Théo Germain
A class for managing SSD1306 controlled LCD´s (cheap 128x64 models, 0.96'') with more scroll features
ssd1306.cpp
- Committer:
- rodriguj
- Date:
- 2017-10-25
- Revision:
- 0:3d84b3bfb794
- Child:
- 1:c5cf4ca5939f
File content as of revision 0:3d84b3bfb794:
#include "ssd1306.h"
#include "mbed.h"
static const char charset[2048] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7E, 0x81,
0x95, 0xB1, 0xB1, 0x95, 0x81, 0x7E, 0x7E, 0xFF, 0xEB, 0xCF,
0xCF, 0xEB, 0xFF, 0x7E, 0x0E, 0x1F, 0x3F, 0x7E, 0x3F, 0x1F,
0x0E, 0x00, 0x08, 0x1C, 0x3E, 0x7F, 0x3E, 0x1C, 0x08, 0x00,
0x38, 0x3A, 0x9F, 0xFF, 0x9F, 0x3A, 0x38, 0x00, 0x18, 0x3C,
0xBE, 0xFF, 0xBE, 0x3C, 0x18, 0x00, 0x00, 0x00, 0x18, 0x3C,
0x3C, 0x18, 0x00, 0x00, 0xFF, 0xFF, 0xE7, 0xC3, 0xC3, 0xE7,
0xFF, 0xFF, 0x00, 0x3C, 0x66, 0x42, 0x42, 0x66, 0x3C, 0x00,
0xFF, 0xC3, 0x99, 0xBD, 0xBD, 0x99, 0xC3, 0xFF, 0x70, 0xF8,
0x88, 0x88, 0xFD, 0x7F, 0x07, 0x0F, 0x00, 0x4E, 0x5F, 0xF1,
0xF1, 0x5F, 0x4E, 0x00, 0xC0, 0xE0, 0xFF, 0x7F, 0x05, 0x05,
0x07, 0x07, 0xC0, 0xFF, 0x7F, 0x05, 0x05, 0x65, 0x7F, 0x3F,
0x5A, 0x5A, 0x3C, 0xE7, 0xE7, 0x3C, 0x5A, 0x5A, 0x7F, 0x3E,
0x3E, 0x1C, 0x1C, 0x08, 0x08, 0x00, 0x08, 0x08, 0x1C, 0x1C,
0x3E, 0x3E, 0x7F, 0x00, 0x00, 0x24, 0x66, 0xFF, 0xFF, 0x66,
0x24, 0x00, 0x00, 0x5F, 0x5F, 0x00, 0x00, 0x5F, 0x5F, 0x00,
0x06, 0x0F, 0x09, 0x7F, 0x7F, 0x01, 0x7F, 0x7F, 0x40, 0x9A,
0xBF, 0xA5, 0xA5, 0xFD, 0x59, 0x02, 0x00, 0x70, 0x70, 0x70,
0x70, 0x70, 0x70, 0x00, 0x80, 0x94, 0xB6, 0xFF, 0xFF, 0xB6,
0x94, 0x80, 0x00, 0x04, 0x06, 0x7F, 0x7F, 0x06, 0x04, 0x00,
0x00, 0x10, 0x30, 0x7F, 0x7F, 0x30, 0x10, 0x00, 0x08, 0x08,
0x08, 0x2A, 0x3E, 0x1C, 0x08, 0x00, 0x08, 0x1C, 0x3E, 0x2A,
0x08, 0x08, 0x08, 0x00, 0x3C, 0x3C, 0x20, 0x20, 0x20, 0x20,
0x20, 0x00, 0x08, 0x1C, 0x3E, 0x08, 0x08, 0x3E, 0x1C, 0x08,
0x30, 0x38, 0x3C, 0x3E, 0x3E, 0x3C, 0x38, 0x30, 0x06, 0x0E,
0x1E, 0x3E, 0x3E, 0x1E, 0x0E, 0x06, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x5F, 0x5F, 0x06,
0x00, 0x00, 0x00, 0x03, 0x07, 0x00, 0x00, 0x07, 0x03, 0x00,
0x14, 0x7F, 0x7F, 0x14, 0x7F, 0x7F, 0x14, 0x00, 0x00, 0x24,
0x2E, 0x6B, 0x6B, 0x3A, 0x12, 0x00, 0x46, 0x66, 0x30, 0x18,
0x0C, 0x66, 0x62, 0x00, 0x30, 0x7A, 0x4F, 0x5D, 0x37, 0x7A,
0x48, 0x00, 0x00, 0x00, 0x04, 0x07, 0x03, 0x00, 0x00, 0x00,
