhance API to support weight updates after successful spool tag updates
+- update changelog and header for version v1.5.8
+- update platformio.ini for version v1.5.8
+- Merge pull request #45 from janecker/nfc_write_improvements
+- Introduces periodic Spoolman Healthcheck
+- Improves init - NFC reading now only starts after boot is finished
+- Further improvements on NFC writing
+- Merge pull request #44 from janecker/graphics_rework
+- Graphic rework of the NFC writing process
+- Remove unused parameter of sendNfcData()
+- Reworks startup graphics and timings
+- update changelog and header for version v1.5.7
+- update platformio.ini for version v1.5.7
+- clean up unused variables and improve .gitignore entries
+- update changelog and header for version v1.5.6
+- update webpages for version v1.5.6
+- update platformio.ini for version v1.5.6
+- Merge pull request #42 from janecker/configuration_nvs_storage
+- Merge branch 'main' into configuration_nvs_storage
+- Changes configuration storage of spoolman and bambu values
+- update changelog and header for version v1.5.5
+- update platformio.ini for version v1.5.5
+- update changelog and header for version v1.5.4
+- update platformio.ini for version v1.5.4
+- Merge branch 'main' of github.com:ManuelW77/Filaman
+- Merge pull request #39 from janecker/location_tags
+- Merge pull request #38 from janecker/scale_debouncing
+- update changelog and header for version v1.5.3
+- update platformio.ini for version v1.5.3
+- Affiliate Links
+- update changelog and header for version v1.5.2
+- update platformio.ini for version v1.5.2
+- update changelog and header for version v1.5.1
+- update version to 1.5.1 and improve OTA update handling with task management
+- update changelog and header for version v1.4.14
+- update platformio.ini for version v1.4.14
+- update changelog and header for version v1.4.13
+- update platformio.ini for version v1.4.13
+- update changelog and header for version v1.4.12
+- update platformio.ini for version v1.4.12
+- update README files to clarify PN532 DIP switch settings
+- update changelog and header for version v1.4.11
+- update platformio.ini for version v1.4.11
+- Merge branch 'main' of github.com:ManuelW77/Filaman
+- update changelog and header for version v1.4.10
+- update platformio.ini for version v1.4.10
+- Merge pull request #31 from janecker/nfc_rework
+- Introducing enum for handling the NFC state to improve code readability
+- update changelog and header for version v1.4.9
+- update platformio.ini for version v1.4.9
+- update changelog and header for version v1.4.8
+- update platformio.ini for version v1.4.8
+- Merge pull request #30 from janecker/main
+- Merge branch 'testing' into main
+- update changelog and header for version v1.4.7
+- 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
+- update changelog and header for version v1.4.6
+- update platformio.ini for version v1.4.6
+- update changelog and header for version v1.4.5
+- update platformio.ini for version v1.4.5
+- Merge branch 'testing'
+- remove unused request_topic subscription and reduce MQTT task stack size
+- Merge pull request #26 from tugsi/main
+- rename report_topic to topic and update MQTT subscription logic, switched publish topic to request
+- update changelog and header for version v1.4.4
+- update platformio.ini for version v1.4.4
+- update changelog and header for version v1.4.3
+- update platformio.ini for version v1.4.3
+- update changelog and header for version v1.4.2
+- update platformio.ini for version v1.4.2
+- increase stack size for BambuMqtt task
+- update Discord Link
+- update Discord Link
+- remove commented-out subscription topic in MQTT setup
+- update changelog and header for version v1.4.1
+- update platformio.ini for version v1.4.1
+- refactor length calculation to convert total length to meters before formatting
+- Merge pull request #16 from spitzbirne32/main
+- improved housing to show display better
+- removed CAD, as they were all duplicates
+- typo in AliE link
+- Delete usermod/spitzbirne32/STL/README.md
+- Update README.md
+- moved pictures of parts into dedicated folders
+- Update README.md
+- Update README.md
+- Update README.md
+- Delete usermod/spitzbirne32/STL/ScaleTop_Heatinsert_Location_usermod_spitzbirne32_.png
+- Delete usermod/spitzbirne32/STL/Housing_Heatinsert_Location_usermod_spitzbirne32_.png
+- created folders
+- Update README.md
+- Update README.md
+- Create README.md
+- Update README.md
+- Update README.md
+- Create README.md
+- Merge pull request #15 from ManuelW77/main
+- Merge pull request #14 from janecker/scale-calibration-rework
+- Reworks the scale calibration handling
+- remove redundant scale calibration checks and enhance task management
+- enhance AMS data handling and streamline spool auto-setting logic
+- adjust stack size and improve scale calibration logic
+- update labels and input types for better clarity and functionality
+- update documentation for clarity and accuracy
+- update changelog and header for version v1.4.0
+- update NFC tag references to include NTAG213 and clarify storage capacity
+- bump version to 1.4.0
+- remove unused version and protocol fields from NFC data packet
+- sort vendors alphabetically in the dropdown list
+- Merge pull request #10 from janecker/nfc-improvements
+
+### Fixed
+- Fixes issue that scale not calibrated message was not shown
+- Improves NFC writing workaround and removes debug output
+- Fixes typos in upgrade page
+- Reworks graphics of tag reading and some api fixes
+- Replaces usage of String with const char* in heap debug function
+- Merge pull request #41 from janecker/memory_leak_fixes
+- Fixes compiler warnings in nfc
+- Memory leak fixes in api and nfc, location tag fix
+- Merge pull request #40 from janecker/location_bambu_fix
+- uncomment monitor_port configuration in platformio.ini
+- update spool weight conditionally based on NFC ID
+- update weight field in update payload to only include values greater than 10
+- increase stack size for sendToApi task to improve stability
+- adjust tare weight tolerance to ignore deviations of 2g
+- improve weight stability check before sending to API
+- update touch sensor connection logic to correctly identify connection status
+- update TTP223 pin configuration and adjust touch sensor logic
+- enhance HTTP method handling in sendToApi function
+- 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
+- handle Bambu connection state by introducing bambuDisabled flag
+- handle potential undefined value for tray_info_idx in handleSpoolIn function, by @tugsi
+- 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
+- increase MQTT buffer size and adjust task stack size
+- Fix BufferSize for larger JSONs from X-Series
+- adjust weight threshold for tare check to allow negative values
+- use unique client ID for MQTT connection to avoid conflicts
+- reload page after firmware update completion
+- increase WiFi connection timeout from 5 to 10 seconds
+- ensure valid URL format and remove trailing slash in setupWebserver
+- correct typo in console log for total length
+
+
+## [1.5.9] - 2025-08-11
+### Changed
+- update platformio.ini for version v1.5.9
+- Enhance API to support weight updates after successful spool tag updates
+
+
+## [1.5.8] - 2025-08-10
+### Added
+- Adds a link to the spool in spoolman when reading a spool tag
+- Fixes types and some issues in the new graphics
+
+### Changed
+- update platformio.ini for version v1.5.8
+- Merge pull request #45 from janecker/nfc_write_improvements
+- Introduces periodic Spoolman Healthcheck
+- Improves init - NFC reading now only starts after boot is finished
+- Further improvements on NFC writing
+- Merge pull request #44 from janecker/graphics_rework
+- Graphic rework of the NFC writing process
+- Remove unused parameter of sendNfcData()
+- Reworks startup graphics and timings
+
+### Fixed
+- Fixes issue that scale not calibrated message was not shown
+- Improves NFC writing workaround and removes debug output
+- Fixes typos in upgrade page
+- Reworks graphics of tag reading and some api fixes
+- Replaces usage of String with const char* in heap debug function
+
+
 ## [1.5.7] - 2025-07-28
 ### Changed
 - update platformio.ini for version v1.5.7

README.de.md

@@ -62,7 +62,7 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 - **OLED 0.96 Zoll I2C white/yellow Display:** 128x64 SSD1306.
 [Amazon Link](https://amzn.to/445aaa9)
 - **PN532 NFC NXP RFID-Modul V3:** For NFC tag operations.
-[Amazon Link](https://amzn.to/4iO6CO4)
+[Amazon Link](https://amzn.eu/d/gy9vaBX)
 - **NFC Tags NTAG213 NTAG215:** RFID Tag
 [Amazon Link](https://amzn.to/3E071xO)
 - **TTP223 Touch Sensor (optional):** For reTARE per Button/Touch

README.md

@@ -66,7 +66,7 @@ Discord Server: [https://discord.gg/my7Gvaxj2v](https://discord.gg/my7Gvaxj2v)
 - **OLED 0.96 Zoll I2C white/yellow Display:** 128x64 SSD1306.
 [Amazon Link](https://amzn.to/445aaa9)
 - **PN532 NFC NXP RFID-Modul V3:** For NFC tag operations.
-[Amazon Link](https://amzn.to/4iO6CO4)
+[Amazon Link](https://amzn.eu/d/gy9vaBX)
 - **NFC Tags NTAG213 NTAG215:** RFID Tag
 [Amazon Link](https://amzn.to/3E071xO)
 - **TTP223 Touch Sensor (optional):** For reTARE per Button/Touch

html/rfid.js

@@ -7,6 +7,7 @@ let heartbeatTimer = null;
 let lastHeartbeatResponse = Date.now();
 const HEARTBEAT_TIMEOUT = 20000;
 let reconnectTimer = null;
+let spoolDetected = false;
 
 // WebSocket Funktionen
 function startHeartbeat() {
@@ -508,12 +509,15 @@ function updateNfcStatusIndicator(data) {
     if (data.found === 0) {
         // Kein NFC Tag gefunden
         indicator.className = 'status-circle';
+        spoolDetected = false;
     } else if (data.found === 1) {
         // NFC Tag erfolgreich gelesen
         indicator.className = 'status-circle success';
+        spoolDetected = true;
     } else {
         // Fehler beim Lesen
         indicator.className = 'status-circle error';
+        spoolDetected = true;
     }
 }
 
