displaying on SSD1306, 128x64 pixels OLED
OLED.h
- Committer:
- bvirk
- Date:
- 2020-02-25
- Revision:
- 10:8bf77efd1579
- Parent:
- 8:5972683a7190
- Child:
- 11:77aaf68a180b
File content as of revision 10:8bf77efd1579:
#include "MicroBit.h" #include <vector> #include "stdarg.h" #include "cppNorm.h" #ifndef microbitOLED_OLED #define microbitOLED_OLED #define SSD1306_CHARGEPUMP 0x8D #define SSD1306_COMSCANDEC 0xC8 #define SSD1306_COMSCANINC 0xC0 #define SSD1306_DISPLAYALLON 0xA5 #define SSD1306_DISPLAYALLON_RESUME 0xA4 #define SSD1306_DISPLAYON 0xAF #define SSD1306_DISPLAYOFF 0xAE #define SSD1306_MEMORYMODE 0x20 #define SSD1306_NORMALDISPLAY 0xA6 #define SSD1306_INVERTDISPLAY 0xA7 #define SSD1306_SEGREMAP 0xA0 #define SSD1306_SETCONTRAST 0x81 #define SSD1306_SETCOLUMNADRESS 0x21 #define SSD1306_SETVCOMDETECT 0xDB #define SSD1306_SETCOMPINS 0xDA #define SSD1306_SETDISPLAYOFFSET 0xD3 #define SSD1306_SETHIGHCOLUMN 0x10 #define SSD1306_SETLOWCOLUMN 0x00 #define SSD1306_SETPAGEADRESS 0x22 #define SSD1306_SETDISPLAYCLOCKDIV 0xD5 #define SSD1306_SETMULTIPLEX 0xA8 #define SSD1306_SETPRECHARGE 0xD9 #define SSD1306_SETSTARTLINE 0x40 /** * Access to bit 0-7, named by0 or x, and bit 8-15, named by1 or y * of 16 bit named that16. Can be consructed with either two uint8_t or * a uint16_t */ union uint16 { struct { uint8_t by0; uint8_t by1; }; struct { uint8_t x; uint8_t y; }; uint16_t that16; uint16(uint16_t all) : that16(all) {} uint16(uint8_t byte1,uint8_t byte0) : by1(byte1),by0(byte0) {} }; const unsigned char font[][5] = { {0x00,0x00,0x00,0x00,0x00}, {0x3E,0x5B,0x4F,0x5B,0x3E}, {0x3E,0x6B,0x4F,0x6B,0x3E}, {0x1C,0x3E,0x7C,0x3E,0x1C}, {0x18,0x3C,0x7E,0x3C,0x18}, {0x1C,0x57,0x7D,0x57,0x1C}, {0x1C,0x5E,0x7F,0x5E,0x1C}, {0x00,0x18,0x3C,0x18,0x00}, {0xFF,0xE7,0xC3,0xE7,0xFF}, {0x00,0x18,0x24,0x18,0x00}, {0xFF,0xE7,0xDB,0xE7,0xFF}, {0x30,0x48,0x3A,0x06,0x0E}, {0x26,0x29,0x79,0x29,0x26}, {0x40,0x7F,0x05,0x05,0x07}, {0x40,0x7F,0x05,0x25,0x3F}, {0x5A,0x3C,0xE7,0x3C,0x5A}, {0x7F,0x3E,0x1C,0x1C,0x08}, {0x08,0x1C,0x1C,0x3E,0x7F}, {0x14,0x22,0x7F,0x22,0x14}, {0x5F,0x5F,0x00,0x5F,0x5F}, {0x06,0x09,0x7F,0x01,0x7F}, {0x00,0x66,0x89,0x95,0x6A}, {0x60,0x60,0x60,0x60,0x60}, {0x94,0