0x00, 0x00, 0x1C, 0x3E, 0x63, 0x41, 0x00, 0x00, 0x00, 0x00,
0x41, 0x63, 0x3E, 0x1C, 0x00, 0x00, 0x08, 0x2A, 0x3E, 0x1C,
0x1C, 0x3E, 0x2A, 0x08, 0x00, 0x08, 0x08, 0x3E, 0x3E, 0x08,
0x08, 0x00, 0x00, 0x00, 0x80, 0xE0, 0x60, 0x00, 0x00, 0x00,
0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00,
0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x0C,
0x06, 0x03, 0x01, 0x00, 0x1C, 0x3E, 0x63, 0x49, 0x63, 0x3E,
0x1C, 0x00, 0x00, 0x40, 0x42, 0x7F, 0x7F, 0x40, 0x40, 0x00,
0x42, 0x63, 0x71, 0x59, 0x49, 0x6F, 0x66, 0x00, 0x22, 0x63,
0x49, 0x49, 0x49, 0x7F, 0x36, 0x00, 0x18, 0x1C, 0x16, 0x53,
0x7F, 0x7F, 0x50, 0x00, 0x2F, 0x6F, 0x49, 0x49, 0x49, 0x79,
0x31, 0x00, 0x3C, 0x7E, 0x4B, 0x49, 0x49, 0x78, 0x30, 0x00,
0x03, 0x03, 0x71, 0x79, 0x0D, 0x07, 0x03, 0x00, 0x36, 0x7F,
0x49, 0x49, 0x49, 0x7F, 0x36, 0x00, 0x06, 0x4F, 0x49, 0x49,
0x69, 0x3F, 0x1E, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x00,
0x00, 0x00, 0x00, 0x00, 0x80, 0xE6, 0x66, 0x00, 0x00, 0x00,
0x00, 0x00, 0x08, 0x1C, 0x36, 0x63, 0x41, 0x00, 0x00, 0x24,
0x24, 0x24, 0x24, 0x24, 0x24, 0x00, 0x00, 0x41, 0x63, 0x36,
0x1C, 0x08, 0x00, 0x00, 0x02, 0x03, 0x01, 0x59, 0x5D, 0x07,
0x02, 0x00, 0x3E, 0x7F, 0x41, 0x5D, 0x5D, 0x1F, 0x1E, 0x00,
0x7C, 0x7E, 0x0B, 0x09, 0x0B, 0x7E, 0x7C, 0x00, 0x41, 0x7F,
0x7F, 0x49, 0x49, 0x7F, 0x36, 0x00, 0x1C, 0x3E, 0x63, 0x41,
0x41, 0x63, 0x22, 0x00, 0x41, 0x7F, 0x7F, 0x41, 0x63, 0x3E,
0x1C, 0x00, 0x41, 0x7F, 0x7F, 0x49, 0x5D, 0x41, 0x63, 0x00,
0x41, 0x7F, 0x7F, 0x49, 0x1D, 0x01, 0x03, 0x00, 0x1C, 0x3E,
0x63, 0x41, 0x51, 0x33, 0x72, 0x00, 0x7F, 0x7F, 0x08, 0x08,
0x08, 0x7F, 0x7F, 0x00, 0x00, 0x00, 0x41, 0x7F, 0x7F, 0x41,
0x00, 0x00, 0x30, 0x70, 0x40, 0x41, 0x7F, 0x3F, 0x01, 0x00,
0x41, 0x7F, 0x7F, 0x08, 0x1C, 0x77, 0x63, 0x00, 0x41, 0x7F,
0x7F, 0x41, 0x40, 0x60, 0x70, 0x00, 0x7F, 0x7F, 0x0E, 0x1C,
0x0E, 0x7F, 0x7F, 0x00, 0x7F, 0x7F, 0x06, 0x0C, 0x18, 0x7F,
0x7F, 0x00, 0x3E, 0x7F, 0x41, 0x41, 0x41, 0x7F, 0x3E, 0x00,
0x41, 0x7F, 0x7F, 0x49, 0x09, 0x0F, 0x06, 0x00, 0x3E, 0x7F,
0x41, 0x41, 0xE1, 0xFF, 0xBE, 0x00, 0x41, 0x7F, 0x7F, 0x09,
0x19, 0x7F, 0x66, 0x00, 0x00, 0x22, 0x67, 0x4D, 0x59, 0x73,
0x22, 0x00, 0x00, 0x07, 0x43, 0x7F, 0x7F, 0x43, 0x07, 0x00,
0x3F, 0x7F, 0x40, 0x40, 0x40, 0x7F, 0x3F, 0x00, 0x1F, 0x3F,
