esp32-oled-demo-ssd1306-adafruit-gfx.ino

/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 by Daniel Eichhorn
 * Copyright (c) 2016 by Fabrice Weinberg
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

// This is a basic code example, based on a Adafruit SSD1306 example:
// LILYGO® TTGO ESP32 WiFi + bluetooth 18650 Battery Protection Board 0.96 Inch OLED Development Tool
// LILYGO® TTGO WiFi & Bluetooth Battery ESP32 Module ESP32 0.96 inch OLED Development Board
// 0.96 Inch OLED Display 18650 Lithium Battery WiFi Bluetooth Shield ESP32 ESP-32 ESP8266 CP2102 Module Development Board Module
// diymore.cc 18650 oled.

// In Arduino IDE make sure to select the right board: 
// 'ESP32 Dev Module'

 #include "SSD1306.h" // alias for `#include "SSD1306Wire.h"`

// Include the UI lib
#include "OLEDDisplayUi.h"

// Initialize the OLED display
SSD1306  display(0x3c, 5, 4);
OLEDDisplayUi ui(&display);

// custom images
#define WiFi_Logo_width 60
#define WiFi_Logo_height 36
const char WiFi_Logo_bits[] PROGMEM = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xFF, 0x07, 0x00, 0x00, 0x00,
  0x00, 0x00, 0xE0, 0xFF, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xFF,
  0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0x00, 0x00, 0x00,
  0x00, 0x00, 0xFE, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
  0xFF, 0x03, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
  0x00, 0xFF, 0xFF, 0xFF, 0x07, 0xC0, 0x83, 0x01, 0x80, 0xFF, 0xFF, 0xFF,
  0x01, 0x00, 0x07, 0x00, 0xC0, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x0C, 0x00,
  0xC0, 0xFF, 0xFF, 0x7C, 0x00, 0x60, 0x0C, 0x00, 0xC0, 0x31, 0x46, 0x7C,
  0xFC, 0x77, 0x08, 0x00, 0xE0, 0x23, 0xC6, 0x3C, 0xFC, 0x67, 0x18, 0x00,
  0xE0, 0x23, 0xE4, 0x3F, 0x1C, 0x00, 0x18, 0x00, 0xE0, 0x23, 0x60, 0x3C,
  0x1C, 0x70, 0x18, 0x00, 0xE0, 0x03, 0x60, 0x3C, 0x1C, 0x70, 0x18, 0x00,
  0xE0, 0x07, 0x60, 0x3C, 0xFC, 0x73, 0x18, 0x00, 0xE0, 0x87, 0x70, 0x3C,
  0xFC, 0x73, 0x18, 0x00, 0xE0, 0x87, 0x70, 0x3C, 0x1C, 0x70, 0x18, 0x00,
  0xE0, 0x87, 0x70, 0x3C, 0x1C, 0x70, 0x18, 0x00, 0xE0, 0x8F, 0x71, 0x3C,
  0x1C, 0x70, 0x18, 0x00, 0xC0, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x08, 0x00,
  0xC0, 0xFF, 0xFF, 0x1F, 0x00, 0x00, 0x0C, 0x00, 0x80, 0xFF, 0xFF, 0x1F,
  0x00, 0x00, 0x06, 0x00, 0x80, 0xFF, 0xFF, 0x0F, 0x00, 0x00, 0x07, 0x00,
  0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0xF8, 0xFF, 0xFF,
  0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFF, 0x01, 0x00, 0x00,
  0x00, 0x00, 0xFC, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xFF,
  0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFF, 0x1F, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x80, 0xFF, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  };

const char activeSymbol[] PROGMEM = {
    B00000000,
    B00000000,
    B00011000,
    B00100100,
    B01000010,
    B01000010,
    B00100100,
    B00011000
};

const char inactiveSymbol[] PROGMEM = {
    B00000000,
    B00000000,
    B00000000,
    B00000000,
    B00011000,
    B00011000,
    B00000000,
    B00000000
};


