let _ = data;
}
- // TODO
- // fn stream_lost(&self);
+ // TODO: callbacks for LICH metadata received
// fn stream_assembled_text_block()
// fn stream_gnss_data()
// fn stream_extended_callsign_data()
while let Ok(ev) = event_rx.recv() {
match ev {
TncControlEvent::Kiss(k) => {
- if let Err(e) = tnc.write_all(k.as_bytes()) {
- debug!("kiss send err: {:?}", e);
+ if tnc.write_all(k.as_bytes()).is_err() {
return;
}
}
TncControlEvent::Start => {
- if let Err(e) = tnc.start() {
- debug!("tnc start err: {:?}", e);
- return;
- }
+ tnc.start();
}
TncControlEvent::Close => {
- if let Err(e) = tnc.close() {
- debug!("tnc close err: {:?}", e);
- return;
- }
+ tnc.close();
}
}
}
#[error("given callsign is {0} characters long; maximum is 9")]
CallsignTooLong(usize),
- #[error("error during soundcard initialisation")]
- SoundcardInit,
-
- #[error("unable to locate sound card '{0}' - is it in use?")]
- SoundcardNotFound(String),
-
- #[error("unable to set up RTL-SDR receiver")]
- RtlSdrInit,
-
#[error(
"provided packet payload is too large: provided {provided} bytes, capacity {capacity}"
)]
};
use crate::{
- error::{M17Error, SoundmodemError},
- soundmodem::{InputSource, SoundmodemEvent},
+ error::M17Error,
+ soundmodem::{InputSource, SoundmodemErrorSender, SoundmodemEvent},
};
pub struct RtlSdr {
}
impl InputSource for RtlSdr {
- fn start(&self, tx: SyncSender<SoundmodemEvent>) -> Result<(), SoundmodemError> {
- let mut cmd = Command::new("rtl_fm")
+ fn start(&self, tx: SyncSender<SoundmodemEvent>, errors: SoundmodemErrorSender) {
+ let mut cmd = match Command::new("rtl_fm")
.args([
"-E",
"offset",
"48k",
])
.stdout(Stdio::piped())
- .spawn()?;
+ .spawn()
+ {
+ Ok(c) => c,
+ Err(e) => {
+ errors.send_error(e);
+ return;
+ }
+ };
let mut stdout = cmd.stdout.take().unwrap();
let mut buf = [0u8; 1024];
let mut leftover: Option<u8> = None;
}
});
*self.rtlfm.lock().unwrap() = Some(cmd);
- Ok(())
}
- fn close(&self) -> Result<(), SoundmodemError> {
+ fn close(&self) {
if let Some(mut process) = self.rtlfm.lock().unwrap().take() {
let _ = process.kill();
}
- Ok(())
}
}
}
pub fn new(port_name: &str, pin: PttPin) -> Result<Self, SoundmodemError> {
- // TODO: error handling
- let port = serialport::new(port_name, 9600).open().unwrap();
+ let port = serialport::new(port_name, 9600).open()?;
let mut s = Self { port, pin };
s.ptt_off()?;
Ok(s)
use cpal::{
traits::{DeviceTrait, HostTrait, StreamTrait},
- SampleFormat, SampleRate, Stream,
+ BuildStreamError, DevicesError, PlayStreamError, SampleFormat, SampleRate, Stream, StreamError,
+ SupportedStreamConfigsError,
};
+use thiserror::Error;
-use crate::{
- error::{M17Error, SoundmodemError},
- soundmodem::{InputSource, OutputBuffer, OutputSink, SoundmodemEvent},
+use crate::soundmodem::{
+ InputSource, OutputBuffer, OutputSink, SoundmodemErrorSender, SoundmodemEvent,
};
pub struct Soundcard {
}
impl Soundcard {
- pub fn new<S: Into<String>>(card_name: S) -> Result<Self, M17Error> {
+ pub fn new<S: Into<String>>(card_name: S) -> Result<Self, SoundcardError> {
let (card_tx, card_rx) = sync_channel(128);
let (setup_tx, setup_rx) = sync_channel(1);
spawn_soundcard_worker(card_rx, setup_tx, card_name.into());
match setup_rx.recv() {
Ok(Ok(())) => Ok(Self { event_tx: card_tx }),
Ok(Err(e)) => Err(e),
- Err(_) => Err(M17Error::SoundcardInit),
+ Err(_) => Err(SoundcardError::SoundcardInit),
}
}
SetTxInverted(bool),
StartInput {
samples: SyncSender<SoundmodemEvent>,
+ errors: SoundmodemErrorSender,
},
CloseInput,
StartOutput {
event_tx: SyncSender<SoundmodemEvent>,
buffer: Arc<RwLock<OutputBuffer>>,
+ errors: SoundmodemErrorSender,
},
CloseOutput,
}
}
impl InputSource for SoundcardInputSource {
- fn start(&self, samples: SyncSender<SoundmodemEvent>) -> Result<(), SoundmodemError> {
- Ok(self.event_tx.send(SoundcardEvent::StartInput { samples })?)