0x60, 0x40, 0x60, 0x3F, 0x1F, 0x00, 0x3F, 0x7F, 0x60, 0x38,
0x60, 0x7F, 0x3F, 0x00, 0x63, 0x77, 0x1C, 0x08, 0x1C, 0x77,
0x63, 0x00, 0x00, 0x07, 0x4F, 0x78, 0x78, 0x4F, 0x07, 0x00,
0x47, 0x63, 0x71, 0x59, 0x4D, 0x67, 0x73, 0x00, 0x00, 0x00,
0x7F, 0x7F, 0x41, 0x41, 0x00, 0x00, 0x01, 0x03, 0x06, 0x0C,
0x18, 0x30, 0x60, 0x00, 0x00, 0x00, 0x41, 0x41, 0x7F, 0x7F,
0x00, 0x00, 0x08, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x08, 0x00,
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00,
0x01, 0x03, 0x06, 0x04, 0x00, 0x00, 0x20, 0x74, 0x54, 0x54,
0x3C, 0x78, 0x40, 0x00, 0x41, 0x7F, 0x3F, 0x44, 0x44, 0x7C,
0x38, 0x00, 0x38, 0x7C, 0x44, 0x44, 0x44, 0x6C, 0x28, 0x00,
0x38, 0x7C, 0x44, 0x45, 0x3F, 0x7F, 0x40, 0x00, 0x38, 0x7C,
0x54, 0x54, 0x54, 0x5C, 0x18, 0x00, 0x48, 0x7E, 0x7F, 0x49,
0x09, 0x03, 0x02, 0x00, 0x98, 0xBC, 0xA4, 0xA4, 0xF8, 0x7C,
0x04, 0x00, 0x41, 0x7F, 0x7F, 0x08, 0x04, 0x7C, 0x78, 0x00,
0x00, 0x00, 0x44, 0x7D, 0x7D, 0x40, 0x00, 0x00, 0x00, 0x60,
0xE0, 0x80, 0x80, 0xFD, 0x7D, 0x00, 0x41, 0x7F, 0x7F, 0x10,
0x38, 0x6C, 0x44, 0x00, 0x00, 0x00, 0x41, 0x7F, 0x7F, 0x40,
0x00, 0x00, 0x7C, 0x7C, 0x0C, 0x78, 0x0C, 0x7C, 0x78, 0x00,
0x04, 0x7C, 0x78, 0x04, 0x04, 0x7C, 0x78, 0x00, 0x38, 0x7C,
0x44, 0x44, 0x44, 0x7C, 0x38, 0x00, 0x84, 0xFC, 0xF8, 0xA4,
0x24, 0x3C, 0x18, 0x00, 0x18, 0x3C, 0x24, 0xA4, 0xF8, 0xFC,
0x84, 0x00, 0x44, 0x7C, 0x78, 0x4C, 0x04, 0x0C, 0x08, 0x00,
0x48, 0x5C, 0x54, 0x54, 0x54, 0x74, 0x24, 0x00, 0x04, 0x04,
0x3F, 0x7F, 0x44, 0x64, 0x20, 0x00, 0x3C, 0x7C, 0x40, 0x40,
0x3C, 0x7C, 0x40, 0x00, 0x1C, 0x3C, 0x60, 0x40, 0x60, 0x3C,
0x1C, 0x00, 0x3C, 0x7C, 0x60, 0x38, 0x60, 0x7C, 0x3C, 0x00,
0x44, 0x6C, 0x38, 0x10, 0x38, 0x6C, 0x44, 0x00, 0x9C, 0xBC,
0xA0, 0xA0, 0xA0, 0xFC, 0x7C, 0x00, 0x00, 0x4C, 0x64, 0x74,
0x5C, 0x4C, 0x64, 0x00, 0x00, 0x08, 0x08, 0x3E, 0x77, 0x41,
0x41, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x7F, 0x00, 0x00, 0x00,
0x00, 0x41, 0x41, 0x77, 0x3E, 0x08, 0x08, 0x00, 0x02, 0x03,
0x01, 0x03, 0x02, 0x03, 0x01, 0x00, 0x70, 0x78, 0x4C, 0x46,
0x4C, 0x78, 0x70, 0x00, 0x1E, 0xBF, 0xA1, 0xA1, 0xE1, 0x73,
0x12, 0x00, 0x3D, 0x7D, 0x40, 0x40, 0x3D, 0x7D, 0x40, 0x00,
0x38, 0x7C, 0x54, 0x56, 0x57, 0x5D, 0x18, 0x00, 0x22, 0x75,
