update

README.md

@@ -2,7 +2,7 @@
 The purpose of this project is to transfer data (pictures...) via a 2,7kHz SSB channel on the narrow band transponder as fast as possible.
 
 # this is work in progress
-Version 0.52
+Version 0.55
 Windows 10 (should work on Win7, not tested)
 linux Desktop PC, 
 Odroid SBC

hsmodem/Makefile

@@ -9,7 +9,7 @@
 
 CXXFLAGS = -Wall -O3 -std=c++0x -Wno-write-strings -Wno-narrowing
 LDFLAGS = -lpthread -lrt -lsndfile -lasound -lm -lopus -lfftw3 -lfftw3_threads -lliquid -lcodec2 -lsoundio
-OBJ = hsmodem.o constellation.o crc16.o frame_packer.o main_helper.o scrambler.o speed.o fec.o udp.o fft.o liquid_if.o symboltracker.o voiceprocessor.o codec2.o soundio.o fifo.o announcement.o fifo_voice.o voiceio.o
+OBJ = hsmodem.o constellation.o crc16.o frame_packer.o main_helper.o scrambler.o speed.o fec.o udp.o fft.o liquid_if.o symboltracker.o voiceprocessor.o codec2.o soundio.o fifo.o announcement.o fifo_voice.o voiceio.o tuning.o
 
 default: $(OBJ)
 	mkdir -p ../hsmodemLinux

hsmodem/Release/hsmodem.Build.CppClean.log

@@ -0,0 +1,32 @@
+e:\funk\hsmodem\hsmodem\release\vc140.pdb
+e:\funk\hsmodem\hsmodem\release\tuning.obj
+e:\funk\hsmodem\hsmodem\release\liquid_if.obj
+e:\funk\hsmodem\hsmodem\release\fft.obj
+e:\funk\hsmodem\hsmodem\release\voiceprocessor.obj
+e:\funk\hsmodem\hsmodem\release\voiceio.obj
+e:\funk\hsmodem\hsmodem\release\udp.obj
+e:\funk\hsmodem\hsmodem\release\symboltracker.obj
+e:\funk\hsmodem\hsmodem\release\speed.obj
+e:\funk\hsmodem\hsmodem\release\soundio.obj
+e:\funk\hsmodem\hsmodem\release\scrambler.obj
+e:\funk\hsmodem\hsmodem\release\main_helper.obj
+e:\funk\hsmodem\hsmodem\release\hsmodem.obj
+e:\funk\hsmodem\hsmodem\release\frame_packer.obj
+e:\funk\hsmodem\hsmodem\release\fifo_voice.obj
+e:\funk\hsmodem\hsmodem\release\fifo.obj
+e:\funk\hsmodem\hsmodem\release\fec.obj
+e:\funk\hsmodem\hsmodem\release\crc16.obj
+e:\funk\hsmodem\hsmodem\release\constellation.obj
+e:\funk\hsmodem\hsmodem\release\codec2.obj
+e:\funk\hsmodem\hsmodem\release\announcement.obj
+e:\funk\hsmodem\winrelease\hsmodem.exe
+e:\funk\hsmodem\winrelease\hsmodem.ipdb
+e:\funk\hsmodem\winrelease\hsmodem.iobj
+e:\funk\hsmodem\winrelease\hsmodem.pdb
+e:\funk\hsmodem\hsmodem\..\winrelease\hsmodem.exe
+e:\funk\hsmodem\hsmodem\release\hsmodem.tlog\cl.command.1.tlog
+e:\funk\hsmodem\hsmodem\release\hsmodem.tlog\cl.read.1.tlog
+e:\funk\hsmodem\hsmodem\release\hsmodem.tlog\cl.write.1.tlog
+e:\funk\hsmodem\hsmodem\release\hsmodem.tlog\link.command.1.tlog
+e:\funk\hsmodem\hsmodem\release\hsmodem.tlog\link.read.1.tlog
+e:\funk\hsmodem\hsmodem\release\hsmodem.tlog\link.write.1.tlog

