feat: add background stats functionality and initialize stats task

src/SCRIPTS/RF2/background.lua

@@ -1,6 +1,7 @@
 local initTask = nil
 local adjTellerTask = nil
 local customTelemetryTask = nil
+local statsTask = nil
 local isInitialized = false
 local modelIsConnected = false
 local lastTimeRssi = nil
@@ -37,6 +38,7 @@ local function run()
             end
             adjTellerTask = nil
             customTelemetryTask = nil
+            statsTask = nil
             modelIsConnected = false
             isInitialized = false
             collectgarbage()
@@ -46,6 +48,7 @@ local function run()
     if not isInitialized then
         adjTellerTask = nil
         customTelemetryTask = nil
+        statsTask = nil
         collectgarbage()
         initTask = initTask or rf2.executeScript("background_init")
         local initTaskResult = initTask.run(modelIsConnected)
@@ -76,6 +79,14 @@ local function run()
     if customTelemetryTask then
         customTelemetryTask.run()
     end
+    if rf2.apiVersion >= 12.09 then
+        if not statsTask and customTelemetryTask and hasSensor("ARM") then
+            statsTask = rf2.executeScript("background_stats")
+        end
+        if statsTask then
+            statsTask.readStats()
+        end
+    end 
 end
 
 local function runProtected()

src/SCRIPTS/RF2/background_stats.lua

@@ -0,0 +1,48 @@
+local mspFlightStats = rf2.useApi("mspFlightStats")
+local flighStats = mspFlightStats.getDefaults()
+
+local doReadStats = true
+local lastArmedState = false
+local lastTelemetryUpdate = 0
+local lastReadAttempt = 0
+
+local function checkArmedChanged()
+    local arm = getValue("ARM")
+    local currentArmedState = (arm == 1 or arm == 3)
+    if lastArmedState == true and currentArmedState == false then
+        doReadStats = true
+    end
+    lastArmedState = currentArmedState
+end
+
+local function readStats()
+    checkArmedChanged()
+
+    local now = rf2.clock()
+
+    if (doReadStats or flighStats.stats_total_flights.value == nil) and (now - lastReadAttempt > 2) then
+        if rf2.mspQueue:isProcessed() then
+            mspFlightStats.read(nil, nil, flighStats)
+            lastReadAttempt = now
+            doReadStats = false
+        end
+    end
+
+    if not rf2.mspQueue:isProcessed() then
+        rf2.mspQueue:processQueue()
+    end
+
+    if flighStats.statsEnabled.value and flighStats.statsEnabled.value == 1 then
+        if now - lastTelemetryUpdate >= 1 then
+            lastTelemetryUpdate = now
+            if flighStats.stats_total_flights.value then
+                setTelemetryValue(0x2001, 0, 0, flighStats.stats_total_flights.value, UNIT_RAW, 0, "FlyC")
+                setTelemetryValue(0x2002, 0, 0, flighStats.stats_total_time_s.value, UNIT_RAW, 0, "FlyT")
+                setTelemetryValue(0x2003, 0, 0, flighStats.stats_total_dist_m.value, UNIT_RAW, 0, "FlyD")
+            end
+        end
+    end
+
+end
+
+return { readStats = readStats }