xA2,0xFF,0xA2,0x94}, {0x08,0x04,0x7E,0x04,0x08}, {0x10,0x20,0x7E,0x20,0x10}, {0x08,0x08,0x2A,0x1C,0x08}, {0x08,0x1C,0x2A,0x08,0x08}, {0x1E,0x10,0x10,0x10,0x10}, {0x0C,0x1E,0x0C,0x1E,0x0C}, {0x30,0x38,0x3E,0x38,0x30}, {0x06,0x0E,0x3E,0x0E,0x06}, {0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x5F,0x00,0x00}, {0x00,0x07,0x00,0x07,0x00}, {0x14,0x7F,0x14,0x7F,0x14}, {0x24,0x2A,0x7F,0x2A,0x12}, {0x23,0x13,0x08,0x64,0x62}, {0x36,0x49,0x56,0x20,0x50}, {0x00,0x08,0x07,0x03,0x00}, {0x00,0x1C,0x22,0x41,0x00}, {0x00,0x41,0x22,0x1C,0x00}, {0x2A,0x1C,0x7F,0x1C,0x2A}, {0x08,0x08,0x3E,0x08,0x08}, {0x00,0x80,0x70,0x30,0x00}, {0x08,0x08,0x08,0x08,0x08}, {0x00,0x00,0x60,0x60,0x00}, {0x20,0x10,0x08,0x04,0x02}, {0x3E,0x51,0x49,0x45,0x3E}, {0x00,0x42,0x7F,0x40,0x00}, {0x72,0x49,0x49,0x49,0x46}, {0x21,0x41,0x49,0x4D,0x33}, {0x18,0x14,0x12,0x7F,0x10}, {0x27,0x45,0x45,0x45,0x39}, {0x3C,0x4A,0x49,0x49,0x31}, {0x41,0x21,0x11,0x09,0x07}, {0x36,0x49,0x49,0x49,0x36}, {0x46,0x49,0x49,0x29,0x1E}, {0x00,0x00,0x14,0x00,0x00}, {0x00,0x40,0x34,0x00,0x00}, {0x00,0x08,0x14,0x22,0x41}, {0x14,0x14,0x14,0x14,0x14}, {0x00,0x41,0x22,0x14,0x08}, {0x02,0x01,0x59,0x09,0x06}, {0x3E,0x41,0x5D,0x59,0x4E}, {0x7C,0x12,0x11,0x12,0x7C}, {0x7F,0x49,0x49,0x49,0x36}, {0x3E,0x41,0x41,0x41,0x22}, {0x7F,0x41,0x41,0x41,0x3E}, {0x7F,0x49,0x49,0x49,0x41}, {0x7F,0x09,0x09,0x09,0x01}, {0x3E,0x41,0x41,0x51,0x73}, {0x7F,0x08,0x08,0x08,0x7F}, {0x00,0x41,0x7F,0x41,0x00}, {0x20,0x40,0x41,0x3F,0x01}, {0x7F,0x08,0x14,0x22,0x41}, {0x7F,0x40,0x40,0x40,0x40}, {0x7F,0x02,0x1C,0x02,0x7F}, {0x7F,0x04,0x08,0x10,0x7F}, {0x3E,0x41,0x41,0x41,0x3E}, {0x7F,0x09,0x09,0x09,0x06}, {0x3E,0x41,0x51,0x21,0x5E}, {0x7F,0x09,0x19,0x29,0x46}, {0x26,0x49,0x49,0x49,0x32}, {0x03,0x01,0x7F,0x01,0x03}, {0x3F,0x40,0x40,0x40,0x3F}, {0x1F,0x20,0x40,0x20,0x1F}, {0x3F,0x40,0x38,0x40,0x3F}, {0x63,0x14,0x08,0x14,0x63}, {0x03,0x04,0x78,0x04,0x03}, {0x61,0x59,0x49,0x4D,0x43}, {0x00,0x7F,0x41,0x41,0x41}, {0x02,0x04,0x08,0x10,0x20}, {0x00,0x41,0x41,0x41,0x7F}, {0x04,0x02,0x01,0x02,0x04}, {0x40,0x40,0x40,0x40,0x40}, {0x00,0x03,0x07,0x08,0x00}, {0x20,0x54,0x54,0x78,0x40}, {0x7F,0x28,0x44,0x44,0x38}, {0x38,0x44,0x44,0x44,0x28}, {0x38,0x44,0x44,0x28,0x7F}, {0x38,0x54,0x54,0x54,0x18}, {0x00,0x08,0x7E,0x09,0x02}, {0x18,0xA4,0xA4,0x9C,0x78}, {0x7F,0x08,0x04,0x04,0x78}, {0x00,0x44,0x7D,0x40,0x00}, {0x20,0x40,0x40,0x3D,0x00}, {0x7F,0x10,0x28,0x44,0x00}, {0x00,0x41,0x7F,0x40,0x00}, {0x7C,0x04,0x78,0x04,0x78}, {0x7C,0x08,0x04,0x04,0x78}, {0x38,0x44,0x44,0x44,0x38}, {0xFC,0x18,0x24,0x24,0x18}, {0x18,0x24,0x24,0x18,0xFC}, {0x7C,0x08,0x04,0x04,0x08}, {0x48,0x54,0x54,0x54,0x24}, {0x04,0x04,0x3F,0x44,0x24}, {0x3C,0x40,0x40,0x20,0x7C}, {0x1C,0x20,0x40,0x20,0x1C}, {0x3C,0x40,0x30,0x40,0x3C}, {0x44,0x28,0x10,0x28,0x44}, {0x4C,0x90,0x90,0x90,0x7C}, {0x44,0x64,0x54,0x4C,0x44}, {0x00,0x08,0x36,0x41,0x00}, {0x00,0x00,0x77,0x00,0x00}, {0x00,0x41,0x36,0x08,0x00}, {0x02,0x01,0x02,0x04,0x02}, {0x3C,0x26,0x23,0x26,0x3C}, {0x1E,0xA1,0xA1,0x61,0x12}, {0x3A,0x40,0x40,0x20,0x7A}, {0x38,0x54,0x54,0x55,0x59}, {0x21,0x55,0x55,0x79,0x41}, {0x21,0x54,0x54,0x78,0x41}, {0x21,0x55,0x54,0x78,0x40}, {0x20,0x54,0x55,0x79,0x40}, {0x0C,0x1E,0x52,0x72,0x12}, {0x39,0x55,0x55,0x55,0x59}, {0x39,0x54,0x54,0x54,0x59}, {0x39,0x55,0x54,0x54,0x58}, {0x00,0x00,0x45,0x7C,0x41}, {0x00,0x02,0x45,0x7D,0x42}, {0x00,0x01,0x45,0x7C,0x40}, {0xF0,0x29,0x24,0x29,0xF0}, {0xF0,0x28,0x25,0x28,0xF0}, {0x7C,0x54,0x55,0x45,0x00}, {0x20,0x54,0x54,0x7C,0x54}, {0x7C,0x0A,0x09,0x7F,0x49}, {0x32,0x49,0x49,0x49,0x32}, {0x32,0x48,0x48,0x48,0x32}, {0x32,0x4A,0x48,0x48,0x30}, {0x3A,0x41,0x41,0x21,0x7A}, {0x3A,0x42,0x40,0x20,0x78}, {0x00,0x9D,0xA0,0xA0,0x7D}, {0x39,0x44,0x44,0x44,0x39}, {0x3D,0x40,0x40,0x40,0x3D}, {0x3C,0x24,0xFF,0x24,0x24}, {0x48,0x7E,0x49,0x43,0x66}, {0x2B,0x2F,0xFC,0x2F,0x2B}, {0xFF,0x09,0x29,0xF6,0x20}, {0xC0,0x88,0x7E,0x09,0x03}, {0x20,0x54,0x54,0x79,0x41}, {0x00,0x00,0x44,0x7D,0x41}, {0x30,0x48,0x48,0x4A,0x32}, {0x38,0x40,0x40,0x22,0x7A}, {0x00,0x7A,0x0A,0x0A,0x72}, {0x7D,0x0D,0x19,0x31,0x7D}, {0x26,0x29,0x29,0x2F,0x28}, {0x26,0x29,0x29,0x29,0x26}, {0x30,0x48,0x4D,0x40,0x20}, {0x38,0x08,0x08,0x08,0x08}, {0x08,0x08,0x08,0x08,0x38}, {0x2F,0x10,0xC8,0xAC,0xBA}, {0x2F,0x10,0x28,0x34,0xFA}, {0x00,0x00,0x7B,0x00,0x00}, {0x08,0x14,0x2A,0x14,0x22}, {0x22,0x14,0x2A,0x14,0x08}, {0xAA,0x00,0x55,0x00,0xAA}, {0xAA,0x55,0xAA,0x55,0xAA}, {0x00,0x00,0x00,0xFF,0x00}, {0x10