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- // IMPORTANT: TftSpfd5408 LIBRARY MUST BE SPECIFICALLY
- // CONFIGURED FOR EITHER THE TFT SHIELD OR THE BREAKOUT BOARD.
- // SEE RELEVANT COMMENTS IN TftSpfd5408.h FOR SETUP.
- #include <Adafruit_GFX.h> // Core graphics library
- #include <TftSpfd5408.h> // Hardware-specific library
- // 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).
- #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 YELLOW 0xFFE0
- #define WHITE 0xFFFF
- TftSpfd5408 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:
- // TftSpfd5408 tft;
- void setup(void) {
- Serial.begin(9600);
- Serial.println(F("TFT LCD test"));
- #ifdef USE_ADAFRUIT_SHIELD_PINOUT
- Serial.println(F("Using Adafruit 2.8\" TFT Arduino Shield Pinout"));
- #else
- Serial.println(F("Using Adafruit 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.begin();
- Serial.println(F("Benchmark Time (microseconds)"));
- Serial.print(F("Screen fill "));
- Serial.println(testFillScreen());
- delay(500);
- Serial.print(F("Text "));
- Serial.println(testText());
- delay(3000);
- Serial.print(F("Lines "));
- Serial.println(testLines(CYAN));
- delay(500);
- Serial.print(F("Horiz/Vert Lines "));
- Serial.println(testFastLines(RED, BLUE));
- delay(500);
- Serial.print(F("Rectangles (outline) "));
- Serial.println(testRects(GREEN));
- delay(500);
- Serial.print(F("Rectangles (filled) "));
- Serial.println(testFilledRects(YELLOW, MAGENTA));
- delay(500);
- Serial.print(F("Circles (filled) "));
- Serial.println(testFilledCircles(10, MAGENTA));
- Serial.print(F("Circles (outline) "));
- Serial.println(testCircles(10, WHITE));
- delay(500);
- Serial.print(F("Triangles (outline) "));
- Serial.println(testTriangles());
- delay(500);
- Serial.print(F("Triangles (filled) "));
- Serial.println(testFilledTriangles());
- delay(500);
- Serial.print(F("Rounded rects (outline) "));
- Serial.println(testRoundRects());
- delay(500);
- Serial.print(F("Rounded rects (filled) "));
- Serial.println(testFilledRoundRects());
- delay(500);
- Serial.println(F("Done!"));
- }
- void loop(void) {
- for(uint8_t rotation=0; rotation<4; rotation++) {
- tft.setRotation(rotation);
- testText();
- delay(2000);
- }
- }
- unsigned long testFillScreen() {
- unsigned long start = micros();
- tft.fillScreen(BLACK);
- tft.fillScreen(RED);
- tft.fillScreen(GREEN);
- tft.fillScreen(BLUE);
- tft.fillScreen(BLACK);
- return micros() - start;
- }
- unsigned long testText() {
- tft.fillScreen(BLACK);
- unsigned long start = micros();
- tft.setCursor(0, 0);
- tft.setTextColor(WHITE); tft.setTextSize(1);
- tft.println("Hello World!");
- tft.setTextColor(YELLOW); tft.setTextSize(2);
- tft.println(1234.56);
- tft.setTextColor(RED); tft.setTextSize(3);
- tft.println(0xDEADBEEF, HEX);
- tft.println();
- tft.setTextColor(GREEN);
- tft.setTextSize(5);
- tft.println("Groop");
- tft.setTextSize(2);
- tft.println("I implore thee,");
- tft.setTextSize(1);
- tft.println("my foonting turlingdromes.");
- tft.println("And hooptiously drangle me");
- tft.println("with crinkly bindlewurdles,");
- tft.println("Or I will rend thee");
- tft.println("in the gobberwarts");
- tft.println("with my blurglecruncheon,");
- tft.println("see if I don't!");
- return micros() - start;
- }
- unsigned long testLines(uint16_t color) {
- unsigned long start, t;
- int x1, y1, x2, y2,
- w = tft.width(),
- h = tft.height();
- tft.fillScreen(BLACK);
- x1 = y1 = 0;
- y2 = h - 1;
- start = micros();
- for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
- x2 = w - 1;
- for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
- t = micros() - start; // fillScreen doesn't count against timing
- tft.fillScreen(BLACK);
- x1 = w - 1;
- y1 = 0;
- y2 = h - 1;
- start = micros();
- for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
- x2 = 0;
- for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
- t += micros() - start;
- tft.fillScreen(BLACK);
- x1 = 0;
- y1 = h - 1;
