(1.0/examples/eeprom.c/4/10)Only try ftdi_usb_open_dev if devices found

[Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

-- 
Uwe Bonnes                bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
>From 03ffb20e7c8bfda3b2c5efaee6afbdc86e241816 Mon Sep 17 00:00:00 2001
From: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 12 Jul 2011 12:19:06 +0200
Subject: examples/eeprom: Only try  ftdi_usb_open_dev if devices found

---
 examples/eeprom.c |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/examples/eeprom.c b/examples/eeprom.c
index e947c00..ef789a3 100644
--- a/examples/eeprom.c
+++ b/examples/eeprom.c
@@ -169,7 +169,20 @@ int main(int argc, char **argv)
             retval = EXIT_SUCCESS;
             goto do_deinit;
         }
-        f = ftdi_usb_open_dev(ftdi,  devlist[0].dev);
+        else if (res == 1)
+        {
+            f = ftdi_usb_open_dev(ftdi,  devlist[0].dev);
+            if (f<0)
+            {
+                fprintf(stderr, "Unable to open device %d: (%s)",
+                        i, ftdi_get_error_string(ftdi));
+            }
+        }
+        else
+        {
+            fprintf(stderr, "No devices found\n");
+            f = 0;
+        }
         ftdi_list_free(&devlist);
     }
     else
-- 
1.7.3.4


--
libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
To unsubscribe send a mail to libftdi+unsubscribe@xxxxxxxxxxxxxxxxxxxxxxx