void msOverlay(OLEDDisplay *display, OLEDDisplayUiState* state) {
  display->setTextAlignment(TEXT_ALIGN_RIGHT);
  display->setFont(ArialMT_Plain_10);
  display->drawString(128, 0, String(millis()));
}

void drawFrame1(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
  // draw an xbm image.
  // Please note that everything that should be transitioned
  // needs to be drawn relative to x and y

  display->drawXbm(x + 34, y + 14, WiFi_Logo_width, WiFi_Logo_height, WiFi_Logo_bits);
}

void drawFrame2(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
  // Demonstrates the 3 included default sizes. The fonts come from SSD1306Fonts.h file
  // Besides the default fonts there will be a program to convert TrueType fonts into this format
  display->setTextAlignment(TEXT_ALIGN_LEFT);
  display->setFont(ArialMT_Plain_10);
  display->drawString(0 + x, 10 + y, "Arial 10");

  display->setFont(ArialMT_Plain_16);
  display->drawString(0 + x, 20 + y, "Arial 16");

  display->setFont(ArialMT_Plain_24);
  display->drawString(0 + x, 34 + y, "Arial 24");
}

void drawFrame3(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
  // Text alignment demo
  display->setFont(ArialMT_Plain_10);

  // The coordinates define the left starting point of the text
  display->setTextAlignment(TEXT_ALIGN_LEFT);
  display->drawString(0 + x, 11 + y, "Left aligned (0,10)");

  // The coordinates define the center of the text
  display->setTextAlignment(TEXT_ALIGN_CENTER);
  display->drawString(64 + x, 22 + y, "Center aligned (64,22)");

  // The coordinates define the right end of the text
  display->setTextAlignment(TEXT_ALIGN_RIGHT);
  display->drawString(128 + x, 33 + y, "Right aligned (128,33)");
}

void drawFrame4(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {
  // Demo for drawStringMaxWidth:
  // with the third parameter you can define the width after which words will be wrapped.
  // Currently only spaces and "-" are allowed for wrapping
  display->setTextAlignment(TEXT_ALIGN_LEFT);
  display->setFont(ArialMT_Plain_10);
  display->drawStringMaxWidth(0 + x, 10 + y, 128, "Lorem ipsum\n dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore.");
}

void drawFrame5(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {

}

// This array keeps function pointers to all frames
// frames are the single views that slide in
FrameCallback frames[] = { drawFrame1, drawFrame2, drawFrame3, drawFrame4, drawFrame5 };

// how many frames are there?
int frameCount = 5;

// Overlays are statically drawn on top of a frame eg. a clock
OverlayCallback overlays[] = { msOverlay };
int overlaysCount = 1;

void setup() {
  Serial.begin(115200);
  Serial.println();
  Serial.println();

	// The ESP is capable of rendering 60fps in 80Mhz mode
	// but that won't give you much time for anything else
	// run it in 160Mhz mode or just set it to 30 fps
  ui.setTargetFPS(60);

	// Customize the active and inactive symbol
  ui.setActiveSymbol(activeSymbol);
  ui.setInactiveSymbol(inactiveSymbol);

  // You can change this to
  // TOP, LEFT, BOTTOM, RIGHT
  ui.setIndicatorPosition(BOTTOM);

  // Defines where the first frame is located in the bar.
  ui.setIndicatorDirection(LEFT_RIGHT);

  // You can change the transition that is used
  // SLIDE_LEFT, SLIDE_RIGHT, SLIDE_UP, SLIDE_DOWN
  ui.setFrameAnimation(SLIDE_LEFT);

  // Add frames
  ui.setFrames(frames, frameCount);

  // Add overlays
  ui.setOverlays(overlays, overlaysCount);

  // Initialising the UI will init the display too.
  ui.init();

  display.flipScreenVertically();

}


void loop() {
  int remainingTimeBudget = ui.update();

  if (remainingTimeBudget > 0) {
    // You can do some work here
    // Don't do stuff if you are below your
    // time budget.
    delay(remainingTimeBudget);
  }
}