From: Jean THOMAS <git0@pub.jeanthomas.me>
Date: Tue, 4 Aug 2020 13:43:56 +0000 (+0200)
Subject: Raise ValueError if commands array isn't of len=4 (fixing #48)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=afafadffe4d59cc943ca6879c36ebe461add8120;p=gram.git

Raise ValueError if commands array isn't of len=4 (fixing #48)
---

diff --git a/gram/core/multiplexer.py b/gram/core/multiplexer.py
index f59c389..37114dc 100644
--- a/gram/core/multiplexer.py
+++ b/gram/core/multiplexer.py
@@ -140,7 +140,9 @@ class _Steerer(Elaboratable):
     """
 
     def __init__(self, commands, dfi):
-        assert len(commands) == 4
+        if len(commands) != 4:
+            raise ValueError("Commands is not the right size")
+
         self._commands = commands
         self._dfi = dfi
         self.sel = [Signal(range(len(commands))) for i in range(len(dfi.phases))]