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[项目] 【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...

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驴友花雕  中级技神
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发表于 2021-7-7 10:37:58

实验场景图

【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1
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驴友花雕  中级技神
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发表于 2021-7-7 10:41:56


修改后的项目18，实验程序

  1. /*

  2.   【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）

  3.   实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

  4.   项目十八：测试并使用 TFT 触摸屏驱动程序 0x9341

  5.   模块直插，引脚用法如下：

  6.   LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK

  7.   Arduino Uno A3 A2 A1 A0 A4 10 11 12 13

  8.   LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7

  9.   Arduino Uno 8 9 2 3 4 5 6 7

  10. */

  11. 

  12. #include <Adafruit_GFX.h>

  13. #include <TouchScreen.h>

  14. #include <Adafruit_TFTLCD.h>

  15. 

  16. #define YP A2  // must be an analog pin, use "An" notation!

  17. #define XM A1  // must be an analog pin, use "An" notation!

  18. #define YM 6   // can be a digital pin

  19. #define XP 7   // can be a digital pin

  20. 

  21. #define TS_MINX 150

  22. #define TS_MINY 120

  23. #define TS_MAXX 850

  24. #define TS_MAXY 891

  25. 

  26. //SPI Communication

  27. #define LCD_CS A3

  28. #define LCD_CD A2

  29. #define LCD_WR A1

  30. #define LCD_RD A0

  31. // optional

  32. #define LCD_RESET A4

  33. 

  34. //Color Definitons

  35. #define BLACK   0x0000

  36. #define WHITE   0xFFFF

  37. #define RED     0xF800

  38. #define GREEN   0x07E0

  39. #define CYAN    0x07FF

  40. 

  41. #define MINPRESSURE 1

  42. #define MAXPRESSURE 1000

  43. 

  44. // For better pressure precision, we need to know the resistance

  45. // between X+ and X- Use any multimeter to read it

  46. // For the one we're using, its 300 ohms across the X plate

  47. // Pins A2-A6

  48. TouchScreen ts = TouchScreen(XP, YP, XM, YM, 364);

  49. 

  50. //2.4 = 240 x 320

  51. //Height 319 to fit on screen

  52. 

  53. //Size of key containers 70px

  54. #define BOXSIZE 70

  55. 

  56. Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);

  57. 

  58. //Container variables for touch coordinates

  59. int X, Y, Z;

  60. 

  61. //Screen height without hidden pixel

  62. double tHeight = tft.height() - 1;

  63. //Centering the mid square

  64. double center = (tft.width() / 2) - (BOXSIZE / 2);

  65. //Space between squares

  66. double padding = 10;

  67. //Position of squares to the left and right of center

  68. double fromCenter = BOXSIZE + padding;

  69. //Second row Y-Axis position

  70. double secondRow = BOXSIZE + padding;

  71. //Third row Y-Axis position

  72. double thirdRow = secondRow + BOXSIZE + padding;

  73. //Fourth row Y-Axis position

  74. double fourthRow = thirdRow + BOXSIZE + padding;

  75. //Y-Axis align for all squares

  76. double verticalAlign = (tHeight - ((BOXSIZE * 4) + (padding * 3))) / 2;

  77. //Left column starting x posision

  78. double leftColPositionX = center - fromCenter;

  79. //Mid column starting x posision

  80. double midColPositionX = center;

  81. //Right column starting x posision

  82. double rightColPositionX = center + fromCenter;

  83. 

  84. void setup() {

  85.   Serial.begin(9600);

  86.   tft.reset();

  87.   tft.begin(0x9341);

  88.   //Background color

  89.   tft.fillScreen(BLACK);

  90.   Serial.println(F("准备就绪OK!"));

  91.   createButtons();

  92.   Serial.println(F("请按 TFT 屏幕上的任意按钮："));

  93. }

  94. 

  95. void loop() {

  96.   retrieveTouch();

  97.   int boxHeightRow1 = verticalAlign + BOXSIZE;

  98.   int boxHeightRow2 = secondRow + BOXSIZE;

  99.   int boxHeightRow3 = thirdRow + BOXSIZE;

  100.   int boxHeightRow4 = fourthRow + BOXSIZE;

  101. 

  102.   if (Z > MINPRESSURE && Z < MAXPRESSURE) {

  103.     //Check if element clicked is in left column

  104.     if (X > leftColPositionX && X < (leftColPositionX + BOXSIZE)) {

  105.       //Check if element clicked is in row 1

  106.       if (Y > verticalAlign) {

  107.         if (Y < boxHeightRow1) {

  108.           Serial.println("1");

  109.           delay(150);

  110.         }

  111.         //Check if element clicked is in row 2

  112.         else if (Y < boxHeightRow2) {

  113.           Serial.println("4");

  114.           delay(150);

  115.         }

  116.         //Check if element clicked is in row 3

  117.         else if (Y < boxHeightRow3) {

  118.           Serial.println("7");

  119.           delay(150);

  120.         }

  121.         //Check if element clicked is in row 4

  122.         else if (Y < boxHeightRow4) {

  123.           Serial.println("0");

  124.           delay(150);

  125.         }

  126.       }

  127.       //Check if element clicked is in mid column

  128.     } else if (X > midColPositionX && X < (midColPositionX + BOXSIZE)) {

  129.       //Check if element clicked is in row 1

  130.       if (Y > verticalAlign) {

  131.         if (Y < boxHeightRow1) {

  132.           Serial.println("2");

  133.           delay(150);

  134.         }

  135.         //Check if element clicked is in row 2

  136.         else if (Y < boxHeightRow2) {

  137.           Serial.println("5");

  138.           delay(150);

  139.         }

  140.         //Check if element clicked is in row 3

  141.         else if (Y < boxHeightRow3) {

  142.           Serial.println("8");

  143.           delay(150);

  144.         }

  145.         //Check if element clicked is in row 4

  146.         else if (Y < boxHeightRow4) {

  147.           Serial.println("0");

  148.           delay(150);

  149.         }

  150.       }

  151.       //Check if element clicked is in third column

  152.     } else if (X > rightColPositionX && X < (rightColPositionX + BOXSIZE)) {

  153.       if (Y > verticalAlign) {

  154.         //Check if element clicked is in row 1

  155.         if (Y < boxHeightRow1) {

  156.           Serial.println("3");

  157.           delay(150);

  158.         }

  159.         //Check if element clicked is in row 2

  160.         else if (Y < boxHeightRow2) {

  161.           Serial.println("6");

  162.           delay(150);

  163.         }

  164.         //Check if element clicked is in row 3

  165.         else if (Y < boxHeightRow3) {

  166.           Serial.println("9");

  167.           delay(150);

  168.         }

  169.         //Check if element clicked is in row 3

  170.         else if (Y < boxHeightRow4) {

  171.           Serial.println(".");

  172.           delay(150);

  173.         }

  174.       }

  175.     }

  176.   }

  177. }

  178. 

  179. void retrieveTouch()

  180. {

  181.   digitalWrite(13, HIGH);

  182.   TSPoint p = ts.getPoint();

  183.   digitalWrite(13, LOW);

  184. 

  185.   //If sharing pins, you'll need to fix the directions of the touchscreen pins

  186.   pinMode(XM, OUTPUT);

  187.   pinMode(YP, OUTPUT);

  188. 

  189.   //Scale from 0->1023 to tft.width

  190.   X = map(p.x, TS_MAXX, TS_MINX, 0, tft.width());

  191.   Y = map(p.y, TS_MAXY, TS_MINY, 0, tft.height());

  192.   Z = p.z;

  193. }

  194. 

  195. void createButtons() {

  196.   //(initial x,initial y,width,height,color)

  197.   double secondRowVertialAlign = secondRow + verticalAlign;

  198.   double thirdRowVertialAlign = thirdRow + verticalAlign;

  199.   double fourthRowVertialAlign = fourthRow + verticalAlign;

  200. 

