Add copyright and examples.

main/fisb.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (
@@ -7,6 +17,25 @@ import (
 	"uatparse"
 )
 
+/*
+	Examples:
+
+METAR KIND 261654Z 10005KT 10SM SCT250 11/02 A3015 RMK AO2 SLP212
+    T01060017=
+SPECI KTDZ 261738Z AUTO 04006KT 8SM SCT020 07/00 A3025 RMK AO2
+    T00670000=
+TAF KCMI 261131Z 2612/2712 12007KT P6SM SCT250
+     FM261600 13013KT P6SM SCT100
+     FM270000 15006KT P6SM BKN200=
+TAF.AMD KMKG 261725Z 2617/2718 VRB05KT P6SM SCT250
+     FM270100 11006KT P6SM BKN150
+     FM271200 13008KT P6SM VCSH BKN150=
+WINDS COU 271200Z  FT 3000 6000      9000   12000       18000   24000   30000    34000  39000
+   2109 2019+05 2134+01 2347-04 2353-21 2454-33 257949 259857 257955
+PIREP HNN 261618Z CRW UA /OV HNN/TM 1618/FL360/TP B737/TB OCNL LGT CHOP 360/RM OVER HNN AWC-WEB:SWA
+
+*/
+
 const (
 	FISB_METAR = iota
 	FISB_SPECI

test/bmp180_read.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (

test/extract_latlng.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (
@@ -25,7 +35,7 @@ func decodeUplink(frame []byte) {
 	if lon > 180 {
 		lon = lon - 360
 	}
-	
+
 	fmt.Printf("%.04f, %.04f\n", lat, lon)
 
 }

test/extract_metar.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (

test/getairmet.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (

test/maxgap.go

@@ -1,27 +1,35 @@
-package main
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
 
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
+package main
 
 import (
 	"fmt"
-//	"time"
+	//	"time"
 	"../uatparse"
-	"os"
 	"bufio"
-	"strings"
-	"unicode"
-	"strconv"
 	"github.com/gonum/plot"
 	"github.com/gonum/plot/plotter"
 	"github.com/gonum/plot/plotutil"
 	"github.com/gonum/plot/vg"
+	"os"
 	"sort"
+	"strconv"
+	"strings"
+	"unicode"
 )
 
 const (
 	UPLINK_FRAME_DATA_BYTES = 432
 )
 
-
 /*
 
 From AC 00-45G [http://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_00-45G_CHG_1-2.pdf]
@@ -51,29 +59,28 @@ Winds Aloft										12 hours												10 minutes
 
 */
 
-func append_metars(rawUplinkMessage string, curMetars []string)  []string {
+func append_metars(rawUplinkMessage string, curMetars []string) []string {
 	ret := curMetars
 
 	uatMsg, err := uatparse.New(rawUplinkMessage)
 	if err != nil {
 		return ret
 	}
-//fmt.Printf("*************************\n")
+	//fmt.Printf("*************************\n")
 	metars, _ := uatMsg.GetTextReports()
 	for _, v := range metars {
-//fmt.Printf("EE: %s\n", v)
+		//fmt.Printf("EE: %s\n", v)
 		vSplit := strings.Split(v, " ")
 		if vSplit[0] != "METAR" || len(vSplit) < 3 { // Only looking for METARs.
 			continue
 		}
 		ret = append(ret, v)
 	}
-//fmt.Printf("=========================\n")
+	//fmt.Printf("=========================\n")
-	
+
 	return ret
 }
 
-
 /*
 	Average number of METARs received for an airport for which you first received a METAR in the first 5 minutes, over 10 minutes. Divided by two.
 */
@@ -97,7 +104,7 @@ func metar_qos_one_period(a, b []string) float64 {
 		ret += float64(num)
 	}
 	if len(numMetarByIdent) > 0 {
-		ret = ret / float64(2 * len(numMetarByIdent))
+		ret = ret / float64(2*len(numMetarByIdent))
 	}
 	return ret
 }
@@ -124,7 +131,7 @@ func main() {
 		if err != nil {
 			break
 		}
-		buf = strings.TrimFunc(buf, func(r rune) bool {return unicode.IsControl(r)})
+		buf = strings.TrimFunc(buf, func(r rune) bool { return unicode.IsControl(r) })
 		linesplit := strings.Split(buf, ",")
 		if len(linesplit) < 2 { // Blank line or invalid.
 			continue
@@ -132,9 +139,9 @@ func main() {
 		if linesplit[0] == "START" { // Reset ticker, new start.
 			//TODO: Support multiple sessions.
 			// Reset the counters, new session.
-//			qos = make(map[uint]float64)
+			//			qos = make(map[uint]float64)
-//			curWindowMetars = make([]string, 0)
+			//			curWindowMetars = make([]string, 0)
-//			curWindow = 0
+			//			curWindow = 0
 			windowOffset = curWindow
 		} else { // If it's not "START", then it's a tick count.
 			i, err := strconv.ParseInt(linesplit[0], 10, 64)
@@ -145,17 +152,17 @@ func main() {
 
