mirror of
https://github.com/DCC-EX/CommandStation-EX.git
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74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/*
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* © 2021, Chris Harlow, Neil McKechnie. All rights reserved.
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*
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* This file is part of CommandStation-EX
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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// OLED Implementation of LCDDisplay class
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// Note: this file is optionally included by LCD_Implementation.h
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// It is NOT a .cpp file to prevent it being compiled and demanding libraries
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// even when not needed.
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#include "I2CManager.h"
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#include "SSD1306Ascii.h"
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SSD1306AsciiWire LCDDriver;
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// DEVICE SPECIFIC LCDDisplay Implementation for OLED
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LCDDisplay::LCDDisplay() {
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// Scan for device on 0x3c and 0x3d.
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I2CManager.begin();
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I2CManager.setClock(400000L); // Set max supported I2C speed
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for (byte address = 0x3c; address <= 0x3d; address++) {
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if (I2CManager.exists(address)) {
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// Device found
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DIAG(F("OLED display found at 0x%x"), address);
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interfake(OLED_DRIVER, 0);
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const DevType *devType;
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if (lcdCols == 132)
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devType = &SH1106_128x64; // Actually 132x64 but treated as 128x64
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else if (lcdCols == 128 && lcdRows == 4)
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devType = &Adafruit128x32;
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else
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devType = &Adafruit128x64;
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LCDDriver.begin(devType, address);
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lcdDisplay = this;
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LCDDriver.setFont(System5x7); // Normal 1:1 pixel scale, 8 bits high
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clear();
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return;
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}
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}
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DIAG(F("OLED display not found"));
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}
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void LCDDisplay::interfake(int p1, int p2, int p3) {
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lcdCols = p1;
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lcdRows = p2 / 8;
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(void)p3;
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}
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void LCDDisplay::clearNative() { LCDDriver.clear(); }
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void LCDDisplay::setRowNative(byte row) {
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// Positions text write to start of row 1..n
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int y = row;
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LCDDriver.setCursor(0, y);
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}
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void LCDDisplay::writeNative(char b) { LCDDriver.write(b); }
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void LCDDisplay::displayNative() {}
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