hsmodem/Release/hsmodem.log

@@ -1 +1,24 @@
-  hsmodem.vcxproj -> E:\funk\hsmodem\hsmodem\..\WinRelease\hsmodem.exe
+  announcement.cpp
+  codec2.cpp
+  constellation.cpp
+  crc16.cpp
+  fec.cpp
+  fft.cpp
+  fifo.cpp
+  fifo_voice.cpp
+  frame_packer.cpp
+  hsmodem.cpp
+  liquid_if.cpp
+  main_helper.cpp
+  scrambler.cpp
+  soundio.cpp
+  speed.cpp
+  symboltracker.cpp
+  tuning.cpp
+  udp.cpp
+  voiceio.cpp
+  voiceprocessor.cpp
+  Code wird generiert.
+  All 602 functions were compiled because no usable IPDB/IOBJ from previous compilation was found.
+  Codegenerierung ist abgeschlossen.
+  hsmodem.vcxproj -> E:\funk\hsmodem\hsmodem\..\WinRelease\hsmodem.exe

hsmodem/fft.cpp

@@ -159,7 +159,12 @@ int yidx = 0;
 
 uint16_t* mean(uint16_t* f)
 {
+    
     static uint16_t fa[FFT_AUDIOSAMPLERATE / 2 + 1];
+
+    if (tuning)
+        return f;
+
     // first smooth X values
     for (int x = 0; x < smoothX / 2; x++)
         fa[x] = f[x];
@@ -189,6 +194,10 @@ uint16_t* mean(uint16_t* f)
         fa[i] /= smoothY;
     }
 
+    // do not smooth 2950 to 3050 Hz
+    for (int i = 295; i < 305; i++)
+        fa[i] = f[i];
+
     return fa;
 }
 
@@ -207,7 +216,7 @@ void _init_fft()
     // decimate 44.1k or 48k down to 8000Hz
     // the FFT rate is 800, but we feed it with 8000 Samplerate
     // this results in a new fft every 100ms with a resolution of 10 Hz
-    float ratio = 10.0f * (float)FFT_AUDIOSAMPLERATE / (float)caprate;
+    float ratio = 10.0f * (float)FFT_AUDIOSAMPLERATE / (float)physcaprate;
     fftdecim = msresamp_crcf_create(ratio, 40.0f);
 
 }

hsmodem/hsmodem.cpp

@@ -86,6 +86,8 @@ float softwareLSvolume = 1;
 int announcement = 0;
 int VoiceAudioMode = VOICEMODE_OFF;
 int codec = 1;  // 0=opus, 1=codec2
+int tuning = 0;
+int marker = 0;
 
 int init_audio_result = 0;
 int init_voice_result = 0;
@@ -247,6 +249,11 @@ int main(int argc, char* argv[])
                 encode(f);
             }
         }
+
+        if (tuning != 0)
+        {
+            do_tuning(tuning);
+        }
         
         // demodulate incoming audio data stream
         static uint64_t old_tm = 0;
@@ -482,6 +489,7 @@ void appdata_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock)
     if (type == 20)
     {
         // reset liquid RX modem
+        tuning = 0;
         resetModem();
         io_clear_audio_fifos();
         return;
@@ -555,6 +563,24 @@ void appdata_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock)
         // GUI requests termination of this hsmodem
         printf("shut down hsmodem\n");
         closeAllandTerminate();
+        return;
+    }
+
+    if (type == 27)
+    {
+        // send Tuning tones
+        printf("Tuning mode active\n");
+        VoiceAudioMode = VOICEMODE_OFF;
+        tuning_runtime = 0;
+        tuning = minfo;
+        return;
+    }
+
+    if (type == 28)
+    {
+        printf("marker:%d\n",minfo);
+        marker = minfo;
+        return;
     }
 
