/*********************************************************************
Editor: Lauren
E
-Mail: Lauren
.pan@dfrobot
.com
Date:
2012.11.21
Description
Improve the library to work with Oled 2864 and Arduino Uno
Modify the display() function
This is a library for our Monochrome OLEDs based on SSD1306 drivers
Pick one up today in the adafruit shop!
------> http://www
.adafruit
.com/category/63_98
Oled 2864 from DFRobot
------> http://www
.dfrobot
.com/index
.php?route=product/product&product_id=802#
.UKyOjE09ha0
You can also pick up an OLED 2864 Display Module in DFRobot
------>
The OLED 2864 Display Module uses IIC to comunicate and this
provides great convenience for using
.
These displays use SPI to communicate, 4 or 5 pins are required to
interface
Adafruit invests time and resources providing this open source code,
please support Adafruit and open
-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries
.
BSD license, check license
.txt for more information
All text above, and the splash screen must be included in any redistribution
*********************************************************************/
#if ARDUINO >= 100
#include "Arduino
.h"
#else
#include "WProgram
.h"
#endif
#include <Adafruit_GFX
.h>
#define BLACK 0
#define WHITE 1
#define SSD1306_I2C_ADDRESS 0x3C // 0
11110+SA0+RW
- 0x3C or 0x3D
// Address for 128x32 is 0x3C
// Address for 128x32 is 0x3D (default) or 0x3C (if SA0 is grounded)
/*=========================================================================
SSD1306 Displays
-----------------------------------------------------------------------
The driver is used in multiple displays (128x64, 128x32, etc
.)
.
Select the appropriate display below to create an appropriately
sized framebuffer, etc
.
SSD1306_128_64 128x64 pixel display
SSD1306_128_32 128x32 pixel display
You also need to set the LCDWIDTH and LCDHEIGHT defines to an
appropriate size
-----------------------------------------------------------------------*/
#define SSD1306_128_64
// #define SSD1306_128_32
/*=========================================================================*/
#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
#error "At least one SSD1306 display must be specified in SSD1306
.h"
#endif
#if defined SSD1306_128_64
#define SSD1306_LCDWIDTH 128
#define SSD1306_LCDHEIGHT 64
#endif
#if defined SSD1306_128_32
#define SSD1306_LCDWIDTH 128
#define SSD1306_LCDHEIGHT 32
#endif
#define SSD1306_SETCONTRAST 0x81
#define SSD1306_DISPLAYALLON_RESUME 0xA4
#define SSD1306_DISPLAYALLON 0xA5
#define SSD1306_NORMALDISPLAY 0xA6
#define SSD1306_INVERTDISPLAY 0xA7
#define SSD1306_DISPLAYOFF 0xAE
#define SSD1306_DISPLAYON 0xAF
#define SSD1306_SETDISPLAYOFFSET 0xD3
#define SSD1306_SETCOMPINS 0xDA
#define SSD1306_SETVCOMDETECT 0xDB
#define SSD1306_SETDISPLAYCLOCKDIV 0xD5
#define SSD1306_SETPRECHARGE 0xD9
#define SSD1306_SETMULTIPLEX 0xA8
#define SSD1306_SETLOWCOLUMN 0x00
#define SSD1306_SETHIGHCOLUMN 0x10
#define SSD1306_SETSTARTLINE 0x40
#define SSD1306_MEMORYMODE 0x20
#define SSD1306_COMSCANINC 0xC0
#define SSD1306_COMSCANDEC 0xC8
#define SSD1306_SEGREMAP 0xA0
#define SSD1306_CHARGEPUMP 0x8D
#define SSD1306_EXTERNALVCC 0x1
#define SSD1306_SWITCHCAPVCC 0x2
// Scrolling #defines
#define SSD1306_ACTIVATE_SCROLL 0x2F
#define SSD1306_DEACTIVATE_SCROLL 0x2E
#define SSD1306_SET_VERTICAL_SCROLL_AREA 0xA3
#define SSD1306_RIGHT_HORIZONTAL_SCROLL 0x26
#define SSD1306_LEFT_HORIZONTAL_SCROLL 0x27
#define SSD1306_VERTICAL_AND_RIGHT_HORIZONTAL_SCROLL 0x29
#define SSD1306_VERTICAL_AND_LEFT_HORIZONTAL_SCROLL 0x2A
class SSD1306 : public Adafruit_GFX {
public:
SSD1306(int8_t SID, int8_t SCLK, int8_t DC, int8_t RST, int8_t CS);
SSD1306(int8_t RST);
void begin(uint8_t switchvcc = SSD1306_SWITCHCAPVCC, uint8_t i2caddr = SSD1306_I2C_ADDRESS);
void ssd1306_command(uint8_t c);
void ssd1306_data(uint8_t c);
void clearDisplay(void);
void invertDisplay(uint8_t i);
void display();
void startscrollright(uint8_t start, uint8_t stop);
void startscrollleft(uint8_t start, uint8_t stop);
void startscrolldiagright(uint8_t start, uint8_t stop);
void startscrolldiagleft(uint8_t start, uint8_t stop);
void stopscroll(void);
void drawPixel(int16_t x, int16_t y, uint16_t color);
void fill(unsigned char dat);
void clearBuffer();
private:
int8_t _i2caddr, sid, sclk, dc, rst, cs;
void fastSPIwrite(uint8_t c);
void slowSPIwrite(uint8_t c);
volatile uint8_t *mosiport, *clkport, *csport, *dcport;
uint8_t mosipinmask, clkpinmask, cspinmask, dcpinmask;
};
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