Updated
Adafruit_SSD1306.h@5:c3e0f8165538, 2014-11-18 (annotated)
- Committer:
- canterol
- Date:
- Tue Nov 18 03:03:40 2014 +0000
- Revision:
- 5:c3e0f8165538
- Parent:
- 4:f79c4a74f266
Updated
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nkhorman | 0:c3dcd4c4983a | 1 | /********************************************************************* |
nkhorman | 0:c3dcd4c4983a | 2 | This is a library for our Monochrome OLEDs based on SSD1306 drivers |
nkhorman | 0:c3dcd4c4983a | 3 | |
nkhorman | 0:c3dcd4c4983a | 4 | Pick one up today in the adafruit shop! |
nkhorman | 0:c3dcd4c4983a | 5 | ------> http://www.adafruit.com/category/63_98 |
nkhorman | 0:c3dcd4c4983a | 6 | |
nkhorman | 0:c3dcd4c4983a | 7 | These displays use SPI to communicate, 4 or 5 pins are required to |
nkhorman | 0:c3dcd4c4983a | 8 | interface |
nkhorman | 0:c3dcd4c4983a | 9 | |
nkhorman | 0:c3dcd4c4983a | 10 | Adafruit invests time and resources providing this open source code, |
nkhorman | 0:c3dcd4c4983a | 11 | please support Adafruit and open-source hardware by purchasing |
nkhorman | 0:c3dcd4c4983a | 12 | products from Adafruit! |
nkhorman | 0:c3dcd4c4983a | 13 | |
nkhorman | 0:c3dcd4c4983a | 14 | Written by Limor Fried/Ladyada for Adafruit Industries. |
nkhorman | 0:c3dcd4c4983a | 15 | BSD license, check license.txt for more information |
nkhorman | 0:c3dcd4c4983a | 16 | All text above, and the splash screen must be included in any redistribution |
nkhorman | 0:c3dcd4c4983a | 17 | *********************************************************************/ |
nkhorman | 0:c3dcd4c4983a | 18 | |
nkhorman | 0:c3dcd4c4983a | 19 | /* |
nkhorman | 0:c3dcd4c4983a | 20 | * Modified by Neal Horman 7/14/2012 for use in LPC1768 |
nkhorman | 0:c3dcd4c4983a | 21 | */ |
nkhorman | 0:c3dcd4c4983a | 22 | |
nkhorman | 0:c3dcd4c4983a | 23 | #ifndef _ADAFRUIT_SSD1306_H_ |
nkhorman | 0:c3dcd4c4983a | 24 | #define _ADAFRUIT_SSD1306_H_ |
nkhorman | 0:c3dcd4c4983a | 25 | |
nkhorman | 0:c3dcd4c4983a | 26 | #include "mbed.h" |
nkhorman | 0:c3dcd4c4983a | 27 | #include "Adafruit_GFX.h" |
nkhorman | 0:c3dcd4c4983a | 28 | |
nkhorman | 0:c3dcd4c4983a | 29 | /*========================================================================= |
nkhorman | 0:c3dcd4c4983a | 30 | SSD1306 Displays |
nkhorman | 0:c3dcd4c4983a | 31 | ----------------------------------------------------------------------- |
nkhorman | 0:c3dcd4c4983a | 32 | The driver is used in multiple displays (128x64, 128x32, etc.). |
nkhorman | 0:c3dcd4c4983a | 33 | Select the appropriate display below to create an appropriately |
nkhorman | 0:c3dcd4c4983a | 34 | sized framebuffer, etc. |
nkhorman | 0:c3dcd4c4983a | 35 | |
nkhorman | 0:c3dcd4c4983a | 36 | SSD1306_128_64 128x64 pixel display |
