prevent snapshot while onroad (#2366)

* prevent snapshot while onroad

* fix offroad check

selfdrive/camerad/snapshot/snapshot.py

@@ -19,7 +19,7 @@ def snapshot():
   params = Params()
   front_camera_allowed = int(params.get("RecordFront"))
 
-  if params.get("IsTakingSnapshot") == b"1":
+  if params.get("IsOffroad") != b"1" or params.get("IsTakingSnapshot") == b"1":
     return None
 
   params.put("IsTakingSnapshot", "1")

selfdrive/thermald/thermald.py

@@ -13,7 +13,7 @@ from cereal import log
 from common.filter_simple import FirstOrderFilter
 from common.hardware import EON, HARDWARE, TICI
 from common.numpy_fast import clip, interp
-from common.params import Params, put_nonblocking
+from common.params import Params
 from common.realtime import DT_TRML, sec_since_boot
 from selfdrive.controls.lib.alertmanager import set_offroad_alert
 from selfdrive.loggerd.config import get_available_percent
@@ -379,7 +379,7 @@ def thermald_thread():
       if startup_conditions["ignition"]:
         cloudlog.event("Startup blocked", startup_conditions=startup_conditions)
       if should_start_prev or (count == 0):
-        put_nonblocking("IsOffroad", "1")
+        params.put("IsOffroad", "1")
 
       started_ts = None
       if off_ts is None: