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CommandStation-EX/SSD1306Ascii.cpp

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/* Based on Arduino SSD1306Ascii Library, Copyright (C) 2015 by William Greiman
* Modifications (C) 2021 Neil McKechnie
*
* This file is part of CommandStation-EX
*
* This Library is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This Library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the Arduino SSD1306Ascii Library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include "SSD1306Ascii.h"
#include "I2CManager.h"
#include "FSH.h"
//==============================================================================
// SSD1306/SSD1106 I2C command bytes
//------------------------------------------------------------------------------
/** Set Lower Column Start Address for Page Addressing Mode. */
static const uint8_t SSD1306_SETLOWCOLUMN = 0x00;
/** Set Higher Column Start Address for Page Addressing Mode. */
static const uint8_t SSD1306_SETHIGHCOLUMN = 0x10;
/** Set Memory Addressing Mode. */
static const uint8_t SSD1306_MEMORYMODE = 0x20;
/** Set display RAM display start line register from 0 - 63. */
static const uint8_t SSD1306_SETSTARTLINE = 0x40;
/** Set Display Contrast to one of 256 steps. */
static const uint8_t SSD1306_SETCONTRAST = 0x81;
/** Enable or disable charge pump. Follow with 0X14 enable, 0X10 disable. */
static const uint8_t SSD1306_CHARGEPUMP = 0x8D;
/** Set Segment Re-map between data column and the segment driver. */
static const uint8_t SSD1306_SEGREMAP = 0xA0;
/** Resume display from GRAM content. */
static const uint8_t SSD1306_DISPLAYALLON_RESUME = 0xA4;
/** Force display on regardless of GRAM content. */
static const uint8_t SSD1306_DISPLAYALLON = 0xA5;
/** Set Normal Display. */
static const uint8_t SSD1306_NORMALDISPLAY = 0xA6;
/** Set Inverse Display. */
static const uint8_t SSD1306_INVERTDISPLAY = 0xA7;
/** Set Multiplex Ratio from 16 to 63. */
static const uint8_t SSD1306_SETMULTIPLEX = 0xA8;
/** Set Display off. */
static const uint8_t SSD1306_DISPLAYOFF = 0xAE;
/** Set Display on. */
static const uint8_t SSD1306_DISPLAYON = 0xAF;
/**Set GDDRAM Page Start Address. */
static const uint8_t SSD1306_SETSTARTPAGE = 0xB0;
/** Set COM output scan direction normal. */
static const uint8_t SSD1306_COMSCANINC = 0xC0;
/** Set COM output scan direction reversed. */
static const uint8_t SSD1306_COMSCANDEC = 0xC8;
/** Set Display Offset. */
static const uint8_t SSD1306_SETDISPLAYOFFSET = 0xD3;
/** Sets COM signals pin configuration to match the OLED panel layout. */
static const uint8_t SSD1306_SETCOMPINS = 0xDA;
/** This command adjusts the VCOMH regulator output. */
static const uint8_t SSD1306_SETVCOMDETECT = 0xDB;
/** Set Display Clock Divide Ratio/ Oscillator Frequency. */
static const uint8_t SSD1306_SETDISPLAYCLOCKDIV = 0xD5;
/** Set Pre-charge Period */
static const uint8_t SSD1306_SETPRECHARGE = 0xD9;
/** Deactivate scroll */
static const uint8_t SSD1306_DEACTIVATE_SCROLL = 0x2E;
/** No Operation Command. */
static const uint8_t SSD1306_NOP = 0xE3;
//------------------------------------------------------------------------------
/** Set Pump voltage value: (30H~33H) 6.4, 7.4, 8.0 (POR), 9.0. */
static const uint8_t SH1106_SET_PUMP_VOLTAGE = 0x30;
/** First byte of set charge pump mode */
static const uint8_t SH1106_SET_PUMP_MODE = 0xAD;
/** Second byte charge pump on. */
static const uint8_t SH1106_PUMP_ON = 0x8B;
/** Second byte charge pump off. */
static const uint8_t SH1106_PUMP_OFF = 0x8A;
//------------------------------------------------------------------------------
// Sequence of blank pixels, to optimise clearing screen.
