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authorNick Brassel <nick@tzarc.org>2022-04-19 00:39:45 +1000
committerGitHub <noreply@github.com>2022-04-18 15:39:45 +0100
commitf50a623909a29e45fb9bebfd16afd1835277b530 (patch)
tree7e7d1f66cab5a68f543a1aac640f752945f50418
parentb8245a550752ed3826902f63a75203c67282ace7 (diff)
Fixup AVR builds. (#16875)
* Fixup AVR builds. * Update platforms/avr/hardware_id.c Co-authored-by: Ryan <fauxpark@gmail.com> Co-authored-by: Joel Challis <git@zvecr.com> Co-authored-by: Ryan <fauxpark@gmail.com>
-rw-r--r--platforms/avr/hardware_id.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/platforms/avr/hardware_id.c b/platforms/avr/hardware_id.c
index 073834c19c..b61f0d92df 100644
--- a/platforms/avr/hardware_id.c
+++ b/platforms/avr/hardware_id.c
@@ -1,6 +1,12 @@
// Copyright 2022 QMK
// SPDX-License-Identifier: GPL-2.0-or-later
+// For some reason this bit is undocumented for some AVR parts and not defined in their avr-libc IO headers
+// See https://stackoverflow.com/questions/12350914/how-to-read-atmega-32-signature-row
+#ifndef SIGRD
+# define SIGRD 5
+#endif // SIGRD
+
#include <avr/boot.h>
#include "hardware_id.h"