@@ -574,7 +578,7 @@ function updateNfcData(data) {
         `;
 
         // Spoolman ID anzeigen
-        html += `<p><strong>Spoolman ID:</strong> ${data.sm_id || 'No Spoolman ID'}</p>`;
+        html += `<p><strong>Spoolman ID:</strong> ${data.sm_id} (<a href="${spoolmanUrl}/spool/show/${data.sm_id}">Open in Spoolman</a>)</p>`;
      }
      else if(data.location)
      {
@@ -618,6 +622,7 @@ function updateNfcData(data) {
 }
 
 function writeNfcTag() {
+    if(!spoolDetected || confirm("Are you sure you want to overwrite the Tag?") == true){
         const selectedText = document.getElementById("selected-filament").textContent;
         if (selectedText === "Please choose...") {
             alert('Please select a Spool first.');
@@ -660,14 +665,17 @@ function writeNfcTag() {
             writeButton.textContent = "Writing";
             socket.send(JSON.stringify({
                 type: 'writeNfcTag',
+                tagType: 'spool',
                 payload: nfcData
             }));
         } else {
             alert('Not connected to Server. Please check connection.');
         }
     }
+}
 
 function writeLocationNfcTag() {
+    if(!spoolDetected || confirm("Are you sure you want to overwrite the Tag?") == true){
         const selectedText = document.getElementById("locationSelect").value;
         if (selectedText === "Please choose...") {
             alert('Please select a location first.');
@@ -678,18 +686,21 @@ function writeLocationNfcTag() {
             location: String(selectedText)
         };
 
+
         if (socket?.readyState === WebSocket.OPEN) {
             const writeButton = document.getElementById("writeLocationNfcButton");
             writeButton.classList.add("writing");
             writeButton.textContent = "Writing";
             socket.send(JSON.stringify({
                 type: 'writeNfcTag',
+                tagType: 'location',
                 payload: nfcData
             }));
         } else {
             alert('Not connected to Server. Please check connection.');
         }
     }
+}
 
 function handleWriteNfcTagResponse(success) {
     const writeButton = document.getElementById("writeNfcButton");

html/upgrade.html

@@ -56,8 +56,8 @@
 
         <div class="update-options">
             <div class="update-section">
-                <h2>Firmware Update</h2>
-                <p>Upload a new firmware file (filaman_*.bin)</p>
+                <h2>1) Firmware Update</h2>
+                <p>Upload a new firmware file (upgrade_filaman_firmware_*.bin)</p>
                 <div class="update-form">
                     <form id="firmwareForm" enctype='multipart/form-data' data-type="firmware">
                         <input type='file' name='update' accept='.bin' required>
@@ -67,8 +67,8 @@
             </div>
 
             <div class="update-section">
-                <h2>Webpage Update</h2>
-                <p>Upload a new webpage file (webpage_*.bin)</p>
+                <h2>2) Webpage Update</h2>
+                <p>Upload a new webpage file (upgrade_filaman_website_*.bin)</p>
                 <div class="update-form">
                     <form id="webpageForm" enctype='multipart/form-data' data-type="webpage">
                         <input type='file' name='update' accept='.bin' required>

platformio.ini

@@ -9,8 +9,8 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [common]
-version = "1.5.7"
-to_old_version = "1.5.0"
+version = "2.0.0-beta1"
+to_old_version = "2.0.0"
 
 ##
 [env:esp32dev]
@@ -23,10 +23,7 @@ monitor_speed = 115200
 lib_deps =
     tzapu/WiFiManager @ ^2.0.17
     https://github.com/me-no-dev/ESPAsyncWebServer.git#master
-    #me-no-dev/AsyncTCP @ ^1.1.1
     https://github.com/esphome/AsyncTCP.git
-    #mathieucarbou/ESPAsyncWebServer @ ^3.6.0
-    #esp32async/AsyncTCP @ ^3.3.5
     bogde/HX711 @ ^0.7.5
     adafruit/Adafruit SSD1306 @ ^2.5.13
     adafruit/Adafruit GFX Library @ ^1.11.11
@@ -36,7 +33,6 @@ lib_deps =
     digitaldragon/SSLClient @ ^1.3.2
     
 ; Enable SPIFFS upload
-#board_build.filesystem = spiffs
 board_build.filesystem = littlefs
 ; Update partition settings
 board_build.partitions = partitions.csv

src/api.cpp

@@ -4,13 +4,26 @@
 #include "commonFS.h"
 #include <Preferences.h>
 #include "debug.h"
+#include "scale.h"
+#include "nfc.h"
+#include <time.h>
+volatile spoolmanApiStateType spoolmanApiState = API_IDLE;
 
-volatile spoolmanApiStateType spoolmanApiState = API_INIT;
 //bool spoolman_connected = false;
 String spoolmanUrl = "";
 bool octoEnabled = false;
+bool sendOctoUpdate = false;
 String octoUrl = "";
 String octoToken = "";
+uint16_t remainingWeight = 0;
+uint16_t createdVendorId = 0;  // Store ID of newly created vendor
+uint16_t foundVendorId = 0;    // Store ID of found vendor
+uint16_t foundFilamentId = 0;  // Store ID of found filament
+uint16_t createdFilamentId = 0;  // Store ID of newly created filament
+uint16_t createdSpoolId = 0;  // Store ID of newly created spool
+bool spoolmanConnected = false;
+bool spoolmanExtraFieldsChecked = false;
+TaskHandle_t* apiTask;
 
 struct SendToApiParams {
     SpoolmanApiRequestType requestType;
@@ -18,6 +31,10 @@ struct SendToApiParams {
     String spoolsUrl;
     String updatePayload;
     String octoToken;
+    // Weight update parameters for sequential execution
+    bool triggerWeightUpdate;
+    String spoolIdForWeight;
+    uint16_t weightValue;
 };
 
 JsonDocument fetchSingleSpoolInfo(int spoolId) {
@@ -91,15 +108,23 @@ JsonDocument fetchSingleSpoolInfo(int spoolId) {
 void sendToApi(void *parameter) {
     HEAP_DEBUG_MESSAGE("sendToApi begin");
 
+    // Wait until API is IDLE
+    while(spoolmanApiState != API_IDLE){
+        vTaskDelay(100 / portTICK_PERIOD_MS);
+        yield();
+    }
     spoolmanApiState = API_TRANSMITTING;
     SendToApiParams* params = (SendToApiParams*)parameter;
 
-    // Extrahiere die Werte
+    // Extract values including weight update parameters
     SpoolmanApiRequestType requestType = params->requestType;
     String httpType = params->httpType;
     String spoolsUrl = params->spoolsUrl;
     String updatePayload = params->updatePayload;
     String octoToken = params->octoToken;
+    bool triggerWeightUpdate = params->triggerWeightUpdate;
+    String spoolIdForWeight = params->spoolIdForWeight;
+    uint16_t weightValue = params->weightValue;    
 
     HTTPClient http;
     http.setReuse(false);
@@ -111,10 +136,11 @@ void sendToApi(void *parameter) {
     int httpCode;
     if (httpType == "PATCH") httpCode = http.PATCH(updatePayload);
     else if (httpType == "POST") httpCode = http.POST(updatePayload);
+    else if (httpType == "GET") httpCode = http.GET();
     else httpCode = http.PUT(updatePayload);
 
     if (httpCode == HTTP_CODE_OK) {
-        Serial.println("Spoolman erfolgreich aktualisiert");
+        Serial.println("Spoolman Abfrage erfolgreich");
 
         // Restgewicht der Spule auslesen
         String payload = http.getString();
@@ -124,24 +150,194 @@ void sendToApi(void *parameter) {
             Serial.print("Fehler beim Parsen der JSON-Antwort: ");
             Serial.println(error.c_str());
         } else {
-            if (requestType == API_REQUEST_SPOOL_WEIGHT_UPDATE) {
-                uint16_t remaining_weight = doc["remaining_weight"].as<float>();
+            switch(requestType){
+            case API_REQUEST_SPOOL_WEIGHT_UPDATE:
+                remainingWeight = doc["remaining_weight"].as<uint16_t>();
                 Serial.print("Aktuelles Gewicht: ");
-                Serial.println(remaining_weight);
-                oledShowMessage("Remaining: " + String(remaining_weight) + "g");
+                Serial.println(remainingWeight);
+                //oledShowMessage("Remaining: " + String(remaining_weight) + "g");
+                if(!octoEnabled){
+                    // TBD: Do not use Strings...
+                    //oledShowProgressBar(1, 1, "Spool Tag", ("Done: " + String(remainingWeight) + " g remain").c_str());
+                    oledShowMessage("Remaining: " + String(remainingWeight) + "g");
+                    remainingWeight = 0;
+                }else{
+                    // ocoto is enabled, trigger octo update
+                    sendOctoUpdate = true;
                 }
-            else if ( requestType == API_REQUEST_SPOOL_LOCATION_UPDATE) {
-                oledShowMessage("Location updated!");
+                break;
+            case API_REQUEST_SPOOL_LOCATION_UPDATE:
+                oledShowProgressBar(1, 1, "Loc. Tag", "Done!");
+                break;
+            case API_REQUEST_SPOOL_TAG_ID_UPDATE:
+                oledShowProgressBar(1, 1, "Write Tag", "Done!");
+                break;
+            case API_REQUEST_OCTO_SPOOL_UPDATE:
+                // TBD: Do not use Strings...
+                //oledShowProgressBar(5, 5, "Spool Tag", ("Done: " + String(remainingWeight) + " g remain").c_str());
+                oledShowMessage("Remaining: " + String(remainingWeight) + "g");
+                remainingWeight = 0;
+                break;
+            case API_REQUEST_VENDOR_CREATE:
+                Serial.println("Vendor successfully created!");
+                createdVendorId = doc["id"].as<uint16_t>();
+                Serial.print("Created Vendor ID: ");
+                Serial.println(createdVendorId);
+                oledShowProgressBar(1, 1, "Vendor", "Created!");
+                break;
+            case API_REQUEST_VENDOR_CHECK:
+                if (doc.isNull() || doc.size() == 0) {
+                    Serial.println("Vendor not found in response");
+                    foundVendorId = 0;
+                } else {
+                    foundVendorId = doc[0]["id"].as<uint16_t>();
+                    Serial.print("Found Vendor ID: ");
+                    Serial.println(foundVendorId);
                 }
+                break;
+            case API_REQUEST_FILAMENT_CHECK:
+                if (doc.isNull() || doc.size() == 0) {
+                    Serial.println("Filament not found in response");
+                    foundFilamentId = 0;
+                } else {
+                    foundFilamentId = doc[0]["id"].as<uint16_t>();
+                    Serial.print("Found Filament ID: ");
+                    Serial.println(foundFilamentId);
+                }
+                break;
+            case API_REQUEST_FILAMENT_CREATE:
+                Serial.println("Filament successfully created!");
+                createdFilamentId = doc["id"].as<uint16_t>();
+                Serial.print("Created Filament ID: ");
+                Serial.println(createdFilamentId);
+                oledShowProgressBar(1, 1, "Filament", "Created!");
+                break;
+            case API_REQUEST_SPOOL_CREATE:
+                Serial.println("Spool successfully created!");
+                createdSpoolId = doc["id"].as<uint16_t>();
+                Serial.print("Created Spool ID: ");
+                Serial.println(createdSpoolId);
+                oledShowProgressBar(1, 1, "Spool", "Created!");
+                break;
+            }
+        }
+        doc.clear();
+    } else if (httpCode == HTTP_CODE_CREATED) {
+        Serial.println("Spoolman erfolgreich erstellt");
         
