//Arduino Touch Screen Calculator
#include <SPFD5408_Adafruit_GFX.h> // Core graphics library
#include <SPFD5408_Adafruit_TFTLCD.h> // Hardware-specific library
#include <SPFD5408_TouchScreen.h>
/*______End of Libraries_______*/
/*______Define LCD pins (I have asigned the default values)_`enter code here`______*/
#define YP A1 // must be an analog pin, use "An" notation!
#define XM A2 // must be an analog pin, use "An" notation!
#define YM 7 // can be a digital pin
#define XP 6 // can be a digital pin
#define LCD_CS A3
#define LCD_CD A2
#define LCD_WR A1
#define LCD_RD A0
#define LCD_RESET A4
/*_______End of defanitions______*/
/*______Assign names to colors and pressure_______*/
#define WHITE 0x0000 //Black->White
#define YELLOW 0x001F //Blue->Yellow
#define CYAN 0xF800 //Red->Cyan
#define PINK 0x07E0 //Green-> Pink
#define RED 0x07FF //Cyan -> Red
#define GREEN 0xF81F //Pink -> Green
#define BLUE 0xFFE0 //Yellow->Blue
#define BLACK 0xFFFF //White-> Black
#define MINPRESSURE 10
#define MAXPRESSURE 1000
/*_______Assigned______*/
/*____Calibrate TFT LCD_____*/
#define TS_MINX 125
#define TS_MINY 85
#define TS_MAXX 965
#define TS_MAXY 905
/*______End of Calibration______*/
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300); //300 is the sensitivity
Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET); //Start communication with LCD
String symbol[4][4] = {
{ "7", "8", "9", "/" },
{ "4", "5", "6", "*" },
{ "1", "2", "3", "-" },
{ "C", "0", "=", "+" }
};
int X,Y;
long Num1,Num2,Number;
char action;
boolean result = false;
void setup() {
Serial.begin(9600); //Use serial monitor for debugging
tft.reset(); //Always reset at start
tft.begin(0x9341); // My LCD uses LIL9341 Interface driver IC
tft.setRotation(2); // I just roated so that the power jack faces up - optional
tft.fillScreen(WHITE);
IntroScreen();
draw_BoxNButtons();
}
void loop() {
TSPoint p = waitTouch();
X = p.y; Y = p.x;
// Serial.print(X); Serial.print(','); Serial.println(Y);// + " " + Y);
DetectButtons();
if (result==true)
CalculateResult();
DisplayResult();
delay(300);
}
TSPoint waitTouch() {
TSPoint p;
do {
p = ts.getPoint();
pinMode(XM, OUTPUT);
pinMode(YP, OUTPUT);
} while((p.z < MINPRESSURE )|| (p.z > MAXPRESSURE));
p.x = map(p.x, TS_MINX, TS_MAXX, 0, 320);
p.y = map(p.y, TS_MINY, TS_MAXY, 0, 240);;
return p;
}
void DetectButtons()
{
if (X<50 && X>0) //Detecting Buttons on Column 1
{
if (Y>0 && Y<85) //If cancel Button is pressed
{Serial.println ("Button Cancel"); Number=Num1=Num2=0; result=false;}
if (Y>85 && Y<140) //If Button 1 is pressed
{Serial.println ("Button 1");
if (Number==0)
Number=1;
else
Number = (Number*10) + 1; //Pressed twice
}
if (Y>140 && Y<192) //If Button 4 is pressed
{Serial.println ("Button 4");
if (Number==0)
Number=4;
else
Number = (Number*10) + 4; //Pressed twice
}
if (Y>192 && Y<245) //If Button 7 is pressed
{Serial.println ("Button 7");
if (Number==0)
Number=7;
else
Number = (Number*10) + 7; //Pressed twice
}
}
if (X<105 && X>50) //Detecting Buttons on Column 2
{
if (Y>0 && Y<85)
{Serial.println ("Button 0"); //Button 0 is Pressed
