kopia lustrzana https://github.com/N0BOY/FT8CN
489 wiersze
17 KiB
Java
Executable File
489 wiersze
17 KiB
Java
Executable File
package com.bg7yoz.ft8cn;
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/**
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* Ft8Message类是用于展现FT8信号的解析结果。
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* 包括UTC时间、信噪比、时间偏移、频率、得分、消息的文本、消息的哈希值
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* ----2022.5.6-----
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* time_sec可能是时间偏移，目前还不能完全确定，待后续解决。
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* 1.为方便在列表中显示，各要素通过Get方法，返回String类型的结果。
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* -----2022.5.13---
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* 2.增加i3,n3消息类型内容
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* @author BG7YOZ
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* @date 2022.5.6
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*/
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import android.annotation.SuppressLint;
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import androidx.annotation.NonNull;
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import com.bg7yoz.ft8cn.database.DatabaseOpr;
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import com.bg7yoz.ft8cn.ft8signal.FT8Package;
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import com.bg7yoz.ft8cn.ft8transmit.TransmitCallsign;
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import com.bg7yoz.ft8cn.maidenhead.MaidenheadGrid;
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import com.bg7yoz.ft8cn.rigs.BaseRigOperation;
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import com.bg7yoz.ft8cn.timer.UtcTimer;
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import com.google.android.gms.maps.model.LatLng;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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public class Ft8Message {
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private static String TAG = "Ft8Message";
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public int i3 = 0;
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public int n3 = 0;
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public int signalFormat = FT8Common.FT8_MODE;//是不是FT8格式的消息
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public long utcTime;//UTC时间
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public boolean isValid;//是否是有效信息
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public int snr = 0;//信噪比
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public float time_sec = 0;//时间偏移
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public float freq_hz = 0;//频率
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public int score = 0;//得分
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public int messageHash;//消息的哈希
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public String callsignFrom = null;//发起呼叫的呼号
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public String callsignTo = null;//接收呼叫的呼号
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public String modifier = null;//目标呼号的修饰符 如CQ POTA BG7YOZ OL50中的POTA
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public String extraInfo = null;
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public String maidenGrid = null;
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public int report = -100;//当-100时，意味着没有信号报告
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public long callFromHash10 = 0;//12位长度的哈希码
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public long callFromHash12 = 0;//12位长度的哈希码
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public long callFromHash22 = 0;//12位长度的哈希码
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public long callToHash10 = 0;//12位长度的哈希码
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public long callToHash12 = 0;//12位长度的哈希码
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public long callToHash22 = 0;//12位长度的哈希码
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//private boolean isCallMe = false;//是不是CALL我的消息
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public long band;//载波频率
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public String fromWhere = null;//用于显示地址
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public String toWhere = null;//用于显示地址
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public boolean isQSL_Callsign = false;//是不是通联过的呼号
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public static MessageHashMap hashList = new MessageHashMap();
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public boolean fromDxcc = false;
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public boolean fromItu = false;
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public boolean fromCq = false;
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public boolean toDxcc = false;
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public boolean toItu = false;
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public boolean toCq = false;
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public LatLng fromLatLng = null;
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public LatLng toLatLng = null;
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@NonNull
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@SuppressLint({"SimpleDateFormat", "DefaultLocale"})
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@Override
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public String toString() {
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return String.format("%s %d %+4.2f %4.0f ~ %s Hash : %#06X",
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new SimpleDateFormat("HHmmss").format(utcTime),
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snr, time_sec, freq_hz, getMessageText(), messageHash);
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}
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/**
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* 创建一个解码消息对象，要确定信号的格式。
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*
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* @param signalFormat
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*/
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public Ft8Message(int signalFormat) {
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this.signalFormat = signalFormat;
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}
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public Ft8Message(String callTo, String callFrom, String extraInfo) {
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//如果是自由文本，callTo=CQ,callFrom=MyCall,extraInfo=freeText
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this.callsignTo = callTo.toUpperCase();
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this.callsignFrom = callFrom.toUpperCase();
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this.extraInfo = extraInfo.toUpperCase();
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}
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public Ft8Message(int i3, int n3, String callTo, String callFrom, String extraInfo) {
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this.callsignTo = callTo;
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this.callsignFrom = callFrom;
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this.extraInfo = extraInfo;
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this.i3 = i3;
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this.n3 = n3;
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this.utcTime = UtcTimer.getSystemTime();//用于显示TX
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}
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/**
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* 创建一个解码消息对象
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*
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* @param message 如果message不为null，则创建一个与message内容一样的解码消息对象
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*/
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public Ft8Message(Ft8Message message) {