,0x10,0x10,0xFF,0x00}, {0x14,0x14,0x14,0xFF,0x00}, {0x10,0x10,0xFF,0x00,0xFF}, {0x10,0x10,0xF0,0x10,0xF0}, {0x14,0x14,0x14,0xFC,0x00}, {0x14,0x14,0xF7,0x00,0xFF}, {0x00,0x00,0xFF,0x00,0xFF}, {0x14,0x14,0xF4,0x04,0xFC}, {0x14,0x14,0x17,0x10,0x1F}, {0x10,0x10,0x1F,0x10,0x1F}, {0x14,0x14,0x14,0x1F,0x00}, {0x10,0x10,0x10,0xF0,0x00}, {0x00,0x00,0x00,0x1F,0x10}, {0x10,0x10,0x10,0x1F,0x10}, {0x10,0x10,0x10,0xF0,0x10}, {0x00,0x00,0x00,0xFF,0x10}, {0x10,0x10,0x10,0x10,0x10}, {0x10,0x10,0x10,0xFF,0x10}, {0x00,0x00,0x00,0xFF,0x14}, {0x00,0x00,0xFF,0x00,0xFF}, {0x00,0x00,0x1F,0x10,0x17}, {0x00,0x00,0xFC,0x04,0xF4}, {0x14,0x14,0x17,0x10,0x17}, {0x14,0x14,0xF4,0x04,0xF4}, {0x00,0x00,0xFF,0x00,0xF7}, {0x14,0x14,0x14,0x14,0x14}, {0x14,0x14,0xF7,0x00,0xF7}, {0x14,0x14,0x14,0x17,0x14}, {0x10,0x10,0x1F,0x10,0x1F}, {0x14,0x14,0x14,0xF4,0x14}, {0x10,0x10,0xF0,0x10,0xF0}, {0x00,0x00,0x1F,0x10,0x1F}, {0x00,0x00,0x00,0x1F,0x14}, {0x00,0x00,0x00,0xFC,0x14}, {0x00,0x00,0xF0,0x10,0xF0}, {0x10,0x10,0xFF,0x10,0xFF}, {0x14,0x14,0x14,0xFF,0x14}, {0x10,0x10,0x10,0x1F,0x00}, {0x00,0x00,0x00,0xF0,0x10}, {0xFF,0xFF,0xFF,0xFF,0xFF}, {0xF0,0xF0,0xF0,0xF0,0xF0}, {0xFF,0xFF,0xFF,0x00,0x00}, {0x00,0x00,0x00,0xFF,0xFF}, {0x0F,0x0F,0x0F,0x0F,0x0F}, {0x38,0x44,0x44,0x38,0x44}, {0x7C,0x2A,0x2A,0x3E,0x14}, {0x7E,0x02,0x02,0x06,0x06}, {0x02,0x7E,0x02,0x7E,0x02}, {0x63,0x55,0x49,0x41,0x63}, {0x38,0x44,0x44,0x3C,0x04}, {0x40,0x7E,0x20,0x1E,0x20}, {0x06,0x02,0x7E,0x02,0x02}, {0x99,0xA5,0xE7,0xA5,0x99}, {0x1C,0x2A,0x49,0x2A,0x1C}, {0x4C,0x72,0x01,0x72,0x4C}, {0x30,0x4A,0x4D,0x4D,0x30}, {0x30,0x48,0x78,0x48,0x30}, {0xBC,0x62,0x5A,0x46,0x3D}, {0x3E,0x49,0x49,0x49,0x00}, {0x7E,0x01,0x01,0x01,0x7E}, {0x2A,0x2A,0x2A,0x2A,0x2A}, {0x44,0x44,0x5F,0x44,0x44}, {0x40,0x51,0x4A,0x44,0x40}, {0x40,0x44,0x4A,0x51,0x40}, {0x00,0x00,0xFF,0x01,0x03}, {0xE0,0x80,0xFF,0x00,0x00}, {0x08,0x08,0x6B,0x6B,0x08}, {0x36,0x12,0x36,0x24,0x36}, {0x06,0x0F,0x09,0x0F,0x06}, {0x00,0x00,0x18,0x18,0x00}, {0x00,0x00,0x10,0x10,0x00}, {0x30,0x40,0xFF,0x01,0x01}, {0x00,0x1F,0x01,0x01,0x1E}, {0x00,0x19,0x1D,0x17,0x12}, {0x00,0x3C,0x3C,0x3C,0x3C}, {0x00,0x00,0x00,0x00,0x00}}; /** * Representation of a 128x64 pixels, SSD1306 compatibel OLED