Server.java: use USB serial if available

diff --git a/src/edu/berkeley/fleet/fpga/Server.java b/src/edu/berkeley/fleet/fpga/Server.java
index ae53589..623da49 100644 (file)
--- a/src/edu/berkeley/fleet/fpga/Server.java
+++ b/src/edu/berkeley/fleet/fpga/Server.java
@@ -77,7 +77,10 @@ public class Server {
             synchronized(Server.class) {
                 System.err.println("   (got it)");
                 try {
-                    this.sp = new RXTXPort("/dev/ttyS0");
+                    if (new File("/dev/cu.usbserial-FTCBWI2P").exists())
+                        this.sp = new RXTXPort("/dev/cu.usbserial-FTCBWI2P");
+                    else
+                        this.sp = new RXTXPort("/dev/ttyS0");
                     sp.setInputBufferSize(0);
                     sp.setOutputBufferSize(0);
                     //sp.setSerialPortParams(38400, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);