+ fn start(&self, samples: SyncSender<SoundmodemEvent>, errors: SoundmodemErrorSender) {
+ let _ = self
+ .event_tx
+ .send(SoundcardEvent::StartInput { samples, errors });
}
- fn close(&self) -> Result<(), SoundmodemError> {
- Ok(self.event_tx.send(SoundcardEvent::CloseInput)?)
+ fn close(&self) {
+ let _ = self.event_tx.send(SoundcardEvent::CloseInput);
}
}
&self,
event_tx: SyncSender<SoundmodemEvent>,
buffer: Arc<RwLock<OutputBuffer>>,
- ) -> Result<(), SoundmodemError> {
- Ok(self
- .event_tx
- .send(SoundcardEvent::StartOutput { event_tx, buffer })?)
+ errors: SoundmodemErrorSender,
+ ) {
+ let _ = self.event_tx.send(SoundcardEvent::StartOutput {
+ event_tx,
+ buffer,
+ errors,
+ });
}
- fn close(&self) -> Result<(), SoundmodemError> {
- Ok(self.event_tx.send(SoundcardEvent::CloseOutput)?)
+ fn close(&self) {
+ let _ = self.event_tx.send(SoundcardEvent::CloseOutput);
}
}
fn spawn_soundcard_worker(
event_rx: Receiver<SoundcardEvent>,
- setup_tx: SyncSender<Result<(), M17Error>>,
+ setup_tx: SyncSender<Result<(), SoundcardError>>,
card_name: String,
) {
std::thread::spawn(move || {
.unwrap()
.find(|d| d.name().unwrap() == card_name)
else {
- let _ = setup_tx.send(Err(M17Error::SoundcardNotFound(card_name)));
+ let _ = setup_tx.send(Err(SoundcardError::CardNotFound(card_name)));
return;
};
match ev {
SoundcardEvent::SetRxInverted(inv) => rx_inverted = inv,
SoundcardEvent::SetTxInverted(inv) => tx_inverted = inv,
- SoundcardEvent::StartInput { samples } => {
- let mut input_configs = device.supported_input_configs().unwrap();
- let input_config = input_configs
+ SoundcardEvent::StartInput { samples, errors } => {
+ let mut input_configs = match device.supported_input_configs() {
+ Ok(c) => c,
+ Err(e) => {
+ errors.send_error(SoundcardError::SupportedConfigs(e));
+ continue;
+ }
+ };
+ let input_config = match input_configs
.find(|c| c.channels() == 1 && c.sample_format() == SampleFormat::I16)
- .unwrap()
- .with_sample_rate(SampleRate(48000));
- let stream = device
- .build_input_stream(
- &input_config.into(),
- move |data: &[i16], _info: &cpal::InputCallbackInfo| {
- let out: Vec<i16> = data
- .iter()
- .map(|s| if rx_inverted { s.saturating_neg() } else { *s })
- .collect();
- let _ =
- samples.try_send(SoundmodemEvent::BasebandInput(out.into()));
- },
- |e| {
- // TODO: abort?