nkhorman | 0:c3dcd4c4983a | 37 | |
nkhorman | 0:c3dcd4c4983a | 38 | SSD1306_128_32 128x32 pixel display |
nkhorman | 0:c3dcd4c4983a | 39 | |
nkhorman | 0:c3dcd4c4983a | 40 | You also need to set the LCDWIDTH and LCDHEIGHT defines to an |
nkhorman | 0:c3dcd4c4983a | 41 | appropriate size |
nkhorman | 0:c3dcd4c4983a | 42 | |
nkhorman | 0:c3dcd4c4983a | 43 | -----------------------------------------------------------------------*/ |
DrCoyle | 4:f79c4a74f266 | 44 | #define SSD1306_128_64 |
DrCoyle | 4:f79c4a74f266 | 45 | //#define SSD1306_128_32 |
nkhorman | 0:c3dcd4c4983a | 46 | /*=========================================================================*/ |
nkhorman | 0:c3dcd4c4983a | 47 | |
nkhorman | 0:c3dcd4c4983a | 48 | #if defined SSD1306_128_64 && defined SSD1306_128_32 |
nkhorman | 0:c3dcd4c4983a | 49 | #error "Only one SSD1306 display can be specified at once in SSD1306.h" |
nkhorman | 0:c3dcd4c4983a | 50 | #endif |
nkhorman | 0:c3dcd4c4983a | 51 | #if !defined SSD1306_128_64 && !defined SSD1306_128_32 |
nkhorman | 0:c3dcd4c4983a | 52 | #error "At least one SSD1306 display must be specified in SSD1306.h" |
nkhorman | 0:c3dcd4c4983a | 53 | #endif |
nkhorman | 0:c3dcd4c4983a | 54 | |
nkhorman | 0:c3dcd4c4983a | 55 | #if defined SSD1306_128_64 |
nkhorman | 0:c3dcd4c4983a | 56 | #define SSD1306_LCDWIDTH 128 |
nkhorman | 0:c3dcd4c4983a | 57 | #define SSD1306_LCDHEIGHT 64 |
nkhorman | 0:c3dcd4c4983a | 58 | #endif |
nkhorman | 0:c3dcd4c4983a | 59 | #if defined SSD1306_128_32 |
nkhorman | 0:c3dcd4c4983a | 60 | #define SSD1306_LCDWIDTH 128 |
nkhorman | 0:c3dcd4c4983a | 61 | #define SSD1306_LCDHEIGHT 32 |
nkhorman | 0:c3dcd4c4983a | 62 | #endif |
nkhorman | 0:c3dcd4c4983a | 63 | |
nkhorman | 0:c3dcd4c4983a | 64 | #define SSD1306_SETCONTRAST 0x81 |
nkhorman | 0:c3dcd4c4983a | 65 | #define SSD1306_DISPLAYALLON_RESUME 0xA4 |
nkhorman | 0:c3dcd4c4983a | 66 | #define SSD1306_DISPLAYALLON 0xA5 |
nkhorman | 0:c3dcd4c4983a | 67 | #define SSD1306_NORMALDISPLAY 0xA6 |
nkhorman | 0:c3dcd4c4983a | 68 | #define SSD1306_INVERTDISPLAY 0xA7 |
nkhorman | 0:c3dcd4c4983a | 69 | #define SSD1306_DISPLAYOFF 0xAE |
nkhorman | 0:c3dcd4c4983a | 70 | #define SSD1306_DISPLAYON 0xAF |
nkhorman | 0:c3dcd4c4983a | 71 | #define SSD1306_SETDISPLAYOFFSET 0xD3 |
nkhorman | 0:c3dcd4c4983a | 72 | #define SSD1306_SETCOMPINS 0xDA |
nkhorman | 0:c3dcd4c4983a | 73 | #define SSD1306_SETVCOMDETECT 0xDB |
nkhorman | 0:c3dcd4c4983a | 74 | #define SSD1306_SETDISPLAYCLOCKDIV 0xD5 |
nkhorman | 0:c3dcd4c4983a | 75 | #define SSD1306_SETPRECHARGE 0xD9 |
nkhorman | 0:c3dcd4c4983a | 76 | #define SSD1306_SETMULTIPLEX 0xA8 |
nkhorman | 0:c3dcd4c4983a | 77 | #define SSD1306_SETLOWCOLUMN 0x00 |
nkhorman | 0:c3dcd4c4983a | 78 | #define SSD1306_SETHIGHCOLUMN 0x10 |
