Copy /*-----------------------------------------------
IoT Smart Device Development Board
by Dodit Suprianto | DSP-TECH
Projek: Layar OLED
Library:
1. https://github.com/Simsso/ShiftRegister74HC595
2. https://github.com/adafruit/Adafruit-GFX-Library
3. https://github.com/adafruit/Adafruit_SSD1306
-----------------------------------------------*/
/*-------------------------------------
Menambahkan library yang diperlukan
-------------------------------------*/
#include <ShiftRegister74HC595.h> // library shift register 74HC595
#include <Adafruit_GFX.h> // library OLED
#include <Adafruit_SSD1306.h> // library OLED Font
#include <Wire.h>
/*----------------------------------
Pin Shift Register yan gterhubung
ke Microcontroller NodeMCU
----------------------------------*/
#define pinData 16 // pin D0
#define pinClock 2 // pin D4
#define pinLatch 0 // pin D3
/*------------------------------
Inisialisasi instance/object &
Deklarasi varibale global
-------------------------------*/
// Konstruktor instance Shift register
ShiftRegister74HC595<2> srChannel(pinData, pinClock, pinLatch);
// Konstruktor instance OLED 0.96"
// 128 pixel x 64 pixel
// -1 adalah pin reset default
Adafruit_SSD1306 display(128, 64, &Wire, -1);
#define NUMFLAKES 10 // Number of snowflakes in the animation example
#define LOGO_HEIGHT 16
#define LOGO_WIDTH 16
// konversi image ke biner
// gambar snowflake yang disimpan dalam PROGMEM
// gambar biner diberi nama logo_bmp
static const unsigned char PROGMEM logo_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
};
void setup() {
/*----------------------------------------------------
Mengatur baudrate serial MCU.
Baurate disesuaikan dengan baudrate serial monitor)
----------------------------------------------------*/
Serial.begin(115200);
Wire.begin();
/*---------------------------------------------
Set seluruh kanal shift register menjadi OFF
agar tidak mengganggu kinerja lainnya
---------------------------------------------*/
srChannel.setAllLow();
/*-------------------
Inisialisasi OLED
-------------------*/
// konstuktor awal OLED
display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
// membersihkan buffer layar dari tampilan sebelumnya
display.clearDisplay();
// OLED ready
display.display();
delay(2000);
// mengatur ukuran font default
display.setTextSize(1);
// menentukan warna font
display.setTextColor(WHITE);
display.clearDisplay();
// menentukan koordinat kursor di x=0, y=0 (top, left)
display.setCursor(0, 0);
// menulis string "Selamat Datang..."
display.println("Selamat Datang...");
// menentukan koordinat kursor di x=0, y=13
display.setCursor(0, 13);
// menulis string "Projek Layar OLED"
display.println("Projek Layar OLED");
// tampilkan semuanya
display.display();
delay(5000); // tunda selama 5 detik
testdrawline(); // Menggambar banyak garis
testdrawrect(); // Menggambar kotak (outlines)
testfillrect(); // Menggambar kotak (filled)
testdrawcircle(); // Menggambar lingkaran (outlines)
testfillcircle(); // Menggambar lingkaran (filled)
testdrawroundrect(); // Menggambar kotak rounded (outlines)
testfillroundrect(); // menggambar kotak rounded (filled)
testdrawtriangle(); // Menggambar segitiga (outlines)
testfilltriangle(); // Menggambar segitiga (filled)
testdrawchar(); // Menggambar characters dari font default
testdrawstyles(); // Menggambar 'stylized' characters
testscrolltext(); // Menggambar scrolling text
testdrawbitmap(); // Menggambar bitmap image kecil
// Membalik dan me-restore tampilan,
// mengehentikan sesaat diantara keduanya
display.invertDisplay(true);
delay(1000);
display.invertDisplay(false);
delay(1000);
// Animasi bitmaps
testanimate(logo_bmp, LOGO_WIDTH, LOGO_HEIGHT);
}
void loop() {
}
void testdrawline() {
int16_t i;
display.clearDisplay(); // Clear display buffer
for (i = 0; i < display.width(); i += 4) {
display.drawLine(0, 0, i, display.height() - 1, SSD1306_WHITE);
