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In the home screen, there are three buttons.When a touch is sensed on a button, I fill the button with white colour, wait a bit and draw it again with red colour. This is to create the press effect.
After highlighting the button, control goes to the next page. If I press the Oscilloscope button, the oscilloscope function is called.
In the oscilloscope, signal data is read from Arduino’s pin A5. This data value is mapped to display coordinates. Then the value is used to draw each pixel to create the waveform of the signal
In the RGB Mixer, when a slider is touched, map the touch cordinates to display cordinates. Then draw a black box in the slider’s current position. After that, draw the colour box again with the new display cordinates. Map the display position to a value between 0 and 255 and create the RGB colour combination to show in the top right corner of the screen.
In the flappy bird game, if tap the screen, first clear the bird from its old position and draw it just above its old position. If there is no tap on the screen, then draw the bird below its old position.
#include <Adafruit_GFX.h>
#include <Adafruit_TFTLCD.h>
#include <TouchScreen.h>
#include <Fonts/Org_01.h>
#include <EEPROM.h>
bool backsensed = false;
bool resetsensed = false;
#define YP A3
#define XM A2
#define YM 9
#define XP 8
#define TS_MINX 100
#define TS_MINY 120
#define TS_MAXX 920
#define TS_MAXY 940
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);
#define LCD_CS A3
#define LCD_CD A2
#define LCD_WR A1
#define LCD_RD A0
#define LCD_RESET A4
#define REDBAR_MINX 80
#define GREENBAR_MINX 130
#define BLUEBAR_MINX 180
#define BAR_MINY 30
#define BAR_HEIGHT 250
#define BAR_WIDTH 30
Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
#define BLACK 0x0000
int BLUE = tft.color565(50, 50, 255);
#define DARKBLUE 0x0010
#define VIOLET 0x8888
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
#define GREY tft.color565(64, 64, 64);
#define GOLD 0xFEA0
#define BROWN 0xA145
#define SILVER 0xC618
#define LIME 0x07E0
int currentpcolour;
#define MINPRESSURE 10
#define MAXPRESSURE 1000
#define DRAW_LOOP_INTERVAL 50
#define addr 0
int currentpage;
int currentWing;
int flX, flY, fallRate;
int pillarPos, gapPosition;
int score;
int highScore = 0;
bool running = false;
bool crashed = false;
bool scrPress = false;
long nextDrawLoopRunTime;
int redval;
int greenval;
int blueval;
int redpos = BAR_MINY + 12;
int greenpos = BAR_MINY + 12;
int bluepos = BAR_MINY + 12;
int oldrpos = redpos;
int oldgpos = greenpos;
int oldbpos = bluepos;
int x, y;
void drawHome()
{
tft.fillScreen(BLACK);
tft.drawRoundRect(0, 0, 319, 240, 8, WHITE);
