ESP8266 在Arduino 使用ST7789 OLED

GND连接GND
VCC连接3.3V
SCL连接的ESP8266D5(GPIO14)
SDA连接ESP8266的D7(GPIO13）
RES 连接ESP8266的D0（GPIO16）
DC 连接ESP8266的D1(GPIO5)
CS 连接GND
BLK 连接3.3V

两个库：
Adafruit ST7789
Adafruit_GFX

重点Adafruit_GFX版本必须小于1.8

#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789// ST7789 TFT module connections
#define TFT_DC    5     // TFT DC  pin is connected to NodeMCU pin D1 (GPIO5)
#define TFT_RST   4     // TFT RST pin is connected to NodeMCU pin D2 (GPIO4)
#define TFT_CS    15     // TFT CS  pin is connected to NodeMCU pin D8 (GPIO15)
// initialize ST7789 TFT library with hardware SPI module
// SCK (CLK) ---> NodeMCU pin D5 (GPIO14)
// MOSI(DIN) ---> NodeMCU pin D7 (GPIO13)
Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);float p = 3.1415926;void setup(void) {Serial.begin(9600);Serial.print(F("Hello! ST77xx TFT Test"));// if the display has CS pin try with SPI_MODE0tft.init(240, 320, SPI_MODE2);    // 改成你屏幕的大小// if the screen is flipped, remove this commandtft.setRotation(2);Serial.println(F("Initialized"));uint16_t time = millis();tft.fillScreen(ST77XX_BLACK);time = millis() - time;Serial.println(time, DEC);delay(500);// large block of texttft.fillScreen(ST77XX_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. ", ST77XX_WHITE);delay(1000);// tft print function!tftPrintTest();delay(4000);// a single pixeltft.drawPixel(tft.width()/2, tft.height()/2, ST77XX_GREEN);delay(500);// line draw testtestlines(ST77XX_YELLOW);delay(500);// optimized linestestfastlines(ST77XX_RED, ST77XX_BLUE);delay(500);testdrawrects(ST77XX_GREEN);delay(500);testfillrects(ST77XX_YELLOW, ST77XX_MAGENTA);delay(500);tft.fillScreen(ST77XX_BLACK);testfillcircles(10, ST77XX_BLUE);testdrawcircles(10, ST77XX_WHITE);delay(500);testroundrects();delay(500);testtriangles();delay(500);mediabuttons();delay(500);Serial.println("done");delay(1000);
}void loop() {tft.invertDisplay(true);delay(500);tft.invertDisplay(false);delay(500);
}void testlines(uint16_t color) {tft.fillScreen(ST77XX_BLACK);for (int16_t x=0; x < tft.width(); x+=6) {tft.drawLine(0, 0, x, tft.height()-1, color);delay(0);}for (int16_t y=0; y < tft.height(); y+=6) {tft.drawLine(0, 0, tft.width()-1, y, color);delay(0);}tft.fillScreen(ST77XX_BLACK);for (int16_t x=0; x < tft.width(); x+=6) {tft.drawLine(tft.width()-1, 0, x, tft.height()-1, color);delay(0);}for (int16_t y=0; y < tft.height(); y+=6) {tft.drawLine(tft.width()-1, 0, 0, y, color);delay(0);}tft.fillScreen(ST77XX_BLACK);for (int16_t x=0; x < tft.width(); x+=6) {tft.drawLine(0, tft.height()-1, x, 0, color);delay(0);}for (int16_t y=0; y < tft.height(); y+=6) {tft.drawLine(0, tft.height()-1, tft.width()-1, y, color);delay(0);}tft.fillScreen(ST77XX_BLACK);for (int16_t x=0; x < tft.width(); x+=6) {tft.drawLine(tft.width()-1, tft.height()-1, x, 0, color);delay(0);}for (int16_t y=0; y < tft.height(); y+=6) {tft.drawLine(tft.width()-1, tft.height()-1, 0, y, color);delay(0);}
}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(ST77XX_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(ST77XX_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(ST77XX_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(ST77XX_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(ST77XX_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(ST77XX_BLACK);tft.setCursor(0, 30);tft.setTextColor(ST77XX_RED);tft.setTextSize(1);tft.println("Hello World!");tft.setTextColor(ST77XX_YELLOW);tft.setTextSize(2);tft.println("Hello World!");tft.setTextColor(ST77XX_GREEN);tft.setTextSize(3);tft.println("Hello World!");tft.setTextColor(ST77XX_BLUE);tft.setTextSize(4);tft.print(1234.567);delay(1500);tft.setCursor(0, 0);tft.fillScreen(ST77XX_BLACK);tft.setTextColor(ST77XX_WHITE);tft.setTextSize(0);tft.println("Hello World!");tft.setTextSize(1);tft.setTextColor(ST77XX_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(ST77XX_WHITE);tft.println("Sketch has been");tft.println("running for: ");tft.setTextColor(ST77XX_MAGENTA);tft.print(millis() / 1000);tft.setTextColor(ST77XX_WHITE);tft.print(" seconds.");
}void mediabuttons() {// playtft.fillScreen(ST77XX_BLACK);tft.fillRoundRect(25, 10, 78, 60, 8, ST77XX_WHITE);tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_RED);delay(500);// pausetft.fillRoundRect(25, 90, 78, 60, 8, ST77XX_WHITE);tft.fillRoundRect(39, 98, 20, 45, 5, ST77XX_GREEN);tft.fillRoundRect(69, 98, 20, 45, 5, ST77XX_GREEN);delay(500);// play colortft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_BLUE);delay(50);// pause colortft.fillRoundRect(39, 98, 20, 45, 5, ST77XX_RED);tft.fillRoundRect(69, 98, 20, 45, 5, ST77XX_RED);// play colortft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_GREEN);
}

参考文章：https://simple-circuit.com/esp8266-nodemcu-st7789-tft-ips-display/

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ESP8266 在Arduino 使用ST7789 OLED

ESP8266 在Arduino 使用ST7789 OLED

重点Adafruit_GFX版本必须小于1.8

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