nkhorman | 0:c3dcd4c4983a | 79 | #define SSD1306_SETSTARTLINE 0x40 |
nkhorman | 0:c3dcd4c4983a | 80 | #define SSD1306_MEMORYMODE 0x20 |
nkhorman | 0:c3dcd4c4983a | 81 | #define SSD1306_COMSCANINC 0xC0 |
nkhorman | 0:c3dcd4c4983a | 82 | #define SSD1306_COMSCANDEC 0xC8 |
nkhorman | 0:c3dcd4c4983a | 83 | #define SSD1306_SEGREMAP 0xA0 |
nkhorman | 0:c3dcd4c4983a | 84 | #define SSD1306_CHARGEPUMP 0x8D |
nkhorman | 0:c3dcd4c4983a | 85 | #define SSD1306_EXTERNALVCC 0x1 |
nkhorman | 0:c3dcd4c4983a | 86 | #define SSD1306_SWITCHCAPVCC 0x2 |
nkhorman | 0:c3dcd4c4983a | 87 | |
nkhorman | 0:c3dcd4c4983a | 88 | // an DigitalOut sub-class that provides a constructed default state |
nkhorman | 0:c3dcd4c4983a | 89 | class DigitalOut2 : public DigitalOut |
nkhorman | 0:c3dcd4c4983a | 90 | { |
nkhorman | 0:c3dcd4c4983a | 91 | public: |
nkhorman | 3:969ca9fe5e2b | 92 | DigitalOut2(PinName pin, bool active = false) : DigitalOut(pin) { write(active); }; |
nkhorman | 0:c3dcd4c4983a | 93 | DigitalOut2& operator= (int value) { write(value); return *this; }; |
nkhorman | 0:c3dcd4c4983a | 94 | DigitalOut2& operator= (DigitalOut2& rhs) { write(rhs.read()); return *this; }; |
nkhorman | 0:c3dcd4c4983a | 95 | operator int() { return read(); }; |
nkhorman | 0:c3dcd4c4983a | 96 | }; |
nkhorman | 0:c3dcd4c4983a | 97 | |
nkhorman | 0:c3dcd4c4983a | 98 | class Adafruit_SSD1306 : public Adafruit_GFX |
nkhorman | 0:c3dcd4c4983a | 99 | { |
nkhorman | 0:c3dcd4c4983a | 100 | public: |
nkhorman | 0:c3dcd4c4983a | 101 | Adafruit_SSD1306(SPI &spi, PinName DC, PinName RST, PinName CS); |
nkhorman | 0:c3dcd4c4983a | 102 | void begin(uint8_t switchvcc = SSD1306_SWITCHCAPVCC); |
nkhorman | 0:c3dcd4c4983a | 103 | void ssd1306_command(uint8_t c); |
nkhorman | 0:c3dcd4c4983a | 104 | void ssd1306_data(uint8_t c); |
nkhorman | 0:c3dcd4c4983a | 105 | |
nkhorman | 0:c3dcd4c4983a | 106 | void clearDisplay(void); |
nkhorman | 0:c3dcd4c4983a | 107 | virtual void invertDisplay(bool i); |
DrCoyle | 4:f79c4a74f266 | 108 | virtual void invertSection(int16_t x, int16_t y,int16_t num); |
nkhorman | 0:c3dcd4c4983a | 109 | void display(); |
nkhorman | 0:c3dcd4c4983a | 110 | |
nkhorman | 0:c3dcd4c4983a | 111 | virtual void drawPixel(int16_t x, int16_t y, uint16_t color); |
nkhorman | 0:c3dcd4c4983a | 112 | |
nkhorman | 0:c3dcd4c4983a | 113 | private: |
nkhorman | 0:c3dcd4c4983a | 114 | DigitalOut2 rst,cs,dc; |
nkhorman | 0:c3dcd4c4983a | 115 | SPI &mspi; |
nkhorman | 0:c3dcd4c4983a | 116 | // the memory buffer for the LCD |
nkhorman | 0:c3dcd4c4983a | 117 | uint8_t buffer[SSD1306_LCDHEIGHT * SSD1306_LCDWIDTH / 8]; |
nkhorman | 0:c3dcd4c4983a | 118 | }; |
nkhorman | 0:c3dcd4c4983a | 119 | |
nkhorman | 0:c3dcd4c4983a | 120 | #endif |