- log::debug!("error occurred in soundcard input: {e:?}");
- },
- None,
- )
- .unwrap();
- stream.play().unwrap();
+ {
+ Some(c) => c,
+ None => {
+ errors.send_error(SoundcardError::NoValidConfigAvailable);
+ continue;
+ }
+ };
+ let input_config = input_config.with_sample_rate(SampleRate(48000));
+ let errors_1 = errors.clone();
+ let stream = match device.build_input_stream(
+ &input_config.into(),
+ move |data: &[i16], _info: &cpal::InputCallbackInfo| {
+ let out: Vec<i16> = data
+ .iter()
+ .map(|s| if rx_inverted { s.saturating_neg() } else { *s })
+ .collect();
+ let _ = samples.try_send(SoundmodemEvent::BasebandInput(out.into()));
+ },
+ move |e| {
+ errors_1.send_error(SoundcardError::Stream(e));
+ },
+ None,
+ ) {
+ Ok(s) => s,
+ Err(e) => {
+ errors.send_error(SoundcardError::StreamBuild(e));
+ continue;
+ }
+ };
+ if let Err(e) = stream.play() {
+ errors.send_error(SoundcardError::StreamPlay(e));
+ continue;
+ }
input_stream = Some(stream);
}
SoundcardEvent::CloseInput => {
let _ = input_stream.take();
}
- SoundcardEvent::StartOutput { event_tx, buffer } => {
- let mut output_configs = device.supported_output_configs().unwrap();
- // TODO: more error handling
- let output_config = output_configs
+ SoundcardEvent::StartOutput {
+ event_tx,
+ buffer,
+ errors,
+ } => {
+ let mut output_configs = match device.supported_output_configs() {
+ Ok(c) => c,
+ Err(e) => {
+ errors.send_error(SoundcardError::SupportedConfigs(e));
+ continue;
+ }
+ };
+ let output_config = match output_configs
.find(|c| c.channels() == 1 && c.sample_format() == SampleFormat::I16)
- .unwrap()
- .with_sample_rate(SampleRate(48000));
- let stream = device
- .build_output_stream(
- &output_config.into(),
- move |data: &mut [i16], info: &cpal::OutputCallbackInfo| {
- let mut taken = 0;
- let ts = info.timestamp();
- let latency = ts
- .playback
- .duration_since(&ts.callback)
- .unwrap_or(Duration::ZERO);
- let mut buffer = buffer.write().unwrap();
- buffer.latency = latency;
- for out in data.iter_mut() {
- if let Some(s) = buffer.samples.pop_front() {
- *out = if tx_inverted { s.saturating_neg() } else { s };
- taken += 1;
- } else if buffer.idling {
- *out = 0;
- } else {
- log::debug!("output soundcard had underrun");
- let _ = event_tx.send(SoundmodemEvent::OutputUnderrun);
- break;
- }
+ {
+ Some(c) => c,
+ None => {
+ errors.send_error(SoundcardError::NoValidConfigAvailable);
+ continue;
+ }
+ };
+ let output_config = output_config.with_sample_rate(SampleRate(48000));
+ let errors_1 = errors.clone();
+ let stream = match device.build_output_stream(
+ &output_config.into(),
+ move |data: &mut [i16], info: &cpal::OutputCallbackInfo| {
+ let mut taken = 0;
+ let ts = info.timestamp();
+ let latency = ts
+ .playback
+ .duration_since(&ts.callback)
+ .unwrap_or(Duration::ZERO);
+ let mut buffer = buffer.write().unwrap();
+ buffer.latency = latency;
+ for out in data.iter_mut() {
+ if let Some(s) = buffer.samples.pop_front() {
+ *out = if tx_inverted { s.saturating_neg() } else { s };
+ taken += 1;
+ } else if buffer.idling {
+ *out = 0;
+ } else {
+ let _ = event_tx.send(SoundmodemEvent::OutputUnderrun);
+ break;
}
- //debug!("latency is {} ms, taken {taken}", latency.as_millis());
- let _ = event_tx.send(SoundmodemEvent::DidReadFromOutputBuffer {
- len: taken,
- timestamp: Instant::now(),
- });
- },
- |e| {
- // TODO: abort?