  201.   /***Draw squares with specified dimensions and position (No Fill)***/

  202.   //(initial x,initial y,width,height,color)

  203.   //First Row

  204.   tft.drawRect(leftColPositionX, verticalAlign, BOXSIZE, BOXSIZE, WHITE);

  205.   tft.drawRect(midColPositionX, verticalAlign, BOXSIZE, BOXSIZE, WHITE);

  206.   tft.drawRect(rightColPositionX, verticalAlign, BOXSIZE, BOXSIZE, WHITE);

  207. 

  208.   //Second Row

  209.   tft.drawRect(leftColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, CYAN);

  210.   tft.drawRect(midColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, CYAN);

  211.   tft.drawRect(rightColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, CYAN);

  212. 

  213.   //Third Row

  214.   tft.drawRect(leftColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, GREEN);

  215.   tft.drawRect(midColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, GREEN);

  216.   tft.drawRect(rightColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, GREEN);

  217. 

  218.   //Fourth Row

  219.   tft.drawRect(leftColPositionX, fourthRowVertialAlign, (BOXSIZE * 2) + padding, BOXSIZE, RED);

  220.   tft.drawRect(rightColPositionX, fourthRowVertialAlign, BOXSIZE, BOXSIZE, RED);

  221. }
复制代码


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驴友花雕  中级技神
 楼主|

发表于 2021-7-7 10:45:49

触摸屏幕方格后，实验串口返回情况



【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1





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驴友花雕  中级技神
 楼主|

发表于 2021-7-7 11:24:54

【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目十九：Arduino Uno 数字键盘（浅灰色）

  1. /*

  2.   【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）

  3.   实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

  4.   项目十九：Arduino Uno 数字键盘（浅灰色）

  5.   模块直插，引脚用法如下：

  6.   LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK

  7.   Arduino Uno A3 A2 A1 A0 A4 10 11 12 13

  8.   LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7

  9.   Arduino Uno 8 9 2 3 4 5 6 7

  10. */

  11. 

  12. #include <Adafruit_GFX.h>

  13. #include <TouchScreen.h>

  14. #include <Adafruit_TFTLCD.h>

  15. 

  16. #define YP A2  // must be an analog pin, use "An" notation!

  17. #define XM A1  // must be an analog pin, use "An" notation!

  18. #define YM 6   // can be a digital pin

  19. #define XP 7  // can be a digital pin

  20. 

  21. #define TS_MINX 150

  22. #define TS_MINY 120

  23. #define TS_MAXX 850

  24. #define TS_MAXY 891

  25. 

  26. //SPI Communication

  27. #define LCD_CS A3

  28. #define LCD_CD A2

  29. #define LCD_WR A1

  30. #define LCD_RD A0

  31. // optional

  32. #define LCD_RESET A4

  33. 

  34. //Color Definitons

  35. #define BLACK     0x0000

  36. #define BLUE      0x001F

  37. #define GREY      0xCE79

  38. #define LIGHTGREY 0xDEDB

  39. #define MINPRESSURE 1

  40. #define MAXPRESSURE 1000

  41. 

  42. // For better pressure precision, we need to know the resistance

  43. // between X+ and X- Use any multimeter to read it

  44. // For the one we're using, its 300 ohms across the X plate

  45. // Pins A2-A6

  46. TouchScreen ts = TouchScreen(XP, YP, XM, YM, 364);

  47. 

  48. //Size of key containers 70px

  49. #define BOXSIZE 70

  50. 

  51. //2.4 = 240 x 320

  52. //Height 319 to fit on screen

  53. 

  54. Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);

  55. 

  56. //Container variables for touch coordinates

  57. int X, Y, Z;

  58. 

  59. //Screen height without hidden pixel

  60. double tHeight = tft.height() - 1;

  61. //Centering the mid square

  62. double center = (tft.width() / 2) - (BOXSIZE / 2);

  63. //Space between squares

  64. double padding = 10;

  65. //Position of squares to the left and right of center

  66. double fromCenter = BOXSIZE + padding;

  67. //Second row Y-Axis position

  68. double secondRow = BOXSIZE + padding;

  69. //Third row Y-Axis position

  70. double thirdRow = secondRow + BOXSIZE + padding;

  71. //Fourth row Y-Axis position

  72. double fourthRow = thirdRow + BOXSIZE + padding;

  73. //Y-Axis align for all squares

  74. double verticalAlign = (tHeight - ((BOXSIZE * 4) + (padding * 3))) / 2;

  75. //Left column starting x posision

  76. double leftColPositionX = center - fromCenter;

  77. //Mid column starting x posision

  78. double midColPositionX = center;

  79. //Right column starting x posision

  80. double rightColPositionX = center + fromCenter;

  81. 

  82. void setup() {

  83.   Serial.begin(9600);

  84.   tft.reset();

  85.   tft.begin(0x9341);

  86. 

  87.   //Background color

  88.   tft.fillScreen(LIGHTGREY);

  89. 

  90.   createButtons();

  91.   insertNumbers();

  92.   Serial.println(F("Press any button on the TFT screen: "));

  93. }

  94. 

  95. void loop() {

  96.   retrieveTouch();

  97.   int boxHeightRow1 = verticalAlign + BOXSIZE;

  98.   int boxHeightRow2 = secondRow + BOXSIZE;

  99.   int boxHeightRow3 = thirdRow + BOXSIZE;

  100.   int boxHeightRow4 = fourthRow + BOXSIZE;

  101. 

  102.   if (Z > MINPRESSURE && Z < MAXPRESSURE) {

  103.     //Check if element clicked is in left column

  104.     if (X > leftColPositionX && X < (leftColPositionX + BOXSIZE)) {

  105.       //Check if element clicked is in row 1

  106.       if (Y > verticalAlign) {

  107.         if (Y < boxHeightRow1) {

  108.           Serial.println("1");

  109.           delay(150);

  110.         }

  111.         //Check if element clicked is in row 2

  112.         else if (Y < boxHeightRow2) {

  113.           Serial.println("4");

  114.           delay(150);

  115.         }

  116.         //Check if element clicked is in row 3

  117.         else if (Y < boxHeightRow3) {

  118.           Serial.println("7");

  119.           delay(150);

  120.         }

  121.         //Check if element clicked is in row 4

  122.         else if (Y < boxHeightRow4) {

  123.           Serial.println("0");

  124.           delay(150);

  125.         }

  126.       }

  127.       //Check if element clicked is in mid column

  128.     } else if (X > midColPositionX && X < (midColPositionX + BOXSIZE)) {

  129.       //Check if element clicked is in row 1

  130.       if (Y > verticalAlign) {

  131.         if (Y < boxHeightRow1) {

  132.           Serial.println("2");

  133.           delay(150);

  134.         }

  135.         //Check if element clicked is in row 2

  136.         else if (Y < boxHeightRow2) {

  137.           Serial.println("5");

  138.           delay(150);

  139.         }

  140.         //Check if element clicked is in row 3

  141.         else if (Y < boxHeightRow3) {

  142.           Serial.println("8");

  143.           delay(150);

  144.         }

  145.         //Check if element clicked is in row 4

  146.         else if (Y < boxHeightRow4) {

  147.           Serial.println("0");

  148.           delay(150);

  149.         }

  150.       }

  151.       //Check if element clicked is in third column

  152.     } else if (X > rightColPositionX && X < (rightColPositionX + BOXSIZE)) {

  153.       if (Y > verticalAlign) {

  154.         //Check if element clicked is in row 1

  155.         if (Y < boxHeightRow1) {

  156.           Serial.println("3");

  157.           delay(150);

  158.         }

  159.         //Check if element clicked is in row 2

  160.         else if (Y < boxHeightRow2) {

  161.           Serial.println("6");

  162.           delay(150);

  163.         }

  164.         //Check if element clicked is in row 3

  165.         else if (Y < boxHeightRow3) {

  166.           Serial.println("9");

  167.           delay(150);

  168.         }

  169.         //Check if element clicked is in row 3

  170.         else if (Y < boxHeightRow4) {

  171.           Serial.println(".");

  172.           delay(150);

  173.         }

  174.       }

  175.     }

  176.   }

  177. }

  178. 

