Added some stuff for the monitor (can already reboot the target)

src/target.rs

@@ -22,24 +22,10 @@ impl PhysicalTarget {
 
 		port.set_read_timeout(Duration::from_millis(100))?;
 
-		port.set_dtr(false)?;
-		std::thread::sleep(Duration::from_millis(100));
-
-		for i in (0..5).rev() {
-			port.write(b"U")?;
-
-			let mut buf = [0u8; 1];
-			port.read(&mut buf)?;
-
-			if buf[0] == b'U' { break }
-
-			if i == 0 {
-				Err(Error::other(format!("Invalid sync response: 0x{:02X}", buf[0])))?
-			}
-		}
-
 		let mut new = Self { port };
 
+		new.resync_target()?;
+
 		let manufacturer = new.read_info(0x00, 0x00).unwrap();
 		let family = new.read_info(0x00, 0x01).unwrap();
 		let name = new.read_info(0x00, 0x02).unwrap();
@@ -50,6 +36,29 @@ impl PhysicalTarget {
 		Ok(new)
 	}
 
+	pub fn resync_target(&mut self) -> Result<(), Error> {
+		self.port.set_dtr(true)?;
+		self.port.set_rts(true)?;
+		std::thread::sleep(Duration::from_millis(10));
+		self.port.set_dtr(false)?;
+		std::thread::sleep(Duration::from_millis(100));
+
+		for i in (0..5).rev() {
+			self.port.write(b"U")?;
+
+			let mut buf = [0u8; 1];
+			self.port.read(&mut buf)?;
+
+			if buf[0] == b'U' { break }
+
+			if i == 0 {
+				Err(Error::other(format!("Invalid sync response: 0x{:02X}", buf[0])))?
+			}
+		}
+
+		Ok(())
+	} 
+
 	pub fn read_info(&mut self, category: u8, idx: u8) -> Result<u8, Error> {
 		self.send_command(0x05, 0, &[category, idx])?;
 
@@ -126,6 +135,10 @@ impl PhysicalTarget {
 
 		Ok(())
 	}
+
+	pub fn port(&mut self) -> &mut SerialPort {
+		&mut self.port
+	}
 }
 
 impl Target for PhysicalTarget {
@@ -228,7 +241,11 @@ impl Target for PhysicalTarget {
 
 impl Drop for PhysicalTarget {
 	fn drop(&mut self) {
-		let _ = self.port.set_dtr(true);
+		self.port.set_dtr(true).unwrap();
+		self.port.set_rts(true).unwrap();
+		std::thread::sleep(Duration::from_millis(100));
+		self.port.set_dtr(false).unwrap();
+		self.port.set_rts(false).unwrap();
 	}
 }