[BattOr] Make BattOr able to return firmware version.

tools/battor_agent/battor_protocol_types.h

Index: tools/battor_agent/battor_protocol_types.h
diff --git a/tools/battor_agent/battor_protocol_types.h b/tools/battor_agent/battor_protocol_types.h
index 6402b3f1d2bb14a44ee17cf89f4c7d5674e4a951..11ac53134d6ba2eb004522ba330c9a5817cf119c 100644
--- a/tools/battor_agent/battor_protocol_types.h
+++ b/tools/battor_agent/battor_protocol_types.h
@@ -59,6 +59,14 @@ enum BattOrControlMessageType : uint8_t {
   // Tells the BattOr to send back the number of samples it's collected so far.
   // This is used for syncing the clocks between the agent and the BattOr.
   BATTOR_CONTROL_MESSAGE_TYPE_READ_SAMPLE_COUNT,
+  // Tells the BattOr to send back the git hash of the firmware.
+  BATTOR_CONTROL_MESSAGE_TYPE_GET_FIRMWARE_GIT_HASH,
+  // Read if the BattOr is portable or not.
+  BATTOR_CONTROL_MESSAGE_TYPE_GET_MODE_PORTABLE,
+  // Write the RTC seconds.
+  BATTOR_CONTROL_MESSAGE_TYPE_SET_RTC,
+  // Read the RTC seconds.
+  BATTOR_CONTROL_MESSAGE_TYPE_GET_RTC,
 };
 
 // The gain level for the BattOr to use.