// Send a maximum of 30 pixels per transmission.
const uint8_t FLASH SSD1306AsciiWire::blankPixels[30] =
{0x40, // First byte specifies data mode
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
//==============================================================================
// this section is based on https://github.com/adafruit/Adafruit_SSD1306
/** Initialization commands for a 128x32 or 128x64 SSD1306 oled display. */
const uint8_t FLASH SSD1306AsciiWire::Adafruit128xXXinit[] = {
// Init sequence for Adafruit 128x32/64 OLED module
0x00, // Set to command mode
SSD1306_DISPLAYOFF,
SSD1306_SETDISPLAYCLOCKDIV, 0x80, // the suggested ratio 0x80
SSD1306_SETMULTIPLEX, 0x3F, // ratio 64 (initially)
SSD1306_SETDISPLAYOFFSET, 0x0, // no offset
SSD1306_SETSTARTLINE | 0x0, // line #0
SSD1306_CHARGEPUMP, 0x14, // internal vcc
SSD1306_MEMORYMODE, 0x02, // page mode
SSD1306_SEGREMAP | 0x1, // column 127 mapped to SEG0
SSD1306_COMSCANDEC, // column scan direction reversed
SSD1306_SETCOMPINS, 0X12, // set COM pins
SSD1306_SETCONTRAST, 0x7F, // contrast level 127
SSD1306_SETPRECHARGE, 0xF1, // pre-charge period (1, 15)
SSD1306_SETVCOMDETECT, 0x40, // vcomh regulator level
SSD1306_DISPLAYALLON_RESUME,
SSD1306_NORMALDISPLAY,
SSD1306_DISPLAYON
};
//------------------------------------------------------------------------------
// This section is based on https://github.com/stanleyhuangyc/MultiLCD
/** Initialization commands for a 128x64 SH1106 oled display. */
const uint8_t FLASH SSD1306AsciiWire::SH1106_132x64init[] = {
0x00, // Set to command mode
SSD1306_DISPLAYOFF,
SSD1306_SETDISPLAYCLOCKDIV, 0X80, // set osc division
SSD1306_SETMULTIPLEX, 0x3F, // ratio 64
SSD1306_SETDISPLAYOFFSET, 0X00, // set display offset
SSD1306_SETSTARTPAGE | 0X0, // set page address
SSD1306_SETSTARTLINE | 0x0, // set start line
SH1106_SET_PUMP_MODE, SH1106_PUMP_ON, // set charge pump enable
SSD1306_SEGREMAP | 0X1, // set segment remap
SSD1306_COMSCANDEC, // Com scan direction
SSD1306_SETCOMPINS, 0X12, // set COM pins
SSD1306_SETCONTRAST, 0x80, // 128
SSD1306_SETPRECHARGE, 0X1F, // set pre-charge period
SSD1306_SETVCOMDETECT, 0x40, // set vcomh
SH1106_SET_PUMP_VOLTAGE | 0X2, // 8.0 volts
SSD1306_NORMALDISPLAY, // normal / reverse
SSD1306_DISPLAYON
};
//==============================================================================
// SSD1306AsciiWire Method Definitions
//------------------------------------------------------------------------------
// Auto-detect address
SSD1306AsciiWire::SSD1306AsciiWire(int width, int height)
: SSD1306AsciiWire(0, width, height) { }
// Constructor with explicit address
SSD1306AsciiWire::SSD1306AsciiWire(I2CAddress address, int width, int height) {
m_i2cAddr = address;
m_displayWidth = width;
m_displayHeight = height;
// Set size in characters
m_charsPerColumn = m_displayHeight / fontHeight;
m_charsPerRow = (m_displayWidth+fontWidth-1) / fontWidth; // Round up
}
bool SSD1306AsciiWire::begin() {
I2CManager.begin();
I2CManager.setClock(400000L); // Set max supported I2C speede
if (m_i2cAddr == 0) {
// Probe for I2C device on 0x3c and 0x3d.
for (uint8_t address = 0x3c; address <= 0x3d; address++) {
if (I2CManager.exists(address)) {
m_i2cAddr = address;
break;
}
}
if (m_i2cAddr == 0)
DIAG(F("OLED display not found"));
}
m_col = 0;
m_row = 0;
m_colOffset = 0;
if (m_displayWidth==132 && m_displayHeight==64) {
// SH1106 display. This uses 128x64 centered within a 132x64 OLED.
