From b32ecfab276fb8e1dff0e1d72ed819b548323328 Mon Sep 17 00:00:00 2001
From: Arturs Artamonovs <arturs.artamonovs@protonmail.com>
Date: Tue, 16 Jul 2024 06:45:43 +0100
Subject: Working implementation of ADSB loaded from file. Net1090 can read
 from dump1090 socket

---
 ADSBDecoder/AirplaneTracker.swift |  1 -
 ADSBDecoder/Configs.swift         | 10 ++++++++++
 ADSBDecoder/Decoder.swift         | 34 +++++++++++++++++++++-------------
 ADSBDecoder/PositionDecoder.swift |  2 +-
 ADSBDecoder/main.swift            |  3 ---
 5 files changed, 32 insertions(+), 18 deletions(-)
 create mode 100644 ADSBDecoder/Configs.swift

(limited to 'ADSBDecoder')

diff --git a/ADSBDecoder/AirplaneTracker.swift b/ADSBDecoder/AirplaneTracker.swift
index f346201..96c4d5f 100644
--- a/ADSBDecoder/AirplaneTracker.swift
+++ b/ADSBDecoder/AirplaneTracker.swift
@@ -67,7 +67,6 @@ class AirPlaneTracker {
         }
         
     }
-
     
     func getPosition(_ address: Int) -> (Double,Double)? {
         if (airplanes[address] == nil) {
diff --git a/ADSBDecoder/Configs.swift b/ADSBDecoder/Configs.swift
new file mode 100644
index 0000000..97ab31c
--- /dev/null
+++ b/ADSBDecoder/Configs.swift
@@ -0,0 +1,10 @@
+//
+//  Configs.swift
+//  ADSBDecoder
+//
+//  Created by Jacky Jack on 09/07/2024.
+//
+
+import Foundation
+
+var decoder_debug_mode = true
diff --git a/ADSBDecoder/Decoder.swift b/ADSBDecoder/Decoder.swift
index 65a9ddd..a9724b6 100644
--- a/ADSBDecoder/Decoder.swift
+++ b/ADSBDecoder/Decoder.swift
@@ -25,7 +25,7 @@ class Decoder {
     var DataFormat: UInt32 = 0;
     
     init (_ adsb_data: String) {
-        print(adsb_data)
+        //print(adsb_data)
         self.adsb_data = adsb_data
         //get the first 8 bits as integer
         let startI =  adsb_data.startIndex
@@ -38,7 +38,7 @@ class Decoder {
             DataFormat = CM_DataFormat
             //let CM_TranspoderCapability = ControlMsg&(0x7)
         }
-        print("Data Format \(DataFormat)")
+        //print("Data Format \(DataFormat)")
     }
     
     func getDataFormat17() -> DataFormat17? {
@@ -114,7 +114,7 @@ class DataFormat17 {
                 endN = adsb_data.index(startN, offsetBy: 1)
             }
         }
-        print(bindata)
+        //print(bindata)
         
         //Decode Capability
         let cap = (bindata[0]>>1)&0x7
@@ -136,25 +136,33 @@ class DataFormat17 {
         //aircraft indentification and category
         if (tc_byte == 4) {
             let msg = ADSBTypeCodeIndentification(bindata[4...10])
-            print("=====ADSB MESSSGE 04 =======")
-            print(msg)
-            print("============================")
+            if decoder_debug_mode {
+                print("=====ADSB MESSSGE 04 =======")
+                print(msg)
+                print("============================")
+            }
             
             messageIdentification = msg
         //airborn position
         } else if ((tc_byte >= 8) && (tc_byte <= 18)) {
             let msg = ADSBTypeCodeAirbonePositon(bindata[4...10])
-            print(String(format:"=====ADSB MESSSGE %02d ======= AA:%04d", tc_byte, AddressAnnounced))
-            print(msg)
-            print("============================")
+            if decoder_debug_mode {
+                print(String(format:"=====ADSB MESSSGE %02d ======= AA:%04d", tc_byte, AddressAnnounced))
+                print(msg)
+                print("============================")
+            }
             
             messageAirbornPositon = msg
         //airborn velocity
         } else if (tc_byte == 19) {
-            print("=====ADSB MESSSGE 19 =======")
-            print("=====VELOCITY =======")
+            if decoder_debug_mode {
+                print("=====ADSB MESSSGE 19 =======")
+                print("=====VELOCITY =======")
+            }
         } else {
-            print("=====ADSB MESSSGE UNKNOWN =======")
+            if decoder_debug_mode {
+                print("=====ADSB MESSSGE UNKNOWN =======")
+            }
         }
     }
 }
@@ -176,7 +184,7 @@ class ADSBTypeCodeIndentification: CustomStringConvertible {
         let char_6 = (bindata[9]&0xf)<<2 + (bindata[10]>>6)
         let char_7 = bindata[10]&0x3f
         
-        print(char_0, char_1, char_2,char_3,char_4,char_5,char_6,char_7)
+        //print(char_0, char_1, char_2,char_3,char_4,char_5,char_6,char_7)
         ICAOName = ICAO2String(char_0, char_1, char_2, char_3, char_4, char_5, char_6, char_7)
         //print("ICAO name \(ICAOName)")
     }
diff --git a/ADSBDecoder/PositionDecoder.swift b/ADSBDecoder/PositionDecoder.swift
index 7d77221..85b9d49 100644
--- a/ADSBDecoder/PositionDecoder.swift
+++ b/ADSBDecoder/PositionDecoder.swift
@@ -162,7 +162,7 @@ class PositionDecoder {
         let cpr_even = el1.even ? el1 : el2
         let cpr_odd  = (!el1.even) ? el1 : el2
         
-        print("Position queue is ready to calculate location \(cpr_even) \(cpr_odd)")
+        //print("Position queue is ready to calculate location \(cpr_even) \(cpr_odd)")
         // from here https://github.com/antirez/dump1090/blob/master/dump1090.c#L1718
         let AirDlat0:Double = 360.0/60.0
         let AirDlat1:Double = 360.0/59.0
diff --git a/ADSBDecoder/main.swift b/ADSBDecoder/main.swift
index 3148a9d..f75cdfb 100644
--- a/ADSBDecoder/main.swift
+++ b/ADSBDecoder/main.swift
@@ -81,9 +81,6 @@ for line in adsb_source.components(separatedBy: .newlines) {
                             airbornposition.Altitude,
                             airbornposition.CPRFormat == 0
                         )
-                        if let position = tracker.getPosition(d17.AddressAnnounced) {
-                            print("position: \(position)")
-                        }
                     }
                     q_df17_decoded.addDecoded(d17.TypeCode)
                 } else {
-- 
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