- log::debug!("error occurred in soundcard output: {e:?}");
- },
- None,
- )
- .unwrap();
- stream.play().unwrap();
+ }
+ let _ = event_tx.send(SoundmodemEvent::DidReadFromOutputBuffer {
+ len: taken,
+ timestamp: Instant::now(),
+ });
+ },
+ move |e| {
+ errors_1.send_error(SoundcardError::Stream(e));
+ },
+ None,
+ ) {
+ Ok(s) => s,
+ Err(e) => {
+ errors.send_error(SoundcardError::StreamBuild(e));
+ continue;
+ }
+ };
+ if let Err(e) = stream.play() {
+ errors.send_error(SoundcardError::StreamPlay(e));
+ continue;
+ }
output_stream = Some(stream);
}
SoundcardEvent::CloseOutput => {
}
});
}
+
+#[derive(Debug, Error)]
+pub enum SoundcardError {
+ #[error("sound card init aborted unexpectedly")]
+ SoundcardInit,
+
+ #[error("unable to enumerate devices: {0}")]
+ Host(DevicesError),
+
+ #[error("unable to locate sound card '{0}' - is it in use?")]
+ CardNotFound(String),
+
+ #[error("error occurred in soundcard i/o: {0}")]
+ Stream(#[source] StreamError),
+
+ #[error("unable to retrieve supported configs for soundcard: {0}")]
+ SupportedConfigs(#[source] SupportedStreamConfigsError),
+
+ #[error("could not find a suitable soundcard config")]
+ NoValidConfigAvailable,
+
+ #[error("unable to build soundcard stream: {0}")]
+ StreamBuild(#[source] BuildStreamError),
+
+ #[error("unable to play stream")]
+ StreamPlay(#[source] PlayStreamError),
+}
use crate::error::{M17Error, SoundmodemError};
use crate::tnc::{Tnc, TncError};
-use log::debug;
use m17core::kiss::MAX_FRAME_LEN;
use m17core::modem::{Demodulator, Modulator, ModulatorAction, SoftDemodulator, SoftModulator};
use m17core::tnc::SoftTnc;
use std::sync::RwLock;
use std::sync::{Arc, Mutex};
use std::time::{Duration, Instant};
+use thiserror::Error;
pub struct Soundmodem {
event_tx: SyncSender<SoundmodemEvent>,
kiss_out_rx: Arc<Mutex<Receiver<Arc<[u8]>>>>,
partial_kiss_out: Arc<Mutex<Option<PartialKissOut>>>,
+ error_handler: ErrorHandlerInternal,
}
impl Soundmodem {
- pub fn new<I: InputSource, O: OutputSink, P: Ptt>(input: I, output: O, ptt: P) -> Self {
- // must create TNC here
+ pub fn new<I: InputSource, O: OutputSink, P: Ptt, E: ErrorHandler>(
+ input: I,
+ output: O,
+ ptt: P,
+ error: E,
+ ) -> Self {
let (event_tx, event_rx) = sync_channel(128);
let (kiss_out_tx, kiss_out_rx) = sync_channel(128);
+ let runtime_error_handler: ErrorHandlerInternal = Arc::new(Mutex::new(Box::new(error)));
spawn_soundmodem_worker(
event_tx.clone(),
event_rx,
Box::new(input),
Box::new(output),
Box::new(ptt),
+ runtime_error_handler.clone(),
);
Self {
event_tx,
kiss_out_rx: Arc::new(Mutex::new(kiss_out_rx)),
partial_kiss_out: Arc::new(Mutex::new(None)),
+ error_handler: runtime_error_handler,
}
}
}
+#[derive(Debug, Clone, Copy)]
+pub enum ErrorSource {
+ Input,
+ Output,
+ Ptt,
+}
+
+pub trait ErrorHandler: Send + Sync + 'static {
+ fn soundmodem_error(&mut self, source: ErrorSource, err: SoundmodemError);