 			// Window number in current session.
 			wnum := int64(i / (5 * 60 * 1000000000))
-//			fmt.Printf("%d\n", curWindow)
+			//			fmt.Printf("%d\n", curWindow)
-			if wnum + windowOffset != curWindow { // Switched over.
+			if wnum+windowOffset != curWindow { // Switched over.
 				curWindow = wnum + windowOffset
-				beforeLastWindowMetars, ok := metarsByWindow[curWindow - 2]
+				beforeLastWindowMetars, ok := metarsByWindow[curWindow-2]
-				lastWindowMetars, ok2 := metarsByWindow[curWindow - 1]
+				lastWindowMetars, ok2 := metarsByWindow[curWindow-1]
 				if ok && ok2 {
-			//		fmt.Printf("%v\n\n\nheyy\n\n%v\n", beforeLastWindowMetars, lastWindowMetars)
+					//		fmt.Printf("%v\n\n\nheyy\n\n%v\n", beforeLastWindowMetars, lastWindowMetars)
-					qos[curWindow - 1] = metar_qos_one_period(beforeLastWindowMetars, lastWindowMetars)
+					qos[curWindow-1] = metar_qos_one_period(beforeLastWindowMetars, lastWindowMetars)
-					fmt.Printf("qos=%f\n", qos[curWindow - 1])
+					fmt.Printf("qos=%f\n", qos[curWindow-1])
-					delete(metarsByWindow, curWindow - 2)
+					delete(metarsByWindow, curWindow-2)
-					delete(metarsByWindow, curWindow - 1)
+					delete(metarsByWindow, curWindow-1)
 				}
 			}
 			metarsByWindow[curWindow] = append_metars(linesplit[1], metarsByWindow[curWindow])
@@ -180,7 +187,7 @@ func main() {
 
 	pts := make(plotter.XYs, len(qos))
 	i := 0
-	for _,k := range keys {
+	for _, k := range keys {
 		v := qos[int64(k)]
 		fmt.Printf("%d, %f\n", k, v)
 		pts[i].X = float64(k)
@@ -192,7 +199,7 @@ func main() {
 	if err != nil {
 		panic(err)
 	}
-	if err := p.Save(4 * vg.Inch, 4 * vg.Inch, "qos.png"); err != nil {
+	if err := p.Save(4*vg.Inch, 4*vg.Inch, "qos.png"); err != nil {
 		panic(err)
 	}
 }

test/nexrad_annunciator.go

@@ -1,40 +1,48 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (
-	"fmt"
 	"../uatparse"
-	"strconv"
-	"os"
 	"bufio"
+	"fmt"
 	"github.com/kellydunn/golang-geo"
 	"math"
-	)
+	"os"
-
+	"strconv"
+)
 
 // Most adapted from extract_nexrad.c
 
 const (
-	BLOCK_WIDTH = float64(48.0/60.0)
+	BLOCK_WIDTH      = float64(48.0 / 60.0)
-	WIDE_BLOCK_WIDTH = float64(96.0/60.0)
+	WIDE_BLOCK_WIDTH = float64(96.0 / 60.0)
-	BLOCK_HEIGHT = float64(4.0/60.0)
+	BLOCK_HEIGHT     = float64(4.0 / 60.0)
-	BLOCK_THRESHOLD = 405000
+	BLOCK_THRESHOLD  = 405000
-	BLOCKS_PER_RING = 450
+	BLOCKS_PER_RING  = 450
 
 	WARN_DIST = float64(18.52) // kilometers (10 nm).
 )
 
 type NEXRADFrame struct {
 	radar_type uint32
-	ts string
+	ts         string
-	scale int
+	scale      int
-	latNorth float64
+	latNorth   float64
-	lonWest float64
+	lonWest    float64
-	height float64
+	height     float64
-	width float64
+	width      float64
-	intensity []uint8 // Really only 4-bit values.
+	intensity  []uint8 // Really only 4-bit values.
 }
 
