added port and address constants

src/main.rs

@@ -16,6 +16,12 @@ use serial::prelude::*;
 
 //use std::str;
 
+
+// constants
+
+const LIDAR_ADDRESS: &str = "127.0.0.1:8080";
+const COUNTER_SERIAL_PORT: &str = "/dev/cu.usbmodem41";
+
 // should the map matrix be two dim array of const size, vecs of dynamic, or what?
 
 
@@ -25,7 +31,7 @@ const COLS: usize = 100;
 fn main() {
     // dummy thread for replacing lidar
     let server = thread::spawn(|| {
-        let listener = TcpListener::bind("127.0.0.1:8080").unwrap();
+        let listener = TcpListener::bind(LIDAR_ADDRESS).unwrap();
         let mut stream;
         let mut message =  [0u8; 2];
         match listener.accept() {
@@ -60,8 +66,7 @@ fn main() {
         println!("Tracker started.");
         
         let mut serial_buf: [u8; 8] = [0; 8];
-        let device = String::from("/dev/cu.usbmodem41");
-        let mut port = serial::open(&device).unwrap();
+        let mut port = serial::open(&COUNTER_SERIAL_PORT).unwrap();
         interact(&mut port).unwrap();
 
         
@@ -111,7 +116,7 @@ fn main() {
         let mut pos: (i32, i32); //= (0,0);
 
         // set up connection to lidar
-        let mut stream = TcpStream::connect("127.0.0.1:8080").unwrap();
+        let mut stream = TcpStream::connect(&LIDAR_ADDRESS).unwrap();
         let mut lidar_buf: [u8; 2] = [0; 2];
 
         // main loop for this thread