m_colOffset = 2;
I2CManager.write_P(m_i2cAddr, SH1106_132x64init, sizeof(SH1106_132x64init));
} else if (m_displayWidth==128 && (m_displayHeight==64 || m_displayHeight==32)) {
// SSD1306 or SSD1309 128x64 or 128x32
I2CManager.write_P(m_i2cAddr, Adafruit128xXXinit, sizeof(Adafruit128xXXinit));
if (m_displayHeight == 32)
I2CManager.write(m_i2cAddr, 5, 0, // Set command mode
SSD1306_SETMULTIPLEX, 0x1F, // ratio 32
SSD1306_SETCOMPINS, 0x02); // sequential COM pins, disable remap
} else {
DIAG(F("OLED configuration option not recognised"));
return false;
}
// Device found
DIAG(F("%dx%d OLED display configured on I2C:%s"), m_displayWidth, m_displayHeight, m_i2cAddr.toString());
return true;
}
/* Clear screen by writing blank pixels. */
void SSD1306AsciiWire::clearNative() {
const int maxBytes = sizeof(blankPixels) - 1; // max number of pixel columns (bytes) per transmission
for (uint8_t r = 0; r <= m_displayHeight/8 - 1; r++) {
setRowNative(r); // Position at start of row to be erased
for (uint8_t c = 0; c < m_displayWidth; c += maxBytes) {
uint8_t len = m_displayWidth-c; // Number of pixel columns remaining
if (len > maxBytes) len = maxBytes;
I2CManager.write_P(m_i2cAddr, blankPixels, len+1); // Write command + 'len' blank columns
}
}
}
//------------------------------------------------------------------------------
// Set cursor position (by text line)
void SSD1306AsciiWire::setRowNative(uint8_t line) {
// Calculate pixel position from line number
uint8_t row = line*8;
if (row < m_displayHeight) {
m_row = row;
m_col = m_colOffset;
// Before using buffer, wait for last request to complete
requestBlock.wait();
// Build output buffer for I2C
uint8_t len = 0;
outputBuffer[len++] = 0x00; // Set to command mode
outputBuffer[len++] = SSD1306_SETLOWCOLUMN | (m_col & 0XF);
outputBuffer[len++] = SSD1306_SETHIGHCOLUMN | (m_col >> 4);
outputBuffer[len++] = SSD1306_SETSTARTPAGE | (m_row/8);
I2CManager.write(m_i2cAddr, outputBuffer, len, &requestBlock);
}
}
//------------------------------------------------------------------------------
// Write a character to the OLED
size_t SSD1306AsciiWire::writeNative(uint8_t ch) {
const uint8_t* base = m_font;
#if defined(NOLOWERCASE)
// Adjust if lowercase is missing
if (ch >= 'a') {
if (ch <= 'z')
ch = ch - 'a' + 'A'; // Capitalise
else
ch -= 26; // Allow for missing lowercase letters
}
#endif
if (ch < m_fontFirstChar || ch >= (m_fontFirstChar + m_fontCharCount))
return 0;
// Check if character would be partly or wholly off the display
if (m_col + fontWidth > m_displayWidth)
return 0;
ch -= m_fontFirstChar;
base += fontWidth * ch;
// Before using buffer, wait for last request to complete
requestBlock.wait();
// Build output buffer for I2C
outputBuffer[0] = 0x40; // set SSD1306 controller to data mode
uint8_t bufferPos = 1;
// Copy character pixel columns
for (uint8_t i = 0; i < fontWidth; i++) {
if (m_col++ < m_displayWidth)
outputBuffer[bufferPos++] = GETFLASH(base++);
}
// Write the data to I2C display
I2CManager.write(m_i2cAddr, outputBuffer, bufferPos, &requestBlock);
return 1;
}
//------------------------------------------------------------------------------
// Font characters, 6x8 pixels, starting at 0x20.
// Lower case characters optionally omitted.
const uint8_t FLASH SSD1306AsciiWire::System6x8[] = {
// Fixed width; char width table not used !!!!