     // here we are with payload data to be sent via the modulator

hsmodem/hsmodem.h

@@ -203,6 +203,9 @@ void km_symtrack_execute(liquid_float_complex _x, liquid_float_complex* _y, unsi
 void io_saveStream(float f);
 void playIntro();
 void io_clear_voice_fifos();
+float do_tuning(int send);
+void init_tune();
+float singleFrequency();
 
 
 extern int speedmode;
@@ -242,6 +245,9 @@ extern int restart_modems;
 extern int safemode;
 extern char homepath[];
 extern int sendIntro;
+extern int tuning;
+extern uint32_t tuning_runtime;
+extern int marker;
 
 #ifdef _LINUX_
 int isRunning(char* prgname);

hsmodem/hsmodem.vcxproj

@@ -255,6 +255,7 @@
     <ClCompile Include="soundio.cpp" />
     <ClCompile Include="speed.cpp" />
     <ClCompile Include="symboltracker.cpp" />
+    <ClCompile Include="tuning.cpp" />
     <ClCompile Include="udp.cpp" />
     <ClCompile Include="voiceio.cpp" />
     <ClCompile Include="voiceprocessor.cpp" />

hsmodem/hsmodem.vcxproj.filters

@@ -72,6 +72,9 @@
     <ClCompile Include="voiceio.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="tuning.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="hsmodem.h">

hsmodem/liquid_if.cpp

@@ -193,7 +193,7 @@ void modulator(uint8_t sym_in)
     {
         // move sample to 1,5kHz carrier
         nco_crcf_step(upnco);
-        
+
         liquid_float_complex c;
         nco_crcf_mix_up(upnco,y[i],&c);
         float usb = c.real + c.imag;
@@ -207,7 +207,10 @@ void modulator(uint8_t sym_in)
             if(fs > 20000) break;
             sleep_ms(10);
         }
-        
+
+        if(marker)
+            usb += singleFrequency() / 10.0f;
+
         io_pb_write_fifo(usb * 0.2f); // reduce volume and send to soundcard
     }
 }

hsmodem/soundio.cpp

@@ -615,6 +615,8 @@ int io_init_sound(char *pbname, char *capname)
     printf("physical capture rate:%d, logical capture rate:%d\n", caprate, caprate);
     printf("format: %s\n\n", soundio_format_string(outstream->format));
     
+    init_tune();
+
 	return init_audio_result;
 }
 

hsmodem/tuning.cpp

@@ -0,0 +1,113 @@
+/*
+* High Speed modem to transfer data in a 2,7kHz SSB channel
+* =========================================================
+* Author: DJ0ABR
+*
+*   (c) DJ0ABR
+*   www.dj0abr.de
+*
+*   This program is free software; you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation; either version 2 of the License, or
+*   (at your option) any later version.
+*
+*   This program is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with this program; if not, write to the Free Software
+*   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*
+* tuning.c ... generate tuning tones and feed audio to TRX
+*
+*/
+
+#include "hsmodem.h"
+
+
+
+
+#define NUMFREQ 12
+int tunefreq[NUMFREQ] = { 150,420,690,960,1230,1500,1770,2040,2310,2580,2850,3000 };
+nco_crcf tunenco[NUMFREQ];
+uint32_t tuning_runtime = 0;
+
+void init_tune()
+{
+    static int f = 1;
+    if (f)
+    {
+        for (int i = 0; i < NUMFREQ; i++)
+            tunenco[i] = NULL;
+        f = 0;
+    }
+
+    for (int i = 0; i < NUMFREQ; i++)
+    {
+        if (tunenco[i] != NULL) nco_crcf_destroy(tunenco[i]);
+
+        // create NCO for frequency
+        printf("tuning: physcaprate:%d\n", physcaprate);
+        float rad_per_sample = ((2.0f * (float)M_PI * (float)tunefreq[i]) / (float)caprate);
+        tunenco[i] = nco_crcf_create(LIQUID_NCO);
+        nco_crcf_set_phase(tunenco[i], 0.0f);
+        nco_crcf_set_frequency(tunenco[i], rad_per_sample);
+    }
+}
+
+// send= 1 ... send all frequencies to soundcard
+// send= 2,3,4 ... send a single freq to soundcard
+float do_tuning(int send)
+{
+    if (tunenco == NULL) return 0.0f;
+    if (send < 0 || send > 4) return 0.0f;
+
+    float f = 0;
+    if (send == 1)
+    {
+        for (int i = 0; i < NUMFREQ; i++)
+        {
+            nco_crcf_step(tunenco[i]);
+            float v = nco_crcf_sin(tunenco[i]);
+            f += v;
+        }
+        f /= 3;
+    }
+    else
+    {
+        nco_crcf_step(tunenco[send-2]);
+        f = nco_crcf_sin(tunenco[send-2]);
+    }
+
+    // adapt speed to soundcard samplerate
+    int fs;
+    while (1) 
+    {
+        fs = io_pb_fifo_freespace(0);
+        // wait until there is space in fifo
+        if (fs > 20000) break;
+        sleep_ms(10);
+    }
+
+    io_pb_write_fifo(f * 0.05f); // reduce volume and send to soundcard
+
+    if (++tuning_runtime >= (48000 * 5 * 60))
+    {
+        // 5min max time
+        printf("Maximum tuning time, switch off tuning\n");
+        tuning = 0;
+    }
+    return f;
+}
+
+float singleFrequency()
+{
+    int i = 11; // 3000 Hz
+
+    if (tunenco[i] == NULL) return 0.0f;
+
+    nco_crcf_step(tunenco[i]);
+    return nco_crcf_sin(tunenco[i]);
+}