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if (message != null) {
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signalFormat = message.signalFormat;
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utcTime = message.utcTime;
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isValid = message.isValid;
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snr = message.snr;
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time_sec = message.time_sec;
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freq_hz = message.freq_hz;
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score = message.score;
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band = message.band;
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messageHash = message.messageHash;
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if (message.callsignFrom.equals("<...>")) {//到哈希列表中查一下
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callsignFrom = hashList.getCallsign(new long[]{message.callFromHash10, message.callFromHash12, message.callFromHash22});
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} else {
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callsignFrom = message.callsignFrom;
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}
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if (message.callsignTo.equals("<...>")) {//到哈希列表中查一下
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callsignTo = hashList.getCallsign(new long[]{message.callToHash10, message.callToHash12, message.callToHash22});
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} else {
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callsignTo = message.callsignTo;
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}
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if (message.i3 == 4) {
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hashList.addHash(FT8Package.getHash22(message.callsignFrom), message.callsignFrom);
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hashList.addHash(FT8Package.getHash12(message.callsignFrom), message.callsignFrom);
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hashList.addHash(FT8Package.getHash10(message.callsignFrom), message.callsignFrom);
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}
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extraInfo = message.extraInfo;
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maidenGrid = message.maidenGrid;
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report = message.report;
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callToHash10 = message.callToHash10;
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callToHash12 = message.callToHash12;
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callToHash22 = message.callToHash22;
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callFromHash10 = message.callFromHash10;
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callFromHash12 = message.callFromHash12;
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callFromHash22 = message.callFromHash22;
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i3 = message.i3;
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n3 = message.n3;
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//把哈希和呼号对应关系保存到列表里
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hashList.addHash(callToHash10, callsignTo);
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hashList.addHash(callToHash12, callsignTo);
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hashList.addHash(callToHash22, callsignTo);
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hashList.addHash(callFromHash10, callsignFrom);
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hashList.addHash(callFromHash12, callsignFrom);
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hashList.addHash(callFromHash22, callsignFrom);
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//Log.d(TAG, String.format("i3:%d,n3:%d,From:%s,To:%s", i3, n3, getCallsignFrom(), getCallsignTo()));
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}
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}
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/**
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* 返回解码消息的所使用的频率
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*
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* @return String 为方便显示，返回值是字符串
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*/
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@SuppressLint("DefaultLocale")
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public String getFreq_hz() {
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return String.format("%04.0f", freq_hz);
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}
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/**
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* 返回解码消息的文本内容
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*
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* @return String
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*/
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public String getMessageText() {
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if (i3 == 0 && n3 == 0) {//说明是自由文本
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if (extraInfo.length() < 13) {
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return String.format("%-13s", extraInfo.toUpperCase());
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} else {
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return extraInfo.toUpperCase().substring(0, 13);
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}
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}
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if (modifier != null && checkIsCQ()) {//修饰符
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if (modifier.matches("[0-9]{3}|[A-Z]{1,4}")) {
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return String.format("%s %s %s %s", callsignTo, modifier, callsignFrom, extraInfo).trim();
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}
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}
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return String.format("%s %s %s", callsignTo, callsignFrom, extraInfo).trim();
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}
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/**
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* 返回解码消息带信噪比的内容
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*
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* @return 内容
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*/
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@SuppressLint("DefaultLocale")
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public String getMessageTextWithDb() {
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return String.format("%d %s %s %s", snr, callsignTo, callsignFrom, extraInfo).trim();
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}
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/**
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* 返回消息的延迟时间。可能不一定对，待研究清楚解码算法后在确定
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*
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* @return String 为方便显示，返回值是字符串。
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*/
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@SuppressLint("DefaultLocale")
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public String getDt() {
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return String.format("%.1f", time_sec);
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}
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/**
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* 返回解码消息的信噪比dB值，该计算方法还为搞定，暂时用000代替
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*
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* @return String 为方便显示，返回值是字符串
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*/
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public String getdB() {
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return String.valueOf(snr);
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}
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/**
