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V 0.1
// IMPORTANT: ELEGOO_TFTLCD LIBRARY MUST BE SPECIFICALLY
// CONFIGURED FOR EITHER THE TFT SHIELD OR THE BREAKOUT BOARD.
// SEE RELEVANT COMMENTS IN Elegoo_TFTLCD.h FOR SETUP.
//Technical support:goodtft@163.com
#include <Elegoo_GFX.h> // Core graphics library
#include <Elegoo_TFTLCD.h> // Hardware-specific library
#include <TouchScreen.h>
#if defined(__SAM3X8E__)
#undef __FlashStringHelper::F(string_literal)
#define F(string_literal) string_literal
#endif
#define YP A3 // must be an analog pin, use "An" notation!
#define XM A2 // must be an analog pin, use "An" notation!
#define YM 9 // can be a digital pin
#define XP 8 // can be a digital pin
// The control pins for the LCD can be assigned to any digital or
// analog pins...but we'll use the analog pins as this allows us to
// double up the pins with the touch screen (see the TFT paint example).
TouchScreen ts = TouchScreen(XP, YP, XM, YM, 300);
#define LCD_CS A3 // Chip Select goes to Analog 3
#define LCD_CD A2 // Command/Data goes to Analog 2
#define LCD_WR A1 // LCD Write goes to Analog 1
#define LCD_RD A0 // LCD Read goes to Analog 0
#define LCD_RESET A4 // Can alternately just connect to Arduino's reset pin
// When using the BREAKOUT BOARD only, use these 8 data lines to the LCD:
// For the Arduino Uno, Duemilanove, Diecimila, etc.:
// D0 connects to digital pin 8 (Notice these are
// D1 connects to digital pin 9 NOT in order!)
// D2 connects to digital pin 2
// D3 connects to digital pin 3
// D4 connects to digital pin 4
// D5 connects to digital pin 5
// D6 connects to digital pin 6
// D7 connects to digital pin 7
// For the Arduino Mega, use digital pins 22 through 29
// (on the 2-row header at the end of the board).
// Assign human-readable names to some common 16-bit color values:
#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW1 0xFFF0
#define YELLOW 0xFFC0
#define YELLOW2 0xFF80
#define WHITE 0xFFFF
Elegoo_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
// If using the shield, all control and data lines are fixed, and
// a simpler declaration can optionally be used:
// Elegoo_TFTLCD tft;
//Touch For New ILI9341 TP
#define TS_MINX 120
#define TS_MAXX 900
#define TS_MINY 70
#define TS_MAXY 920
void setup(void) {
pinMode(13, OUTPUT);
Serial.begin(9600);
Serial.println(F("TFT LCD test"));
#ifdef USE_Elegoo_SHIELD_PINOUT
Serial.println(F("Using Elegoo 2.8\" TFT Arduino Shield Pinout"));
#else
Serial.println(F("Using Elegoo 2.8\" TFT Breakout Board Pinout"));
#endif
Serial.print("TFT size is "); Serial.print(tft.width()); Serial.print("x"); Serial.println(tft.height());
tft.reset();
tft.setTextColor(WHITE);
tft.setTextSize(6);
tft.println("booting...");
uint16_t identifier = tft.readID();
if (identifier == 0x9325) {
Serial.println(F("Found ILI9325 LCD driver"));
} else if (identifier == 0x9328) {
Serial.println(F("Found ILI9328 LCD driver"));
} else if (identifier == 0x4535) {
Serial.println(F("Found LGDP4535 LCD driver"));
} else if (identifier == 0x7575) {
Serial.println(F("Found HX8347G LCD driver"));
} else if (identifier == 0x9341) {
Serial.println(F("Found ILI9341 LCD driver"));
} else if (identifier == 0x8357) {
Serial.println(F("Found HX8357D LCD driver"));
} else if (identifier == 0x0101)
{
identifier = 0x9341;
Serial.println(F("Found 0x9341 LCD driver"));
} else {
Serial.print(F("Unknown LCD driver chip: "));
Serial.println(identifier, HEX);
Serial.println(F("If using the Elegoo 2.8\" TFT Arduino shield, the line:"));
Serial.println(F(" #define USE_Elegoo_SHIELD_PINOUT"));
Serial.println(F("should appear in the library header (Elegoo_TFT.h)."));
Serial.println(F("If using the breakout board, it should NOT be #defined!"));
Serial.println(F("Also if using the breakout, double-check that all wiring"));
Serial.println(F("matches the tutorial."));
identifier = 0x9341;
}
tft.begin(identifier);
Serial.println(F("Benchmark Time (microseconds)"));