+}
+
+impl<F> ErrorHandler for F
+where
+ F: FnMut(ErrorSource, SoundmodemError) + Send + Sync + 'static,
+{
+ fn soundmodem_error(&mut self, source: ErrorSource, err: SoundmodemError) {
+ self(source, err)
+ }
+}
+
+pub struct NullErrorHandler;
+
+impl NullErrorHandler {
+ pub fn new() -> Self {
+ Self {}
+ }
+}
+
+impl Default for NullErrorHandler {
+ fn default() -> Self {
+ Self::new()
+ }
+}
+
+impl ErrorHandler for NullErrorHandler {
+ fn soundmodem_error(&mut self, source: ErrorSource, err: SoundmodemError) {
+ let _ = source;
+ let _ = err;
+ }
+}
+
+type ErrorHandlerInternal = Arc<Mutex<Box<dyn ErrorHandler>>>;
+
+#[derive(Clone)]
+pub struct SoundmodemErrorSender {
+ source: ErrorSource,
+ event_tx: SyncSender<SoundmodemEvent>,
+}
+
+impl SoundmodemErrorSender {
+ pub fn send_error<E: Into<SoundmodemError>>(&self, err: E) {
+ let _ = self
+ .event_tx
+ .send(SoundmodemEvent::RuntimeError(self.source, err.into()));
+ }
+}
+
struct PartialKissOut {
output: Arc<[u8]>,
idx: usize,
event_tx: self.event_tx.clone(),
kiss_out_rx: self.kiss_out_rx.clone(),
partial_kiss_out: self.partial_kiss_out.clone(),
+ error_handler: self.error_handler.clone(),
})
}
- fn start(&mut self) -> Result<(), TncError> {
+ fn start(&mut self) {
let _ = self.event_tx.send(SoundmodemEvent::Start);
- Ok(())
}
- fn close(&mut self) -> Result<(), TncError> {
+ fn close(&mut self) {
let _ = self.event_tx.send(SoundmodemEvent::Close);
- Ok(())
}
}
Close,
DidReadFromOutputBuffer { len: usize, timestamp: Instant },
OutputUnderrun,
+ RuntimeError(ErrorSource, SoundmodemError),
}
fn spawn_soundmodem_worker(
input: Box<dyn InputSource>,
output: Box<dyn OutputSink>,
mut ptt_driver: Box<dyn Ptt>,
+ error_handler: ErrorHandlerInternal,
) {
std::thread::spawn(move || {
// TODO: should be able to provide a custom Demodulator for a soundmodem
tnc.set_data_carrier_detect(demodulator.data_carrier_detect());
}
SoundmodemEvent::Start => {
- // TODO: runtime event handling
- input.start(event_tx.clone()).unwrap();
- output.start(event_tx.clone(), out_buffer.clone()).unwrap();
+ let input_errors = SoundmodemErrorSender {
+ source: ErrorSource::Input,
+ event_tx: event_tx.clone(),
+ };
+ input.start(event_tx.clone(), input_errors);
+ let output_errors = SoundmodemErrorSender {
+ source: ErrorSource::Output,
+ event_tx: event_tx.clone(),
+ };
+ output.start(event_tx.clone(), out_buffer.clone(), output_errors);
}
SoundmodemEvent::Close => {
- ptt_driver.ptt_off().unwrap();
+ input.close();
+ output.close();
+ if let Err(e) = ptt_driver.ptt_off() {
+ error_handler
+ .lock()
+ .unwrap()
+ .soundmodem_error(ErrorSource::Ptt, e);
+ }
break;
}
SoundmodemEvent::DidReadFromOutputBuffer { len, timestamp } => {
);
}
SoundmodemEvent::OutputUnderrun => {
+ log::debug!("output underrun");
// TODO: cancel transmission, send empty data frame to host