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* 检查消息处于奇数还是偶数序列。
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*
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* @return boolean 处于偶数序列true，第0,30秒为true
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*/
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public boolean isEvenSequence() {
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if (signalFormat == FT8Common.FT8_MODE) {
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return (utcTime / 1000) % 15 == 0;
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} else {
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return (utcTime / 100) % 75 == 0;
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}
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}
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/**
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* 显示当前消息处于哪一个时间序列的。
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*
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* @return String 以时间周期取模为结果。
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*/
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@SuppressLint("DefaultLocale")
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public int getSequence() {
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if (signalFormat == FT8Common.FT8_MODE) {
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return (int) ((((utcTime + 750) / 1000) / 15) % 2);
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} else {
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return (int) (((utcTime + 370) / 100) / 75) % 2;
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}
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}
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@SuppressLint("DefaultLocale")
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public int getSequence4() {
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if (signalFormat == FT8Common.FT8_MODE) {
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return (int) ((((utcTime + 750) / 1000) / 15) % 4);
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} else {
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return (int) (((utcTime + 370) / 100) / 75) % 4;
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}
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}
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/**
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* 消息中含有mycall呼号的
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*
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* @return boolean
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*/
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public boolean inMyCall() {
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if (GeneralVariables.myCallsign.length() == 0) return false;
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return this.callsignFrom.contains(GeneralVariables.myCallsign)
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|| this.callsignTo.contains(GeneralVariables.myCallsign);
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//return (this.callsignFrom.contains(mycall) || this.callsignTo.contains(mycall)) && (!mycall.equals(""));
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}
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/*
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i3.n3类型 基本目的 消息范例 位字段标签
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0.0 自由文本（Free Text） TNX BOB 73 GL f71
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0.1 远征（DXpedition） K1ABC RR73; W9XYZ <KH1/KH7Z> -08 c28 c28 h10 r5
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0.3 野外日（Field Day） K1ABC W9XYZ 6A WI c28 c28 R1 n4 k3 S7
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0.4 野外日（Field Day） W9XYZ K1ABC R 17B EMA c28 c28 R1 n4 k3 S7
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0.5 遥测（Telemetry） 123456789ABCDEF012 t71
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1. 标准消息（Std Msg） K1ABC/R W9XYZ/R R EN37 c28 r1 c28 r1 R1 g15
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2. 欧盟甚高频（EU VHF） G4ABC/P PA9XYZ JO22 c28 p1 c28 p1 R1 g15
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3. 电传（RTTY RU） K1ABC W9XYZ 579 WI t1 c28 c28 R1 r3 s13
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4. 非标准呼叫（NonStd Call） <W9XYZ> PJ4/K1ABC RRR h12 c58 h1 r2 c1
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5. 欧盟甚高频（EU VHF） <G4ABC> <PA9XYZ> R 570007 JO22DB h12 h22 R1 r3 s11 g25
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*/
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/*
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标签 传达的信息
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c1 第一个呼号是CQ；h12被忽略
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c28 标准呼号、CQ、DE、QRZ或22位哈希
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c58 非标准呼号，最多11个字符
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f71 自由文本，最多13个字符
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g15 4字符网格、报告、RRR、RR73、73或空白
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g25 6字符网格
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h1 哈希呼号是第二个呼号
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h10 哈希呼号，10位
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h12 哈希呼号，12位
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h22 哈希呼号，22位
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k3 野外日级别（Class）：A、B、…F
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n4 发射器数量：1-16、17-32
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p1 呼号后缀 /P
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r1 呼号后缀/R
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r2 RRR、RR73、73、或空白
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r3 报告：2-9，显示为529-599或52-59
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R1 R
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r5 报告：-30到+30，仅偶数
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s11 序列号（0-2047）
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s13 序列号（0-7999）或州/省
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S7 ARRL/RAC部分
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t1 TU;
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t71 遥感数据，最多18位十六进制数字
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*/
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/**
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* 获取发送者的呼号，fromTo的最终解决办法要在decode.c中解决---TO DO----
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* 可获取发送者呼号的消息类型为i1，i2,i3,i4,i5,i0.1,i0.3,i0.4
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*
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* @return String 返回呼号
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*/
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public String getCallsignFrom() {
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if (callsignFrom == null) {
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return "";
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}
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return callsignFrom.replace("<", "").replace(">", "");
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}
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/**
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* 获取通联信息中的接收呼号
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*
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* @return
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*/
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public String getCallsignTo() {
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if (callsignTo == null) {
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return "";
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}
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if (callsignTo.length() < 2) {
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return "";
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}
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if (callsignTo.substring(0, 2).equals("CQ") || callsignTo.substring(0, 2).equals("DE")
