Commit 66fbc1f9 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

ssd1306: support both vertical and horizontal adress modes

parent ae792d1a

include/driver/ssd1306.h

+23 −2
Original line number Diff line number Diff line
@@ -49,16 +49,37 @@ class SSD1306 { 
			// Turn off power for configuration

			SSD1306_SET_DISP | 0x00,



#ifdef CONFIG_driver_ssd1306_mode_horizontal

			/*

			 * Enable Horizontal Addressing Mode. Assuming image data is

			 * {A, B, C, ...}, each byte corresponds to a 1x8 column, starting

			 * Enable Horizontal Addressing Mode. Assuming image data is {A, B, C,

			 * ..., a, b, c, ...}, each byte corresponds to a 1x8 column, starting

			 * at the top left corner and proceeding to the right and then down:

			 *

			 * A7 B7 C7 ...

			 * .. .. .. ...

			 * A0 B0 C0 ...

			 * a7 b7 c7 ...

			 * .. .. .. ...

			 * a0 b0 c0 ...

			 */

			SSD1306_SET_MEM_ADDR, 0x00,

#endif

#ifdef CONFIG_driver_ssd1306_mode_vertical

			/*

			 * Enable Vertical Addressing Mode. Assuming image data is {A, B, C,

			 * ..., a, b, c, ...}, each byte corresponds to a 1x8 column, starting

			 * at the top left corner and proceeding down and then to the right:

			 *

			 * A7 a7 ...

			 * .. .. ...

			 * A0 a0 ...

			 * B7 b7 ...

			 * .. .. ...

			 * B0 b0 ...

			 * .. .. ...

			 */

			SSD1306_SET_MEM_ADDR, 0x01,

#endif



			// RAM line 0 == display line 0

			SSD1306_SET_DISP_START_LINE | 0x00,

src/driver/Kconfig

+12 −0
Original line number Diff line number Diff line
@@ -102,6 +102,18 @@ int "Display height" 
default 64

depends on driver_ssd1306



choice driver_ssd1306_mode

bool "Addressing Mode"

depends on driver_ssd1306



config driver_ssd1306_mode_vertical

bool "Vertical"



config driver_ssd1306_mode_horizontal

bool "Horizontal bytes, Vertical bits"



endchoice



config driver_softi2c

bool "Software I2C"

#depends on !driver_i2c