Send RSSI value via SmartPort

Author: basdelfos

X7.lua

@@ -1,3 +1,6 @@
+-- load msp.lua
+assert(loadScript("/SCRIPTS/BF/msp_sp.lua"))()
+
 SetupPages = {
    {
       title = "PIDs",
@@ -69,5 +72,103 @@ MenuBox = { x=1, y=10, w=100, x_offset=36, h_line=10, h_offset=3 }
 SaveBox = { x=20, y=12, w=100, x_offset=4,  h=30, h_offset=5 }
 NoTelem = { 36, 55, "No Telemetry", BLINK }
 
+-- ---------------------------------------
+-- BACKGROUND PROCESS
+-- ---------------------------------------
+
+local INTERVAL          = 100        -- 100 = 1 second, 200 = 2 seconds, ...
+local MSP_SET_RTC       = 246
+local MSP_TX_INFO       = 186
+local sensorName        = "VFAS"
+
+local lastRunTS
+local oldSensorValue
+local sensorId
+local mspMsgQueued = false
+
+local function getTelemetryId(name)
+    local field = getFieldInfo(name)
+    if field then
+      return field['id']
+    else
+      return -1
+    end
+end
+
+local function init()
+    sensorId = getTelemetryId(sensorName)
+    oldSensorValue = 0
+    lastRunTS = 0
+end
+
+local function run_bg()
+
+    -- run in intervals
+    if lastRunTS == 0 or lastRunTS + INTERVAL < getTime() then
+
+        mspMsgQueued = false
+
+        -- ------------------------------------
+        -- SYNC DATE AND TIME
+        -- ------------------------------------
+
+        -- get sensor value
+        local newSensorValue = getValue(sensorId)
+
+        if type(newSensorValue) == "number" then
+
+            -- Send datetime when the telemetry connection is available
+            -- assuming when sensor value higher than 0 there is an telemetry connection
+            -- only send datetime one time after telemetry connection became available 
+            -- or when connection is restored after e.g. lipo refresh
+            if oldSensorValue == 0 and newSensorValue > 0 then
+                local now = getDateTime()
+                local year = now.year;
+
+                values = {}
+                values[1] = bit32.band(year, 0xFF)
+                year = bit32.rshift(year, 8)
+                values[2] = bit32.band(year, 0xFF)
+                values[3] = now.mon
+                values[4] = now.day
+                values[5] = now.hour
+                values[6] = now.min
+                values[7] = now.sec
+
+                -- send msp message
+                mspSendRequest(MSP_SET_RTC, values)
+                mspMsgQueued = true
+            end
+
+            oldSensorValue = newSensorValue
+        end
+
+
+        -- ------------------------------------
+        -- SEND RSSI VALUE
+        -- ------------------------------------
+
+        if mspMsgQueued == false then
+            local rssi, alarm_low, alarm_crit = getRSSI()
+            values = {}
+            values[1] = rssi
+
+            -- send msp message
+            mspSendRequest(MSP_TX_INFO, values)
+            mspMsgQueued = true
+        end
+
+        lastRunTS = getTime()
+    end
+
+    -- process queue
+    mspProcessTxQ()
+
+end
+
+--
+-- END
+--
+
 local run_ui = assert(loadScript("/SCRIPTS/BF/ui.lua"))()
-return {run=run_ui}
+return { init=init, run=run_ui, background=run_bg }

X9.lua

@@ -79,11 +79,13 @@ NoTelem = { 70, 55, "No Telemetry", BLINK }
 
 local INTERVAL          = 100        -- 100 = 1 second, 200 = 2 seconds, ...
 local MSP_SET_RTC       = 246
+local MSP_TX_INFO       = 186
 local sensorName        = "VFAS"
 
 local lastRunTS
 local oldSensorValue
 local sensorId
+local mspMsgQueued = false
 
 local function getTelemetryId(name)
     local field = getFieldInfo(name)
@@ -105,6 +107,12 @@ local function run_bg()
     -- run in intervals
     if lastRunTS == 0 or lastRunTS + INTERVAL < getTime() then
 
+        mspMsgQueued = false
+
+        -- ------------------------------------
+        -- SYNC DATE AND TIME
+        -- ------------------------------------
+
         -- get sensor value
         local newSensorValue = getValue(sensorId)
 
@@ -128,13 +136,29 @@ local function run_bg()
                 values[6] = now.min
                 values[7] = now.sec
 
-                -- send info
+                -- send msp message
                 mspSendRequest(MSP_SET_RTC, values)
+                mspMsgQueued = true
             end
 
             oldSensorValue = newSensorValue
         end
 
+
+        -- ------------------------------------
+        -- SEND RSSI VALUE
+        -- ------------------------------------
+
+        if mspMsgQueued == false then
+            local rssi, alarm_low, alarm_crit = getRSSI()
+            values = {}
+            values[1] = rssi
+
+            -- send msp message
+            mspSendRequest(MSP_TX_INFO, values)
+            mspMsgQueued = true
+        end
+
         lastRunTS = getTime()
     end