oscardata/oscardata/Form1.Designer.cs

@@ -41,6 +41,8 @@
             this.timer_qpsk = new System.Windows.Forms.Timer(this.components);
             this.panel_txspectrum = new System.Windows.Forms.Panel();
             this.tabPage_ber = new System.Windows.Forms.TabPage();
+            this.bt_allf = new System.Windows.Forms.Button();
+            this.lb_tuningqrgs = new System.Windows.Forms.Label();
             this.button_stopBERtest = new System.Windows.Forms.Button();
             this.imageList1 = new System.Windows.Forms.ImageList(this.components);
             this.button_startBERtest = new System.Windows.Forms.Button();
@@ -149,6 +151,7 @@
             this.progressBar_fifo = new oscardata.KmProgressBar();
             this.vu_cap = new oscardata.KmProgressBar();
             this.vu_pb = new oscardata.KmProgressBar();
+            this.cb_marker = new System.Windows.Forms.CheckBox();
             this.statusStrip1.SuspendLayout();
             this.tabPage_ber.SuspendLayout();
             this.tabPage_image.SuspendLayout();
@@ -256,6 +259,8 @@
             // tabPage_ber
             // 
             this.tabPage_ber.BackColor = System.Drawing.Color.Transparent;
+            this.tabPage_ber.Controls.Add(this.bt_allf);
+            this.tabPage_ber.Controls.Add(this.lb_tuningqrgs);
             this.tabPage_ber.Controls.Add(this.button_stopBERtest);
             this.tabPage_ber.Controls.Add(this.button_startBERtest);
             this.tabPage_ber.Controls.Add(this.rtb);
@@ -263,10 +268,30 @@
             this.tabPage_ber.Location = new System.Drawing.Point(4, 23);
             this.tabPage_ber.Name = "tabPage_ber";
             this.tabPage_ber.Padding = new System.Windows.Forms.Padding(3);
-            this.tabPage_ber.Size = new System.Drawing.Size(1291, 552);
+            this.tabPage_ber.Size = new System.Drawing.Size(1280, 552);
             this.tabPage_ber.TabIndex = 0;
             this.tabPage_ber.Text = "BER Test";
             // 
+            // bt_allf
+            // 
+            this.bt_allf.Location = new System.Drawing.Point(537, 18);
+            this.bt_allf.Name = "bt_allf";
+            this.bt_allf.Size = new System.Drawing.Size(95, 23);
+            this.bt_allf.TabIndex = 25;
+            this.bt_allf.Text = "150..2850 Hz";
+            this.bt_allf.UseVisualStyleBackColor = true;
+            this.bt_allf.Click += new System.EventHandler(this.bt_allf_Click);
+            // 
+            // lb_tuningqrgs
+            // 
+            this.lb_tuningqrgs.AutoSize = true;
+            this.lb_tuningqrgs.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+            this.lb_tuningqrgs.Location = new System.Drawing.Point(436, 22);
+            this.lb_tuningqrgs.Name = "lb_tuningqrgs";
+            this.lb_tuningqrgs.Size = new System.Drawing.Size(84, 13);
+            this.lb_tuningqrgs.TabIndex = 21;
+            this.lb_tuningqrgs.Text = "Frequency Test:";
+            // 
             // button_stopBERtest
             // 
             this.button_stopBERtest.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
@@ -318,7 +343,7 @@
             this.rtb.Font = new System.Drawing.Font("Courier New", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
             this.rtb.Location = new System.Drawing.Point(6, 51);
             this.rtb.Name = "rtb";
-            this.rtb.Size = new System.Drawing.Size(1270, 494);
+            this.rtb.Size = new System.Drawing.Size(1266, 494);
             this.rtb.TabIndex = 0;
             this.rtb.Text = "";
             // 