  179. void retrieveTouch()

  180. {

  181.   digitalWrite(13, HIGH);

  182.   TSPoint p = ts.getPoint();

  183.   digitalWrite(13, LOW);

  184. 

  185.   //If sharing pins, you'll need to fix the directions of the touchscreen pins

  186.   pinMode(XM, OUTPUT);

  187.   pinMode(YP, OUTPUT);

  188. 

  189.   //Scale from 0->1023 to tft.width

  190.   X = map(p.x, TS_MAXX, TS_MINX, 0, tft.width());

  191.   Y = map(p.y, TS_MAXY, TS_MINY, 0, tft.height());

  192.   Z = p.z;

  193. }

  194. 

  195. void createButtons() {

  196.   //(initial x,initial y,width,height,color)

  197.   double secondRowVertialAlign = secondRow + verticalAlign;

  198.   double thirdRowVertialAlign = thirdRow + verticalAlign;

  199.   double fourthRowVertialAlign = fourthRow + verticalAlign;

  200. 

  201.   /***Draw filled squares with specified dimensions and position***/

  202.   //First Row

  203.   tft.fillRect(leftColPositionX, verticalAlign, BOXSIZE, BOXSIZE, GREY);

  204.   tft.fillRect(midColPositionX, verticalAlign, BOXSIZE, BOXSIZE, GREY);

  205.   tft.fillRect(rightColPositionX, verticalAlign, BOXSIZE, BOXSIZE, GREY);

  206. 

  207.   //Second Row

  208.   tft.fillRect(leftColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, GREY);

  209.   tft.fillRect(midColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, GREY);

  210.   tft.fillRect(rightColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, GREY);

  211. 

  212.   //Third Row

  213.   tft.fillRect(leftColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, GREY);

  214.   tft.fillRect(midColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, GREY);

  215.   tft.fillRect(rightColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, GREY);

  216. 

  217.   //Fourth Row

  218.   tft.fillRect(leftColPositionX, fourthRowVertialAlign, (BOXSIZE * 2) + padding, BOXSIZE, GREY);

  219.   tft.fillRect(rightColPositionX, fourthRowVertialAlign, BOXSIZE, BOXSIZE, GREY);

  220. 

  221.   /***Draw Borders around squares***/

  222.   //First Row

  223.   tft.drawRect(leftColPositionX, verticalAlign, BOXSIZE, BOXSIZE, BLACK);

  224.   tft.drawRect(midColPositionX, verticalAlign, BOXSIZE, BOXSIZE, BLACK);

  225.   tft.drawRect(rightColPositionX, verticalAlign, BOXSIZE, BOXSIZE, BLACK);

  226. 

  227.   //Second Row

  228.   tft.drawRect(leftColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, BLACK);

  229.   tft.drawRect(midColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, BLACK);

  230.   tft.drawRect(rightColPositionX, secondRowVertialAlign, BOXSIZE, BOXSIZE, BLACK);

  231. 

  232.   //Third Row

  233.   tft.drawRect(leftColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, BLACK);

  234.   tft.drawRect(midColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, BLACK);

  235.   tft.drawRect(rightColPositionX, thirdRowVertialAlign, BOXSIZE, BOXSIZE, BLACK);

  236. 

  237.   //Fourth Row

  238.   tft.drawRect(leftColPositionX, fourthRowVertialAlign, (BOXSIZE * 2) + padding, BOXSIZE, BLACK);

  239.   tft.drawRect(rightColPositionX, fourthRowVertialAlign, BOXSIZE, BOXSIZE, BLACK);

  240. }

  241. 

  242. void insertNumbers() {

  243.   //Centers text horizontally on all three columns

  244.   double leftColCursorX   = leftColPositionX + (BOXSIZE / 3);

  245.   double midColCursorX    = midColPositionX  + (BOXSIZE / 3);

  246.   double rightColCursorX  = rightColPositionX + (BOXSIZE / 3);

  247.   //Centers text horizontally on all four rows

  248.   double firstRowCursorY  = verticalAlign + (BOXSIZE / 3);

  249.   double secondRowCursorY = secondRow + firstRowCursorY;

  250.   double thirdRowCursorY  = thirdRow  + firstRowCursorY;

  251.   double fourthRowCursorY = fourthRow + firstRowCursorY;

  252. 

  253.   tft.setTextSize(4);

  254.   tft.setTextColor(BLACK);

  255. 

  256.   //Insert Number 1

  257.   tft.setCursor(leftColCursorX, firstRowCursorY);

  258.   tft.println("1");

  259. 

  260.   //Insert Number 2

  261.   tft.setCursor(midColCursorX, firstRowCursorY);

  262.   tft.println("2");

  263. 

  264.   //Insert Number 3

  265.   tft.setCursor(rightColCursorX, firstRowCursorY);

  266.   tft.println("3");

  267. 

  268.   //Insert Number 4

  269.   tft.setCursor(leftColCursorX, secondRowCursorY);

  270.   tft.println("4");

  271. 

  272.   //Insert Number 5

  273.   tft.setCursor(midColCursorX, secondRowCursorY);

  274.   tft.println("5");

  275. 

  276.   //Insert Number 6

  277.   tft.setCursor(rightColCursorX, secondRowCursorY);

  278.   tft.println("6");

  279. 

  280.   //Insert Number 7

  281.   tft.setCursor(leftColCursorX, thirdRowCursorY);

  282.   tft.println("7");

  283. 

  284.   //Insert Number 8

  285.   tft.setCursor(midColCursorX, thirdRowCursorY);

  286.   tft.println("8");

  287. 

  288.   //Insert Number 9

  289.   tft.setCursor(rightColCursorX, thirdRowCursorY);

  290.   tft.println("9");

  291. 

  292.   //Insert Number 0

  293.   tft.setCursor(leftColPositionX + BOXSIZE, fourthRowCursorY);

  294.   tft.println("0");

  295. 

  296.   //Insert Period Character

  297.   tft.setCursor(rightColCursorX, fourthRowCursorY);

  298.   tft.println(".");

  299. }
复制代码


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驴友花雕  中级技神
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发表于 2021-7-7 11:28:17

实验场景图

【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1
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驴友花雕  中级技神
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发表于 2021-7-7 18:05:46

本帖最后由 驴友花雕 于 2021-7-7 18:28 编辑

  【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十：串口打印触摸屏检测的数据

  1. /*

  2.   【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）

  3.   实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

  4.   项目二十：串口打印触摸屏检测的数据

  5.   模块直插，引脚用法如下：

  6.   LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK

  7.   Arduino Uno A3 A2 A1 A0 A4 10 11 12 13

  8.   LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7

  9.   Arduino Uno 8 9 2 3 4 5 6 7

  10. */

  11. 

  12. #include <stdint.h>

  13. #include "TouchScreen.h" //导入触摸驱动库

  14. 

  15. #define YP A2

  16. #define XM A1

  17. #define YM 6

  18. #define XP 7

  19. 

  20. // 为了更好的压力精度，我们需要知道阻力

  21. // 在 X+ 和 X- 之间使用任何万用表读取它

  22. // 对于我们使用的那个，它在 X 板上的 300 欧姆

  23. TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);

  24. 

  25. void setup(void) {

  26.   Serial.begin(9600);

  27. }

  28. 

  29. void loop(void) {

  30.   TSPoint p = ts.getPoint();

  31.   if (p.z > ts.pressureThreshhold) {

  32.     Serial.print("X = "); Serial.print(p.x);

  33.     Serial.print("\tY = "); Serial.print(p.y);

  34.     Serial.print("\tPressure = "); Serial.println(p.z);

  35.   }

  36.   delay(100);

  37. }
复制代码

TSPoint p = ts.getPoint(); 将长度（x）、宽度（y）和压力（z）存储到p对象。
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驴友花雕  中级技神
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发表于 2021-7-7 18:07:10

【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1

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驴友花雕  中级技神
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发表于 2021-7-7 19:17:43

Adafruit_TFTLCD库相关函数

  1. class Adafruit_TFTLCD : public Adafruit_GFX {

  2. 