-            vTaskDelay(3000 / portTICK_PERIOD_MS);
+        // Parse response for created resources
+        String payload = http.getString();
+        JsonDocument doc;
+        DeserializationError error = deserializeJson(doc, payload);
+        if (error) {
+            Serial.print("Fehler beim Parsen der JSON-Antwort: ");
+            Serial.println(error.c_str());
+        } else {
+            switch(requestType){
+            case API_REQUEST_VENDOR_CREATE:
+                Serial.println("Vendor successfully created!");
+                createdVendorId = doc["id"].as<uint16_t>();
+                Serial.print("Created Vendor ID: ");
+                Serial.println(createdVendorId);
+                oledShowProgressBar(1, 1, "Vendor", "Created!");
+                break;
+            case API_REQUEST_FILAMENT_CREATE:
+                Serial.println("Filament successfully created!");
+                createdFilamentId = doc["id"].as<uint16_t>();
+                Serial.print("Created Filament ID: ");
+                Serial.println(createdFilamentId);
+                oledShowProgressBar(1, 1, "Filament", "Created!");
+                break;
+            case API_REQUEST_SPOOL_CREATE:
+                Serial.println("Spool successfully created!");
+                createdSpoolId = doc["id"].as<uint16_t>();
+                Serial.print("Created Spool ID: ");
+                Serial.println(createdSpoolId);
+                oledShowProgressBar(1, 1, "Spool", "Created!");
+                break;
+            default:
+                // Handle other create operations if needed
+                break;
+            }
         }
         doc.clear();
 
+        // Execute weight update if requested and tag update was successful
+        if (triggerWeightUpdate && requestType == API_REQUEST_SPOOL_TAG_ID_UPDATE && weightValue > 10) {
+            Serial.println("Executing weight update after successful tag update");
+            
+            // Prepare weight update request
+            String weightUrl = spoolmanUrl + apiUrl + "/spool/" + spoolIdForWeight + "/measure";
+            JsonDocument weightDoc;
+            weightDoc["weight"] = weightValue;
+            
+            String weightPayload;
+            serializeJson(weightDoc, weightPayload);
+            
+            Serial.print("Weight update URL: ");
+            Serial.println(weightUrl);
+            Serial.print("Weight update payload: ");
+            Serial.println(weightPayload);
+
+            // Execute weight update
+            http.begin(weightUrl);
+            http.addHeader("Content-Type", "application/json");
+            
+            int weightHttpCode = http.PUT(weightPayload);
+            
+            if (weightHttpCode == HTTP_CODE_OK) {
+                Serial.println("Weight update successful");
+                String weightResponse = http.getString();
+                JsonDocument weightResponseDoc;
+                DeserializationError weightError = deserializeJson(weightResponseDoc, weightResponse);
+                
+                if (!weightError) {
+                    remainingWeight = weightResponseDoc["remaining_weight"].as<uint16_t>();
+                    Serial.print("Updated weight: ");
+                    Serial.println(remainingWeight);
+                    
+                    if (!octoEnabled) {
+                        oledShowProgressBar(1, 1, "Spool Tag", ("Done: " + String(remainingWeight) + " g remain").c_str());
+                        remainingWeight = 0;
                     } else {
+                        sendOctoUpdate = true;
+                    }
+                }
+                weightResponseDoc.clear();
+            } else {
+                Serial.print("Weight update failed with HTTP code: ");
+                Serial.println(weightHttpCode);
+                oledShowProgressBar(1, 1, "Failure!", "Weight update");
+            }
+            
+            weightDoc.clear();
+        }
+    } else {
+        switch(requestType){
+        case API_REQUEST_SPOOL_WEIGHT_UPDATE:
+        case API_REQUEST_SPOOL_LOCATION_UPDATE:
+        case API_REQUEST_SPOOL_TAG_ID_UPDATE:
+            oledShowProgressBar(1, 1, "Failure!", "Spoolman update");
+            break;
+        case API_REQUEST_OCTO_SPOOL_UPDATE:
+            oledShowProgressBar(1, 1, "Failure!", "Octoprint update");
+            break;
+        case API_REQUEST_BAMBU_UPDATE:
+            oledShowProgressBar(1, 1, "Failure!", "Bambu update");
+            break;
+        case API_REQUEST_VENDOR_CREATE:
+            oledShowProgressBar(1, 1, "Failure!", "Vendor create");
+            break;
+        case API_REQUEST_FILAMENT_CREATE:
+            oledShowProgressBar(1, 1, "Failure!", "Filament create");
+            break;
+        case API_REQUEST_SPOOL_CREATE:
+            oledShowProgressBar(1, 1, "Failure!", "Spool create");
+            break;
+        }
         Serial.println("Fehler beim Senden an Spoolman! HTTP Code: " + String(httpCode));
-        oledShowMessage("Spoolman update failed");
         vTaskDelay(2000 / portTICK_PERIOD_MS);
+        nfcReaderState = NFC_IDLE; // Reset NFC state to allow retry
     }
 
     http.end();
@@ -155,6 +351,8 @@ void sendToApi(void *parameter) {
 }
 
 bool updateSpoolTagId(String uidString, const char* payload) {
+    oledShowProgressBar(2, 3, "Write Tag", "Update Spoolman");
+
     JsonDocument doc;
     DeserializationError error = deserializeJson(doc, payload);
     
@@ -170,7 +368,8 @@ bool updateSpoolTagId(String uidString, const char* payload) {
         return false;
     }
 
-    String spoolsUrl = spoolmanUrl + apiUrl + "/spool/" + doc["sm_id"].as<String>();
+    String spoolId = doc["sm_id"].as<String>();
+    String spoolsUrl = spoolmanUrl + apiUrl + "/spool/" + spoolId;
     Serial.print("Update Spule mit URL: ");
     Serial.println(spoolsUrl);
     
@@ -195,26 +394,32 @@ bool updateSpoolTagId(String uidString, const char* payload) {
     params->spoolsUrl = spoolsUrl;
     params->updatePayload = updatePayload;
     
-    // Erstelle die Task
+    // Add weight update parameters for sequential execution
+    params->triggerWeightUpdate = (weight > 10);
+    params->spoolIdForWeight = spoolId;
+    params->weightValue = weight;
+
+    // Erstelle die Task mit erhöhter Stackgröße für zusätzliche HTTP-Anfrage
     BaseType_t result = xTaskCreate(
         sendToApi,                // Task-Funktion
         "SendToApiTask",          // Task-Name
-        6144,                     // Stackgröße in Bytes
+        8192,                     // Erhöhte Stackgröße für zusätzliche HTTP-Anfrage
         (void*)params,            // Parameter
         0,                        // Priorität
-        NULL                      // Task-Handle (nicht benötigt)
+        apiTask                   // Task-Handle (nicht benötigt)
     );
 
     updateDoc.clear();
 
-    // Update Spool weight
-    if (weight > 10) updateSpoolWeight(doc["sm_id"].as<String>(), weight);
+    // Update Spool weight now handled sequentially in sendToApi task
+    // to prevent parallel API access issues
 
     return true;
 }
 
 uint8_t updateSpoolWeight(String spoolId, uint16_t weight) {
     HEAP_DEBUG_MESSAGE("updateSpoolWeight begin");
+    oledShowProgressBar(3, octoEnabled?5:4, "Spool Tag", "Spoolman update");
     String spoolsUrl = spoolmanUrl + apiUrl + "/spool/" + spoolId + "/measure";
     Serial.print("Update Spule mit URL: ");
     Serial.println(spoolsUrl);
@@ -230,6 +435,7 @@ uint8_t updateSpoolWeight(String spoolId, uint16_t weight) {
 