@@ -334,7 +359,7 @@
             this.tabPage_image.Location = new System.Drawing.Point(4, 23);
             this.tabPage_image.Name = "tabPage_image";
             this.tabPage_image.Padding = new System.Windows.Forms.Padding(3);
-            this.tabPage_image.Size = new System.Drawing.Size(1291, 552);
+            this.tabPage_image.Size = new System.Drawing.Size(1280, 552);
             this.tabPage_image.TabIndex = 1;
             this.tabPage_image.Text = "Image";
             // 
@@ -508,7 +533,7 @@
             this.tabControl1.Location = new System.Drawing.Point(5, 3);
             this.tabControl1.Name = "tabControl1";
             this.tabControl1.SelectedIndex = 0;
-            this.tabControl1.Size = new System.Drawing.Size(1299, 579);
+            this.tabControl1.Size = new System.Drawing.Size(1288, 579);
             this.tabControl1.TabIndex = 3;
             // 
             // tabPage_file
@@ -528,7 +553,7 @@
             this.tabPage_file.ImageIndex = 9;
             this.tabPage_file.Location = new System.Drawing.Point(4, 23);
             this.tabPage_file.Name = "tabPage_file";
-            this.tabPage_file.Size = new System.Drawing.Size(1291, 552);
+            this.tabPage_file.Size = new System.Drawing.Size(1280, 552);
             this.tabPage_file.TabIndex = 2;
             this.tabPage_file.Text = "File";
             // 
@@ -670,7 +695,7 @@
             this.tabPage_audio.ImageIndex = 11;
             this.tabPage_audio.Location = new System.Drawing.Point(4, 23);
             this.tabPage_audio.Name = "tabPage_audio";
-            this.tabPage_audio.Size = new System.Drawing.Size(1291, 552);
+            this.tabPage_audio.Size = new System.Drawing.Size(1280, 552);
             this.tabPage_audio.TabIndex = 5;
             this.tabPage_audio.Text = "Voice Audio";
             // 
@@ -928,7 +953,7 @@
             this.tabPage_setup.ImageIndex = 6;
             this.tabPage_setup.Location = new System.Drawing.Point(4, 23);
             this.tabPage_setup.Name = "tabPage_setup";
-            this.tabPage_setup.Size = new System.Drawing.Size(1291, 552);
+            this.tabPage_setup.Size = new System.Drawing.Size(1280, 552);
             this.tabPage_setup.TabIndex = 4;
             this.tabPage_setup.Text = "Setup";
             // 
@@ -943,9 +968,9 @@
             this.groupBox4.Controls.Add(this.tb_shutdown);
             this.groupBox4.Controls.Add(this.bt_resetmodem);
             this.groupBox4.Controls.Add(this.textBox3);
-            this.groupBox4.Location = new System.Drawing.Point(12, 257);
+            this.groupBox4.Location = new System.Drawing.Point(12, 313);
             this.groupBox4.Name = "groupBox4";
-            this.groupBox4.Size = new System.Drawing.Size(674, 121);
+            this.groupBox4.Size = new System.Drawing.Size(743, 121);
             this.groupBox4.TabIndex = 15;
             this.groupBox4.TabStop = false;
             this.groupBox4.Text = "Maintenance";
@@ -1038,6 +1063,7 @@
             this.bt_resetmodem.TabIndex = 6;
             this.bt_resetmodem.Text = "Reset RX Modem";
             this.bt_resetmodem.UseVisualStyleBackColor = true;
+            this.bt_resetmodem.Visible = false;
             this.bt_resetmodem.Click += new System.EventHandler(this.bt_resetmodem_Click);
             // 
             // textBox3
@@ -1055,6 +1081,7 @@
             // 
             // groupBox3
             // 
+            this.groupBox3.Controls.Add(this.cb_marker);
             this.groupBox3.Controls.Add(this.vu_cap);
