add microphone (#382)

* add microphone socket

* increase freq

* add raw noise level

* rename to ambient

* switch

log.capnp

@@ -1961,6 +1961,11 @@ struct EncodeData {
 struct UserFlag {
 }
 
+struct Microphone {
+  ambientNoiseLevelRaw @0 :Float32;
+  filteredAmbientNoiseLevel @1 :Float32;
+}
+
 struct Event {
   logMonoTime @0 :UInt64;  # nanoseconds
   valid @67 :Bool = true;
@@ -2020,6 +2025,9 @@ struct Event {
     wideRoadEncodeIdx @77 :EncodeIndex;
     qRoadEncodeIdx @90 :EncodeIndex;
 
+    # microphone data
+    microphone @103 :Microphone;
+
     # systems stuff
     androidLog @20 :AndroidLogEntry;
     managerState @78 :ManagerState;

services.py

@@ -76,6 +76,7 @@ services = {
   "navThumbnail": (True, 0.),
   "qRoadEncodeIdx": (False, 20.),
   "userFlag": (True, 0., 1),
+  "microphone": (True, 10., 10),
 
   # debug
   "uiDebug": (True, 0., 1),