  3. public:

  4.   Adafruit_TFTLCD(uint8_t cs, uint8_t cd, uint8_t wr, uint8_t rd, uint8_t rst);

  5.   Adafruit_TFTLCD(void);

  6. 

  7.   void begin(uint16_t id = 0x9325);

  8.   void drawPixel(int16_t x, int16_t y, uint16_t color);

  9.   void drawFastHLine(int16_t x0, int16_t y0, int16_t w, uint16_t color);

  10.   void drawFastVLine(int16_t x0, int16_t y0, int16_t h, uint16_t color);

  11.   void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t c);

  12.   void fillScreen(uint16_t color);

  13.   void reset(void);

  14.   void setRegisters8(uint8_t *ptr, uint8_t n);

  15.   void setRegisters16(uint16_t *ptr, uint8_t n);

  16.   void setRotation(uint8_t x);

  17. 

  18.   void setAddrWindow(int x1, int y1, int x2, int y2);

  19.   void pushColors(uint16_t *data, uint8_t len, boolean first);

  20. 

  21.   uint16_t color565(uint8_t r, uint8_t g, uint8_t b),

  22.       readPixel(int16_t x, int16_t y), readID(void);

  23.   uint32_t readReg(uint8_t r);

  24. 

  25. private:

  26.   void init(),
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驴友花雕  中级技神
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发表于 2021-7-7 19:23:55

1、创建对象

  1. Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);

  2. 

  3. void setup(void) {

  4.   tft.reset();

  5.   tft.begin(0x9341);

  6. }
复制代码

首先创建了一个Adafruit_TFTLCD对象，名为tft，管脚定义这里省去了。
begin方法中的0x9341表示改TFT LCD的驱动为ILI9341，其它的这里不做介绍

2、屏幕

  1. void fillScreen(uint16_t color);

  2. 

  3. uint16_t width();  //屏幕的宽度

  4. uint16_t height();  //屏幕的高度
复制代码

全屏填充颜色color，再次之前显示的内容会被挡住

案例

  1. tft.fillScreen(BLACK);

  2.   delay(1000);

  3.   tft.fillScreen(RED);

  4.   delay(1000);

  5.   tft.fillScreen(BLUE);

  6.    delay(1000);
复制代码

3、点

  1. void drawPixel(int16_t x, int16_t y, uint16_t color);
复制代码

在点（x，y）上画一个颜色为color的像素点。

案例

  1. tft.drawPixel(1,1,RED);

  2.   tft.drawPixel(10,10,RED);

  3.   tft.drawPixel(20,20,RED);

  4.   tft.drawPixel(40,40,RED);

  5.   tft.drawPixel(60,60,RED);
复制代码


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驴友花雕  中级技神
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发表于 2021-7-7 19:35:16

4、线

  1. void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);  

  2.   void drawFastHLine(int16_t x0, int16_t y0, int16_t w, uint16_t color);

  3.   void drawFastVLine(int16_t x0, int16_t y0, int16_t h, uint16_t color);
复制代码


最简单的是两点确定一条直线，当然也可以确定一个点、方向、长度，后两个是画水平线或者铅锤线。

案例

  1.  tft.drawFastHLine(10,10,170,RED);

  2.  tft.drawFastVLine(10,10,170,RED);

  3.  tft.drawLine(10,10,100,180,RED);
复制代码

5、矩形&&圆角矩形

  1. void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t c);

  2. void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t c);

  3. 

  4. void drawRoundRect(int16_t x, int16_t y, int16_t w, int16_t h, int16_t radius, uint16_t color);

  5. void fillRoundRect(int16_t x, int16_t y, int16_t w, int16_t h, int16_t radius, uint16_t color);
复制代码

drawRect的矩形直画出边框，内部不填充，如果需要内部填充颜色则需要使用fillRect

圆角矩形则是多了一个设置圆角半径的参数raduis，是否填充与上面一样。

案例

  1.    tft.drawRect(10,10,150,100,RED);

  2.    tft.fillRect(10,120,150,100,RED);

复制代码
  1.  tft.drawRoundRect(10,10,150,100,10,RED);

  2.  tft.fillRoundRect(10,120,150,100,10,RED);

复制代码

6、圆形

  1. void drawCircle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color);

  2. void fillCircle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color);

复制代码

这个就比较简单，圆心坐标（x0,y0）,半径r，颜色color

案例

  1.  tft.drawCircle(100,100,50,WHITE);

  2.  tft.fillCircle(100,260,50,BLUE);
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驴友花雕  中级技神
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发表于 2021-7-7 19:45:30

7、三角形

  1. void drawTriangle(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color);

  2. void fillTriangle(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color);

复制代码

三角形需要确定三个顶点以及颜色

案例

  1.  tft.drawTriangle(10,10,100,15,180,100,GREEN);

  2.  tft.fillTriangle(10,110,100,115,180,200,GREEN);

复制代码

8、字符&&英文文本

  1. void drawChar(uint16_t x, uint16_t y, char c, uint16_t color, uint16_t bg, uint8_t size);

  2. 

  3. void setCursor(uint16_t x0, uint16_t y0);  //字体左上角顶点坐标

  4. void setTextColor(uint16_t color); //字体前景色

  5. void setTextColor(uint16_t color, uint16_t backgroundcolor);//字体前景色与背景色

  6. void setTextSize(uint8_t size);  //字体大小放法因子

  7. void setTextWrap(boolean w);        //是否自动换行，默认为true，滚动显示设置为false

复制代码

drawChar只能显示单个字符，需要确定左上角顶点坐标(x,y)，字符c，颜色color，前景色color，背景色bg，大小size，大小为1时表示5 * 8像素，为2就表示10 * 16

自定义字体不支持背景色，可在此之前绘制填充颜色的形状，如圆角矩形

案例

  1. tft.fillScreen(GREEN);

  2.  tft.drawChar(150,10,'A',RED,WHITE,5);

  3. 

  4.  tft.setCursor(10,50);

  5.  tft.print("AB 3.14");    //默认前景色white、无背景色、大小为1

  6. 

  7.  tft.setCursor(10,80);

  8.  tft.setTextSize( 4);

  9.  tft.print("AB 3.14");

  10.  

  11.  tft.setCursor(10,115);

  12.  tft.setTextColor(RED); //背景色不做设置

  13.  tft.setTextSize( 4);

  14.  tft.print("AB你好3.141516");

  15. 

  16.   tft.setCursor(10,180);

  17.   tft.setTextColor(RED, WHITE);

  18.  tft.setTextSize( 4);

  19.  tft.setTextWrap(false);

  20.  tft.print("AB你好3.141516");

复制代码

可以看到默认的字体不支持中文，需要使用中文的改日再补上

9、旋转

  1. void setRotation(uint8_t rotation);

复制代码

旋转参数可以是0、1、2或3，分别对应0,90,180或270度。

对于属于Arduino屏蔽的显示，旋转值0将显示设置为竖屏(高)模式，旋转值2也是纵向模式，。旋转1是横屏模式，，而旋转3也是横屏模式。

案例

  1.  //tft.setRotation(1); //注释和未注释的情况下做对比

  2. 

  3.  tft.fillScreen(GREEN);

  4.  tft.drawChar(150,10,'A',RED,WHITE,5);

  5. 

  6.  tft.setCursor(10,50);

  7.  tft.print("AB 3.14");    //默认前景色white、无背景色、大小为1

  8. 

  9.  tft.setCursor(10,80);

  10.  tft.setTextSize( 4);

  11.  tft.print("AB 3.14");

  12.  

  13.  tft.setCursor(10,115);

  14.  tft.setTextColor(RED); //背景色不做设置

  15.  tft.setTextSize( 4);

  16.  tft.print("AB你好3.141516");

  17. 