     SendToApiParams* params = new SendToApiParams();
     if (params == nullptr) {
+        // TBD: reset ESP instead of showing a message
         Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
         return 0;
     }
@@ -245,7 +451,7 @@ uint8_t updateSpoolWeight(String spoolId, uint16_t weight) {
         6144,                     // Stackgröße in Bytes
         (void*)params,            // Parameter
         0,                        // Priorität
-        NULL                      // Task-Handle (nicht benötigt)
+        apiTask                      // Task-Handle (nicht benötigt)
     );
 
     updateDoc.clear();
@@ -257,6 +463,8 @@ uint8_t updateSpoolWeight(String spoolId, uint16_t weight) {
 uint8_t updateSpoolLocation(String spoolId, String location){
     HEAP_DEBUG_MESSAGE("updateSpoolLocation begin");
 
+    oledShowProgressBar(3, octoEnabled?5:4, "Loc. Tag", "Spoolman update");
+
     String spoolsUrl = spoolmanUrl + apiUrl + "/spool/" + spoolId;
     Serial.print("Update Spule mit URL: ");
     Serial.println(spoolsUrl);
@@ -280,6 +488,8 @@ uint8_t updateSpoolLocation(String spoolId, String location){
     params->spoolsUrl = spoolsUrl;
     params->updatePayload = updatePayload;
 
+
+    if(apiTask == nullptr){
         // Erstelle die Task
         BaseType_t result = xTaskCreate(
             sendToApi,                // Task-Funktion
@@ -287,8 +497,11 @@ uint8_t updateSpoolLocation(String spoolId, String location){
             6144,                     // Stackgröße in Bytes
             (void*)params,            // Parameter
             0,                        // Priorität
-        NULL                      // Task-Handle (nicht benötigt)
+            apiTask                   // Task-Handle
         );
+    }else{
+        Serial.println("Not spawning new task, API still active!");
+    }
 
     updateDoc.clear();
 
@@ -297,6 +510,8 @@ uint8_t updateSpoolLocation(String spoolId, String location){
 }
 
 bool updateSpoolOcto(int spoolId) {
+    oledShowProgressBar(4, octoEnabled?5:4, "Spool Tag", "Octoprint update");
+
     String spoolsUrl = octoUrl + "/plugin/Spoolman/selectSpool";
     Serial.print("Update Spule in Octoprint mit URL: ");
     Serial.println(spoolsUrl);
@@ -328,7 +543,7 @@ bool updateSpoolOcto(int spoolId) {
         6144,                     // Stackgröße in Bytes
         (void*)params,            // Parameter
         0,                        // Priorität
-        NULL                      // Task-Handle (nicht benötigt)
+        apiTask                      // Task-Handle (nicht benötigt)
     );
 
     updateDoc.clear();
@@ -381,14 +596,402 @@ bool updateSpoolBambuData(String payload) {
         6144,                     // Stackgröße in Bytes
         (void*)params,            // Parameter
         0,                        // Priorität
-        NULL                      // Task-Handle (nicht benötigt)
+        apiTask                      // Task-Handle (nicht benötigt)
     );
 
     return true;
 }
 
+// #### Brand Filament
+uint16_t createVendor(String vendor) {
+    oledShowProgressBar(2, 5, "New Brand", "Create new 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 = 65535; // Reset previous value
+    
+    String spoolsUrl = spoolmanUrl + apiUrl + "/vendor";
+    Serial.print("Create vendor with URL: ");
+    Serial.println(spoolsUrl);
+
+    // Create JSON payload for vendor creation
+    JsonDocument vendorDoc;
+    vendorDoc["name"] = vendor;
+    vendorDoc["comment"] = "automatically generated";
+    vendorDoc["external_id"] = vendor;
+
+    String vendorPayload;
+    serializeJson(vendorDoc, vendorPayload);
+    Serial.print("Vendor Payload: ");
+    Serial.println(vendorPayload);
+
+    SendToApiParams* params = new SendToApiParams();
+    if (params == nullptr) {
+        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
+        vendorDoc.clear();
+        return 0;
+    }
+    params->requestType = API_REQUEST_VENDOR_CREATE;
+    params->httpType = "POST";
+    params->spoolsUrl = spoolsUrl;
+    params->updatePayload = vendorPayload;
+
+    // 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;
+    }
+
+    vendorDoc.clear();
+    
+    // Delay for Display Bar
+    vTaskDelay(1000 / portTICK_PERIOD_MS);
+
+    // Wait for task completion and return the created vendor ID
+    // Note: createdVendorId will be set by sendToApi when response is received
+    while(createdVendorId == 65535) {
+        vTaskDelay(50 / portTICK_PERIOD_MS);
+    }
+    
+    return createdVendorId;
+}
+
+uint16_t checkVendor(String vendor) {
+    oledShowProgressBar(1, 5, "New Brand", "Check Vendor");
+
+    // Check if vendor exists using task system
+    foundVendorId = 65535; // Reset to invalid value to detect when API response is received
+    
+    String vendorName = vendor;
+    vendorName.trim();
+    vendorName.replace(" ", "+");
+    String spoolsUrl = spoolmanUrl + apiUrl + "/vendor?name=" + vendorName;
+    Serial.print("Check vendor with URL: ");
+    Serial.println(spoolsUrl);
+
+    SendToApiParams* params = new SendToApiParams();
+    if (params == nullptr) {
+        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
+        return 0;
+    }
+    params->requestType = API_REQUEST_VENDOR_CHECK;
+    params->httpType = "GET";
+    params->spoolsUrl = spoolsUrl;
+    params->updatePayload = ""; // Empty for GET request
+
+    // Check if API is idle before creating task
+    while (spoolmanApiState != API_IDLE)
+    {
+        vTaskDelay(100 / portTICK_PERIOD_MS);
+    }
+    
+    // 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)
+    );
+    
+    // Wait until foundVendorId is updated by the API response (not 65535 anymore)
+    while (foundVendorId == 65535)
+    {
+        vTaskDelay(50 / portTICK_PERIOD_MS);
+    }
+
+    // Check if vendor was found
+    if (foundVendorId == 0) {
+        Serial.println("Vendor not found, creating new vendor...");
+        uint16_t vendorId = createVendor(vendor);
+        if (vendorId == 0) {
+            Serial.println("Failed to create vendor, returning 0.");
+            return 0; // Failed to create vendor
+        } else {
+            Serial.println("Vendor created with ID: " + String(vendorId));
+            return vendorId;
+        }
+    } else {
+        Serial.println("Vendor found: " + vendor);
+        Serial.print("Vendor ID: ");
+        Serial.println(foundVendorId);
+        return foundVendorId;
+    }
+}
+
+uint16_t createFilament(uint16_t vendorId, const JsonDocument& payload) {
+    oledShowProgressBar(4, 5, "New Brand", "Create Filament");
+
+    // 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 = 65535; // Reset previous value
+    
+    String spoolsUrl = spoolmanUrl + apiUrl + "/filament";
+    Serial.print("Create filament with URL: ");
+    Serial.println(spoolsUrl);
+
+    // Create JSON payload for filament creation
+    JsonDocument filamentDoc;
+    filamentDoc["name"] = payload["cn"].as<String>();
+    filamentDoc["vendor_id"] = String(vendorId);
+    filamentDoc["material"] = payload["t"].as<String>();
+    filamentDoc["density"] = (payload["de"].is<String>() && payload["de"].as<String>().length() > 0) ? payload["de"].as<String>() : "1.24";
+    filamentDoc["diameter"] = (payload["di"].is<String>() && payload["di"].as<String>().length() > 0) ? payload["di"].as<String>() : "1.75";
+    filamentDoc["weight"] = String(weight);
+    filamentDoc["spool_weight"] = payload["sw"].as<String>();
+    filamentDoc["article_number"] = payload["an"].as<String>();
+    filamentDoc["settings_extruder_temp"] = payload["et"].is<String>() ? payload["et"].as<String>() : "";
+    filamentDoc["settings_bed_temp"] = payload["bt"].is<String>() ? payload["bt"].as<String>() : "";
+
+    if (payload["an"].is<String>())
+    {
+        filamentDoc["external_id"] = payload["an"].as<String>();
+        filamentDoc["comment"] = payload["u"].is<String>() ? payload["u"].as<String>() + payload["an"].as<String>() : "automatically generated";
+    }
+    else
+    {
+        filamentDoc["comment"] = payload["u"].is<String>() ? payload["u"].as<String>() : "automatically generated";
+    }
+
+    if (payload["mc"].is<String>()) {
+        filamentDoc["multi_color_hexes"] = payload["mc"].as<String>();
+        filamentDoc["multi_color_direction"] = payload["mcd"].is<String>() ? payload["mcd"].as<String>() : "";
+    }
+    else
+    {
+        filamentDoc["color_hex"] = (payload["c"].is<String>() && payload["c"].as<String>().length() >= 6) ? payload["c"].as<String>() : "FFFFFF";
+    }
+
+    String filamentPayload;
+    serializeJson(filamentDoc, filamentPayload);
+    Serial.print("Filament Payload: ");
+    Serial.println(filamentPayload);
+
+    SendToApiParams* params = new SendToApiParams();
+    if (params == nullptr) {
+        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
+        filamentDoc.clear();
+        return 0;
+    }
+    params->requestType = API_REQUEST_FILAMENT_CREATE;
+    params->httpType = "POST";
+    params->spoolsUrl = spoolsUrl;
+    params->updatePayload = filamentPayload;
+
+    // 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;
+    }
+
+    filamentDoc.clear();
+    
+    // Delay for Display Bar
+    vTaskDelay(1000 / portTICK_PERIOD_MS);
+
+    // Wait for task completion and return the created filament ID
+    // Note: createdFilamentId will be set by sendToApi when response is received
+    while(createdFilamentId == 65535) {
+        vTaskDelay(50 / portTICK_PERIOD_MS);
+    }
+    
+    return createdFilamentId;
+}
+
+uint16_t checkFilament(uint16_t vendorId, const JsonDocument& payload) {
+    oledShowProgressBar(3, 5, "New Brand", "Check Filament");
+
+    // Check if filament exists using task system
+    foundFilamentId = 65535; // Reset to invalid value to detect when API response is received
+
+    String spoolsUrl = spoolmanUrl + apiUrl + "/filament?vendor.id=" + String(vendorId) + "&external_id=" + String(payload["artnr"].as<String>());
+    Serial.print("Check filament with URL: ");
+    Serial.println(spoolsUrl);
+
+    SendToApiParams* params = new SendToApiParams();
+    if (params == nullptr) {
+        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
+        return 0;
+    }
+    params->requestType = API_REQUEST_FILAMENT_CHECK;
+    params->httpType = "GET";
+    params->spoolsUrl = spoolsUrl;
+    params->updatePayload = ""; // Empty for GET request
+
+     // 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)
+    );
+    
+    // Wait until foundFilamentId is updated by the API response (not 65535 anymore)
+    while (foundFilamentId == 65535) {
+        vTaskDelay(50 / portTICK_PERIOD_MS);
+    }
+
+    // Check if filament was found
+    if (foundFilamentId == 0) {
+        Serial.println("Filament not found, creating new filament...");
+        uint16_t filamentId = createFilament(vendorId, payload);
+        if (filamentId == 0) {
+            Serial.println("Failed to create filament, returning 0.");
+            return 0; // Failed to create filament
+        } else {
+            Serial.println("Filament created with ID: " + String(filamentId));
+            return filamentId;
+        }
+    } else {
+        Serial.println("Filament found for vendor ID: " + String(vendorId));
+        Serial.print("Filament ID: ");
+        Serial.println(foundFilamentId);
+        return foundFilamentId;
+    }
+}
+
+uint16_t createSpool(uint16_t vendorId, uint16_t filamentId, JsonDocument& payload, String uidString) {
+    oledShowProgressBar(5, 5, "New Brand", "Create new Spool");
+
+    // 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 = 65535; // Reset to invalid value to detect when API response is received
+    
+    String spoolsUrl = spoolmanUrl + apiUrl + "/spool";
+    Serial.print("Create spool with URL: ");
+    Serial.println(spoolsUrl);
+
+    // Create JSON payload for spool creation
+    JsonDocument spoolDoc;
+    spoolDoc["filament_id"] = String(filamentId);
+    spoolDoc["initial_weight"] = weight > 10 ? String(weight - payload["sw"].as<int>()) : "1000";
+    spoolDoc["spool_weight"] = (payload["sw"].is<String>() && payload["sw"].as<String>().length() > 0) ? payload["sw"].as<String>() : "180";
+    spoolDoc["remaining_weight"] = spoolDoc["initial_weight"];
+    spoolDoc["lot_nr"] = (payload["an"].is<String>() && payload["an"].as<String>().length() > 0) ? payload["an"].as<String>() : "";
+    spoolDoc["comment"] = "automatically generated";
+    spoolDoc["extra"]["nfc_id"] = "\"" + uidString + "\"";
+
+    String spoolPayload;
+    serializeJson(spoolDoc, spoolPayload);
+    Serial.print("Spool Payload: ");
+    Serial.println(spoolPayload);
+    spoolDoc.clear();
+
+    SendToApiParams* params = new SendToApiParams();
+    if (params == nullptr) {
+        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
+        spoolDoc.clear();
+        return 0;
+    }
+    params->requestType = API_REQUEST_SPOOL_CREATE;
+    params->httpType = "POST";
+    params->spoolsUrl = spoolsUrl;
+    params->updatePayload = spoolPayload;
+
+    // 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;
+    }
+    
+    // Wait for task completion and return the created spool ID
+    // Note: createdSpoolId will be set by sendToApi when response is received
+    while(createdSpoolId == 65535) {
+        vTaskDelay(50 / portTICK_PERIOD_MS);
+    }
+
+    // Write data to tag with startWriteJsonToTag
+    // void startWriteJsonToTag(const bool isSpoolTag, const char* payload);
+    
+    // Create optimized JSON structure with sm_id at the beginning for fast-path detection
+    JsonDocument optimizedPayload;
+    optimizedPayload["sm_id"] = String(createdSpoolId);  // Place sm_id first for fast scanning
+    optimizedPayload["b"] = payload["b"].as<String>();
+    optimizedPayload["cn"] = payload["an"].as<String>();
+    
+    String payloadString;
+    serializeJson(optimizedPayload, payloadString);
+    
+    Serial.println("Optimized JSON with sm_id first:");
+    Serial.println(payloadString);
+    
+    optimizedPayload.clear();
+    
+    nfcReaderState = NFC_IDLE;
+
+    // Delay for Display Bar
+    vTaskDelay(1000 / portTICK_PERIOD_MS);
+    
+    startWriteJsonToTag(true, payloadString.c_str());
+
+    return createdSpoolId;
+}
+
+bool createBrandFilament(JsonDocument& payload, String uidString) {
+    uint16_t vendorId = checkVendor(payload["b"].as<String>());
+    if (vendorId == 0) {
+        Serial.println("ERROR: Failed to create/find vendor");
+        return false;
+    }
+    
+    uint16_t filamentId = checkFilament(vendorId, payload);
+    if (filamentId == 0) {
+        Serial.println("ERROR: Failed to create/find filament");
+        return false;
+    }
+    
+    uint16_t spoolId = createSpool(vendorId, filamentId, payload, uidString);
+    if (spoolId == 0) {
+        Serial.println("ERROR: Failed to create spool");
+        return false;
+    }
+    
+    Serial.println("SUCCESS: Brand filament created with Spool ID: " + String(spoolId));
+    return true;
+}
+
 // #### Spoolman init
 bool checkSpoolmanExtraFields() {
+    // Only check extra fields if they have not been checked before
+    if(!spoolmanExtraFieldsChecked){
         HTTPClient http;
         String checkUrls[] = {
             spoolmanUrl + apiUrl + "/field/spool",
@@ -536,14 +1139,23 @@ bool checkSpoolmanExtraFields() {
 