0x55, 0x55, 0x3D, 0x79, 0x42, 0x00, 0x21, 0x75, 0x54, 0x54,
0x3C, 0x79, 0x41, 0x00, 0x20, 0x74, 0x55, 0x57, 0x3E, 0x78,
0x40, 0x00, 0x20, 0x74, 0x57, 0x57, 0x3C, 0x78, 0x40, 0x00,
0x18, 0x3C, 0xA4, 0xA4, 0xE4, 0x64, 0x24, 0x00, 0x3A, 0x7D,
0x55, 0x55, 0x55, 0x5D, 0x1A, 0x00, 0x39, 0x7D, 0x54, 0x54,
0x54, 0x5D, 0x19, 0x00, 0x38, 0x7C, 0x55, 0x57, 0x56, 0x5C,
0x18, 0x00, 0x00, 0x01, 0x45, 0x7C, 0x7C, 0x41, 0x01, 0x00,
0x02, 0x01, 0x45, 0x7D, 0x7D, 0x41, 0x02, 0x00, 0x00, 0x00,
0x49, 0x7B, 0x7A, 0x40, 0x00, 0x00, 0x79, 0x7D, 0x16, 0x12,
0x16, 0x7D, 0x79, 0x00, 0x78, 0x7E, 0x17, 0x15, 0x17, 0x7E,
0x78, 0x00, 0x7C, 0x7C, 0x56, 0x57, 0x55, 0x44, 0x44, 0x00,
0x20, 0x74, 0x54, 0x7C, 0x7C, 0x54, 0x54, 0x00, 0x7C, 0x7E,
0x0B, 0x09, 0x7F, 0x7F, 0x49, 0x00, 0x3A, 0x7D, 0x45, 0x45,
0x45, 0x7D, 0x3A, 0x00, 0x39, 0x7D, 0x44, 0x44, 0x44, 0x7D,
0x39, 0x00, 0x38, 0x7C, 0x45, 0x47, 0x46, 0x7C, 0x38, 0x00,
0x3A, 0x79, 0x41, 0x41, 0x39, 0x7A, 0x40, 0x00, 0x3C, 0x7D,
0x43, 0x42, 0x3C, 0x7C, 0x40, 0x00, 0x9D, 0xBD, 0xA0, 0xA0,
0xA0, 0xFD, 0x7D, 0x00, 0x19, 0x3D, 0x66, 0x42, 0x66, 0x3D,
0x19, 0x00, 0x3D, 0x7D, 0x40, 0x40, 0x40, 0x7D, 0x3D, 0x00,
0x18, 0x3C, 0x24, 0xE7, 0xE7, 0x24, 0x24, 0x00, 0x48, 0x7E,
0x7F, 0x49, 0x43, 0x66, 0x20, 0x00, 0x00, 0x2B, 0x2F, 0xFC,
0xFC, 0x2F, 0x2B, 0x00, 0xFF, 0xFF, 0x09, 0x09, 0x2F, 0xF6,
0xF8, 0xA0, 0x20, 0x60, 0x48, 0x7E, 0x3F, 0x09, 0x03, 0x02,
0x20, 0x74, 0x56, 0x57, 0x3D, 0x78, 0x40, 0x00, 0x00, 0x00,
0x48, 0x7A, 0x7B, 0x41, 0x00, 0x00, 0x38, 0x7C, 0x44, 0x46,
0x47, 0x7D, 0x38, 0x00, 0x3C, 0x7C, 0x42, 0x43, 0x3D, 0x7C,
0x40, 0x00, 0x0A, 0x7B, 0x71, 0x0B, 0x0A, 0x7B, 0x71, 0x00,
0x7A, 0x7B, 0x19, 0x33, 0x62, 0x7B, 0x79, 0x00, 0x00, 0x26,
0x2F, 0x29, 0x2F, 0x2F, 0x28, 0x00, 0x00, 0x26, 0x2F, 0x29,
0x2F, 0x26, 0x00, 0x00, 0x00, 0x20, 0x70, 0x5D, 0x4D, 0x40,
0x60, 0x20, 0x38, 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00,
0x08, 0x08, 0x08, 0x08, 0x08, 0x38, 0x38, 0x00, 0x42, 0x6F,
0x3F, 0x18, 0xCC, 0xEE, 0xBB, 0x91, 0x42, 0x6F, 0x3F, 0x58,
0x6C, 0xD6, 0xFB, 0x41, 0x00, 0x00, 0x30, 0x7D, 0x7D, 0x30,
0x00, 0x00, 0x08, 0x1C, 0x36, 0x22, 0x08, 0x1C, 0x36, 0x22,
0x22, 0x36, 0x1C, 0x08, 0x22, 0x36, 0x1C, 0x08, 0xAA, 0x00,
0x55, 0x00, 0xAA, 0x00, 0x55, 0x00, 0xAA, 0x55, 0xAA, 0x55,
