Some functions are not even tested

src/main.rs

@@ -1,4 +1,5 @@
-use std::{io::{Cursor, Error, Write}, time::{Duration, SystemTime}};
+use std::io::{Cursor, Error, Write};
+use std::time::{Duration, SystemTime};
 
 use pbr::ProgressBar;
 
@@ -42,7 +43,7 @@ pub fn read_chip_into(writer: &mut impl Write, target: &mut impl Target, start:
 	Ok(())
 } 
 
-pub fn read_chip(args: ArgRead, target: &mut impl Target) -> Result<(), Error> {
+fn read_chip(args: ArgRead, target: &mut PhysicalTarget) -> Result<(), Error> {
 	let mut file = std::fs::File::create(args.path)?;
 
 	match args.bin {
@@ -128,7 +129,7 @@ pub fn write_chip_chunk(data: &[u8], target: &mut impl Target, mut start: usize,
 	Ok(())
 }
 
-pub fn write_chip(args: ArgWrite, target: &mut impl Target) -> Result<(), Error> {
+fn write_chip(args: ArgWrite, target: &mut PhysicalTarget) -> Result<(), Error> {
 	if args.bin {
 		let mut file = std::fs::read(args.path)?;
 
@@ -194,7 +195,7 @@ pub fn write_chip(args: ArgWrite, target: &mut impl Target) -> Result<(), Error>
 	write_chip_chunk(&buf[first_addr..=last_addr], target, first_addr, !args.skip_verify)
 }
 
-pub fn erase_chip(_args: ArgErase, target: &mut impl Target) -> Result<(), Error> {
+fn erase_chip(_args: ArgErase, target: &mut PhysicalTarget) -> Result<(), Error> {
 	target.erase()?;
 
 	Ok(())