From f8bb110caad3c24a10691cb2a2419669f45784c6 Mon Sep 17 00:00:00 2001
From: Sean Anderson <seanga2@gmail.com>
Date: Sat, 6 Aug 2022 21:44:49 -0400
Subject: [PATCH] tb: pmd: Allow a larger range for alignment

If we get a run of 1s (or 0s) at the start of the stream, it may take a
while for us to align. Increase the alignment range. Additionally, from
testing, it appears that negative ranges are never used. Just start at
0.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
---
 tb/pmd.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tb/pmd.py b/tb/pmd.py
index eb421ff..52f7cd1 100644
--- a/tb/pmd.py
+++ b/tb/pmd.py
@@ -66,7 +66,7 @@ async def test_rx(pmd, delays):
 
     best_corr = -1
     best_off = None
-    for off in range(-7, 8):
+    for off in range(16):
         corr = sum(i == o for i, o in zip(ins[off:], outs))
         if corr > best_corr:
             best_corr = corr