tft.fillRoundRect(60, 180, 200, 40, 8, RED);
tft.drawRoundRect(60, 180, 200, 40, 8, WHITE);
tft.fillRoundRect(60, 130, 200, 40, 8, RED);
tft.drawRoundRect(60, 130, 200, 40, 8, WHITE);
tft.fillRoundRect(60, 80, 200, 40, 8, RED);
tft.drawRoundRect(60, 80, 200, 40, 8, WHITE);
tft.setCursor(60, 20);
tft.setTextSize(2);
tft.setFont();
tft.setTextColor(WHITE);
tft.print("Select an example!");
tft.setCursor(70, 50);
tft.setTextSize(2);
tft.setTextColor(LIME);
tft.print("Minuka");
tft.setTextColor(BLACK);
tft.setCursor(65, 195);
tft.print(" FlappyBird");
tft.setCursor(105, 145);
tft.print("RGB-Mixer");
tft.setCursor(80, 95);
tft.print("Oscilloscope");
}
void setup()
{
tft.reset();
tft.begin(tft.readID());
Serial.begin(9600);
Serial.println();
Serial.print("reading id...");
delay(500);
Serial.println(tft.readID(), HEX);
tft.fillScreen(BLACK);
tft.setRotation(1);
currentpage = 0;
tft.setTextSize(3);
tft.setTextColor(WHITE);
tft.setCursor(50, 140);
tft.print("Loading...");
tft.setTextColor(tft.color565(255, 255, 0));
tft.setCursor(30, 70);
tft.print("By:");
tft.setCursor(30, 100);
tft.print("Minuka");
for (int i; i < 250; i++)
{
tft.fillRect(BAR_MINY - 10, BLUEBAR_MINX, i, 10, RED);
delay(0.000000000000000000000000000000000000000000000000001);
}
tft.fillScreen(BLACK);
drawHome();
}
void loop()
{
digitalWrite(13, HIGH);
TSPoint p = ts.getPoint();
digitalWrite(13, LOW);
pinMode(XM, OUTPUT);
pinMode(YP, OUTPUT);
if (currentpage == 0)
{
if (p.z > 10 && p.z < 1000)
{
if (p.x > 736 && p.x < 855 && p.y > 255 && p.y < 725 && p.z > MINPRESSURE && p.z < MAXPRESSURE)
{
Serial.println("FlappyBird");
tft.fillRoundRect(60, 180, 200, 40, 8, WHITE);
delay(70);
tft.fillRoundRect(60, 180, 200, 40, 8, RED);
tft.drawRoundRect(60, 180, 200, 40, 8, WHITE);
tft.setCursor(65, 195);
tft.println(" FlappyBird");
delay(70);
currentpage = 1;
nextDrawLoopRunTime = millis() + DRAW_LOOP_INTERVAL;
crashed = false;
running = false;
scrPress = false;
startGame();
}
else if (p.x > 563 && p.x < 683 && p.y > 275 && p.y < 750)
{
Serial.println("RGB-MIXER");
tft.fillRoundRect(60, 130, 200, 40, 8, WHITE);
delay(70);
tft.fillRoundRect(60, 130, 200, 40, 8, RED);
tft.drawRoundRect(60, 130, 200, 40, 8, WHITE);
tft.setCursor(105, 145);
tft.print("RGB-Mixer");
delay(70);
currentpage = 2;
x = 0;
y = 0;
p.z = 0;
redpos = BAR_MINY + 12;
greenpos = BAR_MINY + 12;
bluepos = BAR_MINY + 12;
oldrpos = redpos;
oldgpos = greenpos;
oldbpos = bluepos;
drawrgb();
}
if (p.x > 403 && p.x < 525 && p.y > 271 && p.y < 725)
{
Serial.println("Oscilloscope");
currentpage = 3;
tft.fillRoundRect(60, 80, 200, 40, 8, WHITE);
delay(70);
tft.fillRoundRect(60, 80, 200, 40, 8, RED);
tft.drawRoundRect(60, 80, 200, 40, 8, WHITE);
tft.setCursor(80, 95);