if (Number==0)
Number=0;
else
Number = (Number*10) + 0; //Pressed twice
}
if (Y>85 && Y<140)
{Serial.println ("Button 2");
if (Number==0)
Number=2;
else
Number = (Number*10) + 2; //Pressed twice
}
if (Y>140 && Y<192)
{Serial.println ("Button 5");
if (Number==0)
Number=5;
else
Number = (Number*10) + 5; //Pressed twic
}
if (Y>192 && Y<245)
{Serial.println ("Button 8");
if (Number==0)
Number=8;
else
Number = (Number*10) + 8; //Pressed twic
}
}
if (X<165 && X>105) //Detecting Buttons on Column 3
{
if (Y>0 && Y<85)
{Serial.println ("Button Equal");
Num2=Number;
result = true;
}
if (Y>85 && Y<140)
{Serial.println ("Button 3");
if (Number==0)
Number=3;
else
Number = (Number*10) + 3; //Pressed twice
}
if (Y>140 && Y<192)
{Serial.println ("Button 6");
if (Number==0)
Number=6;
else
Number = (Number*10) + 6; //Pressed twice
}
if (Y>192 && Y<245)
{Serial.println ("Button 9");
if (Number==0)
Number=9;
else
Number = (Number*10) + 9; //Pressed twice
}
}
if (X<213 && X>165) //Detecting Buttons on Column 3
{
Num1 = Number;
Number =0;
tft.setCursor(200, 20);
tft.setTextColor(RED);
if (Y>0 && Y<85)
{Serial.println ("Addition"); action = 1; tft.println('+');}
if (Y>85 && Y<140)
{Serial.println ("Subtraction"); action = 2; tft.println('-');}
if (Y>140 && Y<192)
{Serial.println ("Multiplication"); action = 3; tft.println('*');}
if (Y>192 && Y<245)
{Serial.println ("Devesion"); action = 4; tft.println('/');}
delay(300);
}
}
void CalculateResult()
{
if (action==1)
Number = Num1+Num2;
if (action==2)
Number = Num1-Num2;
if (action==3)
Number = Num1*Num2;
if (action==4)
Number = Num1/Num2;
}
void DisplayResult()
{
tft.fillRect(0, 0, 240, 80, CYAN); //clear result box
tft.setCursor(10, 20);
tft.setTextSize(4);
tft.setTextColor(BLACK);
tft.println(Number); //update new value
}
void IntroScreen()
{
tft.setCursor (55, 120);
tft.setTextSize (3);
tft.setTextColor(RED);
tft.println("ARDUINO");
tft.setCursor (30, 160);
tft.println("CALCULATOR");
tft.setCursor (30, 220);
tft.setTextSize (2);
tft.setTextColor(BLUE);
tft.println("-Circut Digest");
delay(1800);
}
void draw_BoxNButtons()
{
//Draw the Result Box
tft.fillRect(0, 0, 240, 80, CYAN);
//Draw First Column
tft.fillRect (0,260,60,60,RED);
tft.fillRect (0,200,60,60,BLACK);
tft.fillRect (0,140,60,60,BLACK);
tft.fillRect (0,80,60,60,BLACK);
//Draw Third Column
tft.fillRect (120,260,60,60,GREEN);
tft.fillRect (120,200,60,60,BLACK);
tft.fillRect (120,140,60,60,BLACK);
tft.fillRect (120,80,60,60,BLACK);
//Draw Secound & Fourth Column
for (int b=260; b>=80; b-=60)
{ tft.fillRect (180,b,60,60,BLUE);
tft.fillRect (60,b,60,60,BLACK);}
//Draw Horizontal Lines
for (int h=80; h<=320; h+=60)
tft.drawFastHLine(0, h, 240, WHITE);
//Draw Vertical Lines
for (int v=0; v<=240; v+=60)
tft.drawFastVLine(v, 80, 240, WHITE);
//Display keypad lables
for (int j=0;j<4;j++) {
for (int i=0;i<4;i++) {
tft.setCursor(22 + (60*i), 100 + (60*j));
tft.setTextSize(3);
tft.setTextColor(WHITE);
tft.println(symbol[j][i]);
}
}
}
有人可以帮助我吗？当我将代码上传到arduino uno板上时，触摸屏什么都没有显示，我的设备是arduino UNO板和2.4英寸tft LCD护罩。如何解决此问题？ 我添加了一些代码并修改了试图显示计算器的部分代码。我可以添加任何库文件吗？
我该如何解决？