}
+ SoundmodemEvent::RuntimeError(source, err) => {
+ error_handler.lock().unwrap().soundmodem_error(source, err);
+ }
}
// Update PTT state
let new_ptt = tnc.ptt();
if new_ptt != ptt {
if new_ptt {
- ptt_driver.ptt_on().unwrap();
- } else {
- ptt_driver.ptt_off().unwrap();
+ if let Err(e) = ptt_driver.ptt_on() {
+ error_handler
+ .lock()
+ .unwrap()
+ .soundmodem_error(ErrorSource::Ptt, e);
+ }
+ } else if let Err(e) = ptt_driver.ptt_off() {
+ error_handler
+ .lock()
+ .unwrap()
+ .soundmodem_error(ErrorSource::Ptt, e);
}
}
ptt = new_ptt;
}
pub trait InputSource: Send + Sync + 'static {
- fn start(&self, samples: SyncSender<SoundmodemEvent>) -> Result<(), SoundmodemError>;
- fn close(&self) -> Result<(), SoundmodemError>;
+ fn start(&self, samples: SyncSender<SoundmodemEvent>, errors: SoundmodemErrorSender);
+ fn close(&self);
}
pub struct InputRrcFile {
}
impl InputSource for InputRrcFile {
- fn start(&self, samples: SyncSender<SoundmodemEvent>) -> Result<(), SoundmodemError> {
+ fn start(&self, samples: SyncSender<SoundmodemEvent>, errors: SoundmodemErrorSender) {
let (end_tx, end_rx) = channel();
let baseband = self.baseband.clone();
std::thread::spawn(move || {
buf[idx] = sample;
idx += 1;
if idx == SAMPLES_PER_TICK {
- if let Err(e) = samples.try_send(SoundmodemEvent::BasebandInput(buf.into())) {
- debug!("overflow feeding soundmodem: {e:?}");
+ if samples
+ .try_send(SoundmodemEvent::BasebandInput(buf.into()))
+ .is_err()
+ {
+ errors.send_error(InputRrcError::Overflow);
}
next_tick += TICK;
idx = 0;
}
});
*self.end_tx.lock().unwrap() = Some(end_tx);
- Ok(())
}
- fn close(&self) -> Result<(), SoundmodemError> {
+ fn close(&self) {
let _ = self.end_tx.lock().unwrap().take();
- Ok(())
}
}
+#[derive(Debug, Error)]
+pub enum InputRrcError {
+ #[error("overflow occurred feeding sample to soundmodem")]
+ Overflow,
+}
+
pub struct NullInputSource {
end_tx: Mutex<Option<Sender<()>>>,
}
}
impl InputSource for NullInputSource {
- fn start(&self, samples: SyncSender<SoundmodemEvent>) -> Result<(), SoundmodemError> {
+ fn start(&self, samples: SyncSender<SoundmodemEvent>, errors: SoundmodemErrorSender) {
let (end_tx, end_rx) = channel();
std::thread::spawn(move || {
// assuming 48 kHz for now
if end_rx.try_recv() != Err(TryRecvError::Empty) {
break;
}
- if let Err(e) = samples.try_send(SoundmodemEvent::BasebandInput(
- [0i16; SAMPLES_PER_TICK].into(),
- )) {
- debug!("overflow feeding soundmodem: {e:?}");
+ if samples
+ .try_send(SoundmodemEvent::BasebandInput(
+ [0i16; SAMPLES_PER_TICK].into(),
+ ))
+ .is_err()
+ {
+ errors.send_error(NullInputError::Overflow);
}
}
});
*self.end_tx.lock().unwrap() = Some(end_tx);
- Ok(())
}
- fn close(&self) -> Result<(), SoundmodemError> {
+ fn close(&self) {
let _ = self.end_tx.lock().unwrap().take();
- Ok(())
}
}
+#[derive(Debug, Error)]
+pub enum NullInputError {