         http.end();
 
+        spoolmanExtraFieldsChecked = true;
+        return true;
+    }else{
         return true;
     }
+}
 
-bool checkSpoolmanInstance(const String& url) {
+bool checkSpoolmanInstance() {
     HTTPClient http;
-    String healthUrl = url + apiUrl + "/health";
+    bool returnValue = false;
 
-    Serial.print("Überprüfe Spoolman-Instanz unter: ");
+    // Only do the spoolman instance check if there is no active API request going on
+    if(spoolmanApiState == API_IDLE){
+        spoolmanApiState = API_TRANSMITTING;
+        String healthUrl = spoolmanUrl + apiUrl + "/health";
+
+        Serial.print("Checking spoolman instance: ");
         Serial.println(healthUrl);
 
         http.begin(healthUrl);
@@ -551,9 +1163,6 @@ bool checkSpoolmanInstance(const String& url) {
 
         if (httpCode > 0) {
             if (httpCode == HTTP_CODE_OK) {
-            oledShowMessage("Spoolman available");
-            vTaskDelay(1000 / portTICK_PERIOD_MS);
-
                 String payload = http.getString();
                 JsonDocument doc;
                 DeserializationError error = deserializeJson(doc, payload);
@@ -564,6 +1173,7 @@ bool checkSpoolmanInstance(const String& url) {
                     if (!checkSpoolmanExtraFields()) {
                         Serial.println("Fehler beim Überprüfen der Extrafelder.");
 
+                        // TBD
                         oledShowMessage("Spoolman Error creating Extrafields");
                         vTaskDelay(2000 / portTICK_PERIOD_MS);
                         
@@ -572,16 +1182,31 @@ bool checkSpoolmanInstance(const String& url) {
 
                     spoolmanApiState = API_IDLE;
                     oledShowTopRow();
-                return strcmp(status, "healthy") == 0;
+                    spoolmanConnected = true;
+                    returnValue = strcmp(status, "healthy") == 0;
+                }else{
+                    spoolmanConnected = false;
                 }
 
                 doc.clear();
+            }else{
+                spoolmanConnected = false;
             }
         } else {
+            spoolmanConnected = false;
             Serial.println("Error contacting spoolman instance! HTTP Code: " + String(httpCode));
         }
         http.end();
-    return false;
+        spoolmanApiState = API_IDLE;
+    }
+    else
+    {
+        // If the check is skipped, return the previous status
+        Serial.println("Skipping spoolman healthcheck, API is active.");
+        returnValue = spoolmanConnected;
+    }
+    Serial.println("Healthcheck completed!");
+    return returnValue;
 }
 
 bool saveSpoolmanUrl(const String& url, bool octoOn, const String& octo_url, const String& octoTk) {
@@ -594,12 +1219,13 @@ bool saveSpoolmanUrl(const String& url, bool octoOn, const String& octo_url, con
     preferences.end();
 
     //TBD: This could be handled nicer in the future
+    spoolmanExtraFieldsChecked = false;
     spoolmanUrl = url;
     octoEnabled = octoOn;
     octoUrl = octo_url;
     octoToken = octoTk;
 
-    return true;
+    return checkSpoolmanInstance();
 }
 
 String loadSpoolmanUrl() {
@@ -617,16 +1243,12 @@ String loadSpoolmanUrl() {
 }
 
 bool initSpoolman() {
+    oledShowProgressBar(3, 7, DISPLAY_BOOT_TEXT, "Spoolman init");
     spoolmanUrl = loadSpoolmanUrl();
-    spoolmanUrl.trim();
-    if (spoolmanUrl == "") {
-        Serial.println("Keine Spoolman-URL gefunden.");
-        return false;
-    }
     
