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- /**************************************************************************************
- Interfacing ESP8266 NodeMCU with ST7735 TFT display (128x160 pixel).
- This is a free software with NO WARRANTY.
- https://simple-circuit.com/
- /**************************************************************************
- This is a library for several Adafruit displays based on ST77* drivers.
- Works with the Adafruit 1.8" TFT Breakout w/SD card
- ----> http://www.adafruit.com/products/358
- The 1.8" TFT shield
- ----> https://www.adafruit.com/product/802
- The 1.44" TFT breakout
- ----> https://www.adafruit.com/product/2088
- as well as Adafruit raw 1.8" TFT display
- ----> http://www.adafruit.com/products/618
- Check out the links above for our tutorials and wiring diagrams.
- These displays use SPI to communicate, 4 or 5 pins are required to
- interface (RST is optional).
- Adafruit invests time and resources providing this open source code,
- please support Adafruit and open-source hardware by purchasing
- products from Adafruit!
- Written by Limor Fried/Ladyada for Adafruit Industries.
- MIT license, all text above must be included in any redistribution
- **************************************************************************/
- #include <Adafruit_GFX.h> // include Adafruit graphics library
- #include <Adafruit_ST7735.h> // include Adafruit ST7735 TFT library
- // ST7735 TFT module connections
- #define TFT_RST D4 // TFT RST pin is connected to NodeMCU pin D4 (GPIO2)
- #define TFT_CS D3 // TFT CS pin is connected to NodeMCU pin D4 (GPIO0)
- #define TFT_DC D2 // TFT DC pin is connected to NodeMCU pin D4 (GPIO4)
- // initialize ST7735 TFT library with hardware SPI module
- // SCK (CLK) ---> NodeMCU pin D5 (GPIO14)
- // MOSI(DIN) ---> NodeMCU pin D7 (GPIO13)
- Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);
- float p = 3.1415926;
- void setup(void) {
- tft.initR(INITR_BLACKTAB); // initialize a ST7735S chip, black tab
- uint16_t time = millis();
- tft.fillScreen(ST7735_BLACK);
- time = millis() - time;
- delay(500);
- // large block of text
- tft.fillScreen(ST7735_BLACK);
- testdrawtext("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur adipiscing ante sed nibh tincidunt feugiat. Maecenas enim massa, fringilla sed malesuada et, malesuada sit amet turpis. Sed porttitor neque ut ante pretium vitae malesuada nunc bibendum. Nullam aliquet ultrices massa eu hendrerit. Ut sed nisi lorem. In vestibulum purus a tortor imperdiet posuere. ", ST7735_WHITE);
- delay(1000);
- // tft print function!
- tftPrintTest();
- delay(4000);
- // a single pixel
- tft.drawPixel(tft.width()/2, tft.height()/2, ST7735_GREEN);
- delay(500);
- // line draw test
- testlines(ST7735_YELLOW);
- delay(500);
- // optimized lines
- testfastlines(ST7735_RED, ST7735_BLUE);
- delay(500);
- testdrawrects(ST7735_GREEN);
- delay(500);
- testfillrects(ST7735_YELLOW, ST7735_MAGENTA);
- delay(500);
- tft.fillScreen(ST7735_BLACK);
- testfillcircles(10, ST7735_BLUE);
- testdrawcircles(10, ST7735_WHITE);
- delay(500);
- testroundrects();
- delay(500);
- testtriangles();
- delay(500);
- mediabuttons();
- delay(500);
- delay(1000);
- }
- void loop() {
- tft.invertDisplay(true);
- delay(500);
- tft.invertDisplay(false);
- delay(500);
- }
- void testlines(uint16_t color) {
- tft.fillScreen(ST7735_BLACK);
- for (int16_t x=0; x < tft.width(); x+=6) {
- tft.drawLine(0, 0, x, tft.height()-1, color);
- }
- for (int16_t y=0; y < tft.height(); y+=6) {
- tft.drawLine(0, 0, tft.width()-1, y, color);
- }
- tft.fillScreen(ST7735_BLACK);
- for (int16_t x=0; x < tft.width(); x+=6) {
- tft.drawLine(tft.width()-1, 0, x, tft.height()-1, color);
- }
- for (int16_t y=0; y < tft.height(); y+=6) {
- tft.drawLine(tft.width()-1, 0, 0, y, color);
- }
- tft.fillScreen(ST7735_BLACK);
- for (int16_t x=0; x < tft.width(); x+=6) {
- tft.drawLine(0, tft.height()-1, x, 0, color);
- }
- for (int16_t y=0; y < tft.height(); y+=6) {
- tft.drawLine(0, tft.height()-1, tft.width()-1, y, color);
- }