tft.print("Oscilloscope");
delay(70);
drawOSC();
}
}
}
if (currentpage == 1)
{
senseBack();
if (millis() > nextDrawLoopRunTime && !crashed) {
drawLoop();
checkCollision();
nextDrawLoopRunTime += DRAW_LOOP_INTERVAL;
}
if (backsensed)
{
currentpage = 0;
drawHome();
}
sensereset();
ResetScore();
if (p.z > MINPRESSURE && p.z < MAXPRESSURE && !scrPress && !resetsensed && !backsensed) {
if (crashed) {
startGame();
}
else if (!running) {
// clear and restart
tft.fillRect(0, 0, 320, 80, BLUE);
running = true;
}
else
{
// Go up
fallRate = -8;
scrPress = true;
}
}
else if (p.z == 0 && scrPress) {
scrPress = false;
}
}
if (currentpage == 2)
{
if (p.z > MINPRESSURE && p.z < MAXPRESSURE)
{
x = map(p.x, TS_MINX, TS_MAXX, tft.width(), 0);
y = map(p.y, TS_MINY, TS_MAXY, tft.height(), 0) + 30;
tft.fillRoundRect(200, 5, 70, 40, 8, tft.color565(redval, greenval, blueval));
if (y > 42 && y < 250)
{
if (x > 180 && x < 220)
{
redval = map(y, 42, 250, 0, 255);
oldrpos = redpos;
tft.fillRect(oldrpos, REDBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, BLACK);
redpos = y;
tft.fillRect(redpos, REDBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, RED);
tft.fillCircle(14, REDBAR_MINX + 15, 10, tft.color565(redval, 0, 0));
}
if (x > 115 && x < 150)
{
greenval = map(y, 42, 250, 0, 255);
oldgpos = greenpos;
tft.fillRect(oldgpos, GREENBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, BLACK);
greenpos = y;
tft.fillRect(greenpos, GREENBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, GREEN);
tft.fillCircle(14, GREENBAR_MINX + 15, 10, tft.color565(0, greenval, 0));
}
if (x > 40 && x < 80)
{
blueval = map(y, 42, 250, 0, 255);
oldbpos = bluepos;
tft.fillRect(oldbpos, BLUEBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, BLACK);
bluepos = y;
tft.fillRect(bluepos, BLUEBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, BLUE);
tft.fillCircle(14, BLUEBAR_MINX + 15, 10, tft.color565(0, 0, blueval));
}
}
if (p.y > 743 && p.x < 247 && p.x > 150 && p.y < 875)
{
tft.fillRoundRect(5, 5, 50, 30, 8, WHITE);
delay(70);
tft.fillRoundRect(5, 5, 50, 30, 8, BLUE);
tft.drawRoundRect(5, 5, 50, 30, 8, WHITE);
tft.setCursor(15, 15);
tft.print("<-");
delay(70);
tft.fillRoundRect(5, 5, 50, 30, 8, BLACK);
currentpage = 0;
drawHome();
p.x = 160;
p.y = 760;
redval = 0;
blueval = 0;
greenval = 0;
redpos = BAR_MINY + 12;
greenpos = BAR_MINY + 12;
bluepos = BAR_MINY + 12;
oldrpos = redpos;
oldgpos = greenpos;
oldbpos = bluepos;
}
}
}
if (currentpage == 3)
{
for (uint16_t j = 0; j <= tft.width() + 1; j++ )
{
float volt;
float signalY = map(analogRead(A5), 0, 4095, tft.height() - 1, 1 ) ;
tft.drawFastVLine( j, 46, tft.height(), BLACK);
tft.drawFastHLine(j, 180.00, 1, RED);
