From 5a67fe5e8f6a720f46d075005ef6c5c74ccaa40d Mon Sep 17 00:00:00 2001
From: Alex Mikhalev <alexmikhalevalex@gmail.com>
Date: Wed, 8 May 2019 21:33:09 -0700
Subject: [PATCH] allow specifying serial device

---
 e32_client/ugv.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/e32_client/ugv.py b/e32_client/ugv.py
index 7cd9907..97f67dc 100755
--- a/e32_client/ugv.py
+++ b/e32_client/ugv.py
@@ -103,9 +103,13 @@ class UGVComms(E32):
                 continue
 
 def main():
-    ser = serial.serial_for_url("/dev/ttyUSB2", baudrate=9600, parity=serial.PARITY_NONE,
+    if len(sys.argv) >= 2:
+        ser_url = sys.argv[1]
+    else:
+        ser_url = "hwgrep://"
+    ser = serial.serial_for_url(ser_url, baudrate=9600, parity=serial.PARITY_NONE,
                                 stopbits=serial.STOPBITS_ONE, bytesize=serial.EIGHTBITS,
-                                timeout=2.0)
+                                timeout=1.0)
     ugv = UGVComms(ser)
     ugv.start()
     time.sleep(0.2)