diff options
| -rw-r--r-- | platforms/avr/hardware_id.c | 6 |
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" |