wfa
Fork of Adafruit_GFX by
Diff: Adafruit_SSD1306.h
- Revision:
- 0:c3dcd4c4983a
- Child:
- 3:969ca9fe5e2b
diff -r 000000000000 -r c3dcd4c4983a Adafruit_SSD1306.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Adafruit_SSD1306.h Mon Jul 16 02:19:36 2012 +0000 @@ -0,0 +1,119 @@ +/********************************************************************* +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 + +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 +*********************************************************************/ + +/* + * Modified by Neal Horman 7/14/2012 for use in LPC1768 + */ + +#ifndef _ADAFRUIT_SSD1306_H_ +#define _ADAFRUIT_SSD1306_H_ + +#include "mbed.h" +#include "Adafruit_GFX.h" + +/*========================================================================= + 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 + +// an DigitalOut sub-class that provides a constructed default state +class DigitalOut2 : public DigitalOut +{ +public: + DigitalOut2(PinName pin, bool active = false, const char *name = NULL) : DigitalOut(pin,name) { write(active); }; + DigitalOut2& operator= (int value) { write(value); return *this; }; + DigitalOut2& operator= (DigitalOut2& rhs) { write(rhs.read()); return *this; }; + operator int() { return read(); }; +}; + +class Adafruit_SSD1306 : public Adafruit_GFX +{ + public: + Adafruit_SSD1306(SPI &spi, PinName DC, PinName RST, PinName CS); + void begin(uint8_t switchvcc = SSD1306_SWITCHCAPVCC); + void ssd1306_command(uint8_t c); + void ssd1306_data(uint8_t c); + + void clearDisplay(void); + virtual void invertDisplay(bool i); + void display(); + + virtual void drawPixel(int16_t x, int16_t y, uint16_t color); + +private: + DigitalOut2 rst,cs,dc; + SPI &mspi; + // the memory buffer for the LCD + uint8_t buffer[SSD1306_LCDHEIGHT * SSD1306_LCDWIDTH / 8]; +}; + +#endif \ No newline at end of file