Add an experimental camera mode to PrusaLink

MANIFEST.in

@@ -5,6 +5,7 @@ include requirements-pi.txt
 graft prusa/link/data
 graft prusa/link/templates
 graft prusa/link/static
+graft prusa/link/static_cam
 graft image_builder
 global-exclude *~
 global-exclude *.swp

image_builder/image_builder.py

@@ -411,7 +411,7 @@ def build_image():
     run_over_ssh("sudo apt-get install -y uuid")
     run_over_ssh("sudo apt-get install -y git python3-pip pigpio libcap-dev "
                  "libmagic1 libturbojpeg0 libatlas-base-dev libffi-dev "
-                 "cmake iptables python3-libcamera")
+                 "cmake iptables python3-libcamera python3-gi")
 
     print("Installing PrusaLink")
     # Caution: not tied to requirements-pi.txt

prusa/link/__main__.py

@@ -112,7 +112,8 @@ def main():
         nargs='?',
         default="start",
         type=str,
-        help="daemon action (start|stop|restart|status) (default: start)")
+        help="daemon action (start|stop|restart|status|start_camera) "
+             "(default: start)")
     parser.add_argument("-f",
                         "--foreground",
                         action="store_true",
@@ -217,13 +218,14 @@ def main():
                 print("Restarting service with pid", pid)
                 stop(pid)
 
-        elif args.command == "start":
+        elif args.command in ("start", "start_camera"):
             pass
         elif not args.foreground:
             parser.error("Unknown command %s")
             return 1
 
-        daemon = Daemon(config, argv)
+        daemon = Daemon(config, argv,
+                        is_camera=args.command == "start_camera")
         if args.foreground:
             log.info("Starting service on foreground.")
             return daemon.run(False)

prusa/link/config.py

@@ -309,7 +309,8 @@ def __init__(self, settings_file):
         self.service_local = Model(
             self.get_section('service::local',
                              (('enable', int, 1), ('username', str, ''),
-                              ('digest', str, ''), ('api_key', str, ''))))
+                              ('digest', str, ''), ('api_key', str, ''),
+                              ('auth', bool, True))))
 
         Settings.instance = self
 
@@ -333,14 +334,19 @@ def update_sections(self, connect_skip=False):
             self.set_section('service::connect', self.service_connect)
         self.set_section('service::local', self.service_local)
 
-    def is_wizard_needed(self):
+    def is_wizard_needed(self, camera_mode=False):
         """
         Is there a reason for the wizard to be shown?
         """
-        interested_in = [
-            self.printer["type"], self.service_local["username"],
-            self.service_local["digest"],
-        ]
+        interested_in = []
+
+        if self.service_local["auth"]:
+            interested_in.extend([
+                self.service_local["username"],
+                self.service_local["digest"],
+            ])
+        if not camera_mode:
+            interested_in.append(self.printer["type"])
         return not all(interested_in)
 
     def use_connect(self):

prusa/link/daemon.py

@@ -8,6 +8,7 @@
 
 from .config import Settings
 from .printer_adapter import prusa_link
+from .printer_adapter.prusa_cam import PrusaCam
 from .printer_adapter.prusa_link import PrusaLink
 from .web import WebServer, init_web_app
 from .web.lib.core import app
@@ -20,13 +21,14 @@ class Daemon:
     instance = None
 
     # pylint: disable=too-few-public-methods
-    def __init__(self, config, argv: List):
+    def __init__(self, config, argv: List, is_camera=False):
         if Daemon.instance:
             raise RuntimeError("Daemon can be only one.")
 
         self.cfg = config
         self.argv = argv
         self.settings = None
+        self.is_camera = is_camera
 
         self.http = None
         self.prusa_link = None
@@ -48,7 +50,10 @@ def run(self, daemon=True):
         # Log daemon stuff as printer_adapter
         adapter_logger = logging.getLogger(prusa_link.__name__)
         try:
-            self.prusa_link = PrusaLink(self.cfg, self.settings)
+            if self.is_camera:
+                self.prusa_link = PrusaCam(self.cfg, self.settings)
+            else:
+                self.prusa_link = PrusaLink(self.cfg, self.settings)
         except Exception:  # pylint: disable=broad-except
             adapter_logger.exception("Adapter was not start")
             self.http.stop()

prusa/link/data/add-ap0.service-template

@@ -0,0 +1,15 @@
+[Unit]
+Description=Add ap0 interface
+Requires=sys-subsystem-net-devices-wlan0.device
+Before=dhcpcd.service
+Before=wpa_supplicant.service
+Restart=on-failure
+StartLimitIntervalSec=1
+StartLimitBurst=5
+
+[Service]
+Type=oneshot
+ExecStart=/usr/sbin/iw dev {device} interface add ap0 type __ap
+
+[Install]
+WantedBy=multi-user.target