  18.   tft.setCursor(10,180);

  19.   tft.setTextColor(RED, WHITE);

  20.  tft.setTextSize( 4);

  21.  tft.setTextWrap(false);

  22.  tft.print("AB你好3.141516");

复制代码



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驴友花雕  中级技神
 楼主|

发表于 2021-7-7 20:30:44

  【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十一：几何图形的点线面循环

  1. /*

  2.   【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）

  3.   实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

  4.   项目二十一：几何图形的点线面循环

  5.   模块直插，引脚用法如下：

  6.   LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK

  7.   Arduino Uno A3 A2 A1 A0 A4 10 11 12 13

  8.   LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7

  9.   Arduino Uno 8 9 2 3 4 5 6 7

  10. */

  11. 

  12. #include <Adafruit_GFX.h>    // Core graphics library

  13. #include <Adafruit_TFTLCD.h> // Hardware-specific library

  14. #include <TouchScreen.h>

  15. 

  16. #define LCD_CS A3

  17. #define LCD_CD A2

  18. #define LCD_WR A1

  19. #define LCD_RD A0

  20. #define LCD_RESET A4

  21. 

  22. Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);

  23. 

  24. #define BLACK   0x0000

  25. #define BLUE    0x001F

  26. #define RED     0xF800

  27. #define GREEN   0x07E0

  28. #define WHITE   0xFFFF

  29. 

  30. void setup(void) {

  31.   tft.reset();

  32.   tft.begin(0x9341);

  33.   tft.fillScreen(BLACK);

  34. }

  35. 

  36. void loop() {

  37.   // 点

  38.   tft.drawPixel(1, 1, RED);

  39.   tft.drawPixel(10, 10, RED);

  40.   tft.drawPixel(20, 20, RED);

  41.   tft.drawPixel(40, 40, RED);

  42.   tft.drawPixel(60, 60, RED);

  43.   delay(500);

  44.   // 线

  45.   tft.drawFastHLine(10, 10, 170, RED);

  46.   tft.drawFastVLine(10, 10, 170, RED);

  47.   tft.drawLine(10, 10, 100, 180, RED);

  48.   delay(500);

  49.   // 矩形

  50.   tft.drawRect(10, 10, 150, 100, RED);

  51.   tft.fillRect(10, 120, 150, 100, RED);

  52.   delay(500);

  53.   // 圆角矩形

  54.   tft.drawRoundRect(10, 10, 150, 100, 10, RED);

  55.   tft.fillRoundRect(10, 120, 150, 100, 10, RED);

  56.   delay(500);

  57.   //  圆形

  58.   tft.drawCircle(100, 100, 50, WHITE);

  59.   tft.fillCircle(100, 260, 50, BLUE);

  60.   delay(500);

  61.   //  三角形

  62.   tft.drawTriangle(10, 10, 100, 15, 180, 100, GREEN);

  63.   tft.fillTriangle(10, 110, 100, 115, 180, 200, GREEN);

  64.   delay(500);

  65.   //旋转

  66.   tft.setRotation(0);

  67.   delay(500);

  68.   //字符与文本

  69.   tft.fillScreen(GREEN);

  70.   tft.drawChar(150, 10, 'A', RED, WHITE, 5);

  71.   tft.setCursor(10, 50);

  72.   tft.print("AB 3.14");    //默认前景色white、无背景色、大小为1

  73.   tft.setCursor(10, 80);

  74.   tft.setTextSize( 4);

  75.   tft.print("AB 3.14");

  76.   tft.setCursor(10, 115);

  77.   tft.setTextColor(RED); //背景色不做设置

  78.   tft.setTextSize( 4);

  79.   tft.print("AB 3.141516");

  80.   tft.setCursor(10, 180);

  81.   tft.setTextColor(RED, WHITE);

  82.   tft.setTextSize( 4);

  83.   tft.setTextWrap(false);

  84.   tft.print("AB 3.141516");

  85.   delay(500);

  86.   //屏幕

  87.   tft.fillScreen(BLACK);

  88.   delay(1000);

  89.   tft.fillScreen(GREEN);

  90.   delay(1000);

  91.   //旋转

  92.   tft.setRotation(1);

  93.   delay(500);

  94.   tft.fillScreen(RED);

  95.   delay(1000);

  96.   tft.fillScreen(BLUE);

  97.   delay(1000);

  98.   //旋转

  99.   tft.setRotation(2);

  100.   delay(500);

  101.   tft.fillScreen(BLACK);

  102.   delay(1000);

  103.   //旋转

  104.   tft.setRotation(0);

  105.   delay(500);

  106. }
复制代码


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驴友花雕  中级技神
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发表于 2021-7-8 06:55:42

【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十一：几何图形的点线面循环

实验动态图 【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1

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驴友花雕  中级技神
 楼主|

发表于 2021-7-8 07:02:57

【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十一：几何图形的点线面循环

实验动态图 【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1

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驴友花雕  中级技神
 楼主|

发表于 2021-7-8 07:55:10

  【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十二：使用 Arduino 2.4 触摸屏创建简易绘画应用程序
  实验开源代码

  1. /*

  2.   【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）

  3.   实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

  4.   项目二十二：使用 Arduino 2.4 触摸屏创建简易绘画应用程序

  5.   模块直插，引脚用法如下：

  6.   LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK

  7.   Arduino Uno A3 A2 A1 A0 A4 10 11 12 13

  8.   LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7

  9.   Arduino Uno 8 9 2 3 4 5 6 7

  10. */

  11. 

  12. #include <Adafruit_GFX.h>

  13. #include <Adafruit_TFTLCD.h>

  14. #include <TouchScreen.h>

  15. 

  16. #if defined(__SAM3X8E__)

  17. #undef __FlashStringHelper::F(string_literal)

  18. #define F(string_literal) string_literal

  19. #endif

  20. #define YP A2

  21. #define XM A1

  22. #define YM 6

  23. #define XP 7

  24. 

  25. #define TS_MINX 150

  26. #define TS_MINY 120

  27. #define TS_MAXX 920

  28. #define TS_MAXY 940

  29. TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);

  30. 

  31. #define LCD_CS A3

  32. #define LCD_CD A2

  33. #define LCD_WR A1

  34. #define LCD_RD A0

  35. #define LCD_RESET A4

  36. 

  37. #define BLACK   0x0000

  38. #define BLUE    0x001F

  39. #define RED     0xF800

  40. #define GREEN   0x07E0

  41. #define CYAN    0x07FF

  42. #define MAGENTA 0xF81F

  43. #define YELLOW  0xFFE0

  44. #define WHITE   0xFFFF

  45. 

  46. Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);

  47. #define BOXSIZE 40

  48. #define PENRADIUS 3

  49. int oldcolor, currentcolor;

  50. 

  51. void setup(void) {

  52.   Serial.begin(9600);

  53.   tft.reset();

  54.   tft.begin(0x9341);

  55.   tft.fillScreen(BLACK);

  56. 

  57.   tft.fillRect(0, 0, BOXSIZE, BOXSIZE, RED);

  58.   tft.fillRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, YELLOW);

  59.   tft.fillRect(BOXSIZE * 2, 0, BOXSIZE, BOXSIZE, GREEN);

  60.   tft.fillRect(BOXSIZE * 3, 0, BOXSIZE, BOXSIZE, CYAN);

  61.   tft.fillRect(BOXSIZE * 4, 0, BOXSIZE, BOXSIZE, BLUE);

  62.   tft.fillRect(BOXSIZE * 5, 0, BOXSIZE, BOXSIZE, MAGENTA);

  63.   tft.drawRect(0, 0, BOXSIZE, BOXSIZE, WHITE);

  64.   currentcolor = RED;

  65.   pinMode(13, OUTPUT);

  66. }

  67. 

  68. #define MINPRESSURE 10

  69. #define MAXPRESSURE 1000

  70. 