-    bool success = checkSpoolmanInstance(spoolmanUrl);
+    bool success = checkSpoolmanInstance();
     if (!success) {
-        Serial.println("Spoolman nicht erreichbar.");
+        Serial.println("Spoolman not available");
         return false;
     }
 

src/api.h

@@ -17,17 +17,24 @@ typedef enum {
     API_REQUEST_BAMBU_UPDATE,
     API_REQUEST_SPOOL_TAG_ID_UPDATE,
     API_REQUEST_SPOOL_WEIGHT_UPDATE,
-    API_REQUEST_SPOOL_LOCATION_UPDATE
+    API_REQUEST_SPOOL_LOCATION_UPDATE,
+    API_REQUEST_VENDOR_CREATE,
+    API_REQUEST_VENDOR_CHECK,
+    API_REQUEST_FILAMENT_CHECK,
+    API_REQUEST_FILAMENT_CREATE,
+    API_REQUEST_SPOOL_CREATE
 } SpoolmanApiRequestType;
 
 extern volatile spoolmanApiStateType spoolmanApiState;
 extern bool spoolman_connected;
 extern String spoolmanUrl;
 extern bool octoEnabled;
+extern bool sendOctoUpdate;
 extern String octoUrl;
 extern String octoToken;
+extern bool spoolmanConnected;
 
-bool checkSpoolmanInstance(const String& url);
+bool checkSpoolmanInstance();
 bool saveSpoolmanUrl(const String& url, bool octoOn, const String& octoWh, const String& octoTk);
 String loadSpoolmanUrl(); // Neue Funktion zum Laden der URL
 bool checkSpoolmanExtraFields(); // Neue Funktion zum Überprüfen der Extrafelder
@@ -38,5 +45,6 @@ uint8_t updateSpoolLocation(String spoolId, String location);
 bool initSpoolman(); // Neue Funktion zum Initialisieren von Spoolman
 bool updateSpoolBambuData(String payload); // Neue Funktion zum Aktualisieren der Bambu-Daten
 bool updateSpoolOcto(int spoolId); // Neue Funktion zum Aktualisieren der Octo-Daten
+bool createBrandFilament(JsonDocument& payload, String uidString);
 
 #endif

src/bambu.cpp

@@ -33,6 +33,7 @@ AMSData ams_data[MAX_AMS];  // Definition des Arrays;
 bool removeBambuCredentials() {
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);
+        BambuMqttTask = NULL;
     }
     
     Preferences preferences;
@@ -63,6 +64,7 @@ bool removeBambuCredentials() {
 bool saveBambuCredentials(const String& ip, const String& serialnr, const String& accesscode, bool autoSend, const String& autoSendTime) {
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);
+        BambuMqttTask = NULL;
     }
 
     bambuCredentials.ip = ip.c_str();
@@ -593,6 +595,7 @@ void reconnect() {
                 Serial.println("Disable Bambu MQTT Task after 5 retries");
                 //vTaskSuspend(BambuMqttTask);
                 vTaskDelete(BambuMqttTask);
+                BambuMqttTask = NULL;
                 break;
             }
 
@@ -627,6 +630,7 @@ bool setupMqtt() {
 
     if (bambuCredentials.ip != "" && bambuCredentials.accesscode != "" && bambuCredentials.serial != "") 
     {
+        oledShowProgressBar(4, 7, DISPLAY_BOOT_TEXT, "Bambu init");
         bambuDisabled = false;
         sslClient.setCACert(root_ca);
         sslClient.setInsecure();
@@ -680,6 +684,7 @@ void bambu_restart() {
 
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);
+        BambuMqttTask = NULL;
         delay(10);
     }
     setupMqtt();

src/config.cpp

@@ -16,7 +16,6 @@ const uint8_t LOADCELL_DOUT_PIN = 16; //16;
 const uint8_t LOADCELL_SCK_PIN = 17; //17;
 const uint8_t calVal_eepromAdress = 0;
 const uint16_t SCALE_LEVEL_WEIGHT = 500;
-uint16_t defaultScaleCalibrationValue = 430;
 // ***** HX711
 
 // ***** TTP223 (Touch Sensor)
@@ -26,16 +25,11 @@ const uint8_t TTP223_PIN = 25;
 
 
 // ***** Display
-// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
-// On an ESP32:   21(SDA),  22(SCL)
-const int8_t OLED_RESET = -1; // Reset pin # (or -1 if sharing Arduino reset pin)
-const uint8_t SCREEN_ADDRESS = 0x3C; ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
-const uint8_t SCREEN_WIDTH = 128; // OLED display width, in pixels
-const uint8_t SCREEN_HEIGHT = 64; // OLED display height, in pixels
 const uint8_t OLED_TOP_START = 0;
 const uint8_t OLED_TOP_END = 16;
 const uint8_t OLED_DATA_START = 17;
 const uint8_t OLED_DATA_END = SCREEN_HEIGHT;
+
 // ***** Display
 
 // ***** Webserver

src/config.h

@@ -5,7 +5,6 @@
 
 #define BAMBU_DEFAULT_AUTOSEND_TIME         60
 
-
 #define NVS_NAMESPACE_API                   "api"
 #define NVS_KEY_SPOOLMAN_URL                "spoolmanUrl"
 #define NVS_KEY_OCTOPRINT_ENABLED           "octoEnabled"
@@ -22,9 +21,21 @@
 #define NVS_NAMESPACE_SCALE                 "scale"
 #define NVS_KEY_CALIBRATION                 "cal_value"
 #define NVS_KEY_AUTOTARE                    "auto_tare"
+#define SCALE_DEFAULT_CALIBRATION_VALUE     430.0f;
 
 #define BAMBU_USERNAME                      "bblp"
 
+#define OLED_RESET                          -1      // Reset pin # (or -1 if sharing Arduino reset pin)
+#define SCREEN_ADDRESS                      0x3CU   // See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
+#define SCREEN_WIDTH                        128U
+#define SCREEN_HEIGHT                       64U
+#define SCREEN_TOP_BAR_HEIGHT               16U
+#define SCREEN_PROGRESS_BAR_HEIGHT          12U
+#define DISPLAY_BOOT_TEXT                   "FilaMan"
+
+#define WIFI_CHECK_INTERVAL                 60000U
+#define DISPLAY_UPDATE_INTERVAL             1000U
+#define SPOOLMAN_HEALTHCHECK_INTERVAL       60000U
 
 extern const uint8_t PN532_IRQ;
 extern const uint8_t PN532_RESET;
@@ -36,10 +47,6 @@ 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;
-extern const uint8_t SCREEN_HEIGHT;
 extern const uint8_t OLED_TOP_START;
 extern const uint8_t OLED_TOP_END;
 extern const uint8_t OLED_DATA_START;

src/debug.h

@@ -7,6 +7,6 @@
     #define HEAP_DEBUG_MESSAGE(location) 
 #endif
 
-inline void printHeapDebugData(String location){
+inline void printHeapDebugData(const char *location){
     Serial.println("Heap: " + String(ESP.getMinFreeHeap()/1024) + "\t" + String(ESP.getFreeHeap()/1024) + "\t" + String(ESP.getMaxAllocHeap()/1024) + "\t" + location);
 }

src/display.cpp

@@ -2,10 +2,12 @@
 #include "api.h"
 #include <vector>
 #include "icons.h"
+#include "main.h"
 
 Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
 
 bool wifiOn = false;
+bool iconToggle = false;
 
 void setupDisplay() {
     if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
@@ -14,15 +16,10 @@ void setupDisplay() {
     }
     display.setTextColor(WHITE);
     display.clearDisplay();
-    display.display();
 
-    // Show initial display buffer contents on the screen --
-    // the library initializes this with an Adafruit splash screen.
-    display.setTextColor(WHITE);
-    display.display();
+
     oledShowTopRow();
-    oledShowMessage("FilaMan v" + String(VERSION));
-    vTaskDelay(2000 / portTICK_PERIOD_MS);
+    oledShowProgressBar(0, 7, DISPLAY_BOOT_TEXT, "Display init");
 }
 
 void oledclearline() {
@@ -45,14 +42,14 @@ void oledcleardata() {
     //display.display();
 }
 
-int oled_center_h(String text) {
+int oled_center_h(const String &text) {
     int16_t x1, y1;
     uint16_t w, h;
     display.getTextBounds(text, 0, 0, &x1, &y1, &w, &h);
     return (SCREEN_WIDTH - w) / 2;
 }
 
-int oled_center_v(String text) {
+int oled_center_v(const String &text) {
     int16_t x1, y1;
     uint16_t w, h;
     display.getTextBounds(text, 0, OLED_DATA_START, &x1, &y1, &w, &h);
@@ -60,7 +57,7 @@ int oled_center_v(String text) {
     return OLED_DATA_START + ((OLED_DATA_END - OLED_DATA_START - h) / 2);
 }
 
-std::vector<String> splitTextIntoLines(String text, uint8_t textSize) {
+std::vector<String> splitTextIntoLines(const String &text, uint8_t textSize) {
     std::vector<String> lines;
     display.setTextSize(textSize);
     
@@ -120,7 +117,7 @@ std::vector<String> splitTextIntoLines(String text, uint8_t textSize) {
     return lines;
 }
 
-void oledShowMultilineMessage(String message, uint8_t size) {
+void oledShowMultilineMessage(const String &message, uint8_t size) {
     std::vector<String> lines;
     int maxLines = 3;  // Maximale Anzahl Zeilen für size 2
     
@@ -148,7 +145,7 @@ void oledShowMultilineMessage(String message, uint8_t size) {
     display.display();
 }
 
-void oledShowMessage(String message, uint8_t size) {
+void oledShowMessage(const String &message, uint8_t size) {
     oledcleardata();
     display.setTextSize(size);
     display.setTextWrap(false);
@@ -171,22 +168,46 @@ void oledShowMessage(String message, uint8_t size) {
 void oledShowTopRow() {
     oledclearline();
 