-
 func block_location(block_num int, ns_flag bool, scale_factor int) (float64, float64, float64, float64) {
 	var realScale float64
 	if scale_factor == 1 {
@@ -49,8 +57,8 @@ func block_location(block_num int, ns_flag bool, scale_factor int) (float64, flo
 		block_num = block_num & ^1
 	}
 
-	raw_lat := float64(BLOCK_HEIGHT * float64(int(float64(block_num) / float64(BLOCKS_PER_RING))))
+	raw_lat := float64(BLOCK_HEIGHT * float64(int(float64(block_num)/float64(BLOCKS_PER_RING))))
-	raw_lon := float64(block_num % BLOCKS_PER_RING) * BLOCK_WIDTH
+	raw_lon := float64(block_num%BLOCKS_PER_RING) * BLOCK_WIDTH
 
 	var lonSize float64
 	if block_num >= BLOCK_THRESHOLD {
@@ -66,7 +74,7 @@ func block_location(block_num int, ns_flag bool, scale_factor int) (float64, flo
 	} else {
 		raw_lat = raw_lat + BLOCK_HEIGHT
 	}
-	
+
 	if raw_lon > 180.0 {
 		raw_lon = raw_lon - 360.0
 	}
@@ -97,7 +105,7 @@ func decode_nexrad(f *uatparse.UATFrame) []NEXRADFrame {
 
 		intensityData := f.FISB_data[3:]
 		for _, v := range intensityData {
-			intensity := uint8(v) & 0x7;
+			intensity := uint8(v) & 0x7
 			runlength := (uint8(v) >> 3) + 1
 			for runlength > 0 {
 				tmp.intensity = append(tmp.intensity, intensity)
@@ -128,7 +136,7 @@ func decode_nexrad(f *uatparse.UATFrame) []NEXRADFrame {
 			}
 
 			for j := 0; j < 8; j++ {
-				if bb & (1 << uint(j)) != 0 {
+				if bb&(1<<uint(j)) != 0 {
 					row_x := (row_offset + 8*i + j - 3) % row_size
 					bn := row_start + row_x
 					lat, lon, h, w := block_location(bn, ns_flag, scale_factor)
@@ -236,9 +244,9 @@ func scanNEXRAD(poly *geo.Polygon, frame NEXRADFrame) (*geo.Point, uint8) {
 	var maxIntensity uint8
 	for y := 0; y < 4; y++ {
 		for x := 0; x < 32; x++ {
-			intensity := frame.intensity[x + 32*y]
+			intensity := frame.intensity[x+32*y]
-			lat := frame.latNorth - (float64(y) * (frame.height)/float64(4.0))
+			lat := frame.latNorth - (float64(y) * (frame.height) / float64(4.0))
-			lon := frame.lonWest + (float64(x) * (frame.width)/float64(32.0))
+			lon := frame.lonWest + (float64(x) * (frame.width) / float64(32.0))
 			pt := geo.NewPoint(lat, lon)
 			if !poly.Contains(pt) { // Doesn't contain this point - skip.
 				continue
@@ -303,12 +311,12 @@ func main() {
 	nineOClock := fixHeading(hdgFloat - 90.0)
 	threeOClock := fixHeading(hdgFloat + 90.0)
 
-//	fmt.Printf("myPos=%v\n", myPos)
+	//	fmt.Printf("myPos=%v\n", myPos)
 
 	leftBottom := myPos.PointAtDistanceAndBearing(WARN_DIST, nineOClock)
 	rightBottom := myPos.PointAtDistanceAndBearing(WARN_DIST, threeOClock)
 
-//	fmt.Printf("nineOClock=%f [leftBottom=%v], threeOClock=%f [rightBottom=%v]\n", nineOClock, leftBottom, threeOClock, rightBottom)
+	//	fmt.Printf("nineOClock=%f [leftBottom=%v], threeOClock=%f [rightBottom=%v]\n", nineOClock, leftBottom, threeOClock, rightBottom)
 
 	hypDist := math.Sqrt2 * WARN_DIST
 	leftTopHdg := fixHeading(hdgFloat - 45.0)
@@ -317,12 +325,11 @@ func main() {
 	leftTop := myPos.PointAtDistanceAndBearing(hypDist, leftTopHdg)
 	rightTop := myPos.PointAtDistanceAndBearing(hypDist, rightTopHdg)
 