  71. void loop() {

  72.   digitalWrite(13, HIGH);

  73.   TSPoint p = ts.getPoint();

  74.   digitalWrite(13, LOW);

  75.   pinMode(XM, OUTPUT);

  76.   pinMode(YP, OUTPUT);

  77.   if (p.z > MINPRESSURE && p.z < MAXPRESSURE) {

  78.     if (p.y < (TS_MINY - 5)) {

  79.       tft.fillRect(0, BOXSIZE, tft.width(), tft.height() - BOXSIZE, BLACK);

  80.     }

  81.     p.x = map(p.x, TS_MINX, TS_MAXX, tft.width(), 0);

  82.     p.y = map(p.y, TS_MINY, TS_MAXY, tft.height(), 0);

  83.     if (p.y < BOXSIZE) {

  84.       oldcolor = currentcolor;

  85.       if (p.x < BOXSIZE) {

  86.         currentcolor = RED;

  87.         tft.drawRect(0, 0, BOXSIZE, BOXSIZE, WHITE);

  88.       } else if (p.x < BOXSIZE * 2) {

  89.         currentcolor = YELLOW;

  90.         tft.drawRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, WHITE);

  91.       } else if (p.x < BOXSIZE * 3) {

  92.         currentcolor = GREEN;

  93.         tft.drawRect(BOXSIZE * 2, 0, BOXSIZE, BOXSIZE, WHITE);

  94.       } else if (p.x < BOXSIZE * 4) {

  95.         currentcolor = CYAN;

  96.         tft.drawRect(BOXSIZE * 3, 0, BOXSIZE, BOXSIZE, WHITE);

  97.       } else if (p.x < BOXSIZE * 5) {

  98.         currentcolor = BLUE;

  99.         tft.drawRect(BOXSIZE * 4, 0, BOXSIZE, BOXSIZE, WHITE);

  100.       } else if (p.x < BOXSIZE * 6) {

  101.         currentcolor = MAGENTA;

  102.         tft.drawRect(BOXSIZE * 5, 0, BOXSIZE, BOXSIZE, WHITE);

  103.       } if (oldcolor != currentcolor) {

  104.         if (oldcolor == RED) tft.fillRect(0, 0, BOXSIZE, BOXSIZE, RED);

  105.         if (oldcolor == YELLOW) tft.fillRect(BOXSIZE, 0, BOXSIZE, BOXSIZE, YELLOW);

  106.         if (oldcolor == GREEN) tft.fillRect(BOXSIZE * 2, 0, BOXSIZE, BOXSIZE, GREEN);

  107.         if (oldcolor == CYAN) tft.fillRect(BOXSIZE * 3, 0, BOXSIZE, BOXSIZE, CYAN);

  108.         if (oldcolor == BLUE) tft.fillRect(BOXSIZE * 4, 0, BOXSIZE, BOXSIZE, BLUE);

  109.         if (oldcolor == MAGENTA) tft.fillRect(BOXSIZE * 5, 0, BOXSIZE, BOXSIZE, MAGENTA);

  110.       }

  111.     } if (((p.y - PENRADIUS) > BOXSIZE) && ((p.y + PENRADIUS) < tft.height())) {

  112.       tft.fillCircle(p.x, p.y, PENRADIUS, currentcolor);

  113.     }

  114.   }

  115.   tft.setRotation(3);

  116. }
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驴友花雕  中级技神
 楼主|

发表于 2021-7-8 07:59:32

  【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十二：使用 Arduino 2.4 触摸屏创建简易绘画应用程序

实验场景图


【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1
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驴友花雕  中级技神
 楼主|

发表于 2021-7-8 08:37:47

  【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十三：两个按钮的极简开关板
  实验开源代码

  1. /*

  2.   【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）

  3.   实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

  4.   项目二十三：两个按钮的极简开关板

  5.   模块直插，引脚用法如下：

  6.   LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK

  7.   Arduino Uno A3 A2 A1 A0 A4 10 11 12 13

  8.   LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7

  9.   Arduino Uno 8 9 2 3 4 5 6 7

  10. */

  11. 

  12. #if 1

  13. #include <Adafruit_GFX.h>

  14. #include <MCUFRIEND_kbv.h>

  15. MCUFRIEND_kbv tft;

  16. #include <TouchScreen.h>

  17. 

  18. #define MINPRESSURE 200

  19. #define MAXPRESSURE 1000

  20. 

  21. // 所有触摸屏和接线都是不同的

  22. const int XP = 6, XM = A2, YP = A1, YM = 7; //ID=0x9341

  23. const int TS_LEFT = 907, TS_RT = 136, TS_TOP = 942, TS_BOT = 139;

  24. 

  25. TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);

  26. 

  27. Adafruit_GFX_Button on_btn, off_btn;

  28. 

  29. int pixel_x, pixel_y;     //更新全局变量

  30. 

  31. bool Touch_getXY(void) {

  32.   TSPoint p = ts.getPoint();

  33.   pinMode(YP, OUTPUT);      //恢复共享引脚

  34.   pinMode(XM, OUTPUT);

  35.   digitalWrite(YP, HIGH);   //因为 TFT 控制引脚

  36.   digitalWrite(XM, HIGH);

  37.   bool pressed = (p.z > MINPRESSURE && p.z < MAXPRESSURE);

  38.   if (pressed) {

  39.     pixel_x = map(p.x, TS_LEFT, TS_RT, 0, tft.width()); //kbv 对我有意义

  40.     pixel_y = map(p.y, TS_TOP, TS_BOT, 0, tft.height());

  41.   }

  42.   return pressed;

  43. }

  44. 

  45. #define BLACK   0x0000

  46. #define BLUE    0x001F

  47. #define RED     0xF800

  48. #define GREEN   0x07E0

  49. #define CYAN    0x07FF

  50. #define MAGENTA 0xF81F

  51. #define YELLOW  0xFFE0

  52. #define WHITE   0xFFFF

  53. 

  54. void setup(void) {

  55.   Serial.begin(9600);

  56.   tft.reset();

  57.   tft.begin(0x9341);

  58.   tft.fillScreen(BLACK);

  59.   tft.setRotation(2); // 翻转180度，对应硬件

  60.   delay(500);

  61.   on_btn.initButton(&tft,  60, 200, 100, 40, WHITE, CYAN, BLACK, "ON", 2);

  62.   off_btn.initButton(&tft, 180, 200, 100, 40, WHITE, CYAN, BLACK, "OFF", 2);

  63.   on_btn.drawButton(false);

  64.   off_btn.drawButton(false);

  65.   tft.fillRect(40, 80, 160, 80, RED);

  66. }

  67. 

  68. // 两个按钮很简单

  69. void loop(void) {

  70.   bool down = Touch_getXY();

  71.   on_btn.press(down && on_btn.contains(pixel_x, pixel_y));

  72.   off_btn.press(down && off_btn.contains(pixel_x, pixel_y));

  73.   if (on_btn.justReleased())

  74.     on_btn.drawButton();

  75.   if (off_btn.justReleased())

  76.     off_btn.drawButton();

  77.   if (on_btn.justPressed()) {

  78.     on_btn.drawButton(true);

  79.     tft.fillRect(40, 80, 160, 80, GREEN);

  80.   }

  81.   if (off_btn.justPressed()) {

  82.     off_btn.drawButton(true);

  83.     tft.fillRect(40, 80, 160, 80, RED);

  84.   }

  85. }

  86. #endif
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驴友花雕  中级技神
 楼主|

发表于 2021-7-8 08:48:02

本帖最后由 驴友花雕 于 2021-7-8 08:52 编辑

【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十三：两个按钮的极简开关板

  实验场景图 【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1

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驴友花雕  中级技神
 楼主|

发表于 2021-7-8 09:30:02

  【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十四：动态环形百分比图表
  实验开源代码

  1. /*

  2.   【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）

  3.   实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

  4.   项目二十四：动态环形百分比图表

  5.   模块直插，引脚用法如下：

  6.   LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK

  7.   Arduino Uno A3 A2 A1 A0 A4 10 11 12 13

  8.   LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7

  9.   Arduino Uno 8 9 2 3 4 5 6 7

  10. */

  11. 

  12. #include "Adafruit_GFX.h"

  13. #include "MCUFRIEND_kbv.h"

  14. #include "Temperature.h"

  15. 

  16. MCUFRIEND_kbv tft;

  17. 

  18. #define PI 3.1415926535897932384626433832795

  19. 

  20. int n, f;

  21. int j, j2;

  22. int i, i2;

  23. int pct = 0;

  24. int d[5] = {10, 60, 16, 9, 10};

  25. uint16_t col[5] = {0x7006, 0xF986, 0x6905, 0x7FF7, 0x024D};

  26. 

