Craft name for vtx tables

Reads craft name from MSP and uses that name to store the vtx tables. If the craft name is empty it falls backs on using the model name as before.

src/SCRIPTS/BF/PAGES/vtx.lua

@@ -1,5 +1,4 @@
-local md = model.getInfo();
-local vtx_tables = loadScript("/BF/VTX/"..md.name..".lua")
+local vtx_tables = loadScript("/BF/VTX/"..craftName..".lua")
 if vtx_tables then
     vtx_tables = vtx_tables()
 else

src/SCRIPTS/BF/craft_name.lua

@@ -0,0 +1,37 @@
+local MSP_UID = 160
+
+local craftNameReceived = false
+
+local lastRunTS = 0
+local INTERVAL = 100
+
+local function processMspReply(cmd, payload)
+    if cmd == MSP_UID then
+        local i = 1
+        local name = ""
+        while payload[i] do
+            name = name..string.format("%02X",payload[i])
+            i = i+1
+        end
+        if name == "" then
+            craftName = model.getInfo().name
+        else
+            craftName = name
+        end
+        craftNameReceived = true
+    end
+end
+
+local function getCraftName()
+    if lastRunTS + INTERVAL < getTime() then
+        lastRunTS = getTime()
+        if not craftNameReceived then
+            protocol.mspRead(MSP_UID)
+        end
+    end
+    mspProcessTxQ()
+    processMspReply(mspPollReply())
+    return craftNameReceived
+end
+
+return getCraftName

src/SCRIPTS/BF/ui.lua

@@ -76,7 +76,7 @@ local function getVtxTables()
     uiState = uiStatus.init
     PageFiles = nil
     invalidatePages()
-    io.close(io.open("/BF/VTX/"..model.getInfo().name..".lua", 'w'))
+    io.close(io.open("/BF/VTX/"..craftName..".lua", 'w'))
     return 0
 end
 

src/SCRIPTS/BF/ui_init.lua

@@ -1,13 +1,6 @@
 local apiVersionReceived = false
 local vtxTablesReceived = false
-local data_init, getVtxTables
-local vtxTables = loadScript("/BF/VTX/"..model.getInfo().name..".lua")
-
-if vtxTables and vtxTables() then
-    vtxTablesReceived = true
-    vtxTables = nil
-    collectgarbage()
-end
+local data_init, getVtxTables, getCraftName
 
 local function init()
     if apiVersion == 0 then
@@ -18,6 +11,23 @@ local function init()
         data_init = nil
         apiVersionReceived = true
         collectgarbage()
+    elseif not craftName then
+        if apiVersion >= 1.042 then
+            lcd.drawText(6, radio.yMinLimit, "Waiting for craft name")
+            getCraftName = getCraftName or assert(loadScript("craft_name.lua"))()
+            local craftNameReceived = getCraftName()
+            if craftNameReceived then
+                getCraftName = nil
+                local vtxTables = loadScript("/BF/VTX/"..craftName..".lua")
+                if vtxTables and vtxTables() then
+                    vtxTablesReceived = true
+                    vtxTables = nil
+                end
+                collectgarbage()
+            end
+        else
+            craftName = model.getInfo().name
+        end
     elseif apiVersion >= 1.042 and not vtxTablesReceived then
         lcd.drawText(6, radio.yMinLimit, "Downloading VTX Tables")
         getVtxTables = getVtxTables or assert(loadScript("vtx_tables.lua"))()
@@ -29,7 +39,7 @@ local function init()
     else
         return true
     end
-    return apiVersionReceived and vtxTablesReceived
+    return apiVersionReceived and vtxTablesReceived and craftName
 end
 
 return init

src/SCRIPTS/BF/vtx_tables.lua

@@ -82,7 +82,7 @@ local function getVtxTables()
         end
     end
     if vtxTablesReceived then
-        local f = io.open("/BF/VTX/"..model.getInfo().name..".lua", 'w')
+        local f = io.open("/BF/VTX/"..craftName..".lua", 'w')
         io.write(f, "return {", "\n")
         io.write(f, "    frequencyTable = {", "\n")
         for i = 1, #frequencyTable do
@@ -109,7 +109,7 @@ local function getVtxTables()
         io.write(f, powerString, "\n")
         io.write(f, "}", "\n")
         io.close(f)
-        assert(loadScript("/BF/VTX/"..model.getInfo().name..".lua", 'c'))
+        assert(loadScript("/BF/VTX/"..craftName..".lua", 'c'))
     end
     mspProcessTxQ()
     processMspReply(mspPollReply())

src/SCRIPTS/TOOLS/bf.lua

@@ -2,6 +2,7 @@ local toolName = "TNS|Betaflight setup|TNE"
 chdir("/SCRIPTS/BF")
 
 apiVersion = 0
+craftName = nil
 
 local run = nil
 local scriptsCompiled = assert(loadScript("COMPILE/scripts_compiled.lua"))()