0.1.29

fichero_printer/CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project are documented in this file.
 
 The format is based on Keep a Changelog and this project uses Semantic Versioning.
 
+## [0.1.29] - 2026-03-16
+
+### Fixed
+- **BLE Connection**: Implemented a more robust recovery mechanism for `br-connection-not-supported` errors. The add-on will now automatically attempt to run `bluetoothctl remove` to clear the host's device cache before rescanning, which should improve connection reliability on affected systems.
+
 ## [0.1.28] - 2026-03-16
 
 ### Fixed

fichero_printer/build.yaml

@@ -1,6 +1,3 @@
 build_from:
   aarch64: "ghcr.io/home-assistant/aarch64-base:latest"
   amd64: "ghcr.io/home-assistant/amd64-base:latest"
-  armhf: "ghcr.io/home-assistant/armhf-base:latest"
-  armv7: "ghcr.io/home-assistant/armv7-base:latest"
-  i386: "ghcr.io/home-assistant/i386-base:latest"

fichero_printer/config.yaml

@@ -1,5 +1,5 @@
 name: "Fichero Printer"
-version: "0.1.28"
+version: "0.1.29"
 slug: "fichero_printer"
 description: "REST API for the Fichero D11s (AiYin) thermal label printer over Bluetooth"
 url: "https://git.leuschner.dev/Tobias/Fichero"

fichero_printer/fichero/api.py

@@ -75,7 +75,7 @@ async def lifespan(app: FastAPI):  # noqa: ARG001
 app = FastAPI(
     title="Fichero Printer API",
     description="REST API for the Fichero D11s (AiYin) thermal label printer.",
-    version="0.1.28",
+    version = "0.1.29",
     lifespan=lifespan,
     docs_url=None,
     redoc_url=None,

fichero_printer/fichero/printer.py

@@ -487,8 +487,25 @@ async def connect(
                 if "br-connection-not-supported" in msg:
                     last_exc = exc
                     if not forced_rescan_done:
+                        print(
+                            "BLE connection failed with 'br-connection-not-supported'. "
+                            "Attempting to clear device cache with 'bluetoothctl remove' and rescan."
+                        )
+                        # Aggressive recovery: try to remove the device from bluez's cache
+                        if address:
+                            try:
+                                remove_cmd = f'echo -e "remove {address}\\nquit" | bluetoothctl'
+                                proc = await asyncio.create_subprocess_shell(
+                                    remove_cmd,
+                                    stdout=asyncio.subprocess.DEVNULL,
+                                    stderr=asyncio.subprocess.DEVNULL,
+                                )
+                                await asyncio.wait_for(proc.communicate(), timeout=10.0)
+                            except Exception as remove_exc:
+                                print(f"  Failed to run 'bluetoothctl remove': {remove_exc}")
+
                         forced_rescan_done = True
-                        target = await resolve_ble_target(None)
+                        target = await resolve_ble_target(address)
                         if attempt < BLE_CONNECT_RETRIES:
                             await asyncio.sleep(BLE_CONNECT_BACKOFF * attempt)
                             continue

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "fichero-printer"
-version = "0.1.28"
+version = "0.1.29"
 description = "Web GUI, Python CLI, and protocol documentation for the Fichero D11s thermal label printer."
 readme = "README.md"
 requires-python = ">=3.10"