/* * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2023-05-29 Meco Man port to RTduino */ /************************************************************************** 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 #include // Core graphics library #include // Hardware-specific library for ST7789 #include // Arduino SPI library // ST7789 TFT module connections #define TFT_CS D36 // define chip select pin #define TFT_DC D38 // define data/command pin #define TFT_RST D37 // define reset pin, or set to -1 and connect to Arduino RESET pin #define TFT_PWR D39 // LCD screen power with PWM control // Initialize Adafruit ST7789 TFT library static Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST); 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); } for (int16_t y=0; y < tft.height(); y+=6) { tft.drawLine(0, 0, tft.width()-1, y, color); } 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); } for (int16_t y=0; y < tft.height(); y+=6) { tft.drawLine(tft.width()-1, 0, 0, y, color); } tft.fillScreen(ST77XX_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(ST77XX_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.setTextSize(2); 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(void) { 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(void) { 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(void) { 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 RT-Thread!"); tft.setTextColor(ST77XX_GREEN); tft.setTextSize(3); tft.println("Hello RTduino!"); 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(PI, 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(void) { // play tft.fillScreen(ST77XX_BLACK); tft.fillRoundRect(25, 10, 78, 60, 8, ST77XX_WHITE); tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_RED); delay(500); // pause tft.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 color tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_BLUE); delay(50); // pause color tft.fillRoundRect(39, 98, 20, 45, 5, ST77XX_RED); tft.fillRoundRect(69, 98, 20, 45, 5, ST77XX_RED); // play color tft.fillTriangle(42, 20, 42, 60, 90, 40, ST77XX_GREEN); } static void st7789_setup(void) { Serial.begin(); Serial.println(F("Hello! ST77xx TFT Test")); // if the display has CS pin try with SPI_MODE0 tft.init(240, 240, SPI_MODE0); // Init ST7789 display 240x240 pixel analogWrite(TFT_PWR, 255); // set the PWM background LED as max // if the screen is flipped, remove this command tft.setRotation(2); Serial.println(F("Initialized")); uint16_t time = millis(); tft.fillScreen(ST77XX_BLACK); time = millis() - time; Serial.print("Fill the screen spend: "); Serial.print(time, DEC); Serial.println(" ms"); time = millis(); testdrawtext((char *)"RTduino is an open source project which is compatible with Arduino APIs so that RT-Thread beginners can easily get start to use RT-Thread through Arduino APIs, which significantly reduces the difficulty of learning RT-Thread.", ST77XX_WHITE); time = millis() - time; Serial.print("write text spend: "); Serial.print(time, DEC); Serial.println(" ms"); delay(1500); // tft print function! tftPrintTest(); delay(4000); // a single pixel tft.drawPixel(tft.width()/2, tft.height()/2, ST77XX_GREEN); delay(500); // line draw test time = millis(); testlines(ST77XX_YELLOW); time = millis() - time; Serial.print("testlines spend: "); Serial.print(time, DEC); Serial.println(" ms"); delay(500); // optimized lines testfastlines(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); } static void st7789_loop(void) { tft.invertDisplay(true); delay(500); tft.invertDisplay(false); delay(500); } RTDUINO_SKETCH_LOADER("ST7789", st7789_setup, st7789_loop);