From 9f53bd42788460d6bebd4f2f50af32a710667c93 Mon Sep 17 00:00:00 2001
From: Maya <96890070+VioletEternity@users.noreply.github.com>
Date: Fri, 11 Mar 2022 23:34:45 +0000
Subject: ecp5: accept lowercase characters in hex strings.

---
 ecp5/bitstream.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ecp5/bitstream.cc')

diff --git a/ecp5/bitstream.cc b/ecp5/bitstream.cc
index b1c60ccb..40d843b9 100644
--- a/ecp5/bitstream.cc
+++ b/ecp5/bitstream.cc
@@ -131,7 +131,7 @@ static void tie_cib_signal(Context *ctx, ChipConfig &cc, WireId wire, bool value
 inline int chtohex(char c)
 {
     static const std::string hex = "0123456789ABCDEF";
-    return hex.find(c);
+    return hex.find(std::toupper(c));
 }
 
 std::vector<bool> parse_init_str(const Property &p, int length, const char *cellname)
-- 
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