+ #[error("overflow occurred feeding sample to soundmodem")]
+ Overflow,
+}
+
impl Default for NullInputSource {
fn default() -> Self {
Self::new()
&self,
event_tx: SyncSender<SoundmodemEvent>,
buffer: Arc<RwLock<OutputBuffer>>,
- ) -> Result<(), SoundmodemError>;
- fn close(&self) -> Result<(), SoundmodemError>;
+ errors: SoundmodemErrorSender,
+ );
+ fn close(&self);
}
pub struct OutputRrcFile {
&self,
event_tx: SyncSender<SoundmodemEvent>,
buffer: Arc<RwLock<OutputBuffer>>,
- ) -> Result<(), SoundmodemError> {
+ errors: SoundmodemErrorSender,
+ ) {
let (end_tx, end_rx) = channel();
- let mut file = File::create(self.path.clone())?;
+ let mut file = match File::create(self.path.clone()) {
+ Ok(f) => f,
+ Err(e) => {
+ errors.send_error(OutputRrcError::Open(e));
+ return;
+ }
+ };
std::thread::spawn(move || {
// assuming 48 kHz for now
const TICK: Duration = Duration::from_millis(25);
out.copy_from_slice(&[be[0], be[1]]);
buf_used += 2;
} else if !buffer.idling {
- debug!("output rrc file had underrun");
let _ = event_tx.send(SoundmodemEvent::OutputUnderrun);
break;
}
}
if let Err(e) = file.write_all(&buf[0..buf_used]) {
- debug!("failed to write to rrc file: {e:?}");
+ errors.send_error(OutputRrcError::WriteError(e));
break;
}
let _ = event_tx.send(SoundmodemEvent::DidReadFromOutputBuffer {
}
});
*self.end_tx.lock().unwrap() = Some(end_tx);
- Ok(())
}
- fn close(&self) -> Result<(), SoundmodemError> {
+ fn close(&self) {
let _ = self.end_tx.lock().unwrap().take();
- Ok(())
}
}
+#[derive(Debug, Error)]
+pub enum OutputRrcError {
+ #[error("unable to open rrc file for writing: {0}")]
+ Open(#[source] std::io::Error),
+
+ #[error("error writing to output file: {0}")]
+ WriteError(#[source] std::io::Error),
+}
+
pub struct NullOutputSink {
end_tx: Mutex<Option<Sender<()>>>,
}
&self,
event_tx: SyncSender<SoundmodemEvent>,
buffer: Arc<RwLock<OutputBuffer>>,
- ) -> Result<(), SoundmodemError> {
+ _errors: SoundmodemErrorSender,
+ ) {
let (end_tx, end_rx) = channel();
std::thread::spawn(move || {
// assuming 48 kHz for now
for _ in 0..SAMPLES_PER_TICK {
if buffer.samples.pop_front().is_none() {
if !buffer.idling {
- debug!("null output had underrun");
let _ = event_tx.send(SoundmodemEvent::OutputUnderrun);
break;
}
}
});
*self.end_tx.lock().unwrap() = Some(end_tx);
- Ok(())
}
- fn close(&self) -> Result<(), SoundmodemError> {
+ fn close(&self) {
let _ = self.end_tx.lock().unwrap().take();
- Ok(())
}
}
Ok(self.clone())
}
- fn start(&mut self) -> Result<(), crate::tnc::TncError> {
- Ok(())
- }
+ fn start(&mut self) {}
- fn close(&mut self) -> Result<(), crate::tnc::TncError> {
- Ok(())
- }
+ fn close(&mut self) {}
}
impl Write for NullTnc {
fn try_clone(&mut self) -> Result<Self, TncError>;
/// Start I/O.
- fn start(&mut self) -> Result<(), TncError>;
+ fn start(&mut self);
/// Shut down I/O - it is assumed we cannot restart.