tft.drawFastHLine(j, 195.00, 1, WHITE);
tft.drawPixel(j, signalY, GOLD);
if (p.z > MINPRESSURE && p.z < MAXPRESSURE)
if (p.y > 743 && p.x < 247 && p.x > 150 && p.y < 875)
{
tft.fillRoundRect(5, 5, 50, 30, 8, WHITE);
delay(70);
tft.fillRoundRect(5, 5, 50, 30, 8, BLUE);
tft.drawRoundRect(5, 5, 50, 30, 8, WHITE);
tft.setCursor(15, 15);
tft.print("<-");
delay(70);
tft.fillRoundRect(5, 5, 50, 30, 8, BLACK);
currentpage = 0;
drawHome();
p.x = 160;
p.y = 760;
return;
}
}
}
}
void drawLoop() { //Flappy bird functions
// clear moving items
clearPillar(pillarPos, gapPosition);
clearFlappy(flX, flY);
// Move items
if (running) {
flY += fallRate;
fallRate++;
pillarPos -= 5;
if (pillarPos == 0) {
score++;
}
else if (pillarPos < -50) {
pillarPos = 320;
gapPosition = random(20, 120);
}
}
// draw moving items & animate
drawPillar(pillarPos, gapPosition);
drawFlappy(flX, flY);
switch (currentWing) {
case 0: case 1: drawWing1(flX, flY); break; //Wing down
case 2: case 3: drawWing2(flX, flY); break; //Wing middle
case 4: case 5: drawWing3(flX, flY); break; //Wing up
}
if (score == EEPROM.read(0) )
currentpcolour = YELLOW;
else
currentpcolour = GREEN;
currentWing++; //flap the wing
if (currentWing == 6 ) currentWing = 0;
}
void checkCollision() {
if (flY > 206) crashed = true;
if (flX + 34 > pillarPos && flX < pillarPos + 50)
if (flY < gapPosition || flY + 24 > gapPosition + 90)
crashed = true;
if (crashed)
{
tft.setTextColor(RED);
tft.setTextSize(5);
tft.setCursor(20, 75);
tft.print("Game Over!");
tft.setTextSize(4);
tft.setCursor(75, 125);
tft.print("Score:");
tft.setCursor(220, 125);
tft.setTextSize(5);
tft.setTextColor(WHITE);
tft.print(score);
if (score > highScore) {
highScore = score;
EEPROM.write(addr, highScore);
tft.setCursor(75, 175);
tft.setTextSize(4);
tft.setTextColor(YELLOW);
tft.print("NEW HIGH!");
}
running = false;
delay(1000);
}
}
void drawPillar(int x, int gap) {
tft.fillRect(x + 2, 2, 46, gap - 4, currentpcolour);
tft.fillRect(x + 2, gap + 92, 46, 136 - gap, currentpcolour);
tft.drawRect(x, 0, 50, gap, BLACK);
tft.drawRect(x + 1, 1, 48, gap - 2, BLACK);
tft.drawRect(x, gap + 90, 50, 140 - gap, BLACK);
tft.drawRect(x + 1, gap + 91 , 48, 138 - gap, BLACK);
}
void clearPillar(int x, int gap) {
tft.fillRect(x + 45, 0, 5, gap, BLUE);
tft.fillRect(x + 45, gap + 90, 5, 140 - gap, BLUE);
}
void clearFlappy(int x, int y) {
tft.fillRect(x, y, 34, 24, BLUE);
}
void drawFlappy(int x, int y) {
tft.fillRect(x + 2, y + 8, 2, 10, BLACK);
tft.fillRect(x + 4, y + 6, 2, 2, BLACK);
tft.fillRect(x + 6, y + 4, 2, 2, BLACK);
tft.fillRect(x + 8, y + 2, 4, 2, BLACK);
tft.fillRect(x + 12, y, 12, 2, BLACK);
tft.fillRect(x + 24, y + 2, 2, 2, BLACK);
tft.fillRect(x + 26, y + 4, 2, 2, BLACK);
