first commit
This commit is contained in:
Jérôme Delacotte
375
TFT_DEMO/TFT_DEMO.ino
Executable file
375
TFT_DEMO/TFT_DEMO.ino
Executable file
@@ -0,0 +1,375 @@
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// IMPORTANT: Adafruit_ILI9341_8bit_AS LIBRARY MUST BE SPECIFICALLY
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// CONFIGURED FOR EITHER THE TFT SHIELD OR THE BREAKOUT BOARD.
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// DEFAULT IS THE UNO SHIELD
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// SEE RELEVANT COMMENTS IN Adafruit_ILI9341_8bit_AS.h FOR SETUP.
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#define DEBUG
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#include <Adafruit_GFX_AS.h> // Core graphics library
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#include <Adafruit_ILI9341_8bit_AS.h> // Hardware-specific library
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// The control pins for the LCD can be assigned to any digital or
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// analog pins...but we'll use the analog pins as this allows us to
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// double up the pins with the touch screen (see the TFT paint example).
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#define LCD_CS A3 // Chip Select goes to Analog 3
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#define LCD_CD A2 // Command/Data goes to Analog 2
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#define LCD_WR A1 // LCD Write goes to Analog 1
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#define LCD_RD A0 // LCD Read goes to Analog 0
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#define LCD_RESET A4 // Can alternately just connect to Arduino's reset pin
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// When using the BREAKOUT BOARD only, use these 8 data lines to the LCD:
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// For the Arduino Uno, Duemilanove, Diecimila, etc.:
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// D0 connects to digital pin 8 (Notice these are
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// D1 connects to digital pin 9 NOT in order!)
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// D2 connects to digital pin 2
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// D3 connects to digital pin 3
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// D4 connects to digital pin 4
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// D5 connects to digital pin 5
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// D6 connects to digital pin 6
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// D7 connects to digital pin 7
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// For the Arduino Mega, use digital pins 22 through 29
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// (on the 2-row header at the end of the board).
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// Assign human-readable names to some common 16-bit color values:
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#define BLACK 0x0000
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#define BLUE 0x001F
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#define RED 0xF800
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#define GREEN 0x07E0
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#define CYAN 0x07FF
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#define MAGENTA 0xF81F
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#define YELLOW 0xFFE0
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#define WHITE 0xFFFF
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Adafruit_ILI9341_8bit_AS tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
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// If using the shield, all control and data lines are fixed, and
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// a simpler declaration can optionally be used:
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// Adafruit_ILI9341_8bit_AS tft;
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void setup(void) {
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#ifdef DEBUG
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Serial.begin(9600);
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Serial.println("TFT LCD test");
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Serial.print("TFT size is ");
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Serial.print(tft.width());
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Serial.print("x");
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Serial.println(tft.height());
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#endif // DEBUG
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tft.reset();
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delay(10);
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tft.begin(0x9341);
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#ifdef DEBUG
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Serial.println("Benchmark Time (microseconds)");
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Serial.print("Screen fill ");
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Serial.println(testFillScreen());
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delay(500);
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Serial.print("Text ");
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Serial.println(testText());
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delay(3000);
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Serial.print("Lines ");
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Serial.println(testLines(CYAN));
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delay(500);
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Serial.print("Horiz/Vert Lines ");
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Serial.println(testFastLines(RED, BLUE));
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delay(500);
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Serial.print("Rectangles (outline) ");
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Serial.println(testRects(GREEN));
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delay(500);
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Serial.print("Rectangles (filled) ");
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Serial.println(testFilledRects(YELLOW, MAGENTA));
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delay(500);
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Serial.print("Circles (filled) ");
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Serial.println(testFilledCircles(10, MAGENTA));
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Serial.print("Circles (outline) ");
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Serial.println(testCircles(10, WHITE));
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delay(500);
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Serial.print("Triangles (outline) ");
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Serial.println(testTriangles());
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delay(500);
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Serial.print("Triangles (filled) ");
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Serial.println(testFilledTriangles());
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delay(500);
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Serial.print("Rounded rects (outline) ");
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Serial.println(testRoundRects());
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delay(500);
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Serial.print("Rounded rects (filled) ");
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Serial.println(testFilledRoundRects());
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delay(500);
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Serial.println("Done!");
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#endif // DEBUG
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}
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void loop(void) {
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for(uint8_t rotation=0; rotation<4; rotation++) {
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tft.setRotation(rotation);
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testText();
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delay(2000);
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}
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testFilledRoundRects();
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testRoundRects();
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testFilledTriangles();
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testTriangles();
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testCircles(10, WHITE);
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testFillScreen();
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testText();
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testLines(CYAN);
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testFastLines(RED, BLUE);
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testRects(GREEN);
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testFilledRects(YELLOW, MAGENTA);
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testFilledCircles(10, MAGENTA);
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}
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unsigned long testFillScreen() {
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unsigned long start = micros();
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tft.fillScreen(BLACK);
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tft.fillScreen(RED);
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tft.fillScreen(GREEN);
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tft.fillScreen(BLUE);
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tft.fillScreen(BLACK);
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return micros() - start;
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}
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unsigned long testText() {
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tft.fillScreen(BLACK);
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unsigned long start = micros();
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tft.setCursor(0, 0);
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tft.setTextColor(WHITE); tft.setTextSize(1);
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tft.println("Hello World!");
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tft.setTextColor(YELLOW); tft.setTextSize(2);
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tft.println(1234.56);
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tft.setTextColor(RED); tft.setTextSize(3);
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tft.println(0xDEADBEEF, HEX);
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tft.println();
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tft.setTextColor(GREEN);
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tft.setTextSize(5);
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tft.println("Groop");
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tft.setTextSize(2);
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tft.println("I implore thee,");
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tft.setTextSize(1);
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tft.println("my foonting turlingdromes.");
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tft.println("And hooptiously drangle me");
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tft.println("with crinkly bindlewurdles,");
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tft.println("Or I will rend thee");
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tft.println("in the gobberwarts");
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tft.println("with my blurglecruncheon,");
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tft.println("see if I don't!");
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return micros() - start;
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}
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unsigned long testLines(uint16_t color) {
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unsigned long start, t;
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int x1, y1, x2, y2,
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w = tft.width(),
