Version printing for logs.

Makefile

@@ -4,7 +4,7 @@ GOARM  ?= 7
 
 all:
 #	GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) go get -t -d -v ./...
-	GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) go build main/gen_gdl90.go main/traffic.go main/ry835ai.go main/network.go main/managementinterface.go main/sdr.go
+	GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) go build -ldflags "-X main.stratuxBuild=`git log -n 1 --pretty=%H`" main/gen_gdl90.go main/traffic.go main/ry835ai.go main/network.go main/managementinterface.go main/sdr.go
 
 test:
 	sh -c true

main/gen_gdl90.go

@@ -53,6 +53,8 @@ const (
 	TRACK_RESOLUTION   = float32(360.0 / 256.0)
 )
 
+var stratuxBuild string
+
 // CRC16 table generated to use to work with GDL90 messages.
 var Crc16Table [256]uint16
 
@@ -586,6 +588,8 @@ func main() {
 	mfp := io.MultiWriter(fp, os.Stdout)
 	log.SetOutput(mfp)
 
+	log.Printf("Stratux %s (%s) starting.\n", stratuxVersion, stratuxBuild)
+
 	MsgLog = make([]msg, 0)
 
 	crcInit() // Initialize CRC16 table.
@@ -620,8 +624,6 @@ func main() {
 
 	initRY835AI()
 
-	//TODO: network stuff
-
 	// Start the heartbeat message loop in the background, once per second.
 	go heartBeatSender()
 	// Start the management interface.