display.display(); // Update screen with each newly-drawn line
delay(1);
}
for (i = 0; i < display.height(); i += 4) {
display.drawLine(0, 0, display.width() - 1, i, SSD1306_WHITE);
display.display();
delay(1);
}
delay(250);
display.clearDisplay();
for (i = 0; i < display.width(); i += 4) {
display.drawLine(0, display.height() - 1, i, 0, SSD1306_WHITE);
display.display();
delay(1);
}
for (i = display.height() - 1; i >= 0; i -= 4) {
display.drawLine(0, display.height() - 1, display.width() - 1, i, SSD1306_WHITE);
display.display();
delay(1);
}
delay(250);
display.clearDisplay();
for (i = display.width() - 1; i >= 0; i -= 4) {
display.drawLine(display.width() - 1, display.height() - 1, i, 0, SSD1306_WHITE);
display.display();
delay(1);
}
for (i = display.height() - 1; i >= 0; i -= 4) {
display.drawLine(display.width() - 1, display.height() - 1, 0, i, SSD1306_WHITE);
display.display();
delay(1);
}
delay(250);
display.clearDisplay();
for (i = 0; i < display.height(); i += 4) {
display.drawLine(display.width() - 1, 0, 0, i, SSD1306_WHITE);
display.display();
delay(1);
}
for (i = 0; i < display.width(); i += 4) {
display.drawLine(display.width() - 1, 0, i, display.height() - 1, SSD1306_WHITE);
display.display();
delay(1);
}
delay(2000); // Pause for 2 seconds
}
void testdrawrect(void) {
display.clearDisplay();
for (int16_t i = 0; i < display.height() / 2; i += 2) {
display.drawRect(i, i, display.width() - 2 * i, display.height() - 2 * i, SSD1306_WHITE);
display.display(); // Update screen with each newly-drawn rectangle
delay(1);
}
delay(2000);
}
void testfillrect(void) {
display.clearDisplay();
for (int16_t i = 0; i < display.height() / 2; i += 3) {
// The INVERSE color is used so rectangles alternate white/black
display.fillRect(i, i, display.width() - i * 2, display.height() - i * 2, SSD1306_INVERSE);
display.display(); // Update screen with each newly-drawn rectangle
delay(1);
}
delay(2000);
}
void testdrawcircle(void) {
display.clearDisplay();
for (int16_t i = 0; i < max(display.width(), display.height()) / 2; i += 2) {
display.drawCircle(display.width() / 2, display.height() / 2, i, SSD1306_WHITE);
display.display();
delay(1);
}
delay(2000);
}
void testfillcircle(void) {
display.clearDisplay();
for (int16_t i = max(display.width(), display.height()) / 2; i > 0; i -= 3) {
// The INVERSE color is used so circles alternate white/black
display.fillCircle(display.width() / 2, display.height() / 2, i, SSD1306_INVERSE);
display.display(); // Update screen with each newly-drawn circle
delay(1);
}
delay(2000);
}
void testdrawroundrect(void) {
display.clearDisplay();
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, SSD1306_WHITE);
display.display();
delay(1);
}
delay(2000);
}
void testfillroundrect(void) {
display.clearDisplay();
for (int16_t i = 0; i < display.height() / 2 - 2; i += 2) {
// The INVERSE color is used so round-rects alternate white/black
display.fillRoundRect(i, i, display.width() - 2 * i, display.height() - 2 * i,
display.height() / 4, SSD1306_INVERSE);
display.display();
delay(1);
}
delay(2000);
}
void testdrawtriangle(void) {
display.clearDisplay();
for (int16_t i = 0; i < max(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, SSD1306_WHITE);
display.display();
delay(1);
}
delay(2000);
}
void testfilltriangle(void) {
display.clearDisplay();
for (int16_t i = max(display.width(), display.height()) / 2; i > 0; i -= 5) {
// The INVERSE color is used so triangles alternate white/black
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, SSD1306_INVERSE);
display.display();
delay(1);
}
delay(2000);
}
void testdrawchar(void) {
display.clearDisplay();
display.setTextSize(1); // Normal 1:1 pixel scale
display.setTextColor(SSD1306_WHITE); // Draw white text
display.setCursor(0, 0); // Start at top-left corner
display.cp437(true); // Use full 256 char 'Code Page 437' font
// Not all the characters will fit on the display. This is normal.