             this.groupBox3.Controls.Add(this.vu_pb);
             this.groupBox3.Controls.Add(this.pb_audioCAPstatus);
@@ -1069,7 +1096,7 @@
             this.groupBox3.Controls.Add(this.label4);
             this.groupBox3.Location = new System.Drawing.Point(12, 144);
             this.groupBox3.Name = "groupBox3";
-            this.groupBox3.Size = new System.Drawing.Size(674, 107);
+            this.groupBox3.Size = new System.Drawing.Size(743, 163);
             this.groupBox3.TabIndex = 14;
             this.groupBox3.TabStop = false;
             this.groupBox3.Text = "Transceiver Audio";
@@ -1197,7 +1224,7 @@
             this.groupBox2.Controls.Add(this.cb_stampcall);
             this.groupBox2.Location = new System.Drawing.Point(12, 13);
             this.groupBox2.Name = "groupBox2";
-            this.groupBox2.Size = new System.Drawing.Size(674, 127);
+            this.groupBox2.Size = new System.Drawing.Size(734, 127);
             this.groupBox2.TabIndex = 13;
             this.groupBox2.TabStop = false;
             this.groupBox2.Text = "Personal Settings";
@@ -1388,7 +1415,7 @@
             this.tabPage_about.ImageIndex = 12;
             this.tabPage_about.Location = new System.Drawing.Point(4, 23);
             this.tabPage_about.Name = "tabPage_about";
-            this.tabPage_about.Size = new System.Drawing.Size(1291, 552);
+            this.tabPage_about.Size = new System.Drawing.Size(1280, 552);
             this.tabPage_about.TabIndex = 6;
             this.tabPage_about.Text = "About";
             this.tabPage_about.UseVisualStyleBackColor = true;
@@ -1538,6 +1565,18 @@
             this.vu_pb.Size = new System.Drawing.Size(100, 10);
             this.vu_pb.TabIndex = 19;
             // 
+            // cb_marker
+            // 
+            this.cb_marker.AutoSize = true;
+            this.cb_marker.Location = new System.Drawing.Point(605, 21);
+            this.cb_marker.Name = "cb_marker";
+            this.cb_marker.RightToLeft = System.Windows.Forms.RightToLeft.No;
+            this.cb_marker.Size = new System.Drawing.Size(123, 17);
+            this.cb_marker.TabIndex = 27;
+            this.cb_marker.Text = "3kHz Tuning Marker";
+            this.cb_marker.UseVisualStyleBackColor = true;
+            this.cb_marker.CheckedChanged += new System.EventHandler(this.cb_marker_CheckedChanged);
+            // 
             // Form1
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
@@ -1562,11 +1601,12 @@
             this.ForeColor = System.Drawing.SystemColors.ControlText;
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
             this.Name = "Form1";
-            this.Text = "AMSAT-DL Multimedia HS Modem V0.53 by DJ0ABR";
+            this.Text = "AMSAT-DL Multimedia HS Modem V0.55 by DJ0ABR";
             this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
             this.statusStrip1.ResumeLayout(false);
             this.statusStrip1.PerformLayout();
             this.tabPage_ber.ResumeLayout(false);
+            this.tabPage_ber.PerformLayout();
             this.tabPage_image.ResumeLayout(false);
             this.tabPage_image.PerformLayout();
             this.groupBox1.ResumeLayout(false);
@@ -1730,6 +1770,9 @@
         private System.Windows.Forms.Button bt_aplay;
         private System.Windows.Forms.TextBox tb_recintro;
         private System.Windows.Forms.Label lb_rec;
+        private System.Windows.Forms.Label lb_tuningqrgs;
+        private System.Windows.Forms.Button bt_allf;
+        private System.Windows.Forms.CheckBox cb_marker;
     }
 }
 