  27. void setup() {

  28.   tft.reset();

  29.   Serial.begin(9600);

  30.   tft.begin(0x9341);

  31.   tft.invertDisplay(true);

  32.   tft.setTextSize(2);

  33. }

  34. 

  35. void loop() {

  36.   tft.fillScreen(0x0042);

  37.   tft.setRotation(1);

  38. 

  39.   for (int p = 0; p < 4000; p++) {

  40.     j = 120 * (sin(PI * p / 2000));

  41.     i = 120 * (cos(PI * p / 2000));

  42.     j2 = 60 * (sin(PI * p / 2000));

  43.     i2 = 60 * (cos(PI * p / 2000));

  44.     tft.drawLine(i2 + 160, j2 + 160, i + 160, j + 160, col[n]);

  45.   }

  46.   n = 0;

  47.   for (int a = 0; a < 5; a++) {

  48.     pct += d[n] * 40;

  49.     f = 4000 - pct;

  50. 

  51.     for (int b = 0; b < f; b++) {

  52.       j = 120 * (sin(PI * b / 2000));

  53.       i = 120 * (cos(PI * b / 2000));

  54.       j2 = 60 * (sin(PI * b / 2000));

  55.       i2 = 60 * (cos(PI * b / 2000));

  56.       tft.drawLine(i2 + 160, j2 + 160, i + 160, j + 160, col[n + 1]);

  57.     }

  58.     tft.fillCircle(380, 100 + (30 * n), 10,  col[n]);

  59.     tft.setTextColor(0xffff);

  60.     tft.setCursor(400, 94 + (30 * n));

  61.     tft.print(d[n]); tft.print("%");

  62.     n++;

  63.   }

  64.   while (1);

  65. }
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驴友花雕  中级技神
 楼主|

发表于 2021-7-8 09:32:08

本帖最后由 驴友花雕 于 2021-7-8 10:13 编辑

  【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十四：动态环形百分比图表

  实验场景图 【Arduino】168种传感器模块系列实验（165）---2.4寸TFT液晶触...图1

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驴友花雕  中级技神
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发表于 2021-7-8 10:00:47

【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
  实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏
  项目二十五：显示触摸屏电话面板
  实验开源代码

  1. /*

  2.   【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）

  3.   实验一百六十五：2.4寸TFT液晶触摸屏 彩屏模块 TFT-LCD 高清真彩显示屏

  4.   项目二十五：显示触摸屏电话面板

  5.   模块直插，引脚用法如下：

  6.   LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK

  7.   Arduino Uno A3 A2 A1 A0 A4 10 11 12 13

  8.   LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7

  9.   Arduino Uno 8 9 2 3 4 5 6 7

  10. */

  11. 

  12. #include <TouchScreen.h> //导入触摸库

  13. #include <LCDWIKI_GUI.h> //Core graphics library

  14. #include <LCDWIKI_KBV.h> //Hardware-specific library

  15. 

  16. //if the IC model is known or the modules is unreadable,you can use this constructed function

  17. LCDWIKI_KBV my_lcd(ILI9341, A3, A2, A1, A0, A4); //model,cs,cd,wr,rd,reset

  18. //if the IC model is not known and the modules is readable,you can use this constructed function

  19. //LCDWIKI_KBV my_lcd(240,320,A3,A2,A1,A0,A4);//width,height,cs,cd,wr,rd,reset

  20. 

  21. /*  r     g    b */

  22. #define BLACK        0x0000  /*   0,   0,   0 */

  23. #define BLUE         0x001F  /*   0,   0, 255 */

  24. #define RED          0xF800  /* 255,   0,   0 */

  25. #define GREEN        0x07E0  /*   0, 255,   0 */

  26. #define CYAN         0x07FF  /*   0, 255, 255 */

  27. #define MAGENTA      0xF81F  /* 255,   0, 255 */

  28. #define YELLOW       0xFFE0  /* 255, 255,   0 */

  29. #define WHITE        0xFFFF  /* 255, 255, 255 */

  30. #define NAVY         0x000F  /*   0,   0, 128 */

  31. #define DARKGREEN    0x03E0  /*   0, 128,   0 */

  32. #define DARKCYAN     0x03EF  /*   0, 128, 128 */

  33. #define MAROON       0x7800  /* 128,   0,   0 */

  34. #define PURPLE       0x780F  /* 128,   0, 128 */

  35. #define OLIVE        0x7BE0  /* 128, 128,   0 */

  36. #define LIGHTGREY    0xC618  /* 192, 192, 192 */

  37. #define DARKGREY     0x7BEF  /* 128, 128, 128 */

  38. #define ORANGE       0xFD20  /* 255, 165,   0 */

  39. #define GREENYELLOW  0xAFE5  /* 173, 255,  47 */

  40. #define PINK         0xF81F  /* 255,   0, 255 */

  41. 

  42. /******************* UI details */

  43. #define BUTTON_R 25 //the radius of button 

  44. #define BUTTON_SPACING_X 25 //the horizontal distance between button

  45. #define BUTTON_SPACING_Y 5  //the vertical distance between button

  46. #define EDG_Y 5 //lower edge distance 

  47. #define EDG_X 20 //left and right distance

  48. 

  49. #define YP A2  // must be an analog pin, use "An" notation!

  50. #define XM A1  // must be an analog pin, use "An" notation!

  51. #define YM 6   // can be a digital pin

  52. #define XP 7   // can be a digital pin

  53. 

  54. //X 的触摸灵敏度

  55. #define TS_MINX 124

  56. #define TS_MAXX 906

  57. 

  58. //Y 的触摸灵敏度

  59. #define TS_MINY 83

  60. #define TS_MAXY 893

  61. 

  62. // 有一个状态行，例如 FONA 是否在工作

  63. #define STATUS_X 10

  64. #define STATUS_Y 65

  65. 

  66. //按下时的触摸灵敏度

  67. #define MINPRESSURE 10

  68. #define MAXPRESSURE 1000

  69. 

  70. TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);

  71. 

  72. typedef struct _button_info {

  73.   uint8_t button_name[10];

  74.   uint8_t button_name_size;

  75.   uint16_t button_name_colour;

  76.   uint16_t button_colour;

  77.   uint16_t button_x;

  78.   uint16_t button_y;

  79. } button_info;

  80. 

  81. //按钮的定义

  82. button_info phone_button[15] = {

  83.   "1", 3, BLACK, CYAN, EDG_X + BUTTON_R - 1, my_lcd.Get_Display_Height() - EDG_Y - 4 * BUTTON_SPACING_Y - 9 * BUTTON_R - 1,

  84.   "2", 3, BLACK, CYAN, EDG_X + 3 * BUTTON_R + BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - 4 * BUTTON_SPACING_Y - 9 * BUTTON_R - 1,

  85.   "3", 3, BLACK, CYAN, EDG_X + 5 * BUTTON_R + 2 * BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - 4 * BUTTON_SPACING_Y - 9 * BUTTON_R - 1,

  86.   "4", 3, BLACK, CYAN, EDG_X + BUTTON_R - 1, my_lcd.Get_Display_Height() - EDG_Y - 3 * BUTTON_SPACING_Y - 7 * BUTTON_R - 1,

  87.   "5", 3, BLACK, CYAN, EDG_X + 3 * BUTTON_R + BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - 3 * BUTTON_SPACING_Y - 7 * BUTTON_R - 1,

  88.   "6", 3, BLACK, CYAN, EDG_X + 5 * BUTTON_R + 2 * BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - 3 * BUTTON_SPACING_Y - 7 * BUTTON_R - 1,

  89.   "7", 3, BLACK, CYAN, EDG_X + BUTTON_R - 1, my_lcd.Get_Display_Height() - EDG_Y - 2 * BUTTON_SPACING_Y - 5 * BUTTON_R - 1,

  90.   "8", 3, BLACK, CYAN, EDG_X + 3 * BUTTON_R + BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - 2 * BUTTON_SPACING_Y - 5 * BUTTON_R - 1,