// font data
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // (space) (20)
0x00, 0x00, 0x5F, 0x00, 0x00, 0x00, // ! (21)
0x00, 0x07, 0x00, 0x07, 0x00, 0x00, // "
0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00, // #
0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00, // $
0x23, 0x13, 0x08, 0x64, 0x62, 0x00, // %
0x36, 0x49, 0x55, 0x22, 0x50, 0x00, // &
0x00, 0x05, 0x03, 0x00, 0x00, 0x00, // '
0x00, 0x1C, 0x22, 0x41, 0x00, 0x00, // (
0x00, 0x41, 0x22, 0x1C, 0x00, 0x00, // )
0x08, 0x2A, 0x1C, 0x2A, 0x08, 0x00, // *
0x08, 0x08, 0x3E, 0x08, 0x08, 0x00, // +
0x00, 0x50, 0x30, 0x00, 0x00, 0x00, // ,
0x08, 0x08, 0x08, 0x08, 0x08, 0x00, // -
0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .
0x20, 0x10, 0x08, 0x04, 0x02, 0x00, // / (47)
0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00, // 0 (48)
0x00, 0x42, 0x7F, 0x40, 0x00, 0x00, // 1
0x42, 0x61, 0x51, 0x49, 0x46, 0x00, // 2
0x21, 0x41, 0x45, 0x4B, 0x31, 0x00, // 3
0x18, 0x14, 0x12, 0x7F, 0x10, 0x00, // 4
0x27, 0x45, 0x45, 0x45, 0x39, 0x00, // 5
0x3C, 0x4A, 0x49, 0x49, 0x30, 0x00, // 6
0x01, 0x71, 0x09, 0x05, 0x03, 0x00, // 7
0x36, 0x49, 0x49, 0x49, 0x36, 0x00, // 8
0x06, 0x49, 0x49, 0x29, 0x1E, 0x00, // 9 (57)
0x00, 0x36, 0x36, 0x00, 0x00, 0x00, // :
0x00, 0x56, 0x36, 0x00, 0x00, 0x00, // ;
0x00, 0x08, 0x14, 0x22, 0x41, 0x00, // <
0x14, 0x14, 0x14, 0x14, 0x14, 0x00, // =
0x41, 0x22, 0x14, 0x08, 0x00, 0x00, // >
0x02, 0x01, 0x51, 0x09, 0x06, 0x00, // ?
0x32, 0x49, 0x79, 0x41, 0x3E, 0x00, // @ (64)
0x7E, 0x11, 0x11, 0x11, 0x7E, 0x00, // A (65)
0x7F, 0x49, 0x49, 0x49, 0x36, 0x00, // B
0x3E, 0x41, 0x41, 0x41, 0x22, 0x00, // C
0x7F, 0x41, 0x41, 0x22, 0x1C, 0x00, // D
0x7F, 0x49, 0x49, 0x49, 0x41, 0x00, // E
0x7F, 0x09, 0x09, 0x01, 0x01, 0x00, // F
0x3E, 0x41, 0x41, 0x51, 0x32, 0x00, // G
0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00, // H
0x00, 0x41, 0x7F, 0x41, 0x00, 0x00, // I
0x20, 0x40, 0x41, 0x3F, 0x01, 0x00, // J
0x7F, 0x08, 0x14, 0x22, 0x41, 0x00, // K
0x7F, 0x40, 0x40, 0x40, 0x40, 0x00, // L
0x7F, 0x02, 0x04, 0x02, 0x7F, 0x00, // M
0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00, // N
0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00, // O
0x7F, 0x09, 0x09, 0x09, 0x06, 0x00, // P
0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00, // Q
0x7F, 0x09, 0x19, 0x29, 0x46, 0x00, // R
0x46, 0x49, 0x49, 0x49, 0x31, 0x00, // S
0x01, 0x01, 0x7F, 0x01, 0x01, 0x00, // T
0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00, // U
0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00, // V
0x7F, 0x20, 0x18, 0x20, 0x7F, 0x00, // W
0x63, 0x14, 0x08, 0x14, 0x63, 0x00, // X
0x03, 0x04, 0x78, 0x04, 0x03, 0x00, // Y
0x61, 0x51, 0x49, 0x45, 0x43, 0x00, // Z (90)
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00, // [
0x02, 0x04, 0x08, 0x10, 0x20, 0x00, // "\"
0x41, 0x41, 0x7F, 0x00, 0x00, 0x00, // ]
0x04, 0x02, 0x01, 0x02, 0x04, 0x00, // ^
0x40, 0x40, 0x40, 0x40, 0x40, 0x00, // _
0x00, 0x01, 0x02, 0x04, 0x00, 0x00, // ' (96)
#ifndef NOLOWERCASE
0x20, 0x54, 0x54, 0x54, 0x78, 0x00, // a (97)
0x7F, 0x48, 0x44, 0x44, 0x38, 0x00, // b
0x38, 0x44, 0x44, 0x44, 0x20, 0x00, // c