Serial.print(F("Screen fill "));
Serial.println(testFillScreen());
delay(50);
Serial.print(F("Topmenu "));
//Serial.println(testText());
tft.fillScreen(BLACK);
Serial.println(F("Done!"));
}
static int reboot = 0;
static String str;
void loop(void) {
LOOPSTART:
while (1) {
tft.fillScreen(BLACK);
testLines(random(0xffff));
testText();
//delay(6000);
//13ピンのSDをオンにする意味は不明。記述がないスケッチ例もある
digitalWrite(13, HIGH);
//タッチスクリーンライブラリのgetPoint関数を利用してTSPoint（位置情報）の
//変数pに現在の位置を代入。単位はADC値と同じ
//古いライブラリではTSPointがPointとなっていることあり
TSPoint p = ts.getPoint();
pinMode(YP, OUTPUT); //.kbv these pins are shared with TFT
pinMode(XM, OUTPUT); //.kbv these pins are shared with TFT
//同じく不明
digitalWrite(13, LOW);
}
}
unsigned long testFillScreen() {
unsigned long start = micros();
tft.fillScreen(BLACK);
tft.fillScreen(YELLOW1);
tft.fillScreen(YELLOW);
tft.fillScreen(YELLOW2);
tft.fillScreen(BLACK);
return micros() - start;
}
unsigned long testText() {
//tft.fillScreen(BLACK);
int timer;
tft.setRotation(3);
unsigned long start = micros();
tft.setCursor(0, 0);
tft.setTextColor(WHITE); tft.setTextSize(1);
tft.println("Welcome!");
tft.setTextColor(YELLOW); tft.setTextSize(2);
tft.println("2020 03/14 14:57");
tft.setTextSize(1);
tft.print("This computer is boot on ");
tft.setTextColor(RED);
timer = micros() / 1000000;
tft.print(timer);
tft.setTextColor(YELLOW);
tft.println(" seconds ago.");
tft.setTextColor(RED);
tft.println("https://caramelos.xyz/other/arduino");
tft.println();
tft.setTextColor(GREEN);
tft.setTextSize(3);
tft.println("Hi,everyone!");
tft.setTextColor(YELLOW1); tft.setTextSize(2);
tft.println("Welcome to\n Caramel iot.");
tft.setTextColor(GREEN); tft.setTextSize(1);
tft.println("This system was maked by TOKIENOKI.");
tft.println("I can anything!");
tft.println("I want to do your help always.");
tft.println("When you call to help me,");
tft.println("I can support you!");
tft.println("Contact : https://caramelos.xyz/twitter");
tft.setTextSize(2);
tft.println("Hope your happiness!");
tft.setTextColor(RED); tft.setTextSize(1);
tft.println("Please touch me!");
tft.setCursor(0, 0);
tft.setRotation(0);
tft.setTextSize(3);
tft.setTextColor(YELLOW);
tft.println("Powered by");
tft.setTextSize(2);
tft.println("Caramel OS Dev team.");
tft.setRotation(3);
tft.setCursor(0, 190);
tft.setTextSize(1);
tft.setTextColor(WHITE);
tft.println("Notification:");
tft.setTextSize(2);
if (str[0] != '\0') {
Serial.print("表示された通知:");
Serial.println(str);
for (int j = 50; j > 21; j--) {
str[j + 1] = str[j];
}
str[22] = '\n';
for (int ii = 45; ii < 200; ii++)str[ii] = '\0';
tft.print(str);
} else {
if (reboot == 0) {
Serial.println("起動しました");
}
tft.print("No signal.");
}
unsigned long int now = micros() / 1000000;
unsigned long int lim = now + 60;
while (1) {
str = Serial.readStringUntil(';');
if (str[0] != '\0') {
Serial.print("入力受付:"); Serial.println(str);
break;
}
unsigned long int now = micros() / 1000000;
if (now >= lim) {
Serial.println("定期的な再起動を行います");
reboot = 1;
break;
}
}
}
unsigned long testLines(uint16_t color) {
unsigned long start, t;
int x1, y1, x2, y2,
w = tft.width(),
h = tft.height();
tft.fillScreen(BLACK);
start = micros();
switch (random(4)) {
case 0:
x1 = 0;
y1 = h - 1;
y2 = 0;
for (x2 = 0; x2 < w; x2 += 9) tft.drawLine(x1, y1, x2, y2, color);
x2 = w - 1;
for (y2 = 0; y2 < h; y2 += 9) tft.drawLine(x1, y1, x2, y2, color);
break;
case 1:
x1 = w - 1;
y1 = 0;
y2 = h - 1;
for (x2 = w; x2 > 0; x2 -= 9) tft.drawLine(x1, y1, x2, y2, color);
x2 = 0;
for (y2 = h; y2 > 0; y2 -= 9) tft.drawLine(x1, y1, x2, y2, color);
break;
case 2:
x1 = 0;
y1 = 0;
y2 = h - 1;
for (x2 = 0; x2 < w; x2 += 9) tft.drawLine(x1, y1, x2, y2, color);
x2 = w - 1;
for (y2 = h; y2 > 0; y2 -= 9) tft.drawLine(x1, y1, x2, y2, color);
break;
case 3:
x1 = w - 1;
y1 = h - 1;
y2 = 0;
for (x2 = w; x2 > 0; x2 -= 9) tft.drawLine(x1, y1, x2, y2, color);
x2 = 0;
for (y2 = 0; y2 < h; y2 += 9) tft.drawLine(x1, y1, x2, y2, color);
break;
}
t += micros() - start;
return micros() - start;
}