From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Tue, 29 Sep 2015 05:11:40 +0000 (+0800)
Subject: fhdl: typecheck ClockSignal and ResetSignal arguments
X-Git-Tag: 24jan2021_ls180~2099^2~3^2~35
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b4c5ffc1bad1eed03be81bcf3420033c822419a8;p=litex.git

fhdl: typecheck ClockSignal and ResetSignal arguments
---

diff --git a/migen/fhdl/structure.py b/migen/fhdl/structure.py
index ae378062..f4250266 100644
--- a/migen/fhdl/structure.py
+++ b/migen/fhdl/structure.py
@@ -379,6 +379,8 @@ class ClockSignal(_Value):
     """
     def __init__(self, cd="sys"):
         _Value.__init__(self)
+        if not isinstance(cd, str):
+            raise TypeError("Argument of ClockSignal must be a string")
         self.cd = cd
 
 
@@ -398,6 +400,8 @@ class ResetSignal(_Value):
     """
     def __init__(self, cd="sys", allow_reset_less=False):
         _Value.__init__(self)
+        if not isinstance(cd, str):
+            raise TypeError("Argument of ResetSignal must be a string")
         self.cd = cd
         self.allow_reset_less = allow_reset_less