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CommandStation-EX/LCD_OLED.h
2021-02-18 21:17:54 +00:00

74 lines
2.4 KiB
C

/*
* © 2020, Chris Harlow, 2021, Neil McKechnie. All rights reserved.
*
* This file is part of CommandStation-EX
*
* This 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.
*
* It 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 CommandStation. If not, see <https://www.gnu.org/licenses/>.
*/
// OLED Implementation of LCDDisplay class
// Note: this file is optionally included by LCD_Implementation.h
// It is NOT a .cpp file to prevent it being compiled and demanding libraries even when not needed.
#include "Wire.h"
#include "SSD1306/SSD1306AsciiWire.h"
SSD1306AsciiWire LCDDriver;
// DEVICE SPECIFIC LCDDisplay Implementation for OLED
LCDDisplay::LCDDisplay() {
// Scan for device on 0x3c and 0x3d.
Wire.begin();
for (byte address=0x3c; address<=0x3d; address++) {
Wire.beginTransmission(address);
byte error = Wire.endTransmission(true);
if (!error) {
// Device found
DIAG(F("\nOLED display found at 0x%x"), address);
interfake(OLED_DRIVER,0);
const DevType *devType;
if (lcdCols == 132)
devType = &SH1106_128x64; // Actually 132x64 but treated as 128x64
else if (lcdCols == 128 && lcdRows == 4)
devType = &Adafruit128x32;
else
devType = &Adafruit128x64;
LCDDriver.begin(devType, address);
lcdDisplay=this;
LCDDriver.setFont(System5x7); // Normal 1:1 pixel scale, 8 bits high
clear();
return;
}
}
DIAG(F("\nOLED display not found\n"));
}
void LCDDisplay::interfake(int p1, int p2, int p3) {lcdCols=p1; lcdRows=p2/8; (void)p3;}
void LCDDisplay::clearNative() {LCDDriver.clear();}
void LCDDisplay::setRowNative(byte row) {
// Positions text write to start of row 1..n and clears previous text
int y=row;
LCDDriver.setCursor(0, y);
//LCDDriver.clearToEOL();
}
void LCDDisplay::writeNative(char b) {
LCDDriver.write(b);
}
void LCDDisplay::displayNative() { }