0x38, 0x44, 0x44, 0x48, 0x7F, 0x00, // d
0x38, 0x54, 0x54, 0x54, 0x18, 0x00, // e
0x08, 0x7E, 0x09, 0x01, 0x02, 0x00, // f
0x08, 0x14, 0x54, 0x54, 0x3C, 0x00, // g
0x7F, 0x08, 0x04, 0x04, 0x78, 0x00, // h
0x00, 0x44, 0x7D, 0x40, 0x00, 0x00, // i
0x20, 0x40, 0x44, 0x3D, 0x00, 0x00, // j
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00, // k
0x00, 0x41, 0x7F, 0x40, 0x00, 0x00, // l
0x7C, 0x04, 0x18, 0x04, 0x78, 0x00, // m
0x7C, 0x08, 0x04, 0x04, 0x78, 0x00, // n
0x38, 0x44, 0x44, 0x44, 0x38, 0x00, // o
0x7C, 0x14, 0x14, 0x14, 0x08, 0x00, // p
0x08, 0x14, 0x14, 0x18, 0x7C, 0x00, // q
0x7C, 0x08, 0x04, 0x04, 0x08, 0x00, // r
0x48, 0x54, 0x54, 0x54, 0x20, 0x00, // s
0x04, 0x3F, 0x44, 0x40, 0x20, 0x00, // t
0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00, // u
0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00, // v
0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00, // w
0x44, 0x28, 0x10, 0x28, 0x44, 0x00, // x
0x0C, 0x50, 0x50, 0x50, 0x3C, 0x00, // y
0x44, 0x64, 0x54, 0x4C, 0x44, 0x00, // z (122)
#endif
0x00, 0x08, 0x36, 0x41, 0x00, 0x00, // { (123)
0x00, 0x00, 0x7F, 0x00, 0x00, 0x00, // |
0x00, 0x41, 0x36, 0x08, 0x00, 0x00, // }
0x08, 0x08, 0x2A, 0x1C, 0x08, 0x00, // ->
0x08, 0x1C, 0x2A, 0x08, 0x08, 0x00, // <- (127)
#ifndef NO_EXTENDED_CHARACTERS
// Extended characters - based on "DOS Western Europe" characters
// International characters not yet implemented.
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented 0x80
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented 0x90
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x38, 0x44, 0xc6, 0x44, 0x20, 0x00, // cent 0x9b
0x44, 0x6e, 0x59, 0x49, 0x62, 0x00, // £ 0x9c
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented 0xa0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x10, 0x28, 0x54, 0x28, 0x44, 0x00, // <<
0x44, 0x28, 0x54, 0x28, 0x10, 0x00, // >>
// Extended characters 176-180
0x92, 0x00, 0x49, 0x00, 0x24, 0x00, // Light grey 0xb0
0xaa, 0x44, 0xaa, 0x11, 0xaa, 0x55, // Mid grey 0xb1
0x6d, 0xff, 0xb6, 0xff, 0xdb, 0xff, // Dark grey 0xb2
0x00, 0x00, 0x00, 0xff, 0x00, 0x00, // Vertical line 0xb3
0x08, 0x08, 0x08, 0xff, 0x00, 0x00, // Vertical line with left spur 0xb4
0x14, 0x14, 0x14, 0xff, 0x00, 0x00, // Vertical line with double left spur 0xb5
0x08, 0x08, 0xff, 0x00, 0xff, 0x00, // Double vertical line with single left spur
0x08, 0x08, 0xf8, 0x08, 0xf8, 0x00, // Top right corner, single horiz, double vert
0x14, 0x14, 0x14, 0xfc, 0x00, 0x00, // Top right corner, double horiz, single vert
// Extended characters 185-190
0x14, 0x14, 0xf7, 0x00, 0xff, 0x00, // Double vertical line with double left spur 0xb9
0x00, 0x00, 0xff, 0x00, 0xff, 0x00, // Double vertical line 0xba
0x14, 0x14, 0xf4, 0x04, 0xfc, 0x00, // Double top right corner 0xbb
0x14, 0x14, 0x17, 0x10, 0x1f, 0x00, // Double bottom right corner 0xbc
0x08, 0x08, 0x0f, 0x08, 0x0f, 0x00, // Bottom right corner, single horiz, double vert 0xbd
0x14, 0x14, 0x14, 0x1f, 0x00, 0x00, // Bottom right corner, double horiz, single vert 0xbe
// Extended characters 191-199
0x08, 0x08, 0x08, 0xf8, 0x00, 0x00, // Top right corner 0xbf