tft.fillRect(x + 28, y + 6, 2, 6, BLACK);
tft.fillRect(x + 10, y + 22, 10, 2, BLACK);
tft.fillRect(x + 4, y + 18, 2, 2, BLACK);
tft.fillRect(x + 6, y + 20, 4, 2, BLACK);
tft.fillRect(x + 12, y + 2, 6, 2, YELLOW);
tft.fillRect(x + 8, y + 4, 8, 2, YELLOW);
tft.fillRect(x + 6, y + 6, 10, 2, YELLOW);
tft.fillRect(x + 4, y + 8, 12, 2, YELLOW);
tft.fillRect(x + 4, y + 10, 14, 2, YELLOW);
tft.fillRect(x + 4, y + 12, 16, 2, YELLOW);
tft.fillRect(x + 4, y + 14, 14, 2, YELLOW);
tft.fillRect(x + 4, y + 16, 12, 2, YELLOW);
tft.fillRect(x + 6, y + 18, 12, 2, YELLOW);
tft.fillRect(x + 10, y + 20, 10, 2, YELLOW);
tft.fillRect(x + 18, y + 2, 2, 2, BLACK);
tft.fillRect(x + 16, y + 4, 2, 6, BLACK);
tft.fillRect(x + 18, y + 10, 2, 2, BLACK);
tft.fillRect(x + 18, y + 4, 2, 6, WHITE);
tft.fillRect(x + 20, y + 2, 4, 10, WHITE);
tft.fillRect(x + 24, y + 4, 2, 8, WHITE);
tft.fillRect(x + 26, y + 6, 2, 6, WHITE);
tft.fillRect(x + 24, y + 6, 2, 4, BLACK);
tft.fillRect(x + 20, y + 12, 12, 2, BLACK);
tft.fillRect(x + 18, y + 14, 2, 2, BLACK);
tft.fillRect(x + 20, y + 14, 12, 2, RED);
tft.fillRect(x + 32, y + 14, 2, 2, BLACK);
tft.fillRect(x + 16, y + 16, 2, 2, BLACK);
tft.fillRect(x + 18, y + 16, 2, 2, RED);
tft.fillRect(x + 20, y + 16, 12, 2, BLACK);
tft.fillRect(x + 18, y + 18, 2, 2, BLACK);
tft.fillRect(x + 20, y + 18, 10, 2, RED);
tft.fillRect(x + 30, y + 18, 2, 2, BLACK);
tft.fillRect(x + 20, y + 20, 10, 2, BLACK);
}
void drawWing1(int x, int y)
{
tft.fillRect(x, y + 14, 2, 6, BLACK);
tft.fillRect(x + 2, y + 20, 8, 2, BLACK);
tft.fillRect(x + 2, y + 12, 10, 2, BLACK);
tft.fillRect(x + 12, y + 14, 2, 2, BLACK);
tft.fillRect(x + 10, y + 16, 2, 2, BLACK);
tft.fillRect(x + 2, y + 14, 8, 6, WHITE);
tft.fillRect(x + 8, y + 18, 2, 2, BLACK);
tft.fillRect(x + 10, y + 14, 2, 2, WHITE);
}
void drawWing2(int x, int y)
{
tft.fillRect(x + 2, y + 10, 10, 2, BLACK);
tft.fillRect(x + 2, y + 16, 10, 2, BLACK);
tft.fillRect(x, y + 12, 2, 4, BLACK);
tft.fillRect(x + 12, y + 12, 2, 4, BLACK);
tft.fillRect(x + 2, y + 12, 10, 4, WHITE);
}
void drawWing3(int x, int y)
{
tft.fillRect(x + 2, y + 6, 8, 2, BLACK);
tft.fillRect(x, y + 8, 2, 6, BLACK);
tft.fillRect(x + 10, y + 8, 2, 2, BLACK);
tft.fillRect(x + 12, y + 10, 2, 4, BLACK);
tft.fillRect(x + 10, y + 14, 2, 2, BLACK);
tft.fillRect(x + 2, y + 14, 2, 2, BLACK);
tft.fillRect(x + 4, y + 16, 6, 2, BLACK);
tft.fillRect(x + 2, y + 8, 8, 6, WHITE);
tft.fillRect(x + 4, y + 14, 6, 2, WHITE);
tft.fillRect(x + 10, y + 10, 2, 4, WHITE);
}
void ResetScore()
{
digitalWrite(13, HIGH);
TSPoint p = ts.getPoint();
digitalWrite(13, LOW);
pinMode(XM, OUTPUT);
pinMode(YP, OUTPUT);
if (p.z > MINPRESSURE && p.z < MAXPRESSURE) {
}
if (p.x < 199 && p.y < 293 && running == false)