  91.   "9", 3, BLACK, CYAN, EDG_X + 5 * BUTTON_R + 2 * BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - 2 * BUTTON_SPACING_Y - 5 * BUTTON_R - 1,

  92.   "*", 3, BLACK, PINK, EDG_X + BUTTON_R - 1, my_lcd.Get_Display_Height() - EDG_Y - BUTTON_SPACING_Y - 3 * BUTTON_R - 1,

  93.   "0", 3, BLACK, CYAN, EDG_X + 3 * BUTTON_R + BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - BUTTON_SPACING_Y - 3 * BUTTON_R - 1,

  94.   "#", 3, BLACK, PINK, EDG_X + 5 * BUTTON_R + 2 * BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - BUTTON_SPACING_Y - 3 * BUTTON_R - 1,

  95.   "end", 2, BLACK, RED, EDG_X + BUTTON_R - 1, my_lcd.Get_Display_Height() - EDG_Y - BUTTON_R - 1,

  96.   "call", 2, BLACK, GREEN, EDG_X + 3 * BUTTON_R + BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - BUTTON_R - 1,

  97.   "dele", 2, BLACK, LIGHTGREY, EDG_X + 5 * BUTTON_R + 2 * BUTTON_SPACING_X - 1, my_lcd.Get_Display_Height() - EDG_Y - BUTTON_R - 1,

  98. };

  99. 

  100. //显示字符串

  101. void show_string(uint8_t *str, int16_t x, int16_t y, uint8_t csize, uint16_t fc, uint16_t bc, boolean mode) {

  102.   my_lcd.Set_Text_Mode(mode);

  103.   my_lcd.Set_Text_Size(csize);

  104.   my_lcd.Set_Text_colour(fc);

  105.   my_lcd.Set_Text_Back_colour(bc);

  106.   my_lcd.Print_String(str, x, y);

  107. }

  108. 

  109. //检查是否按下

  110. boolean is_pressed(int16_t x1, int16_t y1, int16_t x2, int16_t y2, int16_t px, int16_t py) {

  111.   if ((px > x1 && px < x2) && (py > y1 && py < y2))

  112.   {

  113.     return true;

  114.   }

  115.   else

  116.   {

  117.     return false;

  118.   }

  119. }

  120. 

  121. //显示主菜单

  122. void show_menu(void)

  123. {

  124.   uint16_t i;

  125.   for (i = 0; i < sizeof(phone_button) / sizeof(button_info); i++)

  126.   {

  127.     my_lcd.Set_Draw_color(phone_button[i].button_colour);

  128.     my_lcd.Fill_Circle(phone_button[i].button_x, phone_button[i].button_y, BUTTON_R);

  129.     show_string(phone_button[i].button_name, phone_button[i].button_x - strlen(phone_button[i].button_name)*phone_button[i].button_name_size * 6 / 2 + 1, phone_button[i].button_y - phone_button[i].button_name_size * 8 / 2 + 1, phone_button[i].button_name_size, phone_button[i].button_name_colour, BLACK, 1);

  130.   }

  131.   my_lcd.Set_Draw_color(BLACK);

  132.   my_lcd.Fill_Rectangle(1, 1, my_lcd.Get_Display_Width() - 2, 3);

  133.   my_lcd.Fill_Rectangle(1, 29, my_lcd.Get_Display_Width() - 2, 31);

  134.   my_lcd.Fill_Rectangle(1, 1, 3, 31);

  135.   my_lcd.Fill_Rectangle(my_lcd.Get_Display_Width() - 4, 1, my_lcd.Get_Display_Width() - 2, 31);

  136. }

  137. 

  138. void setup(void) {

  139.   Serial.begin(9600);

  140.   my_lcd.Init_LCD();

  141.   Serial.println(my_lcd.Read_ID(), HEX);

  142.   my_lcd.Fill_Screen(BLUE);

  143.   show_menu();

  144. }

  145. 

  146. uint16_t text_x = 10, text_y = 6, text_x_add = 6 * phone_button[0].button_name_size, text_y_add = 8 * phone_button[0].button_name_size;

  147. uint16_t n = 0;

  148. 

  149. void loop(void) {

  150.   uint16_t i;

  151.   digitalWrite(13, HIGH);

  152.   TSPoint p = ts.getPoint();

  153.   digitalWrite(13, LOW);

  154. 

  155.   pinMode(XM, OUTPUT);

  156.   pinMode(YP, OUTPUT);

  157.   if (p.z > MINPRESSURE && p.z < MAXPRESSURE)

  158.   {

  159.     //p.x = my_lcd.Get_Display_Width()-map(p.x, TS_MINX, TS_MAXX, my_lcd.Get_Display_Width(), 0);

  160.     //p.y = my_lcd.Get_Display_Height()-map(p.y, TS_MINY, TS_MAXY, my_lcd.Get_Display_Height(), 0);

  161.     p.x = map(p.x, TS_MINX, TS_MAXX, 0, my_lcd.Get_Display_Width());

  162.     p.y = map(p.y, TS_MINY, TS_MAXY, 0, my_lcd.Get_Display_Height());

  163.     // }

  164.     for (i = 0; i < sizeof(phone_button) / sizeof(button_info); i++) {

  165.       //按下按钮

  166.       if (is_pressed(phone_button[i].button_x - BUTTON_R, phone_button[i].button_y - BUTTON_R, phone_button[i].button_x + BUTTON_R, phone_button[i].button_y + BUTTON_R, p.x, p.y))

  167.       {

  168.         my_lcd.Set_Draw_color(DARKGREY);

  169.         my_lcd.Fill_Circle(phone_button[i].button_x, phone_button[i].button_y, BUTTON_R);

  170.         show_string(phone_button[i].button_name, phone_button[i].button_x - strlen(phone_button[i].button_name)*phone_button[i].button_name_size * 6 / 2 + 1, phone_button[i].button_y - phone_button[i].button_name_size * 8 / 2 + 1, phone_button[i].button_name_size, WHITE, BLACK, 1);

  171.         delay(100);

  172.         my_lcd.Set_Draw_color(phone_button[i].button_colour);

  173.         my_lcd.Fill_Circle(phone_button[i].button_x, phone_button[i].button_y, BUTTON_R);

  174.         show_string(phone_button[i].button_name, phone_button[i].button_x - strlen(phone_button[i].button_name)*phone_button[i].button_name_size * 6 / 2 + 1, phone_button[i].button_y - phone_button[i].button_name_size * 8 / 2 + 1, phone_button[i].button_name_size, phone_button[i].button_name_colour, BLACK, 1);

  175.         if (i < 12)

  176.         {

  177.           if (n < 13)

  178.           {

  179.             show_string(phone_button[i].button_name, text_x, text_y, phone_button[i].button_name_size, GREENYELLOW, BLACK, 1);

  180.             text_x += text_x_add - 1;

  181.             n++;

  182.           }

  183.         }

  184.         else if (12 == i) //节目通话结束

  185.         {

  186.           my_lcd.Set_Draw_color(BLUE);

  187.           my_lcd.Fill_Rectangle(0, 33, my_lcd.Get_Display_Width() - 1, 42);

  188.           show_string("Calling ended", CENTER, 33, 1, OLIVE, BLACK, 1);

  189.         }

  190.         else if (13 == i) //显示呼叫

  191.         {

  192.           my_lcd.Set_Draw_color(BLUE);

  193.           my_lcd.Fill_Rectangle(0, 33, my_lcd.Get_Display_Width() - 1, 42);

  194.           show_string("Calling...", CENTER, 33, 1, OLIVE, BLACK, 1);

  195.         }

  196.         else if (14 == i) //删除按钮

  197.         {

  198.           if (n > 0)

  199.           {

  200.             my_lcd.Set_Draw_color(BLUE);

  201.             text_x -= (text_x_add - 1);

  202.             my_lcd.Fill_Rectangle(text_x, text_y, text_x + text_x_add - 1, text_y + text_y_add - 2);

  203.             n--;

  204.           }

  205.         }

  206.       }

  207.     }

  208.   }

  209. }
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