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|| callsignTo.substring(0, 3).equals("QRZ")) {
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return "";
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}
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return callsignTo.replace("<", "").replace(">", "");
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}
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/**
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* 从消息中获取梅登海德网格信息
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*
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* @return String，梅登海德网格，如果没有返回""。
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*/
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public String getMaidenheadGrid(DatabaseOpr db) {
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if (i3 != 1 && i3 != 2) {//一般只有i3=1或i3=2，标准消息，甚高频消息才有网格
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return GeneralVariables.getGridByCallsign(callsignFrom, db);//到对应表中找一下网格
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} else {
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String[] msg = getMessageText().split(" ");
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if (msg.length < 1) {
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return GeneralVariables.getGridByCallsign(callsignFrom, db);//到对应表中找一下网格
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}
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String s = msg[msg.length - 1];
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if (MaidenheadGrid.checkMaidenhead(s)) {
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return s;
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} else {//不是网格信息，就可能是信号报告
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return GeneralVariables.getGridByCallsign(callsignFrom, db);//到对应表中找一下网格
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}
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}
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}
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public String getToMaidenheadGrid(DatabaseOpr db) {
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if (checkIsCQ()) return "";
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return GeneralVariables.getGridByCallsign(callsignTo, db);
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}
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/**
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* 查看消息是不是CQ
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*
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* @return boolean 是CQ返回true
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*/
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public boolean checkIsCQ() {
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String s = callsignTo.trim().split(" ")[0];
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if (s == null) {
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return false;
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} else {
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return (s.equals("CQ") || s.equals("DE") || s.equals("QRZ"));
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}
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}
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/**
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* 查消息的类型。i3.n3。
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*
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* @return 消息类型
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*/
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public String getCommandInfo() {
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return getCommandInfoByI3N3(i3, n3);
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}
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/**
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* 查消息的类型。i3.n3。
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*
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* @param i i3
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* @param n n3
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* @return 消息类型
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*/
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@SuppressLint("DefaultLocale")
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public static String getCommandInfoByI3N3(int i, int n) {
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String format = "%d.%d:%s";
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switch (i) {
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case 1:
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case 2:
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return String.format(format, i, 0, GeneralVariables.getStringFromResource(R.string.std_msg));
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case 5:
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case 3:
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case 4:
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return String.format(format, i, 0, GeneralVariables.getStringFromResource(R.string.none_std_msg));
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case 0:
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switch (n) {
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case 0:
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return String.format(format, i, n, GeneralVariables.getStringFromResource(R.string.free_text));
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case 1:
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return String.format(format, i, n, GeneralVariables.getStringFromResource(R.string.dXpedition));
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case 3:
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case 4:
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return String.format(format, i, n, GeneralVariables.getStringFromResource(R.string.field_day));
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case 5:
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return String.format(format, i, n, GeneralVariables.getStringFromResource(R.string.telemetry));
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}
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}
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return "";
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}
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//获取发送者的传输对象
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public TransmitCallsign getFromCallTransmitCallsign() {
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return new TransmitCallsign(this.i3, this.n3, this.callsignFrom, freq_hz
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, this.getSequence()
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, snr);
|
||
}
|
||
|
||
//获取发送者的传输对象，注意！！！与发送者的时序是相反的！！！
|
||
public TransmitCallsign getToCallTransmitCallsign() {
|
||
if (report == -100) {//如果消息中没有信号报告，就用发送方的SNR代替
|
||
return new TransmitCallsign(this.i3, this.n3, this.callsignTo, freq_hz, (this.getSequence() + 1) % 2, snr);
|
||
} else {
|
||
return new TransmitCallsign(this.i3, this.n3, this.callsignTo, freq_hz, (this.getSequence() + 1) % 2, report);
|
||
}
|
||
}
|
||
|
||
@SuppressLint("DefaultLocale")
|
||
public String toHtml() {
|
||
StringBuilder result = new StringBuilder();
|
||
|
||
result.append("<td class=\"default\" >");
|
||
result.append(UtcTimer.getDatetimeStr(utcTime));
|
||
result.append("</td>\n");
|
||
|
||
result.append("<td class=\"default\" >");
|
||
result.append(getdB());
|
||
result.append("</td>\n");
|
||
|
||
result.append("<td class=\"default\" >");
|
||
result.append(String.format("%.1f", time_sec));
|
||
result.append("</td>\n");
|
||
|
||
result.append("<td class=\"default\" >");
|
||
result.append(String.format("%.0f", freq_hz));
|
||
result.append("</td>\n");
|
||
|
||
result.append("<td class=\"default\" >");
|
||
result.append(getMessageText());
|
||
result.append("</td>\n");
|
||
|
||
result.append("<td class=\"default\" >");
|
||
result.append(BaseRigOperation.getFrequencyStr(band));
|
||
result.append("</td>\n");
|
||
|
||
return result.toString();
|
||
}
|
||
}
|