oscardata/oscardata/Form1.cs

@@ -48,6 +48,7 @@ namespace oscardata
         int last_initVoiceStatus;
         int recordStatus = 0;
         int recPhase = 0;
+        
 
         public Form1()
         {
@@ -636,6 +637,13 @@ namespace oscardata
             {
                 lb_rec.Visible = false;
             }
+
+            if (statics.tuning_active == 1 && txcommand != statics.noTX)
+            {
+                // stop tuning
+                bt_resetmodem_Click(null, null);
+                statics.tuning_active = 0;
+            }
         }
 
         private void panel_constel_Paint(object sender, PaintEventArgs e)
@@ -1443,6 +1451,8 @@ namespace oscardata
 
             // and transmit it
             Udp.UdpSendCtrl(txdata);
+
+            statics.tuning_active = 0;
         }
 
         int setPBvolume = -1;
@@ -1734,6 +1744,8 @@ namespace oscardata
                 lb_rxsync.Text = "RX Sync:";
                 cb_sendIntro.Text = "send introduction";
                 tb_recintro.Text = "record introduction";
+                lb_tuningqrgs.Text = "Frequency Test";
+                cb_marker.Text = "3kHz Tuning Marker";
             }
 
             if (language == 1)
@@ -1790,6 +1802,8 @@ namespace oscardata
                 tb_shutdown.Text = "Vor dem Ausschalten eines SBC diesen hier herunterfahren";
                 cb_sendIntro.Text = "sende Vorstellung";
                 tb_recintro.Text = "Vorstellung aufnehmen";
+                lb_tuningqrgs.Text = "Frequenz Test:";
+                cb_marker.Text = "3kHz Tuning Markierung";
             }
         }
 
@@ -1894,6 +1908,44 @@ namespace oscardata
             }
         }
 
+        int acttuning = 0;
+        private void bt_tuning(int fr)
+        {
+            if (statics.tuning_active == 0 || fr != acttuning)
+            {
+                label_rximage.ForeColor = Color.Black;
+                pictureBox_rximage.Image = null;
+                ArraySend.stopSending();
+                bt_resetmodem_Click(null, null);
+                txcommand = statics.noTX;
+
+                Byte[] txdata = new byte[2];
+                txdata[0] = statics.tuning;
+                txdata[1] = (Byte)fr;
+                Udp.UdpSendCtrl(txdata);
+                statics.tuning_active = 1;
+            }
+            else
+            {
+                txcommand = statics.noTX;
+                bt_resetmodem_Click(null, null);
+                statics.tuning_active = 0;
+            }
+            acttuning = fr;
+        }
+
+        private void bt_allf_Click(object sender, EventArgs e)
+        {
+            bt_tuning(1);
+        }
+
+        private void cb_marker_CheckedChanged(object sender, EventArgs e)
+        {
+            Byte[] txdata = new byte[2];
+            txdata[0] = statics.marker;
+            txdata[1] = (Byte)(cb_marker.Checked ? 1 : 0);
+            Udp.UdpSendCtrl(txdata);
+        }
     }
 
