include/driver/ssd1306.h

@@ -163,7 +163,7 @@ class SSD1306 {
 			SSD1306_SET_COL_ADDR, 0, 127,
 
 			// reset page pointer
-			SSD1306_SET_PAGE_ADDR, 0, 7
+			SSD1306_SET_PAGE_ADDR, 0, height/8-1
 		};
 
 		void writeCommand(uint8_t command);

src/app/ssd1306test/Kconfig

@@ -3,4 +3,6 @@
 # SPDX-License-Identifier: CC0-1.0
 
 prompt "SSD1306 Test"
-depends on driver_ssd1306 && loop && !wakeup
+depends on driver_ssd1306 && driver_ssd1306_mode_vertical
+depends on loop
+depends on !wakeup