mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-27 01:56:14 +01:00
113 lines
3.2 KiB
C++
113 lines
3.2 KiB
C++
/* 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 this software. If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef SSD1306Ascii_h
|
|
#define SSD1306Ascii_h
|
|
|
|
#include "Arduino.h"
|
|
#include "FSH.h"
|
|
#include "LCDDisplay.h"
|
|
|
|
#include "I2CManager.h"
|
|
#include "DIAG.h"
|
|
|
|
// Uncomment to remove lower-case letters to save 108 bytes of flash
|
|
//#define NOLOWERCASE
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Device initialization structure.
|
|
|
|
struct DevType {
|
|
/* Pointer to initialization command bytes. */
|
|
const uint8_t* initcmds;
|
|
/* Number of initialization bytes */
|
|
const uint8_t initSize;
|
|
/* Width of the display in pixels */
|
|
const uint8_t lcdWidth;
|
|
/** Height of the display in pixels. */
|
|
const uint8_t lcdHeight;
|
|
/* Column offset RAM to display. Used to pick start column of SH1106. */
|
|
const uint8_t colOffset;
|
|
};
|
|
|
|
// Constructor
|
|
class SSD1306AsciiWire : public LCDDisplay {
|
|
public:
|
|
|
|
// Constructor
|
|
SSD1306AsciiWire(int width, int height);
|
|
|
|
// Initialize the display controller.
|
|
void begin(const DevType* dev, uint8_t i2cAddr);
|
|
|
|
// Clear the display and set the cursor to (0, 0).
|
|
void clearNative() override;
|
|
|
|
// Set cursor to start of specified text line
|
|
void setRowNative(byte line) override;
|
|
|
|
// Initialize the display controller.
|
|
void init(const DevType* dev);
|
|
|
|
// Write one character to OLED
|
|
size_t writeNative(uint8_t c) override;
|
|
|
|
// Display characteristics / initialisation
|
|
static const DevType FLASH Adafruit128x32;
|
|
static const DevType FLASH Adafruit128x64;
|
|
static const DevType FLASH SH1106_132x64;
|
|
|
|
bool isBusy() override { return requestBlock.isBusy(); }
|
|
|
|
private:
|
|
// Cursor column.
|
|
uint8_t m_col;
|
|
// Cursor RAM row.
|
|
uint8_t m_row;
|
|
// Display width.
|
|
uint8_t m_displayWidth;
|
|
// Display height.
|
|
uint8_t m_displayHeight;
|
|
// Column offset RAM to SEG.
|
|
uint8_t m_colOffset = 0;
|
|
// Current font.
|
|
const uint8_t* const m_font = System5x7;
|
|
|
|
// Only fixed size 5x7 fonts in a 6x8 cell are supported.
|
|
static const uint8_t fontWidth = 5;
|
|
static const uint8_t fontHeight = 7;
|
|
static const uint8_t letterSpacing = 1;
|
|
static const uint8_t m_fontFirstChar = 0x20;
|
|
static const uint8_t m_fontCharCount = 0x61;
|
|
|
|
uint8_t m_i2cAddr;
|
|
|
|
I2CRB requestBlock;
|
|
uint8_t outputBuffer[fontWidth+letterSpacing+1];
|
|
|
|
static const uint8_t blankPixels[];
|
|
|
|
static const uint8_t System5x7[];
|
|
static const uint8_t FLASH Adafruit128xXXinit[];
|
|
static const uint8_t FLASH SH1106_132x64init[];
|
|
};
|
|
|
|
#endif // SSD1306Ascii_h
|