kopia lustrzana https://github.com/lora-aprs/LoRa_APRS_iGate
202 wiersze
5.6 KiB
C++
202 wiersze
5.6 KiB
C++
/**
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 by ThingPulse, Daniel Eichhorn
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* Copyright (c) 2018 by Fabrice Weinberg
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* Copyright (c) 2019 by Helmut Tschemernjak - www.radioshuttle.de
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* ThingPulse invests considerable time and money to develop these open source libraries.
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* Please support us by buying our products (and not the clones) from
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* https://thingpulse.com
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*
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*/
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#include "OLEDDisplay.h"
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OLEDDisplay::OLEDDisplay(OLEDDISPLAY_GEOMETRY g) : _geometry(g), _displayIsOn(false) {
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}
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OLEDDisplay::~OLEDDisplay() {
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::displayOn() {
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sendCommand(DISPLAYON);
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_displayIsOn = true;
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}
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// cppcheck-suppress unusedFunction
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bool OLEDDisplay::isDisplayOn() const {
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return _displayIsOn;
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::displayOff() {
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sendCommand(DISPLAYOFF);
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_displayIsOn = false;
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}
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// cppcheck-suppress unusedFunction
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bool OLEDDisplay::isDisplayOff() const {
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return !_displayIsOn;
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::invertDisplay() {
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sendCommand(INVERTDISPLAY);
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::normalDisplay() {
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sendCommand(NORMALDISPLAY);
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::setContrast(uint8_t contrast, uint8_t precharge, uint8_t comdetect) {
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sendCommand(SETPRECHARGE); // 0xD9
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sendCommand(precharge); // 0xF1 default, to lower the contrast, put 1-1F
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sendCommand(SETCONTRAST);
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sendCommand(contrast); // 0-255
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sendCommand(SETVCOMDETECT); // 0xDB, (additionally needed to lower the contrast)
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sendCommand(comdetect); // 0x40 default, to lower the contrast, put 0
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sendCommand(DISPLAYALLON_RESUME);
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sendCommand(NORMALDISPLAY);
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sendCommand(DISPLAYON);
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::setBrightness(uint8_t brightness) {
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uint8_t contrast = brightness * 1.171 - 43;
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if (brightness < 128) {
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// Magic values to get a smooth/ step-free transition
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contrast = brightness * 1.171;
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}
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uint8_t precharge = 241;
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if (brightness == 0) {
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precharge = 0;
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}
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uint8_t comdetect = brightness / 8;
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setContrast(contrast, precharge, comdetect);
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::resetOrientation() {
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sendCommand(SEGREMAP);
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sendCommand(COMSCANINC);
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::flipScreenVertically() {
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sendCommand(SEGREMAP | 0x01);
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sendCommand(COMSCANDEC);
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::mirrorScreen() {
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sendCommand(SEGREMAP);
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sendCommand(COMSCANDEC);
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}
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void OLEDDisplay::display(Bitmap *bitmap) {
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if (isDisplayOff()) {
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displayOn();
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}
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internDisplay(bitmap);
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::clear() {
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}
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// cppcheck-suppress unusedFunction
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uint OLEDDisplay::getWidth() {
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switch (_geometry) {
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case GEOMETRY_128_64:
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case GEOMETRY_128_32:
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return 128;
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case GEOMETRY_64_48:
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case GEOMETRY_64_32:
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return 64;
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}
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return 0;
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}
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// cppcheck-suppress unusedFunction
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uint OLEDDisplay::getHeight() {
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switch (_geometry) {
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case GEOMETRY_128_64:
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return 64;
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case GEOMETRY_64_48:
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return 48;
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case GEOMETRY_128_32:
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case GEOMETRY_64_32:
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return 32;
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}
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return 0;
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}
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// cppcheck-suppress unusedFunction
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void OLEDDisplay::sendInitCommands() {
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sendCommand(DISPLAYOFF);
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sendCommand(SETDISPLAYCLOCKDIV);
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sendCommand(0xF0); // Increase speed of the display max ~96Hz
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sendCommand(SETMULTIPLEX);
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sendCommand(this->getHeight() - 1);
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sendCommand(SETDISPLAYOFFSET);
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sendCommand(0x00);
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if (_geometry == GEOMETRY_64_32) {
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sendCommand(0x00);
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} else {
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sendCommand(SETSTARTLINE);
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}
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sendCommand(CHARGEPUMP);
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sendCommand(0x14);
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sendCommand(MEMORYMODE);
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sendCommand(0x00);
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sendCommand(SEGREMAP);
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sendCommand(COMSCANINC);
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sendCommand(SETCOMPINS);
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if (_geometry == GEOMETRY_128_64 || _geometry == GEOMETRY_64_48 || _geometry == GEOMETRY_64_32) {
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sendCommand(0x12);
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} else if (_geometry == GEOMETRY_128_32) {
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sendCommand(0x02);
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}
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sendCommand(SETCONTRAST);
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if (_geometry == GEOMETRY_128_64 || _geometry == GEOMETRY_64_48 || _geometry == GEOMETRY_64_32) {
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sendCommand(0xCF);
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} else if (_geometry == GEOMETRY_128_32) {
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sendCommand(0x8F);
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}
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sendCommand(SETPRECHARGE);
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sendCommand(0xF1);
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sendCommand(SETVCOMDETECT); // 0xDB, (additionally needed to lower the contrast)
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sendCommand(0x40); // 0x40 default, to lower the contrast, put 0
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sendCommand(DISPLAYALLON_RESUME);
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sendCommand(NORMALDISPLAY);
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sendCommand(0x2e); // stop scroll
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sendCommand(DISPLAYON);
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}
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