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h = tft.height();
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tft.fillScreen(BLACK);
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x1 = y1 = 0;
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y2 = h - 1;
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start = micros();
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for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
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x2 = w - 1;
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for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
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t = micros() - start; // fillScreen doesn't count against timing
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tft.fillScreen(BLACK);
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x1 = w - 1;
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y1 = 0;
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y2 = h - 1;
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start = micros();
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for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
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x2 = 0;
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for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
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t += micros() - start;
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tft.fillScreen(BLACK);
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x1 = 0;
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y1 = h - 1;
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y2 = 0;
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start = micros();
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for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
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x2 = w - 1;
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for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
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t += micros() - start;
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tft.fillScreen(BLACK);
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x1 = w - 1;
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y1 = h - 1;
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y2 = 0;
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start = micros();
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for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
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x2 = 0;
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for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
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return micros() - start;
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}
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unsigned long testFastLines(uint16_t color1, uint16_t color2) {
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unsigned long start;
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int x, y, w = tft.width(), h = tft.height();
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tft.fillScreen(BLACK);
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start = micros();
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for(y=0; y<h; y+=5) tft.drawFastHLine(0, y, w, color1);
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for(x=0; x<w; x+=5) tft.drawFastVLine(x, 0, h, color2);
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return micros() - start;
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}
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unsigned long testRects(uint16_t color) {
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unsigned long start;
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int n, i, i2,
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cx = tft.width() / 2,
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cy = tft.height() / 2;
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tft.fillScreen(BLACK);
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n = min(tft.width(), tft.height());
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start = micros();
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for(i=2; i<n; i+=6) {
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i2 = i / 2;
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tft.drawRect(cx-i2, cy-i2, i, i, color);
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}
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return micros() - start;
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}
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unsigned long testFilledRects(uint16_t color1, uint16_t color2) {
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unsigned long start, t = 0;
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int n, i, i2,
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cx = tft.width() / 2 - 1,
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cy = tft.height() / 2 - 1;
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tft.fillScreen(BLACK);
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n = min(tft.width(), tft.height());
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for(i=n; i>0; i-=6) {
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i2 = i / 2;
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start = micros();
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tft.fillRect(cx-i2, cy-i2, i, i, color1);
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t += micros() - start;
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// Outlines are not included in timing results
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tft.drawRect(cx-i2, cy-i2, i, i, color2);
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}
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return t;
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}
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unsigned long testFilledCircles(uint8_t radius, uint16_t color) {
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unsigned long start;
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int x, y, w = tft.width(), h = tft.height(), r2 = radius * 2;
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tft.fillScreen(BLACK);
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start = micros();
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for(x=radius; x<w; x+=r2) {
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for(y=radius; y<h; y+=r2) {
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tft.fillCircle(x, y, radius, color);
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}
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}
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return micros() - start;
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}
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unsigned long testCircles(uint8_t radius, uint16_t color) {
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unsigned long start;
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int x, y, r2 = radius * 2,
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w = tft.width() + radius,
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h = tft.height() + radius;
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// Screen is not cleared for this one -- this is
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// intentional and does not affect the reported time.
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start = micros();
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for(x=0; x<w; x+=r2) {
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for(y=0; y<h; y+=r2) {
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tft.drawCircle(x, y, radius, color);
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}
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}
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return micros() - start;
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}
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unsigned long testTriangles() {
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unsigned long start;
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int n, i, cx = tft.width() / 2 - 1,
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cy = tft.height() / 2 - 1;
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tft.fillScreen(BLACK);
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n = min(cx, cy);
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start = micros();
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for(i=0; i<n; i+=5) {
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tft.drawTriangle(
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cx , cy - i, // peak
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cx - i, cy + i, // bottom left
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cx + i, cy + i, // bottom right
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tft.color565(0, 0, i));
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}
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return micros() - start;
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}
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unsigned long testFilledTriangles() {
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unsigned long start, t = 0;
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int i, cx = tft.width() / 2 - 1,
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cy = tft.height() / 2 - 1;
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tft.fillScreen(BLACK);
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start = micros();
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for(i=min(cx,cy); i>10; i-=5) {
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start = micros();
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tft.fillTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
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tft.color565(0, i, i));
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t += micros() - start;
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tft.drawTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
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tft.color565(i, i, 0));
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}
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return t;
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}
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unsigned long testRoundRects() {
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unsigned long start;
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int w, i, i2,
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cx = tft.width() / 2 - 1,
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cy = tft.height() / 2 - 1;
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tft.fillScreen(BLACK);
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w = min(tft.width(), tft.height());
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start = micros();
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for(i=0; i<w; i+=6) {
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i2 = i / 2;
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tft.drawRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(i, 0, 0));
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}
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return micros() - start;
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}
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unsigned long testFilledRoundRects() {
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unsigned long start;
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int i, i2,
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cx = tft.width() / 2 - 1,
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cy = tft.height() / 2 - 1;
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tft.fillScreen(BLACK);
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start = micros();
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for(i=min(tft.width(), tft.height()); i>20; i-=6) {
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i2 = i / 2;
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tft.fillRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(0, i, 0));
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}
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return micros() - start;
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}
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