查看“TFT测试程序”的源代码

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<p style="color: #4F4E4E;font-size:220%">'''Microduino-Module TFT测试程序'''</p>
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在下面的示例中，使用Core核心控制TFT模块显示不同图形与文字。
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<p style="color: #E87E05;font-size:155%">所需硬件</p>
*[[Microduino-Core]]
*[[Microduino-USBTTL]]
*[[Microduino-Shield Cube-S2]]
*[[Microduino-Module TFT/zh]]
*8pin传感器线
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<p style="color: #E87E05;font-size:155%">电路搭建</p>
*1、将Microduino-核心模块和Microduino-USB上传模块堆叠在Cube-S2扩展板模块上。
*2、将Microduino TFT屏幕通过排线接到Cube-S2扩展板模块上。
*3、将USB连接线一端插入Microduino-USB上传模，另一端连接PC电脑。
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<p style="color: #E87E05;font-size:155%">代码</p>
<source lang="cpp">
/*************************************************** 
  This is a library for the Adafruit 1.8" SPI display. 
 
This library 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>    // Core graphics library 
#include <Adafruit_ST7735.h> // Hardware-specific library 
#include <SPI.h> 
 
 
// For the breakout, you can use any 2 or 3 pins 
// These pins will also work for the 1.8" TFT shield 
#define TFT_CS     D5 
#define TFT_RST    -1  // you can also connect this to the Arduino reset 
                      // in which case, set this #define pin to -1! 
#define TFT_DC     D4 
 
// Option 1 (recommended): must use the hardware SPI pins 
// (for UNO thats sclk = 13 and sid = 11) and pin 10 must be 
// an output. This is much faster - also required if you want 
// to use the microSD card (see the image drawing example) 
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS,  TFT_DC, TFT_RST); 
 
// Option 2: use any pins but a little slower! 
#define TFT_SCLK D13   // set these to be whatever pins you like! 
#define TFT_MOSI D11   // set these to be whatever pins you like! 
//Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_MOSI, TFT_SCLK, TFT_RST); 
 
 
float p = 3.1415926; 
 
void setup(void) { 
  Serial.begin(9600); 
  Serial.print("Hello! ST7735 TFT Test"); 
 
  // Use this initializer if you're using a 1.8" TFT 
  tft.initR(INITR_BLACKTAB);   // initialize a ST7735S chip, black tab 
 
  // Use this initializer (uncomment) if you're using a 1.44" TFT 
  //tft.initR(INITR_144GREENTAB);   // initialize a ST7735S chip, black tab 
 
  // Use this initializer (uncomment) if you're using a 0.96" 180x60 TFT 
  //tft.initR(INITR_MINI160x80);   // initialize a ST7735S chip, mini display 
 
  Serial.println("Initialized"); 
 
  uint16_t time = millis(); 
  tft.fillScreen(ST7735_BLACK); 
  time = millis() - time; 
 
  Serial.println(time, DEC); 
  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); 
 
  Serial.println("done"); 
  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); 
} 

</source>

将代码复制到Microduino IDE中，程序下载成功后,观察TFT显示，图形正常显示，没有乱码或长时间白屏黑屏情况即可。
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[[Microduino-Module_TFT_Reference | 返回TFT库语法手册]]