 }

oscardata/oscardata/Form1.resx

@@ -137,7 +137,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAFdTeXN0ZW0uV2luZG93cy5Gb3JtcywgVmVyc2lvbj00LjAuMC4w
         LCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODkFAQAAACZTeXN0
         ZW0uV2luZG93cy5Gb3Jtcy5JbWFnZUxpc3RTdHJlYW1lcgEAAAAERGF0YQcCAgAAAAkDAAAADwMAAABw
-        FwAAAk1TRnQBSQFMAgEBDQEAAYABBAGAAQQBEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
+        FwAAAk1TRnQBSQFMAgEBDQEAAQgBBQEIAQUBEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
         AwABQAMAAUADAAEBAQABCAYAARAYAAGAAgABgAMAAoABAAGAAwABgAEAAYABAAKAAgADwAEAAcAB3AHA
         AQAB8AHKAaYBAAEzBQABMwEAATMBAAEzAQACMwIAAxYBAAMcAQADIgEAAykBAANVAQADTQEAA0IBAAM5
         AQABgAF8Af8BAAJQAf8BAAGTAQAB1gEAAf8B7AHMAQABxgHWAe8BAAHWAucBAAGQAakBrQIAAf8BMwMA

oscardata/oscardata/config.cs

@@ -36,6 +36,8 @@ namespace oscardata
         public static Byte SetMICvolume = 24;
         public static Byte SetVoiceMode = 25;
         public static Byte terminate = 26;
+        public static Byte tuning = 27;
+        public static Byte marker = 28;
 
         // frame sequence, modem needs that for i.e. sending a preamble
         public static Byte FirstFrame = 0;
@@ -80,6 +82,7 @@ namespace oscardata
         public static int maxTXlevel = 0;
         public static Color WindowBackColor;
         public static String[] langstr;
+        public static int tuning_active = 0;
 
         public static String[] getOwnIPs()
         {

oscardata/oscardata/udp.cs

@@ -269,6 +269,7 @@ namespace oscardata
                     gr.DrawLine(penred, 150, yl, 150, yh);
                     gr.DrawLine(pensolid, 20, yl, 20, yh);
                     gr.DrawLine(pensolid, 280, yl, 280, yh);
+                    gr.DrawLine(penred, 300, yl, 300, yh);
                     gr.DrawLine(pensolid, 360, yl, 360, yh);
 
                     gr.DrawRectangle(penred, 15, yh, 270, yl-yh);
@@ -327,20 +328,11 @@ namespace oscardata
             uq_fft.Add(bm);
         }
 
-        static AutoResetEvent autoEvent = new AutoResetEvent(false);
-
         // Udp TX Loop runs in its own thread
         static void Udptxloop()
         {
             UdpClient udpc = new UdpClient();
 
-            // calculate cycle time for the requested data rate
-            // time in ms for one bit:  1000/statics.datarate
-
-            //int actdatarate = statics.getDatarate();
-            //int wait_datarate = (int)(((double)statics.UdpBlocklen * 8.0 * 1000.0 / (double)(statics.getDatarate())));
-            //Timer TTimer = new Timer(new TimerCallback(TXTickTimer), autoEvent, 0, wait_datarate);
-
             while (statics.running)
             {
                 bool wait = true;
@@ -352,7 +344,7 @@ namespace oscardata
                     wait = false;
                 }
 
-                if(statics.PBfifousage < 2)
+                if(statics.PBfifousage < 3)
                 {
                     // we need to send more payload data
                     if (uq_tx.Count() > 0)
@@ -373,13 +365,6 @@ namespace oscardata
             udpc.Send(b, b.Length, ip, port);
         }
 
-        static void TXTickTimer(object stateInfo)
-        {
-            autoEvent = (AutoResetEvent)stateInfo;
-
-            autoEvent.Set();
-        }
-
         // send a Byte array via UDP
         // this function can be called from anywhere in the program
         // it transfers the data to the udp-tx thread via a thread-safe pipe