Support external RFID readers

docs/firmware_config.md

@@ -51,6 +51,7 @@ Toggle settings directly from the web interface:
 | VPN Provider | None, Tailscale | Enable VPN remote access (Experimental) |
 | Cloud | None, OctoEverywhere | Enable Cloud-based remote access (Experimental) |
 | Tweaks | TMC AutoTune, TMC Reduced Current, Object Processing, AFC Stub | Experimental Klipper tweaks ([tweaks](tweaks.md)) |
+| RFID Detection System | External, Snapmaker | Set how filament is detected ([rfid_support](rfid_support.md)) |
 
 Changes are applied immediately and relevant services are restarted.
 
@@ -150,6 +151,12 @@ Note: Remote screen requires additional Moonraker configuration. See [Remote Scr
 **logs** - Camera service logging destination
 - `syslog` - Enable logging to `/var/log/messages`
 
+#### [components]
+
+**rfid** - Filament tag detection system
+- `snapmaker` (default) - Snapmaker's built-in RFID reader
+- `external` - Disable built-in readers (useful for external readers)
+
 #### [remote_access]
 
 **ssh** - Enable SSH remote access via dropbear
@@ -196,6 +203,10 @@ usb: none
 # Enable RTSP streaming server: true, false
 rtsp: false
 
+[components]
+# Filament tag detection system: external, snapmaker
+rfid: snapmaker
+
 [remote_access]
 # Enable SSH access: true, false
 ssh: false

overlays/firmware-extended/10-firmware-config/root/usr/local/share/firmware-config/extended/extended2.cfg

@@ -16,6 +16,9 @@ usb: none
 # Enable RTSP streaming server: true, false
 rtsp: false
 
+[components]
+rfid: external, snapmaker
+
 [remote_access]
 # Enable SSH access: true, false
 ssh: false

overlays/firmware-extended/10-firmware-config/root/usr/local/share/firmware-config/functions/05_settings.yaml

@@ -5,6 +5,8 @@ settings:
     label: Camera
   remote_access:
     label: Remote Access
+  snapmaker_components:
+    label: Snapmaker Components
   tweaks:
     label: Tweaks
   monitoring_debugging:

overlays/firmware-extended/30-rfid-support/root/etc/init.d/S59rfid-support

@@ -0,0 +1,31 @@
+#!/bin/sh
+
+EXTENDED2_CFG="/oem/printer_data/config/extended/extended2.cfg"
+DISABLE_RFID_READER="/oem/printer_data/config/extended/klipper/disable-rfid-reader.cfg"
+DISABLE_RFID_READER_TWEAK="/usr/local/share/firmware-config/tweaks/klipper/disable-rfid-reader.cfg"
+
+start() {
+    RFID=$(/usr/local/bin/extended-config.py get "$EXTENDED2_CFG" components rfid snapmaker 2>/dev/null)
+    case "$RFID" in
+        snapmaker)
+            rm -vf "$DISABLE_RFID_READER"
+            ;;
+        *)
+            ln -sf "$DISABLE_RFID_READER_TWEAK" "$DISABLE_RFID_READER"
+            ;;
+    esac
+}
+
+case "$1" in
+    start|restart|reload)
+        start
+        ;;
+    stop)
+        ;;
+    *)
+        echo "Usage: $0 {start|stop|restart}"
+        exit 1
+        ;;
+esac
+
+exit $?

overlays/firmware-extended/30-rfid-support/root/usr/local/share/firmware-config/functions/13_settings_rfid_reader.yaml

@@ -0,0 +1,35 @@
+settings:
+  snapmaker_components:
+    label: Snapmaker Components
+    items:
+      rfid:
+        label: Filament Detection
+        help_url: https://snapmakeru1-extended-firmware.pages.dev/rfid_support#alternative-detection-system
+        description: Set how filament is detected.
+        get_cmd:
+          - /usr/local/bin/extended-config.py
+          - get
+          - /oem/printer_data/config/extended/extended2.cfg
+          - components
+          - rfid
+          - snapmaker
+        options:
+          external:
+            label: External
+            cmd:
+              - bash
+              - -xc
+              - |
+                /usr/local/bin/extended-config.py add /oem/printer_data/config/extended/extended2.cfg components rfid external
+                /etc/init.d/S59rfid-support restart
+                /etc/init.d/S60klipper restart
+          snapmaker:
+            label: Snapmaker
+            cmd:
+              - bash
+              - -xc
+              - |
+                /usr/local/bin/extended-config.py add /oem/printer_data/config/extended/extended2.cfg components rfid snapmaker
+                /etc/init.d/S59rfid-support restart
+                /etc/init.d/S60klipper restart
+        default: snapmaker

overlays/firmware-extended/30-rfid-support/root/usr/local/share/firmware-config/tweaks/klipper/disable-rfid-reader.cfg

@@ -0,0 +1,2 @@
+[fm175xx_reader]
+enabled: False