hardwared: log touch events (#34225)

* touch

* touch

* touch

* touch

* this

* valid

* better

cereal/log.capnp

@@ -2440,6 +2440,14 @@ struct Microphone {
   filteredSoundPressureWeightedDb @2 :Float32;
 }
 
+struct Touch {
+  sec @0 :Int64;
+  usec @1 :Int64;
+  type @2 :UInt8;
+  code @3 :Int32;
+  value @4 :Int32;
+}
+
 struct Event {
   logMonoTime @0 :UInt64;  # nanoseconds
   valid @67 :Bool = true;
@@ -2520,6 +2528,9 @@ struct Event {
     logMessage @18 :Text;
     errorLogMessage @85 :Text;
 
+    # touch frame
+    touch @135 :List(Touch);
+
     # navigation
     navInstruction @82 :NavInstruction;
     navRoute @83 :NavRoute;

cereal/services.py

@@ -22,6 +22,7 @@ _services: dict[str, tuple] = {
   "temperatureSensor2": (True, 2., 200),
   "gpsNMEA": (True, 9.),
   "deviceState": (True, 2., 1),
+  "touch": (True, 20.),
   "can": (True, 100., 2053),  # decimation gives ~3 msgs in a full segment
   "controlsState": (True, 100., 10),
   "selfdriveState": (True, 100., 10),