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101 lines
2.1 KiB
101 lines
2.1 KiB
#include "SH1106Display.h"
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#include <Adafruit_GrayOLED.h>
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#include "Adafruit_SH110X.h"
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bool SH1106Display::i2c_probe(TwoWire &wire, uint8_t addr)
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{
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wire.beginTransmission(addr);
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uint8_t error = wire.endTransmission();
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return (error == 0);
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}
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bool SH1106Display::begin()
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{
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// Address selection: on some board revisions (notably the LilyGo T-Beam
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// Supreme V3) the OLED lives at 0x3D because 0x3C is occupied by a
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// magnetometer (QMC6310N). 0x3D is only ever used by the OLED, so prefer it
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// when present, otherwise fall back to the standard 0x3C (DISPLAY_ADDRESS).
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uint8_t addr = 0;
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if (i2c_probe(Wire, 0x3D)) {
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addr = 0x3D;
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} else if (i2c_probe(Wire, DISPLAY_ADDRESS)) {
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addr = DISPLAY_ADDRESS;
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}
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return addr && display.begin(addr, true);
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}
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void SH1106Display::turnOn()
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{
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display.oled_command(SH110X_DISPLAYON);
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_isOn = true;
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}
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void SH1106Display::turnOff()
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{
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display.oled_command(SH110X_DISPLAYOFF);
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_isOn = false;
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}
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void SH1106Display::clear()
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{
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display.clearDisplay();
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display.display();
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}
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void SH1106Display::startFrame(Color bkg)
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{
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display.clearDisplay(); // TODO: apply 'bkg'
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_color = SH110X_WHITE;
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display.setTextColor(_color);
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display.setTextSize(1);
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display.cp437(true); // Use full 256 char 'Code Page 437' font
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}
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void SH1106Display::setTextSize(int sz)
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{
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display.setTextSize(sz);
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}
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void SH1106Display::setColor(Color c)
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{
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_color = (c != 0) ? SH110X_WHITE : SH110X_BLACK;
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display.setTextColor(_color);
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}
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void SH1106Display::setCursor(int x, int y)
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{
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display.setCursor(x, y);
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}
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void SH1106Display::print(const char *str)
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{
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display.print(str);
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}
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void SH1106Display::fillRect(int x, int y, int w, int h)
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{
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display.fillRect(x, y, w, h, _color);
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}
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void SH1106Display::drawRect(int x, int y, int w, int h)
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{
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display.drawRect(x, y, w, h, _color);
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}
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void SH1106Display::drawXbm(int x, int y, const uint8_t *bits, int w, int h)
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{
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display.drawBitmap(x, y, bits, w, h, SH110X_WHITE);
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}
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uint16_t SH1106Display::getTextWidth(const char *str)
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{
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int16_t x1, y1;
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uint16_t w, h;
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display.getTextBounds(str, 0, 0, &x1, &y1, &w, &h);
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return w;
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}
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void SH1106Display::endFrame()
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{
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display.display();
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}
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