0xAA, 0x55, 0xAA, 0x55, 0xAA, 0xFF, 0x55, 0xFF, 0xAA, 0xFF,
0x55, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
0x10, 0x10, 0x10, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x14, 0x14,
0x14, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x10, 0x10, 0xFF, 0xFF,
0x00, 0xFF, 0xFF, 0x00, 0x10, 0x10, 0xF0, 0xF0, 0x10, 0xF0,
0xF0, 0x00, 0x14, 0x14, 0x14, 0xFC, 0xFC, 0x00, 0x00, 0x00,
0x14, 0x14, 0xF7, 0xF7, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x14, 0x14, 0xF4, 0xF4,
0x04, 0xFC, 0xFC, 0x00, 0x14, 0x14, 0x17, 0x17, 0x10, 0x1F,
0x1F, 0x00, 0x10, 0x10, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x00,
0x14, 0x14, 0x14, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x10, 0x10,
0x10, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F,
0x1F, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x1F, 0x1F, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10, 0xF0, 0xF0, 0x10, 0x10, 0x10,
0x00, 0x00, 0x00, 0xFF, 0xFF, 0x10, 0x10, 0x10, 0x10, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0xFF,
0xFF, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x14,
0x14, 0x14, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x10,
0x00, 0x00, 0x1F, 0x1F, 0x10, 0x17, 0x17, 0x14, 0x00, 0x00,
0xFC, 0xFC, 0x04, 0xF4, 0xF4, 0x14, 0x14, 0x14, 0x17, 0x17,
0x10, 0x17, 0x17, 0x14, 0x14, 0x14, 0xF4, 0xF4, 0x04, 0xF4,
0xF4, 0x14, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xF7, 0xF7, 0x14,
0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14,
0xF7, 0xF7, 0x00, 0xF7, 0xF7, 0x14, 0x14, 0x14, 0x14, 0x17,
0x17, 0x14, 0x14, 0x14, 0x10, 0x10, 0x1F, 0x1F, 0x10, 0x1F,
0x1F, 0x10, 0x14, 0x14, 0x14, 0xF4, 0xF4, 0x14, 0x14, 0x14,
0x10, 0x10, 0xF0, 0xF0, 0x10, 0xF0, 0xF0, 0x10, 0x00, 0x00,
0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x10, 0x00, 0x00, 0x00, 0x1F,
0x1F, 0x14, 0x14, 0x14, 0x00, 0x00, 0x00, 0xFC, 0xFC, 0x14,
0x14, 0x14, 0x00, 0x00, 0xF0, 0xF0, 0x10, 0xF0, 0xF0, 0x10,
0x10, 0x10, 0xFF, 0xFF, 0x10, 0xFF, 0xFF, 0x10, 0x14, 0x14,
0x14, 0xFF, 0xFF, 0x14, 0x14, 0x14, 0x10, 0x10, 0x10, 0x1F,
0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x10,
0x10, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xFF, 0xFF,
0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