- tft.fillScreen(ST7735_BLACK);
- for (int16_t x=0; x < tft.width(); x+=6) {
- tft.drawLine(tft.width()-1, tft.height()-1, x, 0, color);
- }
- for (int16_t y=0; y < tft.height(); y+=6) {
- tft.drawLine(tft.width()-1, tft.height()-1, 0, y, color);
- }
- }
- void testdrawtext(char *text, uint16_t color) {
- tft.setCursor(0, 0);
- tft.setTextColor(color);
- tft.setTextWrap(true);
- tft.print(text);
- }
- void testfastlines(uint16_t color1, uint16_t color2) {
- tft.fillScreen(ST7735_BLACK);
- for (int16_t y=0; y < tft.height(); y+=5) {
- tft.drawFastHLine(0, y, tft.width(), color1);
- }
- for (int16_t x=0; x < tft.width(); x+=5) {
- tft.drawFastVLine(x, 0, tft.height(), color2);
- }
- }
- void testdrawrects(uint16_t color) {
- tft.fillScreen(ST7735_BLACK);
- for (int16_t x=0; x < tft.width(); x+=6) {
- tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color);
- }
- }
- void testfillrects(uint16_t color1, uint16_t color2) {
- tft.fillScreen(ST7735_BLACK);
- for (int16_t x=tft.width()-1; x > 6; x-=6) {
- tft.fillRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color1);
- tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color2);
- }
- }
- void testfillcircles(uint8_t radius, uint16_t color) {
- for (int16_t x=radius; x < tft.width(); x+=radius*2) {
- for (int16_t y=radius; y < tft.height(); y+=radius*2) {
- tft.fillCircle(x, y, radius, color);
- }
- }
- }
- void testdrawcircles(uint8_t radius, uint16_t color) {
- for (int16_t x=0; x < tft.width()+radius; x+=radius*2) {
- for (int16_t y=0; y < tft.height()+radius; y+=radius*2) {
- tft.drawCircle(x, y, radius, color);
- }
- }
- }
- void testtriangles() {
- tft.fillScreen(ST7735_BLACK);
- int color = 0xF800;
- int t;
- int w = tft.width()/2;
- int x = tft.height()-1;
- int y = 0;
- int z = tft.width();
- for(t = 0 ; t <= 15; t++) {
- tft.drawTriangle(w, y, y, x, z, x, color);
- x-=4;
- y+=4;
- z-=4;
- color+=100;
- }
- }
- void testroundrects() {
- tft.fillScreen(ST7735_BLACK);
- int color = 100;
- int i;
- int t;
- for(t = 0 ; t <= 4; t+=1) {
- int x = 0;
- int y = 0;
- int w = tft.width()-2;
- int h = tft.height()-2;
- for(i = 0 ; i <= 16; i+=1) {
- tft.drawRoundRect(x, y, w, h, 5, color);
- x+=2;
- y+=3;
- w-=4;
- h-=6;
- color+=1100;
- }
- color+=100;
- }
- }
- void tftPrintTest() {
- tft.setTextWrap(false);
- tft.fillScreen(ST7735_BLACK);
- tft.setCursor(0, 30);
- tft.setTextColor(ST7735_RED);
- tft.setTextSize(1);
- tft.println("Hello World!");
- tft.setTextColor(ST7735_YELLOW);
- tft.setTextSize(2);
- tft.println("Hello World!");
- tft.setTextColor(ST7735_GREEN);
- tft.setTextSize(3);
- tft.println("Hello World!");
- tft.setTextColor(ST7735_BLUE);
- tft.setTextSize(4);
- tft.print(1234.567);
- delay(1500);
- tft.setCursor(0, 0);
- tft.fillScreen(ST7735_BLACK);
- tft.setTextColor(ST7735_WHITE);
- tft.setTextSize(0);
- tft.println("Hello World!");
- tft.setTextSize(1);
- tft.setTextColor(ST7735_GREEN);
- tft.print(p, 6);
- tft.println(" Want pi?");
- tft.println(" ");
- tft.print(8675309, HEX); // print 8,675,309 out in HEX!
- tft.println(" Print HEX!");
- tft.println(" ");
- tft.setTextColor(ST7735_WHITE);
- tft.println("Sketch has been");
- tft.println("running for: ");
- tft.setTextColor(ST7735_MAGENTA);
- tft.print(millis() / 1000);
- tft.setTextColor(ST7735_WHITE);
- tft.print(" seconds.");
- }
- void mediabuttons() {
- // play
- tft.fillScreen(ST7735_BLACK);
- tft.fillRoundRect(25, 10, 78, 60, 8, ST7735_WHITE);
- tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_RED);
- delay(500);
- // pause
- tft.fillRoundRect(25, 90, 78, 60, 8, ST7735_WHITE);
- tft.fillRoundRect(39, 98, 20, 45, 5, ST7735_GREEN);
- tft.fillRoundRect(69, 98, 20, 45, 5, ST7735_GREEN);
- delay(500);
- // play color
- tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_BLUE);
- delay(50);
- // pause color
- tft.fillRoundRect(39, 98, 20, 45, 5, ST7735_RED);
- tft.fillRoundRect(69, 98, 20, 45, 5, ST7735_RED);
- // play color
- tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_GREEN);
- }
- // end of code.
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