0x00, 0x00, 0x00, 0x0f, 0x08, 0x08, // Bottom left corner 0xc0
0x08, 0x08, 0x08, 0x0f, 0x08, 0x08, // Horizontal line with upward spur 0xc1
0x08, 0x08, 0x08, 0xf8, 0x08, 0x08, // Horizontal line with downward spur 0xc2
0x00, 0x00, 0x00, 0xff, 0x08, 0x08, // Vertical line with right spur 0xc3
0x08, 0x08, 0x08, 0x08, 0x08, 0x08, // Horizontal line 0xc4
0x08, 0x08, 0x08, 0xff, 0x08, 0x08, // Cross 0xc5
0x00, 0x00, 0x00, 0xff, 0x14, 0x14, // Vertical line double right spur 0xc6
0x00, 0x00, 0xff, 0x00, 0xff, 0x08, // Double vertical line single right spur 0xc7
// Extended characters 200-206
0x00, 0x00, 0x1f, 0x10, 0x17, 0x14, // Double bottom left corner 0xc8
0x00, 0x00, 0xfc, 0x04, 0xf4, 0x14, // Double top left corner 0xc9
0x14, 0x14, 0x17, 0x10, 0x17, 0x14, // Double horizontal with double upward spur 0xca
0x14, 0x14, 0xf4, 0x04, 0xf4, 0x14, // Double horizontal with double downward spur 0xcb
0x00, 0x00, 0xff, 0x00, 0xf7, 0x14, // Double vertical line with double right spur 0xcc
0x14, 0x14, 0x14, 0x14, 0x14, 0x14, // Double horizontal line 0xcd
0x14, 0x14, 0xf7, 0x00, 0xf7, 0x14, // Double cross 0xce
0x14, 0x14, 0x14, 0x17, 0x14, 0x14, // Double horizontal line single upward spur 0xcf
0x08, 0x08, 0x0f, 0x08, 0x0f, 0x08, // Horiz single line with double upward spur 0xd0
0x14, 0x14, 0x14, 0xf4, 0x14, 0x14, // Horiz double line with single downward spur 0xd1
0x08, 0x08, 0xf8, 0x08, 0xf8, 0x08, // Horiz single line with double downward spur 0xd2
0x00, 0x00, 0x0f, 0x08, 0x0f, 0x08, // Bottom left corner, double vert single horiz 0xd3
0x00, 0x00, 0x00, 0x1f, 0x14, 0x14, // Bottom left corner, single vert double horiz 0xd4
0x00, 0x00, 0x00, 0xfc, 0x14, 0x14, // Top left corner, single vert double horiz 0xd5
0x00, 0x00, 0xf8, 0x08, 0xf8, 0x08, // Top left corner, double vert single horiz 0xd6
0x08, 0x08, 0xff, 0x00, 0xff, 0x08, // Cross, double vert single horiz 0xd7
0x14, 0x14, 0x14, 0xf7, 0x14, 0x14, // Cross, single vert double horiz 0xd8
// Extended characters 217-223
0x08, 0x08, 0x08, 0x0f, 0x00, 0x00, // Bottom right corner 0xd9
0x00, 0x00, 0x00, 0xf8, 0x08, 0x08, // Top left corner 0xda
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // Solid block 0xdb
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // Bottom half block 0xdc
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, // Left half block 0xdd
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, // Right half block 0xde
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, // Top half block 0xdf
0xf0, 0xf0, 0xf0, 0x00, 0x00, 0x00, // Bottom Left block 0xe0
0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0, // Bottom Right block
0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, // Top left block
0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, // Top right block 0xe3
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented 0xf0
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Not implemented
// Extended character 248
0x00, 0x06, 0x09, 0x09, 0x06, 0x00 // degree symbol 0xf8
#endif
};
const uint8_t SSD1306AsciiWire::m_fontCharCount = sizeof(System6x8) / 6;
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