+    display.setTextSize(1);
+    display.setCursor(0, 4);
+    display.print("v");
+    display.print(VERSION);
+
+    iconToggle = !iconToggle;
+
+    // Do not show status indicators during boot
+    if(!booting){
+        if(bambuDisabled == false) {
             if (bambu_connected == 1) {
                 display.drawBitmap(50, 0, bitmap_bambu_on , 16, 16, WHITE);
             } else {
-        display.drawBitmap(50, 0, bitmap_off , 16, 16, WHITE);
+                if(iconToggle){
+                    display.drawBitmap(50, 0, bitmap_bambu_on , 16, 16, WHITE);
+                    display.drawLine(50, 15, 66, 0, WHITE);
+                    display.drawLine(51, 15, 67, 0, WHITE);
+                }
+            }
         }
 
-    if (spoolmanApiState != API_INIT) {
+        if (spoolmanConnected) {
             display.drawBitmap(80, 0, bitmap_spoolman_on , 16, 16, WHITE);
         } else {
-        display.drawBitmap(80, 0, bitmap_off , 16, 16, WHITE);
+            if(iconToggle){
+                display.drawBitmap(80, 0, bitmap_spoolman_on , 16, 16, WHITE);
+                display.drawLine(80, 15, 96, 0, WHITE);
+                display.drawLine(81, 15, 97, 0, WHITE);
+            }
         }
 
         if (wifiOn == 1) {
             display.drawBitmap(107, 0, wifi_on , 16, 16, WHITE);
         } else {
-        display.drawBitmap(107, 0, wifi_off , 16, 16, WHITE);
+            if(iconToggle){
+                display.drawBitmap(107, 0, wifi_on , 16, 16, WHITE);
+                display.drawLine(107, 15, 123, 0, WHITE);
+                display.drawLine(108, 15, 124, 0, WHITE);
+            }
+        }
     }
     
     display.display();
@@ -214,6 +235,27 @@ void oledShowIcon(const char* icon) {
     display.display();
 }
 
+void oledShowProgressBar(const uint8_t step, const uint8_t numSteps, const char* largeText, const char* statusMessage) {
+    assert(step <= numSteps);
+
+    // clear data and bar area
+    display.fillRect(0, OLED_DATA_START, SCREEN_WIDTH, SCREEN_HEIGHT-16, BLACK);
+
+    
+    display.setTextWrap(false);
+    display.setTextSize(2);
+    display.setCursor(0, OLED_DATA_START+4);
+    display.print(largeText);
+    display.setTextSize(1);
+    display.setCursor(0, OLED_DATA_END-SCREEN_PROGRESS_BAR_HEIGHT-10);
+    display.print(statusMessage);
+
+    const int barLength = ((SCREEN_WIDTH-2)*step)/numSteps;
+    display.drawRoundRect(0, SCREEN_HEIGHT-SCREEN_PROGRESS_BAR_HEIGHT, SCREEN_WIDTH, 12, 6, WHITE);
+    display.fillRoundRect(1, SCREEN_HEIGHT-SCREEN_PROGRESS_BAR_HEIGHT+1, barLength, 10, 6, WHITE);
+    display.display();
+}
+
 void oledShowWeight(uint16_t weight) {
     // Display Gewicht
     oledcleardata();

src/display.h

@@ -13,11 +13,13 @@ extern bool wifiOn;
 void setupDisplay();
 void oledclearline();
 void oledcleardata();
-int oled_center_h(String text);
-int oled_center_v(String text);
+int oled_center_h(const String &text);
+int oled_center_v(const String &text);
+
+void oledShowProgressBar(const uint8_t step, const uint8_t numSteps, const char* largeText, const char* statusMessage);
 
 void oledShowWeight(uint16_t weight);
-void oledShowMessage(String message, uint8_t size = 2);
+void oledShowMessage(const String &message, uint8_t size = 2);
 void oledShowTopRow();
 void oledShowIcon(const char* icon);
 

src/main.cpp

@@ -16,6 +16,7 @@
 bool mainTaskWasPaused = 0;
 uint8_t scaleTareCounter = 0;
 bool touchSensorConnected = false;
+bool booting = true;
 
 // ##### SETUP #####
 void setup() {
@@ -63,6 +64,7 @@ void setup() {
   bool panic = true; // Wenn true, löst ein WDT-Timeout einen System-Panik aus
   esp_task_wdt_init(10, panic);
 
+  booting = false;
   // Aktuellen Task (loopTask) zum Watchdog hinzufügen
   esp_task_wdt_add(NULL);
 }
@@ -95,7 +97,8 @@ int16_t lastWeight = 0;
 
 // WIFI check variables
 unsigned long lastWifiCheckTime = 0;
-const unsigned long wifiCheckInterval = 60000; // Überprüfe alle 60 Sekunden (60000 ms)
+unsigned long lastTopRowUpdateTime = 0;
+unsigned long lastSpoolmanHealcheckTime = 0;
 
 // Button debounce variables
 unsigned long lastButtonPress = 0;
@@ -113,11 +116,23 @@ void loop() {
   }
 
   // Überprüfe regelmäßig die WLAN-Verbindung
-  if (intervalElapsed(currentMillis, lastWifiCheckTime, wifiCheckInterval)) 
+  if (intervalElapsed(currentMillis, lastWifiCheckTime, WIFI_CHECK_INTERVAL)) 
   {
     checkWiFiConnection();
   }
 
+  // Periodic display update
+  if (intervalElapsed(currentMillis, lastTopRowUpdateTime, DISPLAY_UPDATE_INTERVAL)) 
+  {
+    oledShowTopRow();
+  }
+
+  // Periodic spoolman health check
+  if (intervalElapsed(currentMillis, lastSpoolmanHealcheckTime, SPOOLMAN_HEALTHCHECK_INTERVAL)) 
+  {
+    checkSpoolmanInstance();
+  }
+
   // Wenn Bambu auto set Spool aktiv
   if (bambuCredentials.autosend_enable && autoSetToBambuSpoolId > 0) 
   {
@@ -148,17 +163,17 @@ void loop() {
     }
   }
 
-  // Wenn Waage nicht Kalibriert
-  if (scaleCalibrated == 3) 
+  // If scale is not calibrated, only show a warning
+  if (!scaleCalibrated) 
   {
-    oledShowMessage("Scale not calibrated!");
-    vTaskDelay(5000 / portTICK_PERIOD_MS);
-    yield();
-    esp_task_wdt_reset();
-    
-    return;
+    // Do not show the warning if the calibratin process is onging
+    if(!scaleCalibrationActive){
+      oledShowMessage("Scale not calibrated");
+      vTaskDelay(1000 / portTICK_PERIOD_MS);
     }
-
+  } 
+  else 
+  {
     // Ausgabe der Waage auf Display
     if(pauseMainTask == 0)
     {
@@ -212,18 +227,19 @@ void loop() {
     lastWeight = weight;
 
     // Wenn ein Tag mit SM id erkannte wurde und der Waage Counter anspricht an SM Senden
-  if (activeSpoolId != "" && weigthCouterToApi > 3 && weightSend == 0 && nfcReaderState == NFC_READ_SUCCESS) {
-    oledShowIcon("loading");
+    if (activeSpoolId != "" && weigthCouterToApi > 3 && weightSend == 0 && nfcReaderState == NFC_READ_SUCCESS && tagProcessed == false && spoolmanApiState == API_IDLE) 
+    {
+      // set the current tag as processed to prevent it beeing processed again
+      tagProcessed = true;
+
       if (updateSpoolWeight(activeSpoolId, weight)) 
       {
-      oledShowIcon("success");
-      vTaskDelay(2000 / portTICK_PERIOD_MS);
         weightSend = 1;
-      autoSetToBambuSpoolId = activeSpoolId.toInt();
         
-      if (octoEnabled) 
+        // Set Bambu spool ID for auto-send if enabled
+        if (bambuCredentials.autosend_enable) 
         {
-        updateSpoolOcto(autoSetToBambuSpoolId);
+          autoSetToBambuSpoolId = activeSpoolId.toInt();
         }
       }
       else
@@ -233,5 +249,12 @@ void loop() {
       }
     }
 
+    if(octoEnabled && sendOctoUpdate && spoolmanApiState == API_IDLE)
+    {
+      updateSpoolOcto(autoSetToBambuSpoolId);
+      sendOctoUpdate = false;
+    }
+  }
+  
   esp_task_wdt_reset();
 }

src/main.h

@@ -0,0 +1,9 @@
+#ifndef MAIN_H
+#define MAIN_H
+
+#include <Arduino.h>
+
+
+extern bool booting;
+
+#endif

src/nfc.h

@@ -15,7 +15,8 @@ typedef enum{
 
 void startNfc();
 void scanRfidTask(void * parameter);
-void startWriteJsonToTag(const char* payload);
+void startWriteJsonToTag(const bool isSpoolTag, const char* payload);
+bool quickSpoolIdCheck(String uidString);
 
 extern TaskHandle_t RfidReaderTask;
 extern String nfcJsonData;
@@ -23,6 +24,8 @@ extern String activeSpoolId;
 extern String lastSpoolId;
 extern volatile nfcReaderStateType nfcReaderState;
 extern volatile bool pauseBambuMqttTask;
+extern volatile bool nfcWriteInProgress;
+extern bool tagProcessed;
 