- fn close(&mut self) -> Result<(), TncError>;
+ fn close(&mut self);
}
#[derive(Debug, PartialEq, Eq, Clone)]
std::net::TcpStream::try_clone(self).map_err(|_| TncError::Unknown)
}
- fn start(&mut self) -> Result<(), TncError> {
+ fn start(&mut self) {
// already started, hopefully we get onto reading the socket quickly
- Ok(())
}
- fn close(&mut self) -> Result<(), TncError> {
- self.shutdown(std::net::Shutdown::Both)
- .map_err(|_| TncError::Unknown)
+ fn close(&mut self) {
+ let _ = self.shutdown(std::net::Shutdown::Both);
}
}
use m17app::app::M17App;
use m17app::soundcard::Soundcard;
-use m17app::soundmodem::{NullOutputSink, NullPtt, Soundmodem};
+use m17app::soundmodem::{NullErrorHandler, NullOutputSink, NullPtt, Soundmodem};
use m17codec2::Codec2Adapter;
pub fn demod_test() {
let soundcard = Soundcard::new("plughw:CARD=Device,DEV=0").unwrap();
- let soundmodem = Soundmodem::new(soundcard.input(), NullOutputSink::new(), NullPtt::new());
+ let soundmodem = Soundmodem::new(
+ soundcard.input(),
+ NullOutputSink::new(),
+ NullPtt::new(),
+ NullErrorHandler::new(),
+ );
let app = M17App::new(soundmodem);
app.add_stream_adapter(Codec2Adapter::new()).unwrap();
app.start().unwrap();
use m17app::link_setup::M17Address;
use m17app::serial::{PttPin, SerialPtt};
use m17app::soundcard::Soundcard;
-use m17app::soundmodem::Soundmodem;
+use m17app::soundmodem::{NullErrorHandler, Soundmodem};
use m17codec2::WavePlayer;
use std::path::PathBuf;
let soundcard = Soundcard::new("plughw:CARD=Device,DEV=0").unwrap();
soundcard.set_tx_inverted(true);
let ptt = SerialPtt::new("/dev/ttyUSB0", PttPin::Rts).unwrap();
- let soundmodem = Soundmodem::new(soundcard.input(), soundcard.output(), ptt);
+ let soundmodem = Soundmodem::new(
+ soundcard.input(),
+ soundcard.output(),
+ ptt,
+ NullErrorHandler::new(),
+ );
let app = M17App::new(soundmodem);
app.start().unwrap();
std::thread::sleep(std::time::Duration::from_secs(1));
use m17app::app::M17App;
use m17app::link_setup::LinkSetup;
use m17app::soundcard::Soundcard;
-use m17app::soundmodem::{NullOutputSink, NullPtt, Soundmodem};
+use m17app::soundmodem::{NullErrorHandler, NullOutputSink, NullPtt, Soundmodem};
use m17app::PacketType;
use std::sync::Arc;
fn main() {
let soundcard = Soundcard::new("plughw:CARD=Device,DEV=0").unwrap();
- let soundmodem = Soundmodem::new(soundcard.input(), NullOutputSink::new(), NullPtt::new());
+ let soundmodem = Soundmodem::new(
+ soundcard.input(),
+ NullOutputSink::new(),
+ NullPtt::new(),
+ NullErrorHandler::new(),
+ );
let app = M17App::new(soundmodem);
app.add_packet_adapter(PacketPrinter).unwrap();
app.start().unwrap();
use m17app::link_setup::{LinkSetup, M17Address};
use m17app::serial::{PttPin, SerialPtt};
use m17app::soundcard::Soundcard;
-use m17app::soundmodem::Soundmodem;
+use m17app::soundmodem::{NullErrorHandler, Soundmodem};
use m17core::protocol::PacketType;
fn main() {
let soundcard = Soundcard::new("plughw:CARD=Device,DEV=0").unwrap();
soundcard.set_tx_inverted(true);
let ptt = SerialPtt::new("/dev/ttyUSB0", PttPin::Rts).unwrap();
- let soundmodem = Soundmodem::new(soundcard.input(), soundcard.output(), ptt);
+ let soundmodem = Soundmodem::new(
+ soundcard.input(),
+ soundcard.output(),
+ ptt,
+ NullErrorHandler::new(),
+ );
let app = M17App::new(soundmodem);
app.start().unwrap();