1 files changed, 2 insertions, 0 deletions
diff --git a/app/oled.h b/app/oled.h
index 8fac35a..0786981 100644
--- a/app/oled.h
+++ b/app/oled.h
@@ -45,3 +45,5 @@
 #define SSD1306_HEIGHT 32
 
 #define SSD1306_VRAM_SIZE (SSD1306_WIDTH * ((SSD1306_HEIGHT + 7) >> 3))
+
+#define DMA_BUF_SZ (2 + (SSD1306_VRAM_SIZE))