changed name from threnodyne to cicadenade
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@ -1,5 +1,5 @@
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[package]
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name = "threnodyne"
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name = "cicadenade"
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version = "0.1.0"
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authors = ["Fluora Eigendiode <ellie.martin.eberhardt@gmail.com>"]
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edition = "2018"
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@ -1,8 +1,8 @@
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# Threnodyne
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# Cicadenade
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#### More audio-based data transmission! This time it's using chirp spread spectrum
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### What this is
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Threnodyne is another thing for making a sound card work as a silly budget SDR, in the same vein as
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Cicadenade is another thing for making a sound card work as a silly budget SDR, in the same vein as
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[transgride](https://tildegit.org/fluora/transgride). To work on radio waves, it probably needs some
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kind of upconverter, unless you're into VLF.
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@ -25,7 +25,7 @@ As usual for Rust projects, you can build it (after installing the toolchain) wi
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`cargo build --release`, which will emit an executable into `target/release`. Run that executable
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with `--help` for the detailed usage information:
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```txt
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Threnodyne is program for transmitting and receiving data in chirp-sequence spread-spectrum form
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Cicadenade is program for transmitting and receiving data in chirp-sequence spread-spectrum form
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using your computer's audio card.
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Chirps can provide substantial resistance to unfavorable channel conditions, which makes this
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@ -52,7 +52,7 @@ the signal.
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useful if searching for text on a noisy channel.
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-g, --debug (default 0) - If specified when demodulating, emits every nth correlation value in f32
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form to threnodyne_rise.dat and threnodyne_fall.dat.
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form to cicadenade_rise.dat and cicadenade_fall.dat.
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```
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### Is it useful?
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36
src/main.rs
36
src/main.rs
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@ -23,7 +23,7 @@ fn main
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(
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lapp::parse_args(
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"
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Threnodyne is program for transmitting and receiving data in chirp-sequence spread-spectrum form using your computer's audio card.
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Cicadenade is program for transmitting and receiving data in chirp-sequence spread-spectrum form using your computer's audio card.
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Chirps can provide substantial resistance to unfavorable channel conditions, which makes this program \
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potentially suitable for transmitting data over channels intended for narrowband voice communication.
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@ -42,7 +42,7 @@ fn main
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-t, --squelch (default 0.4) - Minimum signal match degree for demodulation, from 0.0 (accept all) to 1.0 (ignore all).
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-a, --ascii-only - When demodulating, suppress all output that is not an ASCII character. Possibly useful if searching for text on a noisy channel.
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-g, --debug (default 0) - If specified when demodulating, emits every nth correlation value in f32 form to threnodyne_rise.dat and threnodyne_fall.dat.
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-g, --debug (default 0) - If specified when demodulating, emits every nth correlation value in f32 form to cicadenade_rise.dat and cicadenade_fall.dat.
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"
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)
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);
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@ -63,49 +63,49 @@ fn main
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if !(
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&["e", "d"].contains(&mode.as_str())
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) {
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eprintln!("threnodyne: please specify either 'e' to encode/enmodulate or 'd' to decode/demodulate.");
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eprintln!("cicadenade: please specify either 'e' to encode/enmodulate or 'd' to decode/demodulate.");
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exit(1);
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}
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if arg_samplerate <= 0.0
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{
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eprintln!("threnodyne: the sample rate must be a positive, nonzero number ({} won't do)", arg_samplerate);
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eprintln!("cicadenade: the sample rate must be a positive, nonzero number ({} won't do)", arg_samplerate);
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exit(1);
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}
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if arg_bitrate < 0.0
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{
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eprintln!("threnodyne: the bitrate must be a positive number ({} won't do)", arg_bitrate);
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eprintln!("cicadenade: the bitrate must be a positive number ({} won't do)", arg_bitrate);
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exit(1);
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}
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if arg_bitrate > arg_samplerate
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{
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eprintln!("threnodyne: the bitrate cannot be larger than the sample rate (a bitrate of {} won't do when the sample rate is {})", arg_bitrate, arg_samplerate);
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eprintln!("cicadenade: the bitrate cannot be larger than the sample rate (a bitrate of {} won't do when the sample rate is {})", arg_bitrate, arg_samplerate);
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exit(1);
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}
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if arg_centerfreq < 0.0
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{
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eprintln!("threnodyne: the center frequency must be a positive number ({} won't do)", arg_centerfreq);
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eprintln!("cicadenade: the center frequency must be a positive number ({} won't do)", arg_centerfreq);
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exit(1);
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}
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if arg_deviation < 0.0
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{
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eprintln!("threnodyne: the frequency deviation must be a positive number ({} won't do)", arg_deviation);
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eprintln!("cicadenade: the frequency deviation must be a positive number ({} won't do)", arg_deviation);
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exit(1);
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}
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if arg_deviation > arg_centerfreq
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{
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eprintln!("threnodyne: the frequency deviation cannot be larger than the center frequency (a deviation of {} won't do when the center frequency is {})", arg_deviation, arg_centerfreq);
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eprintln!("cicadenade: the frequency deviation cannot be larger than the center frequency (a deviation of {} won't do when the center frequency is {})", arg_deviation, arg_centerfreq);
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exit(1);
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}
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if arg_squelch < 0.0
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{
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eprintln!("threnodyne: the squelch threshold must be at least 0.0 ({} won't do)", arg_squelch);
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eprintln!("cicadenade: the squelch threshold must be at least 0.0 ({} won't do)", arg_squelch);
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exit(1);
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}
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@ -133,7 +133,7 @@ fn main
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Err(why) if why.kind() == ErrorKind::UnexpectedEof => break,
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Err(why) =>
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{
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eprintln!("threnodyne: input read error: {}", why);
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eprintln!("cicadenade: input read error: {}", why);
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exit(1);
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},
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Ok(_) => input_buffer[0],
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@ -163,7 +163,7 @@ fn main
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{
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Err(why) =>
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{
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eprintln!("threnodyne: output write error: {}", why);
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eprintln!("cicadenade: output write error: {}", why);
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exit(1);
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},
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Ok(_) => (),
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@ -194,21 +194,21 @@ fn main
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debug_files =
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Some(
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(
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match File::create("threnodyne_rise.dat")
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match File::create("cicadenade_rise.dat")
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{
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Ok(file) => file,
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Err(why) =>
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{
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eprintln!("threnodyne: could not create debug output file for rising correlation: {}", why);
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eprintln!("cicadenade: could not create debug output file for rising correlation: {}", why);
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exit(1);
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},
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},
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match File::create("threnodyne_fall.dat")
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match File::create("cicadenade_fall.dat")
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{
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Ok(file) => file,
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Err(why) =>
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{
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eprintln!("threnodyne: could not create debug output file for falling correlation: {}", why);
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eprintln!("cicadenade: could not create debug output file for falling correlation: {}", why);
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exit(1);
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},
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},
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@ -232,7 +232,7 @@ fn main
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},
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Err(why) =>
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{
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eprintln!("threnodyne: input read error: {}", why);
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eprintln!("cicadenade: input read error: {}", why);
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exit(1);
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},
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Ok(_) => (),
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@ -279,7 +279,7 @@ fn main
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{
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Err(why) =>
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{
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eprintln!("threnodyne: output write error: {}", why);
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eprintln!("cicadenade: output write error: {}", why);
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exit(1);
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},
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Ok(_) => (),
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