- y2 = 0;
- start = micros();
- for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
- x2 = w - 1;
- for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
- t += micros() - start;
- tft.fillScreen(BLACK);
- x1 = w - 1;
- y1 = h - 1;
- y2 = 0;
- start = micros();
- for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
- x2 = 0;
- for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
- return micros() - start;
- }
- unsigned long testFastLines(uint16_t color1, uint16_t color2) {
- unsigned long start;
- int x, y, w = tft.width(), h = tft.height();
- tft.fillScreen(BLACK);
- start = micros();
- for(y=0; y<h; y+=5) tft.drawFastHLine(0, y, w, color1);
- for(x=0; x<w; x+=5) tft.drawFastVLine(x, 0, h, color2);
- return micros() - start;
- }
- unsigned long testRects(uint16_t color) {
- unsigned long start;
- int n, i, i2,
- cx = tft.width() / 2,
- cy = tft.height() / 2;
- tft.fillScreen(BLACK);
- n = min(tft.width(), tft.height());
- start = micros();
- for(i=2; i<n; i+=6) {
- i2 = i / 2;
- tft.drawRect(cx-i2, cy-i2, i, i, color);
- }
- return micros() - start;
- }
- unsigned long testFilledRects(uint16_t color1, uint16_t color2) {
- unsigned long start, t = 0;
- int n, i, i2,
- cx = tft.width() / 2 - 1,
- cy = tft.height() / 2 - 1;
- tft.fillScreen(BLACK);
- n = min(tft.width(), tft.height());
- for(i=n; i>0; i-=6) {
- i2 = i / 2;
- start = micros();
- tft.fillRect(cx-i2, cy-i2, i, i, color1);
- t += micros() - start;
- // Outlines are not included in timing results
- tft.drawRect(cx-i2, cy-i2, i, i, color2);
- }
- return t;
- }
- unsigned long testFilledCircles(uint8_t radius, uint16_t color) {
- unsigned long start;
- int x, y, w = tft.width(), h = tft.height(), r2 = radius * 2;
- tft.fillScreen(BLACK);
- start = micros();
- for(x=radius; x<w; x+=r2) {
- for(y=radius; y<h; y+=r2) {
- tft.fillCircle(x, y, radius, color);
- }
- }
- return micros() - start;
- }
- unsigned long testCircles(uint8_t radius, uint16_t color) {
- unsigned long start;
- int x, y, r2 = radius * 2,
- w = tft.width() + radius,
- h = tft.height() + radius;
- // Screen is not cleared for this one -- this is
- // intentional and does not affect the reported time.
- start = micros();
- for(x=0; x<w; x+=r2) {
- for(y=0; y<h; y+=r2) {
- tft.drawCircle(x, y, radius, color);
- }
- }
- return micros() - start;
- }
- unsigned long testTriangles() {
- unsigned long start;
- int n, i, cx = tft.width() / 2 - 1,
- cy = tft.height() / 2 - 1;
- tft.fillScreen(BLACK);
- n = min(cx, cy);
- start = micros();
- for(i=0; i<n; i+=5) {
- tft.drawTriangle(
- cx , cy - i, // peak
- cx - i, cy + i, // bottom left
- cx + i, cy + i, // bottom right
- tft.color565(0, 0, i));
- }
- return micros() - start;
- }
- unsigned long testFilledTriangles() {
- unsigned long start, t = 0;
- int i, cx = tft.width() / 2 - 1,
- cy = tft.height() / 2 - 1;
- tft.fillScreen(BLACK);
- start = micros();
- for(i=min(cx,cy); i>10; i-=5) {
- start = micros();
- tft.fillTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
- tft.color565(0, i, i));
- t += micros() - start;
- tft.drawTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
- tft.color565(i, i, 0));
- }
- return t;
- }
- unsigned long testRoundRects() {
- unsigned long start;
- int w, i, i2,
- cx = tft.width() / 2 - 1,
- cy = tft.height() / 2 - 1;
- tft.fillScreen(BLACK);
- w = min(tft.width(), tft.height());
- start = micros();
- for(i=0; i<w; i+=6) {
- i2 = i / 2;
- tft.drawRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(i, 0, 0));
- }
- return micros() - start;
- }
- unsigned long testFilledRoundRects() {
- unsigned long start;
- int i, i2,
- cx = tft.width() / 2 - 1,
- cy = tft.height() / 2 - 1;
- tft.fillScreen(BLACK);
- start = micros();
- for(i=min(tft.width(), tft.height()); i>20; i-=6) {
- i2 = i / 2;
- tft.fillRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(0, i, 0));
- }
- return micros() - start;
- }
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