Skip to content

Support for SH1106 #29

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Support for SH1106 #29

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
43acfb8
Ported library for SH1106 display controller
Jun 26, 2015
9577d4d
Updated README
shondll Jun 26, 2015
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
26 changes: 26 additions & 0 deletions Adafruit_SSD1306.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -474,6 +474,30 @@ void Adafruit_SSD1306::ssd1306_data(uint8_t c) {
}

void Adafruit_SSD1306::display(void) {

#if defined SH1106_128_64
for (int index = 0; index < 8; index++) {
ssd1306_command(SH1106_SETSTARTPAGE + index);
/* for some reason display is shifted by 2 columns
* on 1.3" displays from ebay
*/
ssd1306_command(SSD1306_SETLOWCOLUMN + 2); // low column start address
ssd1306_command(SSD1306_SETHIGHCOLUMN); // high column start address

for (int pixel = 0; pixel < SSD1306_LCDWIDTH; pixel++) {
Wire.beginTransmission(_i2caddr);
WIRE_WRITE(0x40);
// input buffer doesn't accept all bytes at once
for (uint8_t x=0; x<16; x++) {
WIRE_WRITE(buffer[index * SSD1306_LCDWIDTH + pixel]);
++pixel;
}
--pixel;
Wire.endTransmission();
}
}
#else

ssd1306_command(SSD1306_COLUMNADDR);
ssd1306_command(0); // Column start address (0 = reset)
ssd1306_command(SSD1306_LCDWIDTH-1); // Column end address (127 = reset)
Expand Down Expand Up @@ -530,6 +554,8 @@ void Adafruit_SSD1306::display(void) {
TWBR = twbrbackup;
#endif
}

#endif
}

// clear everything
Expand Down
15 changes: 12 additions & 3 deletions Adafruit_SSD1306.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -57,19 +57,26 @@ All text above, and the splash screen must be included in any redistribution
SSD1306_96_16

-----------------------------------------------------------------------*/
#define SSD1306_128_64
#define SH1106_128_64
// #define SSD1306_128_64
// #define SSD1306_128_32
// #define SSD1306_96_16
/*=========================================================================*/


#if defined SSD1306_128_64 && defined SH1106_128_64
#error "Select either SH1106 or SSD1306 display type in SSD1306.h"
#endif

#if defined SSD1306_128_64 && defined SSD1306_128_32
#error "Only one SSD1306 display can be specified at once in SSD1306.h"
#endif
#if !defined SSD1306_128_64 && !defined SSD1306_128_32 && !defined SSD1306_96_16
#if !defined SSD1306_128_64 && !defined SSD1306_128_32 && \
!defined SSD1306_96_16 && !defined SH1106_128_64
#error "At least one SSD1306 display must be specified in SSD1306.h"
#endif

#if defined SSD1306_128_64
#if defined SSD1306_128_64 || defined SH1106_128_64
#define SSD1306_LCDWIDTH 128
#define SSD1306_LCDHEIGHT 64
#endif
Expand Down Expand Up @@ -119,6 +126,8 @@ All text above, and the splash screen must be included in any redistribution
#define SSD1306_EXTERNALVCC 0x1
#define SSD1306_SWITCHCAPVCC 0x2

#define SH1106_SETSTARTPAGE 0xB0

// Scrolling #defines
#define SSD1306_ACTIVATE_SCROLL 0x2F
#define SSD1306_DEACTIVATE_SCROLL 0x2E
Expand Down
4 changes: 3 additions & 1 deletion README.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
>> Also has support for a SH1106 display driver driven by I2C. <<

This is a library for our Monochrome OLEDs based on SSD1306 drivers

Pick one up today in the adafruit shop!
Expand All @@ -21,4 +23,4 @@ Place the Adafruit_SSD1306 library folder your <arduinosketchfolder>/libraries/

You will also have to download the Adafruit GFX Graphics core which does all the circles, text, rectangles, etc. You can get it from
https://github.com/adafruit/Adafruit-GFX-Library
and download/install that library as well
and download/install that library as well