// Library will draw what it can and the rest will be clipped.
for (int16_t i = 0; i < 256; i++) {
if (i == '\n') display.write(' ');
else display.write(i);
}
display.display();
delay(2000);
}
void testdrawstyles(void) {
display.clearDisplay();
display.setTextSize(1); // Normal 1:1 pixel scale
display.setTextColor(SSD1306_WHITE); // Draw white text
display.setCursor(0, 0); // Start at top-left corner
display.println(F("Hello, world!"));
display.setTextColor(SSD1306_BLACK, SSD1306_WHITE); // Draw 'inverse' text
display.println(3.141592);
display.setTextSize(2); // Draw 2X-scale text
display.setTextColor(SSD1306_WHITE);
display.print(F("0x")); display.println(0xDEADBEEF, HEX);
display.display();
delay(2000);
}
void testscrolltext(void) {
display.clearDisplay();
display.setTextSize(2); // Draw 2X-scale text
display.setTextColor(SSD1306_WHITE);
display.setCursor(10, 0);
display.println(F("scroll"));
display.display(); // Show initial text
delay(100);
// Scroll in various directions, pausing in-between:
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();
delay(1000);
}
void testdrawbitmap(void) {
display.clearDisplay();
display.drawBitmap(
(display.width() - LOGO_WIDTH ) / 2,
(display.height() - LOGO_HEIGHT) / 2,
logo_bmp, LOGO_WIDTH, LOGO_HEIGHT, 1);
display.display();
delay(1000);
}
#define XPOS 0 // Indexes into the 'icons' array in function below
#define YPOS 1
#define DELTAY 2
void testanimate(const uint8_t *bitmap, uint8_t w, uint8_t h) {
int8_t f, icons[NUMFLAKES][3];
// Initialize 'snowflake' positions
for (f = 0; f < NUMFLAKES; f++) {
icons[f][XPOS] = random(1 - LOGO_WIDTH, display.width());
icons[f][YPOS] = -LOGO_HEIGHT;
icons[f][DELTAY] = random(1, 6);
Serial.print(F("x: "));
Serial.print(icons[f][XPOS], DEC);
Serial.print(F(" y: "));
Serial.print(icons[f][YPOS], DEC);
Serial.print(F(" dy: "));
Serial.println(icons[f][DELTAY], DEC);
}
for (;;) { // Loop forever...
display.clearDisplay(); // Clear the display buffer
// Draw each snowflake:
for (f = 0; f < NUMFLAKES; f++) {
display.drawBitmap(icons[f][XPOS], icons[f][YPOS], bitmap, w, h, SSD1306_WHITE);
}
display.display(); // Show the display buffer on the screen
delay(200); // Pause for 1/10 second
// Then update coordinates of each flake...
for (f = 0; f < NUMFLAKES; f++) {
icons[f][YPOS] += icons[f][DELTAY];
// If snowflake is off the bottom of the screen...
if (icons[f][YPOS] >= display.height()) {
// Reinitialize to a random position, just off the top
icons[f][XPOS] = random(1 - LOGO_WIDTH, display.width());
icons[f][YPOS] = -LOGO_HEIGHT;
icons[f][DELTAY] = random(1, 6);
}
}
}
} 