 
 

src/ota.cpp

@@ -224,7 +224,7 @@ void handleUpdate(AsyncWebServer &server) {
             static int lastProgress = -1;
             if (currentProgress != lastProgress && (currentProgress % 10 == 0 || final)) {
                 sendUpdateProgress(currentProgress, "uploading");
-                oledShowMessage("Update: " + String(currentProgress) + "%");
+                oledShowProgressBar(currentProgress, 100, "Update", "Download");
                 vTaskDelay(50 / portTICK_PERIOD_MS);
                 lastProgress = currentProgress;
             }

src/scale.cpp

@@ -17,8 +17,9 @@ uint8_t weigthCouterToApi = 0;
 uint8_t scale_tare_counter = 0;
 bool scaleTareRequest = false;
 uint8_t pauseMainTask = 0;
-uint8_t scaleCalibrated = 1;
+bool scaleCalibrated;
 bool autoTare = true;
+bool scaleCalibrationActive = false;
 
 // ##### Funktionen für Waage #####
 uint8_t setAutoTare(bool autoTareValue) {
@@ -88,7 +89,13 @@ void start_scale(bool touchSensorConnected) {
   // NVS lesen
   Preferences preferences;
   preferences.begin(NVS_NAMESPACE_SCALE, true); // true = readonly
-  calibrationValue = preferences.getFloat(NVS_KEY_CALIBRATION, defaultScaleCalibrationValue);
+  if(preferences.isKey(NVS_KEY_CALIBRATION)){
+    calibrationValue = preferences.getFloat(NVS_KEY_CALIBRATION);
+    scaleCalibrated = true;
+  }else{
+    calibrationValue = SCALE_DEFAULT_CALIBRATION_VALUE;
+    scaleCalibrated = false;
+  }
   
   // auto Tare
   // Wenn Touch Sensor verbunden, dann autoTare auf false setzen
@@ -103,30 +110,19 @@ void start_scale(bool touchSensorConnected) {
 
   scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
 
-  if (isnan(calibrationValue) || calibrationValue < 1) {
-    calibrationValue = defaultScaleCalibrationValue;
-    scaleCalibrated = 0;
-
-    oledShowMessage("Scale not calibrated!");
-    for (uint16_t i = 0; i < 50000; i++) {
-      yield();
-      vTaskDelay(pdMS_TO_TICKS(1));
-      esp_task_wdt_reset();
-    }
-  }
-
-  oledShowMessage("Scale Tare Please remove all");
+  oledShowProgressBar(6, 7, DISPLAY_BOOT_TEXT, "Tare scale");
   for (uint16_t i = 0; i < 2000; i++) {
     yield();
     vTaskDelay(pdMS_TO_TICKS(1));
     esp_task_wdt_reset();
   }
 
-  if (scale.wait_ready_timeout(1000))
-  {
+  while(!scale.is_ready()) {
+    vTaskDelay(pdMS_TO_TICKS(5000));
+  }
+
   scale.set_scale(calibrationValue); // this value is obtained by calibrating the scale with known weights; see the README for details
   scale.tare();
-  }
 
   // Display Gewicht
   oledShowWeight(0);
@@ -152,6 +148,8 @@ uint8_t calibrate_scale() {
   uint8_t returnState = 0;
   float newCalibrationValue;
 
+  scaleCalibrationActive = true;
+
   vTaskSuspend(RfidReaderTask);
   vTaskSuspend(ScaleTask);
 
@@ -162,7 +160,7 @@ uint8_t calibrate_scale() {
   {
     
     scale.set_scale();
-    oledShowMessage("Step 1 empty Scale");
+    oledShowProgressBar(0, 3, "Scale Cal.", "Empty Scale");
 
     for (uint16_t i = 0; i < 5000; i++) {
       yield();
@@ -174,7 +172,7 @@ uint8_t calibrate_scale() {
     Serial.println("Tare done...");
     Serial.print("Place a known weight on the scale...");
 
-    oledShowMessage("Step 2 Place the weight");
+    oledShowProgressBar(1, 3, "Scale Cal.", "Place the weight");
 
     for (uint16_t i = 0; i < 5000; i++) {
       yield();
@@ -207,9 +205,7 @@ uint8_t calibrate_scale() {
       Serial.print("Verified stored value: ");
       Serial.println(verifyValue);
 
-      Serial.println("End calibration, remove weight");
-
-      oledShowMessage("Remove weight");
+      oledShowProgressBar(2, 3, "Scale Cal.", "Remove weight");
 
       scale.set_scale(newCalibrationValue);
       for (uint16_t i = 0; i < 2000; i++) {
@@ -218,7 +214,7 @@ uint8_t calibrate_scale() {
         esp_task_wdt_reset();
       }
       
-      oledShowMessage("Scale calibrated");
+      oledShowProgressBar(3, 3, "Scale Cal.", "Completed");
 
       // For some reason it is not possible to re-tare the scale here, it will result in a wdt timeout. Instead let the scale loop do the taring
       //scale.tare();
@@ -230,15 +226,14 @@ uint8_t calibrate_scale() {
         esp_task_wdt_reset();
       }
 
+      scaleCalibrated = true;
       returnState = 1;
     }
-   
     else
-    {
     {
       Serial.println("Calibration value is invalid. Please recalibrate.");
 
-        oledShowMessage("Calibration ERROR Try again");
+      oledShowProgressBar(3, 3, "Failure", "Calibration error");
 
       for (uint16_t i = 0; i < 50000; i++) {
         yield();
@@ -248,7 +243,6 @@ uint8_t calibrate_scale() {
       returnState = 0;
     } 
   }
-  }
   else 
   {
     Serial.println("HX711 not found.");
@@ -267,6 +261,7 @@ uint8_t calibrate_scale() {
   vTaskResume(ScaleTask);
   pauseBambuMqttTask = false;
   pauseMainTask = 0;
+  scaleCalibrationActive = false;
 
   return returnState;
 }

src/scale.h

@@ -15,8 +15,9 @@ extern uint8_t weigthCouterToApi;
 extern uint8_t scale_tare_counter;
 extern uint8_t scaleTareRequest;
 extern uint8_t pauseMainTask;
-extern uint8_t scaleCalibrated;
+extern bool scaleCalibrated;
 extern bool autoTare;
+extern bool scaleCalibrationActive;
 
 extern TaskHandle_t ScaleTask;
 

src/website.cpp

@@ -34,7 +34,7 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventTyp
         Serial.println("Neuer Client verbunden!");
         // Sende die AMS-Daten an den neuen Client
         if (!bambuDisabled) sendAmsData(client);
-        sendNfcData(client);
+        sendNfcData();
         foundNfcTag(client, 0);
         sendWriteResult(client, 3);
 
@@ -48,11 +48,15 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventTyp
     } else if (type == WS_EVT_PONG) {
         Serial.printf("WebSocket Client #%u pong\n", client->id());
     } else if (type == WS_EVT_DATA) {
-        String message = String((char*)data);
         JsonDocument doc;
-        deserializeJson(doc, message);
+        DeserializationError error = deserializeJson(doc, (char*)data, len);
+        //String message = String((char*)data);
+        //deserializeJson(doc, message);
 
-        bool spoolmanConnected = (spoolmanApiState != API_INIT);
+        if (error) {
+            Serial.println("JSON deserialization failed: " + String(error.c_str()));
+            return;
+        }
 
         if (doc["type"] == "heartbeat") {
             // Sende Heartbeat-Antwort
@@ -69,7 +73,8 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventTyp
                 // Versuche NFC-Daten zu schreiben
                 String payloadString;
                 serializeJson(doc["payload"], payloadString);
-                startWriteJsonToTag(payloadString.c_str());
+
+                startWriteJsonToTag((doc["tagType"] == "spool") ? true : false, payloadString.c_str());
             }
         }
 
@@ -150,11 +155,11 @@ void sendWriteResult(AsyncWebSocketClient *client, uint8_t success) {
 void foundNfcTag(AsyncWebSocketClient *client, uint8_t success) {
     if (success == lastSuccess) return;
     ws.textAll("{\"type\":\"nfcTag\", \"payload\":{\"found\": " + String(success) + "}}");
-    sendNfcData(nullptr);
+    sendNfcData();
     lastSuccess = success;
 }
 
-void sendNfcData(AsyncWebSocketClient *client) {
+void sendNfcData() {
     if (lastnfcReaderState == nfcReaderState) return;
     // TBD: Why is there no status for reading the tag?
     switch(nfcReaderState){
@@ -189,6 +194,7 @@ void sendAmsData(AsyncWebSocketClient *client) {
 }
 
 void setupWebserver(AsyncWebServer &server) {
+    oledShowProgressBar(2, 7, DISPLAY_BOOT_TEXT, "Webserver init");
     // Deaktiviere alle Debug-Ausgaben
     Serial.setDebugOutput(false);
     

src/website.h

@@ -24,7 +24,7 @@ void setupWebserver(AsyncWebServer &server);
 
 // WebSocket-Funktionen
 void sendAmsData(AsyncWebSocketClient *client);
-void sendNfcData(AsyncWebSocketClient *client);
+void sendNfcData();
 void foundNfcTag(AsyncWebSocketClient *client, uint8_t success);
 void sendWriteResult(AsyncWebSocketClient *client, uint8_t success);
 

src/wlan.cpp

@@ -61,8 +61,7 @@ void initWiFi() {
   wm.setWiFiAutoReconnect(true);
   wm.setConnectTimeout(10);
 
-  oledShowTopRow();
-  oledShowMessage("WiFi Setup");
+  oledShowProgressBar(1, 7, DISPLAY_BOOT_TEXT, "WiFi init");
   
   //bool res = wm.autoConnect("FilaMan"); // anonymous ap
   if(!wm.autoConnect("FilaMan")) {
@@ -80,9 +79,6 @@ void initWiFi() {
     Serial.println(WiFi.localIP());
 
     oledShowTopRow();
-    display.display();
-
-    vTaskDelay(500 / portTICK_PERIOD_MS);
 
     // mDNS
     startMDNS();