display */ class OLED { static const uint8_t chipAdress = 0x78; static const uint8_t xOffset = 0; static const uint8_t yOffset = 0; const uint8_t printf_textSize=0x3f; char printf_text[0x40]; unsigned char textArea[22][9]; uint8_t charX; uint8_t charY; uint8_t displayWidth; uint8_t displayHeight; uint16_t screenSize; bool loadStarted; float loadPercent; bool pendingNewline; MicroBitI2C i2c; void init(uint8_t width, uint8_t height); void command(uint8_t cmd); void setTextArea(uint8_t chr, bool setLine8); public: /** * ssd1306 compatible device of 128x64 pixels OLED display. * Init() must be called after construction. * Works for some untraced circumstances not in fibers */ OLED(); /** * Initialisere display and clears it. A buffer representing charaters are * filled with space characters */ void init(); /** * Clears the display */ void clear(); /** * Makes a newline by incrementing charY and assigning xOffset to charX \n * if charY becomes 8 the display screen is scrolled one line and charY \n * is decremented to 7. pendingNewline=false is done at last. * pendingNewline=false is done at last. */ void newLine(); /** * Put a char on display. The font used displays characters in 6x8 pixels * area (6 horizontal). The font does actual contain 5 colums - the six'd * makes charcters seperation. Character values 0, 0x20, and 0xff are * are bitpatterns with all null pixels (like space) * * @param x horizontal pixelwise position, range [0,displayWidth - 6] * @param y vertical position, range [0,7] * @param character to put on display */ void drawChar(uint8_t x, uint8_t y, uint8_t chr ); /** * Writes a string at charX, charY position. Afterwards are \n * charX, charY set to the next starting point for writting to display \n * \\n and \\r is processed - \\n includes \\r functionality. \n * * @param str to be displayed at (charX, charY). */ void puts(string str); /** * printf - the old classic. \\n and \\r is processed. \n * \\n includes \\r functionality. \n * This function is the main reason to that OLED not works in fibers. \n */ uint8_t printf(const char * frmt, ...); /** * Scroll display one line up. An empty line will arise at bottom. */ void scroll(); }; #endif