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-rw-r--r--drivers/avr/ssd1306.c2
-rw-r--r--drivers/avr/ssd1306.h2
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/avr/ssd1306.c b/drivers/avr/ssd1306.c
index 205f74950..1a09a2bcb 100644
--- a/drivers/avr/ssd1306.c
+++ b/drivers/avr/ssd1306.c
@@ -11,6 +11,8 @@
# include "sendchar.h"
# include "timer.h"
+struct CharacterMatrix display;
+
// Set this to 1 to help diagnose early startup problems
// when testing power-on with ble. Turn it off otherwise,
// as the latency of printing most of the debug info messes
diff --git a/drivers/avr/ssd1306.h b/drivers/avr/ssd1306.h
index 9669d1b7e..9131afcf6 100644
--- a/drivers/avr/ssd1306.h
+++ b/drivers/avr/ssd1306.h
@@ -66,7 +66,7 @@ struct CharacterMatrix {
bool dirty;
};
-struct CharacterMatrix display;
+extern struct CharacterMatrix display;
bool iota_gfx_init(void);
void iota_gfx_task(void);