i2c version has an offset due to wrong copy of temp buffer to display buffer, fixed in Adafruit_SSD1306.h
Dependents: ezSBC_MPU9250 Test_OLED_Display untodoenuno OledI2CDisplay ... more
Fork of Adafruit_GFX by
Adafruit_SSD1306.h
- Committer:
- JojoS
- Date:
- 2017-07-24
- Revision:
- 23:0b35bb153799
- Parent:
- 21:ef35019b9b50
File content as of revision 23:0b35bb153799:
/********************************************************************* 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 mbed */ #ifndef _ADAFRUIT_SSD1306_H_ #define _ADAFRUIT_SSD1306_H_ #include "mbed.h" #include "Adafruit_GFX.h" #include <vector> #include <algorithm> #define SSD1306_EXTERNALVCC 0x1 #define SSD1306_SWITCHCAPVCC 0x2 /** The pure base class for the SSD1306 display driver. * * You should derive from this for a new transport interface type, * such as the SPI and I2C drivers. */ class Adafruit_SSD1306 : public Adafruit_GFX { public: Adafruit_SSD1306(PinName reset, uint8_t rawHeight = 32, uint8_t rawWidth = 128, bool flipVertical=false); // start display sequence void begin(uint8_t switchvcc = SSD1306_SWITCHCAPVCC); // These must be implemented in the derived transport driver virtual void command(uint8_t c) = 0; virtual void data(uint8_t c) = 0; virtual void drawPixel(int16_t x, int16_t y, uint16_t color); /// Clear the display buffer void clearDisplay(void); virtual void invertDisplay(bool i); void flipVertical(bool flip); /// Cause the display to be updated with the buffer content. void display(); /// Fill the buffer with the AdaFruit splash screen. virtual void splash(); protected: virtual void sendDisplayBuffer() = 0; DigitalOut _reset; bool _flipVertical; // the memory buffer for the LCD std::vector<uint8_t> buffer; }; /** This is the SPI SSD1306 display driver transport class * */ class Adafruit_SSD1306_Spi : public Adafruit_SSD1306 { public: /** Create a SSD1306 SPI transport display driver instance with the specified DC, RST, and CS pins, as well as the display dimentions * * Required parameters * @param spi - a reference to an initialized SPI object * @param DC (Data/Command) pin name * @param RST (Reset) pin name * @param CS (Chip Select) pin name * * Optional parameters * @param rawHeight - the vertical number of pixels for the display, defaults to 32 * @param rawWidth - the horizonal number of pixels for the display, defaults to 128 */ Adafruit_SSD1306_Spi(SPI &spi, PinName DC, PinName RST, PinName CS, uint8_t rawHieght = 32, uint8_t rawWidth = 128, bool flipVertical = false); virtual void command(uint8_t c); virtual void data(uint8_t c); protected: virtual void sendDisplayBuffer(); DigitalOut cs, dc; SPI &mspi; }; /** This is the I2C SSD1306 display driver transport class * */ class Adafruit_SSD1306_I2c : public Adafruit_SSD1306 { public: #define SSD_I2C_ADDRESS 0x78 /** Create a SSD1306 I2C transport display driver instance with the specified RST pin name, the I2C address, as well as the display dimensions * * Required parameters * @param i2c - A reference to an initialized I2C object * @param RST - The Reset pin name * * Optional parameters * @param i2cAddress - The i2c address of the display * @param rawHeight - The vertical number of pixels for the display, defaults to 32 * @param rawWidth - The horizonal number of pixels for the display, defaults to 128 */ Adafruit_SSD1306_I2c(I2C &i2c, PinName RST, uint8_t i2cAddress = SSD_I2C_ADDRESS, uint8_t rawHeight = 32, uint8_t rawWidth = 128, bool flipVertical = false); virtual void command(uint8_t c); virtual void data(uint8_t c); protected: virtual void sendDisplayBuffer(); I2C &mi2c; uint8_t mi2cAddress; }; #endif