{
EEPROM.write(addr, 0);
startGame();
}
}
void sensereset()
{
digitalWrite(13, HIGH);
TSPoint p = ts.getPoint();
digitalWrite(13, LOW);
pinMode(XM, OUTPUT);
pinMode(YP, OUTPUT);
if (p.x < 199 && p.y < 293 && !running)
resetsensed = true;
else
resetsensed = false;
}
void startGame()
{
flX = 50;
flY = 125;
fallRate = 1;
pillarPos = 320;
gapPosition = 60;
crashed = false;
score = 0;
highScore = EEPROM.read(addr);
tft.setFont(&Org_01);
tft.fillScreen(BLUE);
tft.setTextColor(YELLOW);
tft.setTextSize(3);
tft.setCursor(5, 20);
tft.println("Flappy Bird");
tft.setTextColor(WHITE);
tft.setTextSize(2);
tft.println(" Tap to begin!!");
tft.setTextColor(GREEN);
tft.setCursor(60, 60);
tft.print("Top Score : ");
tft.setTextColor(RED);
tft.setTextSize(3);
tft.print(highScore);
tft.setTextSize(2);
tft.fillRoundRect(240, 5, 250, 15, 8, WHITE);
tft.drawRoundRect(240, 5, 250, 15, 8, RED);
tft.setCursor(250, 15);
tft.println("RESET");
tft.fillRoundRect(240, 30, 250, 15, 8, WHITE);
tft.drawRoundRect(240, 30, 250, 15, 8, RED);
tft.setCursor(250, 40);
tft.print("BACK");
int ty = 230; int tx = 0;
for ( tx = 0; tx <= 300; tx += 20)
{
tft.fillTriangle(tx, ty, tx + 10, ty, tx, ty + 10, GREEN);
tft.fillTriangle(tx + 10, ty + 10, tx + 10, ty, tx, ty + 10, YELLOW);
tft.fillTriangle(tx + 10, ty, tx + 20, ty, tx + 10, ty + 10, YELLOW);
tft.fillTriangle(tx + 20, ty + 10, tx + 20, ty, tx + 10, ty + 10, GREEN);
}
nextDrawLoopRunTime = millis() + DRAW_LOOP_INTERVAL;
}
void senseBack()
{
digitalWrite(13, HIGH);
TSPoint p = ts.getPoint();
digitalWrite(13, LOW);
pinMode(XM, OUTPUT);
pinMode(YP, OUTPUT);
if (p.y < 305 && p.x < 285 && p.x > 239 && !running)
{
backsensed = true;
}
else
backsensed = false;
}
void drawrgb()
{
tft.fillScreen(BLACK);
tft.setCursor(90, 20);
tft.setTextColor(WHITE);
tft.setTextSize(2);
tft.print("COLOUR : ");
tft.drawRect(BAR_MINY, BLUEBAR_MINX, BAR_HEIGHT, BAR_WIDTH, WHITE);
tft.drawRect(BAR_MINY, GREENBAR_MINX, BAR_HEIGHT, BAR_WIDTH, WHITE);
tft.drawRect(BAR_MINY, REDBAR_MINX, BAR_HEIGHT, BAR_WIDTH, WHITE);
tft.fillRect(BAR_MINY + 12, REDBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, RED);
tft.fillRect(BAR_MINY + 12, GREENBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, GREEN);
tft.fillRect(BAR_MINY + 12, BLUEBAR_MINX + 3, BAR_WIDTH - 10, BAR_WIDTH - 5, BLUE);
tft.fillRoundRect(5, 5, 50, 30, 8, BLUE);
tft.drawRoundRect(5, 5, 50, 30, 8, WHITE);
tft.setCursor(15, 15);
tft.setTextColor(BLACK);
tft.print("<-");
delay(300);
}
void drawOSC()
{
tft.fillScreen(BLACK);
tft.fillRoundRect(5, 5, 50, 30, 8, BLUE);
tft.drawRoundRect(5, 5, 50, 30, 8, WHITE);
tft.setCursor(15, 15);
tft.print("<-");
}
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