From b9cd3a8a399e271177e2a04aef14fe8cca6d5954 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Thu, 7 Feb 2019 13:30:09 +1100
Subject: [PATCH] AP_Logger: add logging of mavlink stats

---
 libraries/AP_Logger/LogStructure.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libraries/AP_Logger/LogStructure.h b/libraries/AP_Logger/LogStructure.h
index df6756055b..f06d6ea95f 100644
--- a/libraries/AP_Logger/LogStructure.h
+++ b/libraries/AP_Logger/LogStructure.h
@@ -325,6 +325,15 @@ struct PACKED log_RCOUT {
     uint16_t chan14;
 };
 
+struct PACKED log_MAV {
+    LOG_PACKET_HEADER;
+    uint64_t time_us;
+    uint8_t chan;
+    uint16_t packet_tx_count;
+    uint16_t packet_rx_success_count;
+    uint16_t packet_rx_drop_count;
+};
+
 struct PACKED log_RSSI {
     LOG_PACKET_HEADER;
     uint64_t time_us;
@@ -1461,6 +1470,8 @@ Format characters in the format string for binary log messages
       "RATE", "Qffffffffffff",  "TimeUS,RDes,R,ROut,PDes,P,POut,YDes,Y,YOut,ADes,A,AOut", "skk-kk-kk-oo-", "F?????????BB-" }, \
     { LOG_RALLY_MSG, sizeof(log_Rally), \
       "RALY", "QBBLLh", "TimeUS,Tot,Seq,Lat,Lng,Alt", "s--DUm", "F--GGB" },  \
+    { LOG_MAV_MSG, sizeof(log_MAV),   \
+      "MAV", "QBHHH",   "TimeUS,chan,txp,rxp,rxdp", "s#---", "F-000" },   \
     { LOG_VISUALODOM_MSG, sizeof(log_VisualOdom), \
       "VISO", "Qffffffff", "TimeUS,dt,AngDX,AngDY,AngDZ,PosDX,PosDY,PosDZ,conf", "ssrrrmmm-", "FF000000-" }, \
     { LOG_OPTFLOW_MSG, sizeof(log_Optflow), \
@@ -1637,6 +1648,7 @@ enum LogMessages : uint8_t {
     LOG_OPTFLOW_MSG,
     LOG_EVENT_MSG,
     LOG_WHEELENCODER_MSG,
+    LOG_MAV_MSG,
     _LOG_LAST_MSG_
 };