Revise paste OLED Graphics rev_01

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- Project: OLED Graphics
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-05-31 20:39:37

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* Create an interface to visualize real-time data on */
	/* a Wemos OLED display using Adafruit_SSD1306 and */
	/* U8g2_for_Adafruit_GFX libraries. Utilize I2C pins */
	/* A4 (SDA) and A5 (SCL) with slave address 60. */
	/* Define setup and loop functions. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <U8g2_for_Adafruit_GFX.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);

/***** DEFINITION OF I2C PINS *****/
const uint8_t display_SSD1306OledDisplay_I2C_PIN_SDA_A4 = A4;
const uint8_t display_SSD1306OledDisplay_I2C_PIN_SCL_A5 = A5;
const uint8_t display_SSD1306OledDisplay_I2C_SLAVE_ADDRESS = 0x3C;  // I2C address for the display

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
Adafruit_SSD1306 display(-1);  // Initialize with the reset pin set to -1 for I2C
U8G2_FOR_ADAFRUIT_GFX u8g2_for_adafruit_gfx;  // Create an instance of U8G2_FOR_ADAFRUIT_GFX

void setup(void) {
  // Initialize serial communication
  Serial.begin(9600);

// Initialize the display with the I2C address
  display.begin(SSD1306_SWITCHCAPVCC, display_SSD1306OledDisplay_I2C_SLAVE_ADDRESS);
  display.display();
  delay(2000);
  display.clearDisplay();

// Initialize U8G2_FOR_ADAFRUIT_GFX
  u8g2_for_adafruit_gfx.begin(display);

// Draw a single pixel
  display.drawPixel(10, 10, WHITE);
  display.display();
  delay(2000);
  display.clearDisplay();

// Draw many lines
  testdrawline();
  display.display();
  delay(2000);
  display.clearDisplay();

// Draw rectangles
  testdrawrect();
  display.display();
  delay(2000);
  display.clearDisplay();

// Draw multiple rectangles
  testfillrect();
  display.display();
  delay(2000);
  display.clearDisplay();

// Draw multiple circles
  testdrawcircle();
  display.display();
  delay(2000);
  display.clearDisplay();

// Draw a white circle, 10 pixel radius
  display.fillCircle(display.width() / 2, display.height() / 2, 10, WHITE);
  display.display();
  delay(2000);
  display.clearDisplay();

testdrawroundrect();
  delay(2000);
  display.clearDisplay();

testfillroundrect();
  delay(2000);
  display.clearDisplay();

testdrawtriangle();
  delay(2000);
  display.clearDisplay();

testfilltriangle();
  delay(2000);
  display.clearDisplay();

// Draw the first ~12 characters in the font
  testdrawchar();
  display.display();
  delay(2000);
  display.clearDisplay();

// Draw scrolling text
  testscrolltext();
  delay(2000);
  display.clearDisplay();

// Text display tests
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0, 0);
  display.println("Hello, world!");
  display.setTextColor(BLACK, WHITE);  // 'inverted' text
  display.println(3.141592);
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.print("0x");
  display.println(0xDEADBEEF, HEX);
  display.display();
  delay(2000);
  display.clearDisplay();

// Miniature bitmap display
  display.drawBitmap(30, 16, logo16_glcd_bmp, 16, 16, 1);
  display.display();
  delay(1);

// Invert the display
  display.invertDisplay(true);
  delay(1000);
  display.invertDisplay(false);
  delay(1000);
  display.clearDisplay();

// Draw a bitmap icon and 'animate' movement
  testdrawbitmap(logo16_glcd_bmp, LOGO16_GLCD_HEIGHT, LOGO16_GLCD_WIDTH);
}

void loop(void) {
  // put your main code here, to run repeatedly:
}

// Function definitions for drawing shapes and text
void testdrawline() {
  for (int16_t i = 0; i < display.width(); i += 4) {
    display.drawLine(0, 0, i, display.height() - 1, WHITE);
    display.display();
    delay(1);
  }
  for (int16_t i = 0; i < display.height(); i += 4) {
    display.drawLine(0, 0, display.width() - 1, i, WHITE);
    display.display();
    delay(1);
  }
  delay(250);

display.clearDisplay();
  for (int16_t i = 0; i < display.width(); i += 4) {
    display.drawLine(0, display.height() - 1, i, 0, WHITE);
    display.display();
    delay(1);
  }
  for (int16_t i = display.height() - 1; i >= 0; i -= 4) {
    display.drawLine(0, display.height() - 1, display.width() - 1, i, WHITE);
    display.display();
    delay(1);
  }
  delay(250);

display.clearDisplay();
  for (int16_t i = display.width() - 1; i >= 0; i -= 4) {
    display.drawLine(display.width() - 1, display.height() - 1, i, 0, WHITE);
    display.display();
    delay(1);
  }
  for (int16_t i = display.height() - 1; i >= 0; i -= 4) {
    display.drawLine(display.width() - 1, display.height() - 1, 0, i, WHITE);
    display.display();
    delay(1);
  }
  delay(250);

display.clearDisplay();
  for (int16_t i = 0; i < display.height(); i += 4) {
    display.drawLine(display.width() - 1, 0, 0, i, WHITE);
    display.display();
    delay(1);
  }
  for (int16_t i = 0; i < display.width(); i += 4) {
    display.drawLine(display.width() - 1, 0, i, display.height() - 1, WHITE);
    display.display();
    delay(1);
  }
  delay(250);
}

