From ae7195e94318ab711147173b081df2dd2e59fd12 Mon Sep 17 00:00:00 2001
From: Francois Cartegnie <fcartegnie@free.fr>
Date: Tue, 2 Jan 2024 19:27:10 +0100
Subject: [PATCH] try alternate endpoint on failure

just switching endpoint on exception

simple user friendly fix
---
 lednamebadge.py | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/lednamebadge.py b/lednamebadge.py
index a598f9f..0b9aa6d 100755
--- a/lednamebadge.py
+++ b/lednamebadge.py
@@ -573,10 +573,17 @@ or
                 pass
             dev.set_configuration()
             print("using [%s %s] bus=%d dev=%d" % (dev.manufacturer, dev.product, dev.bus, dev.address))
-            for i in range(int(len(buf) / 64)):
+            endpoint = 1
+            i = 0
+            while i < int(len(buf) / 64):
                 time.sleep(0.1)
-                dev.write(1, buf[i * 64:i * 64 + 64])
-
+                try:
+                    dev.write(endpoint, buf[i * 64:i * 64 + 64])
+                    i += 1
+                except ValueError:
+                    if endpoint == 1:
+                        endpoint = 2
+                        i = 0
 
 def split_to_ints(list_str):
     return [int(x) for x in re.split(r'[\s,]+', list_str)]