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M17 - Transmuting Examples; Add Passive Analog Monitor Mode -fA;

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lwvmobile
2024-03-15 13:09:56 -04:00
parent ad1db34c86
commit 5573244583
2 changed files with 52 additions and 2 deletions
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30
examples/Example_Usage.md
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@@ -302,11 +302,11 @@ Using the `-8` option (raw audio monitor) will instead send encoded raw audio to
To send a voice stream out of stdout into SOCAT TCP to a second/remote DSD-FME session to decode:
Encode:
Encode (Upper Z):
`dsd-fme -fZ -8 -i pulse -M M17:9:LWVMOBILE:DSD-FME:48000 -o - | socat stdio tcp-listen:7355,forever,reuseaddr`
Decode:
Decode (Lower z):
`dsd-fme -fz -i tcp:192.168.7.8:7355`
@@ -329,4 +329,30 @@ BASE40: ' ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-/.'
Input Rate Default is 48000; Use Multiples of 8000 up to 48000.
Values not entered into the M17: string are set to default values. M17:7:DSD-FME:DSD-FME:48000
Fun Example Transmuting OTA Analog Things into M17:
Start up in sequence.
Terminal #1 (RTL Input):
`dsd-fme -fZ -8 -M M17:1:ANALOG:M17:48000 -i rtl:0:162.425M -o - | socat stdio tcp-listen:7310,forever,reuseaddr`
Terminal #2:
`dsd-fme -fz -i tcp:127.0.0.1:7310`
Fun Example Transmuting OTA Digital Things into M17:
Start up all three of these in sequence.
Terminal #1 (connecting to SDR++):
`dsd-fme -fi -i tcp:127.0.0.1:7355 -o - | socat stdio tcp-listen:7300,forever,reuseaddr`
Terminal #2:
`dsd-fme -fZ -8 -M M17:2:NXDN:M17:8000 -i tcp:127.0.0.1:7300 -o - | socat stdio tcp-listen:7301,forever,reuseaddr`
Terminal #3:
`dsd-fme -fz -i tcp:127.0.0.1:7301`
Note: Transmuting only carries over voice when audio is output, and will not carry any ID values, or any other data payloads.
This mode is only meant for educational or fun purposes, please do not retransmit stuff that doesn't belong to you.
Information on this section will be updated as features are added or modified, etc. If you need help with a particular function and can't find a suitable answer, always open a new issue here, or make contact on the radio reference forum for additional examples, guidance, ideas, help, etc.

24
src/dsd_main.c
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@@ -1321,6 +1321,7 @@ usage ()
printf (" -S M17 Encoding Packet SMS String: No more than 772 chars, use single quotations (see example above).\n");
printf ("Decoder options:\n");
printf (" -fa Auto Detection\n");
printf (" -fA Passive Analog Audio Monitor\n");
printf (" -ft TDMA Trunking P25p1 Control and Voice, P25p2 Trunked Channels, and DMR\n");
printf (" -fs DMR TDMA BS and MS Simplex\n");
printf (" -f1 Decode only P25 Phase 1\n");
@@ -2081,6 +2082,29 @@ main (int argc, char **argv)
sprintf (opts.output_name, "AUTO");
fprintf (stderr,"Decoding AUTO P25, YSF, DSTAR, X2-TDMA, and DMR\n");
}
else if (optarg[0] == 'A') //activate analog out and passively monitor it, useful for analog scanning, etc
{
opts.frame_dstar = 0;
opts.frame_x2tdma = 0;
opts.frame_p25p1 = 0;
opts.frame_p25p2 = 0;
opts.frame_nxdn48 = 0;
opts.frame_nxdn96 = 0;
opts.frame_dmr = 0;
opts.frame_dpmr = 0;
opts.frame_provoice = 0;
opts.frame_ysf = 0;
opts.frame_m17 = 0;
opts.pulse_digi_rate_out = 8000;
opts.pulse_digi_out_channels = 1;
opts.dmr_stereo = 0;
state.dmr_stereo = 0;
opts.dmr_mono = 0;
state.rf_mod = 0;
opts.monitor_input_audio = 1;
sprintf (opts.output_name, "Analog Monitor");
fprintf (stderr,"Only Monitoring Passive Analog Signal\n");
}
else if (optarg[0] == 'd')
{
opts.frame_dstar = 1;