kopia lustrzana https://github.com/cyoung/stratux
Detect 'stratux:978' in serial string to keep static 978 tuner dev.
rodzic
4761947799
commit
6f5f69b322
96
main/sdr.go
96
main/sdr.go
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@ -5,6 +5,9 @@ import (
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rtl "github.com/jpoirier/gortlsdr"
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"log"
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"time"
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"os/exec"
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"strconv"
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"strings"
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)
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var uatSDR int // Index.
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@ -12,6 +15,20 @@ var esSDR int // Index.
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var maxSignalStrength int
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func getSDRSerial(dev *rtl.Context) (string, error) {
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info, err := dev.GetHwInfo()
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if err != nil {
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return "", err
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}
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info.Serial = strings.Replace(info.Serial, "\x00", "", -1)
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return info.Serial, nil
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}
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func setSDRSerial(dev *rtl.Context, info rtl.HwInfo) error {
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return dev.SetHwInfo(info)
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}
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// Read 978MHz from SDR.
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func sdrReader() {
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var err error
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@ -24,12 +41,7 @@ func sdrReader() {
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return
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}
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defer dev.Close()
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m, p, s, err := dev.GetUsbStrings()
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if err != nil {
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log.Printf("\tGetUsbStrings Failed - error: %s\n", err)
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} else {
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log.Printf("\tGetUsbStrings - %s %s %s\n", m, p, s)
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}
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log.Printf("\tGetTunerType: %s\n", dev.GetTunerType())
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//---------- Set Tuner Gain ----------
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@ -111,7 +123,7 @@ func sdrReader() {
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log.Printf("\tSetFreqCorrection %d Successful\n", globalSettings.PPM)
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}
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for uatSDR != -1 {
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for uatSDR != -1 && globalSettings.UAT_Enabled {
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var buffer = make([]uint8, rtl.DefaultBufLength)
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nRead, err := dev.ReadSync(buffer, rtl.DefaultBufLength)
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if err != nil {
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@ -124,6 +136,7 @@ func sdrReader() {
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godump978.InChan <- buf
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}
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}
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esSDR = -1
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}
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// Read from the godump978 channel - on or off.
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@ -145,28 +158,75 @@ func sdrWatcher() {
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// Update device count.
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globalStatus.Devices = uint(rtl.GetDeviceCount())
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if uatSDR == -1 && globalSettings.UAT_Enabled {
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if globalStatus.Devices == 0 {
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log.Printf("No RTL-SDR devices.\n")
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if (uatSDR != -1 || !globalSettings.UAT_Enabled) && (esSDR != -1 || !globalSettings.ES_Enabled) {
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// Nothing to do. All devices are set up and running or not required.
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continue
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}
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// Get the device strings for every device that we can.
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devs := make(map[int]string)
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for i := 0; i < int(globalStatus.Devices); i++ {
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dev, err := rtl.Open(i)
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if err != nil {
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continue
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}
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uatSDR = 0
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go sdrReader()
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}
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if esSDR == -1 && globalSettings.ES_Enabled {
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if globalStatus.Devices == 0 || (globalStatus.Devices == 1 && globalSettings.UAT_Enabled) {
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log.Printf("Not enough RTL-SDR devices.\n")
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serial, err := getSDRSerial(dev)
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if err != nil {
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continue
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}
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devs[i] = serial
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dev.Close()
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}
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if uatSDR == -1 && globalSettings.UAT_Enabled {
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for devid, serial := range devs {
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if strings.HasPrefix(serial, "stratux:978") {
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uatSDR = devid
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delete(devs, devid)
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break
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}
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}
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if uatSDR == -1 {
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for devid, _ := range devs {
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uatSDR = devid
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break
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}
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}
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if uatSDR != -1 {
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log.Printf("UAT SDR: %d\n", uatSDR)
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go sdrReader()
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} else {
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log.Printf("Can't start UAT listening - no available RTL-SDR.\n")
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}
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}
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if esSDR == -1 && globalSettings.ES_Enabled {
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for devid, _ := range devs {
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esSDR = devid
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break
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}
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if esSDR != -1 {
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log.Printf("ES SDR: %d\n", esSDR)
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// Assume that this keeps running forever and won't change.
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//TODO: esSDR modify, watch if SDR disappears.
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err := exec.Command("/usr/bin/dump1090", "--net", "--device-index", strconv.Itoa(esSDR)).Run()
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if err != nil {
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log.Printf("Error executing /usr/bin/dump1090: %s\n", err.Error())
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}
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} else {
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log.Printf("Can't start ES listening - no available RTL-SDR.\n")
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}
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esSDR = 1
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}
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}
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}
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func sdrInit() {
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godump978.Dump978Init()
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uatSDR = -1
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esSDR = -1
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go sdrWatcher()
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go uatReader()
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godump978.Dump978Init()
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go godump978.ProcessDataFromChannel()
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}
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@ -1,4 +1,3 @@
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#!/bin/bash
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screen -S stratux -d -m /usr/bin/start_uat
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screen -S dump1090 -d -m /usr/bin/dump1090 --net --device-index 1
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