void testdrawrect(void) {
  for (int16_t i = 0; i < display.height() / 2; i += 2) {
    display.drawRect(i, i, display.width() - 2 * i, display.height() - 2 * i, WHITE);
    display.display();
    delay(1);
  }
}

void testfillrect(void) {
  uint8_t color = 1;
  for (int16_t i = 0; i < display.height() / 2; i += 3) {
    // alternate colors
    display.fillRect(i, i, display.width() - i * 2, display.height() - i * 2, color % 2);
    display.display();
    delay(1);
    color++;
  }
}

void testdrawcircle(void) {
  for (int16_t i = 0; i < display.height(); i += 2) {
    display.drawCircle(display.width() / 2, display.height() / 2, i, WHITE);
    display.display();
    delay(1);
  }
}

void testdrawroundrect(void) {
  for (int16_t i = 0; i < display.height() / 2 - 2; i += 2) {
    display.drawRoundRect(i, i, display.width() - 2 * i, display.height() - 2 * i, display.height() / 4, WHITE);
    display.display();
    delay(1);
  }
}

void testfillroundrect(void) {
  uint8_t color = WHITE;
  for (int16_t i = 0; i < display.height() / 2 - 2; i += 2) {
    display.fillRoundRect(i, i, display.width() - 2 * i, display.height() - 2 * i, display.height() / 4, color);
    if (color == WHITE) color = BLACK;
    else color = WHITE;
    display.display();
    delay(1);
  }
}

void testdrawtriangle(void) {
  for (int16_t i = 0; i < min(display.width(), display.height()) / 2; i += 5) {
    display.drawTriangle(display.width() / 2, display.height() / 2 - i,
                         display.width() / 2 - i, display.height() / 2 + i,
                         display.width() / 2 + i, display.height() / 2 + i, WHITE);
    display.display();
    delay(1);
  }
}

void testfilltriangle(void) {
  uint8_t color = WHITE;
  for (int16_t i = min(display.width(), display.height()) / 2; i > 0; i -= 5) {
    display.fillTriangle(display.width() / 2, display.height() / 2 - i,
                         display.width() / 2 - i, display.height() / 2 + i,
                         display.width() / 2 + i, display.height() / 2 + i, WHITE);
    if (color == WHITE) color = BLACK;
    else color = WHITE;
    display.display();
    delay(1);
  }
}

void testdrawchar(void) {
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0, 0);

for (uint8_t i = 0; i < 168; i++) {
    if (i == '\n') continue;
    display.write(i);
    if ((i > 0) && (i % 21 == 0))
      display.println();
  }
  display.display();
  delay(1);
}

void testscrolltext(void) {
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(10, 0);
  display.clearDisplay();
  display.println("scroll");
  display.display();
  delay(1);

display.startscrollright(0x00, 0x0F);
  delay(2000);
  display.stopscroll();
  delay(1000);
  display.startscrollleft(0x00, 0x0F);
  delay(2000);
  display.stopscroll();
  delay(1000);
  display.startscrolldiagright(0x00, 0x07);
  delay(2000);
  display.startscrolldiagleft(0x00, 0x07);
  delay(2000);
  display.stopscroll();
}

void testdrawbitmap(const uint8_t *bitmap, uint8_t w, uint8_t h) {
  uint8_t icons[NUMFLAKES][3];

// initialize
  for (uint8_t f = 0; f < NUMFLAKES; f++) {
    icons[f][XPOS] = random(display.width());
    icons[f][YPOS] = 0;
    icons[f][DELTAY] = random(5) + 1;

Serial.print("x: ");
    Serial.print(icons[f][XPOS], DEC);
    Serial.print(" y: ");
    Serial.print(icons[f][YPOS], DEC);
    Serial.print(" dy: ");
    Serial.println(icons[f][DELTAY], DEC);
  }

while (1) {
    // draw each icon
    for (uint8_t f = 0; f < NUMFLAKES; f++) {
      display.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, WHITE);
    }
    display.display();
    delay(200);

// then erase it + move it
    for (uint8_t f = 0; f < NUMFLAKES; f++) {
      display.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, BLACK);
      // move it
      icons[f][YPOS] += icons[f][DELTAY];
      // if its gone, reinit
      if (icons[f][YPOS] > display.height()) {
        icons[f][XPOS] = random(display.width());
        icons[f][YPOS] = 0;
        icons[f][DELTAY] = random(5) + 1;
      }
    }
  }
}

#define NUMFLAKES 10
#define XPOS 0
#define YPOS 1
#define DELTAY 2

#define LOGO16_GLCD_HEIGHT 16
#define LOGO16_GLCD_WIDTH 16
static const unsigned char PROGMEM logo16_glcd_bmp[] = {
  B00000000, B11000000,
  B00000001, B11000000,
  B00000001, B11000000,
  B00000011, B11100000,
  B11110011, B11100000,
  B11111110, B11111000,
  B01111110, B11111111,
  B00110011, B10011111,
  B00011111, B11111100,
  B00001101, B01110000,
  B00011011, B10100000,
  B00111111, B11100000,
  B00111111, B11110000,
  B01111100, B11110000,
  B01110000, B01110000,
  B00000000, B00110000
};