0x0F, 0x0F, 0x38, 0x7C, 0x44, 0x6C, 0x38, 0x6C, 0x44, 0x00,
0x7E, 0x7F, 0x01, 0x09, 0x5F, 0x76, 0x20, 0x00, 0x7F, 0x7F,
0x01, 0x01, 0x01, 0x03, 0x03, 0x00, 0x04, 0x7C, 0x7C, 0x04,
0x7C, 0x7C, 0x04, 0x00, 0x63, 0x77, 0x5D, 0x49, 0x41, 0x63,
0x63, 0x00, 0x38, 0x7C, 0x44, 0x7C, 0x3C, 0x04, 0x04, 0x00,
0x80, 0xFC, 0x7C, 0x40, 0x40, 0x7C, 0x3C, 0x00, 0x04, 0x06,
0x02, 0x7E, 0x7C, 0x06, 0x02, 0x00, 0x00, 0x99, 0xBD, 0xE7,
0xE7, 0xBD, 0x99, 0x00, 0x1C, 0x3E, 0x6B, 0x49, 0x6B, 0x3E,
0x1C, 0x00, 0x4C, 0x7E, 0x73, 0x01, 0x73, 0x7E, 0x4C, 0x00,
0x00, 0x30, 0x78, 0x4A, 0x4F, 0x7D, 0x39, 0x00, 0x18, 0x3C,
0x24, 0x3C, 0x3C, 0x24, 0x3C, 0x18, 0x98, 0xFC, 0x64, 0x3C,
0x3E, 0x27, 0x3D, 0x18, 0x00, 0x1C, 0x3E, 0x6B, 0x49, 0x49,
0x49, 0x00, 0x7C, 0x7E, 0x02, 0x02, 0x02, 0x7E, 0x7C, 0x00,
0x2A, 0x2A, 0x2A, 0x2A, 0x2A, 0x2A, 0x2A, 0x00, 0x00, 0x44,
0x44, 0x5F, 0x5F, 0x44, 0x44, 0x00, 0x00, 0x40, 0x51, 0x5B,
0x4E, 0x44, 0x40, 0x00, 0x00, 0x40, 0x44, 0x4E, 0x5B, 0x51,
0x40, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0x01, 0x07, 0x06,
0x60, 0xE0, 0x80, 0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x08,
0x08, 0x2A, 0x2A, 0x08, 0x08, 0x00, 0x24, 0x36, 0x12, 0x36,
0x24, 0x36, 0x12, 0x00, 0x00, 0x06, 0x0F, 0x09, 0x0F, 0x06,
0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x08, 0x08, 0x00, 0x00, 0x00, 0x10, 0x30,
0x70, 0xC0, 0xFF, 0xFF, 0x01, 0x01, 0x00, 0x01, 0x1F, 0x1E,
0x01, 0x1F, 0x1E, 0x00, 0x00, 0x11, 0x19, 0x1D, 0x17, 0x12,
0x00, 0x00, 0x00, 0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
SSD1306::SSD1306 (PinName sda, PinName scl)
{
idxfb = 0;
fb = new char[1024];
if (!fb)
{
printf ("SSD1306: Framebuffer allocation failed!\r\n");
for (;;) { }
}
bus = new I2C (sda, scl);
ssd1306_i2c_addr = scan();
if (ssd1306_i2c_addr != 0x78 && ssd1306_i2c_addr != 0x7A)
{
printf ("SSD1306: slave not found!. ");
if (ssd1306_i2c_addr != 0)
printf ("Found I2C slave at 0x%02.2X\r\n", ssd1306_i2c_addr);
else
printf ("\r\n");
for (;;) { }
}
#ifdef SSD1306_DEBUG
printf ("SSD1306 debug: fb = 0x%08.8X\r\n", fb);
printf ("SSD1306 debug: I2C addr = 0x%02.2X\r\n", ssd1306_i2c_addr);
#endif
}
void SSD1306::speed (I2CSpeed spd)
{
switch (spd)
{
case I2CSpeed::Low: bus->frequency(100000); break;
