different default value + warns

src/main.rs

@@ -2,7 +2,7 @@ use anyhow::{Context, Result};
 use clap::{arg, Parser};
 use crc::{Crc, CRC_16_IBM_3740};
 use hound::{SampleFormat, WavSpec, WavWriter};
-use log::{debug, error, info, trace, LevelFilter};
+use log::{debug, error, info, trace, warn, LevelFilter};
 use serialport::SerialPort;
 use std::collections::HashMap;
 use std::io::{BufRead, BufReader, Read, Write};
@@ -33,7 +33,7 @@ struct Args {
     #[arg(long)]
     winsize: Option<u32>,
 
-    #[arg(long, default_value_t = 10, help = "Value in Hz")]
+    #[arg(long, default_value_t = 5, help = "Value in Hz")]
     request_rate: u32,
 
     #[arg(short = 'f', long)]
@@ -153,7 +153,10 @@ fn main() {
                     i16_writer
                         .flush()
                         .expect("Something went wrong while writing WAV file");
-                    info!("Sample: {cur_chunk_id}. WAV file {} has been written.", path.display());
+                    info!(
+                        "Sample: {cur_chunk_id}. WAV file {} has been written.",
+                        path.display()
+                    );
 
                     err_counter = err_counter.saturating_sub(1);
                     last_chunk_id = Some(cur_chunk_id);
@@ -369,7 +372,11 @@ fn get_chunk(
     std::thread::sleep(calculate_timeout(baud_rate, exp_buf_size(win_size)));
     match port.read(adc_buffer.as_mut_slice()) {
         Ok(len) => {
-            trace!("Buffer is received with len: {}", len);
+            if len != exp_buf_size(win_size) {
+                warn!("Received buffer with unexpected data length: {len}");
+            } else {
+                trace!("Buffer is received with length: {}", len);
+            }
         }
         Err(ref e) if e.kind() == std::io::ErrorKind::TimedOut => {
             debug!("Read timed out");
@@ -438,7 +445,7 @@ fn convert_to_i16(buffer: &[u8]) -> Vec<i16> {
 
 fn header_is_ok(vec: &[u8]) -> bool {
     vec.get(0..4)
-        .map(|bytes| u32::from_be_bytes(bytes.try_into().unwrap()))
+        .map(|bytes| u32::from_be_bytes(bytes.try_into().unwrap_or_default()))
         .unwrap_or_default()
         == 0x55AA55AA
 }