【小项目关键技术四】液晶显示屏
2024-05-27 01:22:28
分享一个刷新率比较高的，利用的是 UTFT.h 的库。
完整版资料地址为：https://pmdway.com/blogs/product-guides-for-arduino/using-the-0-96-80-x-160-full-color-ips-lcd-module-with-arduino
程序如下：
// https://pmdway.com/blogs/news/using-the-0-96-80-x-160-full-color-ips-lcd-module-with-arduino
// https://pmdway.com/products/0-96-80-x-160-full-color-lcd-module
#include <UTFT.h>// Declare which fonts we will be using
extern uint8_t SmallFont[];// Initialize display
// Library only supports software SPI at this time
//NOTE: support DUE , MEGA , UNO
//SDI=11 SCL=13 /CS =10 /RST=8 D/C=9
UTFT myGLCD(ST7735S_4L_80160,11,13,10,8,9); //LCD: 4Line serial interface SDI SCL /CS /RST D/C NOTE:Only support DUE MEGA UNO// Declare which fonts we will be using
extern uint8_t BigFont[];int color = 0;
word colorlist[] = {VGA_WHITE, VGA_BLACK, VGA_RED, VGA_BLUE, VGA_GREEN, VGA_FUCHSIA, VGA_YELLOW, VGA_AQUA};
int bsize = 4;void drawColorMarkerAndBrushSize(int col)
{myGLCD.setColor(VGA_BLACK);myGLCD.fillRect(25, 0, 31, 239);myGLCD.fillRect(myGLCD.getDisplayXSize()-31, 161, myGLCD.getDisplayXSize()-1, 191);myGLCD.setColor(VGA_WHITE);myGLCD.drawPixel(25, (col*30)+15);for (int i=1; i<7; i++)myGLCD.drawLine(25+i, ((col*30)+15)-i, 25+i, ((col*30)+15)+i);if (color==1)myGLCD.setColor(VGA_WHITE);elsemyGLCD.setColor(colorlist[col]);if (bsize==1)myGLCD.drawPixel(myGLCD.getDisplayXSize()-15, 177);elsemyGLCD.fillCircle(myGLCD.getDisplayXSize()-15, 177, bsize);myGLCD.setColor(colorlist[col]);
}
void setup()
{randomSeed(analogRead(0));// Setup the LCDmyGLCD.InitLCD();myGLCD.setFont(SmallFont);
}void loop()
{int buf[158];int x, x2;int y, y2;int r;// Clear the screen and draw the framemyGLCD.clrScr();myGLCD.setColor(255, 0, 0);myGLCD.fillRect(0, 0, 159, 13);myGLCD.setColor(64, 64, 64);myGLCD.fillRect(0, 114, 159, 127);myGLCD.setColor(255, 255, 255);myGLCD.setBackColor(255, 0, 0);myGLCD.print("pmdway.com.", CENTER, 1);myGLCD.setBackColor(64, 64, 64);myGLCD.setColor(255,255,0);myGLCD.print("pmdway.com", LEFT, 114);myGLCD.setColor(0, 0, 255);myGLCD.drawRect(0, 13, 159, 113);// Draw crosshairsmyGLCD.setColor(0, 0, 255);myGLCD.setBackColor(0, 0, 0);myGLCD.drawLine(79, 14, 79, 113);myGLCD.drawLine(1, 63, 158, 63);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79);for (int i=9; i<150; i+=10)myGLCD.drawLine(i, 61, i, 65);for (int i=19; i<110; i+=10)myGLCD.drawLine(77, i, 81, i);// Draw sin-, cos- and tan-lines myGLCD.setColor(0,255,255);myGLCD.print("Sin", 5, 15);for (int i=1; i<158; i++){myGLCD.drawPixel(i,63+(sin(((i*2.27)*3.14)/180)*40));}myGLCD.setColor(255,0,0);myGLCD.print("Cos", 5, 27);for (int i=1; i<158; i++){myGLCD.drawPixel(i,63+(cos(((i*2.27)*3.14)/180)*40));}myGLCD.setColor(255,255,0);myGLCD.print("Tan", 5, 39);for (int i=1; i<158; i++){myGLCD.drawPixel(i,63+(tan(((i*2.27)*3.14)/180)));}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.setBackColor(0, 