-//	fmt.Printf("leftTopHdg=%f [leftTop=%v], rightTopHdg=%f [rightTop=%v]\n", leftTopHdg, leftTop, rightTopHdg, rightTop)
+	//	fmt.Printf("leftTopHdg=%f [leftTop=%v], rightTopHdg=%f [rightTop=%v]\n", leftTopHdg, leftTop, rightTopHdg, rightTop)
 
 	points := []*geo.Point{leftTop, rightTop, rightBottom, leftBottom, leftTop}
 	poly := geo.NewPolygon(points)
 
-
 	var maxpt *geo.Point
 	var maxIntensity uint8
 
@@ -335,14 +342,13 @@ func main() {
 		}
 	}
 
-//	fmt.Printf("maxes: %d %v\n", maxIntensity, maxpt)
+	//	fmt.Printf("maxes: %d %v\n", maxIntensity, maxpt)
-
 
 	if maxIntensity > 0 && maxpt != nil {
 		desc := intensityToText(maxIntensity)
 		direction := fixHeading(myPos.BearingTo(maxpt))
 		relativeDirection := fixHeading(direction - hdgFloat)
-//		fmt.Printf("direction=%f, relativeDirection=%f\n", direction, relativeDirection)
+		//		fmt.Printf("direction=%f, relativeDirection=%f\n", direction, relativeDirection)
 		directionDesc := oclock(relativeDirection)
 		dist := myPos.GreatCircleDistance(maxpt) * float64(0.539957) // Convert km -> nm.
 		fmt.Printf("%s precip %d o'clock, %0.1f nm.\n", desc, directionDesc, dist)

test/packetrate.go

@@ -1,19 +1,28 @@
-package main
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
 
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
+package main
 
 import (
 	"fmt"
-//	"time"
+	//	"time"
-	"os"
 	"bufio"
-	"strings"
-	"unicode"
-	"strconv"
 	"github.com/gonum/plot"
 	"github.com/gonum/plot/plotter"
 	"github.com/gonum/plot/plotutil"
 	"github.com/gonum/plot/vg"
+	"os"
 	"sort"
+	"strconv"
+	"strings"
+	"unicode"
 )
 
 func main() {
@@ -37,7 +46,7 @@ func main() {
 		if err != nil {
 			break
 		}
-		buf = strings.TrimFunc(buf, func(r rune) bool {return unicode.IsControl(r)})
+		buf = strings.TrimFunc(buf, func(r rune) bool { return unicode.IsControl(r) })
 		linesplit := strings.Split(buf, ",")
 		if len(linesplit) < 2 { // Blank line or invalid.
 			continue
@@ -53,10 +62,10 @@ func main() {
 
 			// Window number in current session.
 			wnum := int64(i / (60 * 1000000000))
-//			fmt.Printf("%d\n", curWindow)
+			//			fmt.Printf("%d\n", curWindow)
-			if wnum + windowOffset != curWindow { // Switched over.
+			if wnum+windowOffset != curWindow { // Switched over.
 				curWindow = wnum + windowOffset
-				fmt.Printf("ppm=%d\n", ppm[curWindow - 1])
+				fmt.Printf("ppm=%d\n", ppm[curWindow-1])
 			}
 			ppm[curWindow]++
 		}
@@ -80,7 +89,7 @@ func main() {
 
 	pts := make(plotter.XYs, len(ppm))
 	i := 0
-	for _,k := range keys {
+	for _, k := range keys {
 		v := ppm[int64(k)]
 		fmt.Printf("%d, %d\n", k, v)
 		pts[i].X = float64(k)
@@ -92,7 +101,7 @@ func main() {
 	if err != nil {
 		panic(err)
 	}
-	if err := p.Save(4 * vg.Inch, 4 * vg.Inch, "ppm.png"); err != nil {
+	if err := p.Save(4*vg.Inch, 4*vg.Inch, "ppm.png"); err != nil {
 		panic(err)
 	}
-}
+}

test/replay.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (

test/sensortest.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (

test/uat_read.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 // +build ignore
 
 package main

test/uatsummary.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package main
 
 import (

uatparse/uatparse.go

@@ -1,3 +1,13 @@
+/*
+	Copyright (c) 2015-2016 Christopher Young
+	Distributable under the terms of The "BSD New"" License
+	that can be found in the LICENSE file, herein included
+	as part of this header.
+
+	gen_gdl90.go: Input demodulated UAT and 1090ES information, output GDL90. Heartbeat,
+	 ownship, status messages, stats collection.
+*/
+
 package uatparse
 
 import (