case I2CSpeed::Medium: bus->frequency(400000); break;
case I2CSpeed::Fast: bus->frequency(1000000); break;
}
}
char SSD1306::scan (void)
{
int addr;
int res;
char i2caddr = 0;
for (addr=0; addr<256; addr++) {
res = bus->write (addr, NULL, 0);
if (res == 0)
i2caddr = addr & 0xFE;
}
return i2caddr;
}
int SSD1306::command_data (char c, char c_or_d, char lastitem)
{
int res;
bus->start();
res = bus->write(ssd1306_i2c_addr); if (!res) goto terminate_transaction;
res = bus->write(c_or_d | lastitem); if (!res) goto terminate_transaction;
res = bus->write(c); if (!res) goto terminate_transaction;
terminate_transaction:
bus->stop();
return res;
}
int SSD1306::command (char c)
{
return command_data (c, IS_COMMAND, IS_LAST);
}
int SSD1306::data (char d)
{
return command_data (d, IS_DATA, IS_LAST);
}
int SSD1306::init (void)
{
static char comando[] = {0x80, SSD1306_DISPLAYOFF, 0x80, SSD1306_CHARGEPUMP, 0x80, 0x14, 0x80, SSD1306_MEMORYMODE, 0x80, 0x00, 0x80, SSD1306_SEGREMAP | 0x1,
0x80, SSD1306_COMSCANDEC, 0x80, SSD1306_SETCONTRAST, 0x80, 0x7F, 0x00, SSD1306_DISPLAYON
};
return bus->write (ssd1306_i2c_addr, comando, sizeof comando);
}
void SSD1306::scroll (void)
{
int i;
for (i=128; i<1024; i++)
fb[i-128] = fb[i];
for (i=896; i<1024; i++)
fb[i] = 0;
}
void SSD1306::putchar (char c)
{
int idx,i;
idx = c*8;
for (i=0; i<8; i++) {
fb[idxfb] = charset[idx+i];
idxfb++;
if (idxfb == 1024) {
scroll();
idxfb = 896;
}
}
}
void SSD1306::display(void)
{
int i;
command (0xb0);
command (SSD1306_SETLOWCOLUMN | 0x0); // low col = 0
command (SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0
command (SSD1306_SETSTARTLINE | 0x0); // line #0
bus->start();
bus->write (ssd1306_i2c_addr);
bus->write (0x40);
for (i=0; i<1024; i++) {
bus->write (fb[i]);
}
bus->stop();
}
void SSD1306::set_contrast (char v)
{
command (SSD1306_SETCONTRAST);
command (v);
}
void SSD1306::cls (void)
{
int i;
for (i=0; i<1024; i++) {
fb[i] = 0;
}
idxfb = 0;
}
void SSD1306::plot (char x, char y, PlotStyle modo)
{
x = x % 128;
y = y % 64;
switch (modo)
{
case PlotStyle::Normal: fb[(y/8)*128+x] |= (1<<(y%8)); break;
case PlotStyle::Inverse: fb[(y/8)*128+x] &= ~(1<<(y%8)); break;
case PlotStyle::Xor: fb[(y/8)*128+x] ^= (1<<(y%8)); break;
}
}