0, 0);myGLCD.drawLine(79, 14, 79, 113);myGLCD.drawLine(1, 63, 158, 63);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); // Draw a moving sinewavex=1;for (int i=1; i<(158*20); i++) {x++;if (x==159)x=1;if (i>159){if ((x==79)||(buf[x-1]==63))myGLCD.setColor(0,0,255);elsemyGLCD.setColor(0,0,0);myGLCD.drawPixel(x,buf[x-1]);}myGLCD.setColor(0,255,255);y=63+(sin(((i*2.5)*3.14)/180)*(40-(i / 100)));myGLCD.drawPixel(x,y);buf[x-1]=y;}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); // Draw some filled rectanglesfor (int i=1; i<6; i++){switch (i){case 1:myGLCD.setColor(255,0,255);break;case 2:myGLCD.setColor(255,0,0);break;case 3:myGLCD.setColor(0,255,0);break;case 4:myGLCD.setColor(0,0,255);break;case 5:myGLCD.setColor(255,255,0);break;}myGLCD.fillRect(39+(i*10), 23+(i*10), 59+(i*10), 43+(i*10));}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); // Draw some filled, rounded rectanglesfor (int i=1; i<6; i++){switch (i){case 1:myGLCD.setColor(255,0,255);break;case 2:myGLCD.setColor(255,0,0);break;case 3:myGLCD.setColor(0,255,0);break;case 4:myGLCD.setColor(0,0,255);break;case 5:myGLCD.setColor(255,255,0);break;}myGLCD.fillRoundRect(99-(i*10), 23+(i*10), 119-(i*10), 43+(i*10));}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79);
// Draw some filled circlesfor (int i=1; i<6; i++){switch (i){case 1:myGLCD.setColor(255,0,255);break;case 2:myGLCD.setColor(255,0,0);break;case 3:myGLCD.setColor(0,255,0);break;case 4:myGLCD.setColor(0,0,255);break;case 5:myGLCD.setColor(255,255,0);break;}myGLCD.fillCircle(49+(i*10),33+(i*10), 15);}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); // Draw some lines in a patternmyGLCD.setColor (255,0,0);for (int i=14; i<113; i+=5){myGLCD.drawLine(1, i, (i*1.44)-10, 112);}myGLCD.setColor (255,0,0);for (int i=112; i>15; i-=5){myGLCD.drawLine(158, i, (i*1.44)-12, 14);}myGLCD.setColor (0,255,255);for (int i=112; i>15; i-=5){myGLCD.drawLine(1, i, 172-(i*1.44), 14);}myGLCD.setColor (0,255,255);for (int i=15; i<112; i+=5){myGLCD.drawLine(158, i, 171-(i*1.44), 112);}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); // Draw some random circlesfor (int i=0; i<100; i++){myGLCD.setColor(random(255), random(255), random(255));x=22+random(116);y=35+random(57);r=random(20);myGLCD.drawCircle(x, y, r);}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); // Draw some random rectanglesfor (int i=0; i<100; i++){myGLCD.setColor(random(255), random(255), random(255));x=2+random(156);y=16+random(95);x2=2+random(156);y2=16+random(95);myGLCD.drawRect(x, y, x2, y2);}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); // Draw some random rounded rectanglesfor (int i=0; i<100; i++){myGLCD.setColor(random(255), random(255), random(255));x=2+random(156);y=16+random(95);x2=2+random(156);y2=16+random(95);myGLCD.drawRoundRect(x, y, x2, y2);}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); for (int i=0; i<100; i++){myGLCD.setColor(random(255), random(255), random(255));x=2+random(156);y=16+random(95);x2=2+random(156);y2=16+random(95);myGLCD.drawLine(x, y, x2, y2);}delay(2000);myGLCD.setColor(0,0,0);myGLCD.fillRect(1,14,158,113);myGLCD.setColor(0, 0, 255);myGLCD.drawLine(0, 79, 159, 79); for (int i=0; i<5000; i++){myGLCD.setColor(random(255), random(255), random(255));myGLCD.drawPixel(2+random(156), 16+random(95));}delay(2000);myGLCD.fillScr(0, 0, 255);myGLCD.setColor(255, 0, 0);myGLCD.fillRoundRect(10, 17, 149, 72);myGLCD.setColor(255, 255, 255);myGLCD.setBackColor(255, 0, 0);myGLCD.print("That's it!", CENTER, 20);myGLCD.print("Restarting in a", CENTER, 45);myGLCD.print("few seconds...", CENTER, 57);myGLCD.setColor(0, 255, 0);myGLCD.setBackColor(0, 0, 255);myGLCD.print("Runtime: (msecs)", CENTER, 103);myGLCD.printNumI(millis(), CENTER, 115);delay (5000);
}
Mega2560
1.77 Inch TFT LCD Display With ST7735S On Arduino Mega 2560
#include <Adafruit_GFX.h>
#include <Adafruit_ST7735.h>
#include <SPI.h>#define TFT_CS 10
#define TFT_RST 8
#define TFT_DC 9 #define TFT_SCLK 13
#define TFT_MOSI 11 //Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_MOSI, TFT_SCLK, TFT_RST);void setup(void) {tft.initR(INITR_BLACKTAB); tft.fillScreen(ST7735_BLACK); tft.setTextColor(ST7735_WHITE);tft.setTextSize(0);tft.setCursor(30,80);tft.println("Hello World!"); delay(1000);}void loop() {tft.fillScreen(ST7735_WHITE); delay(1000);tft.setTextColor(ST7735_BLACK);tft.setTextSize(0);tft.setCursor(30,80);tft.println("Hey you! You got it!"); delay(500);
}
tronixstuff.com
Small IPS Color Display with Arduino Nano
#include <Adafruit_GFX.h> // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library
#include <SPI.h>//Arduino Uno/Nano Pins:
//GND = GND
//VCC = 5v
//DC = 8
//RES = 9
//CS = 10
//SDA = 11
//SCL = 13#define TFT_CS A1
#define TFT_DC A2
#define TFT_RST A3
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);void setup(void) {tft.initR(INITR_MINI160x80); //Initializes ST7735.//Please note that use of 'MINI160x80' displays cyan instead of yellow and vice versa.tft.setRotation(3);tft.fillScreen(ST7735_BLACK);tft.setCursor(5, 5);tft.setTextColor(ST7735_RED); tft.setTextSize(1);tft.println("Welcome to");tft.setCursor(5, 20);tft.setTextColor(ST7735_GREEN);tft.setTextSize(2);tft.println("2021-08-09");tft.setCursor(5, 38);tft.setTextColor(ST7735_BLUE);tft.setTextSize(3);tft.print("PKU");tft.drawLine(153, 0, 153, 79, ST7735_WHITE);tft.drawCircle(153, 20, 5, ST7735_CYAN);tft.fillTriangle(153, 35, 148, 45, 158, 45, ST7735_MAGENTA);tft.drawTriangle(153, 35, 148, 45, 158, 45, ST7735_WHITE);tft.fillCircle(153, 60, 5, ST7735_YELLOW);
}void loop()
{}
https://item.taobao.com/item.htm?spm=a230r.1.14.41.72664a8cmaOyRc&id=552454154728&ns=1&abbucket=7#detail
4.0inch SPI Module ST7796
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