109 lines
2.5 KiB
C++
109 lines
2.5 KiB
C++
#include <SPI.h>
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#include <Adafruit_GFX.h>
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#include <TFT_ILI9163C.h>
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// Color definitions
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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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/*
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Teensy3.x and Arduino's
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You are using 4 wire SPI here, so:
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MOSI: 11//Teensy3.x/Arduino UNO (for MEGA/DUE refere to arduino site)
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MISO: 12//Teensy3.x/Arduino UNO (for MEGA/DUE refere to arduino site)
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SCK: 13//Teensy3.x/Arduino UNO (for MEGA/DUE refere to arduino site)
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the rest of pin below:
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*/
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#define __CS 10
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#define __DC 9
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/*
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Teensy 3.x can use: 2,6,9,10,15,20,21,22,23
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Arduino's 8 bit: any
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DUE: check arduino site
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If you do not use reset, tie it to +3V3
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*/
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TFT_ILI9163C tft = TFT_ILI9163C(__CS, __DC);
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void setup() {
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tft.begin();
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}
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void loop(){
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testLines(random(0x00ff,0xffff));
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delay(100);
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testText();
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delay(500);
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}
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unsigned long testText() {
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tft.fillScreen();
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unsigned long start = micros();
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tft.setCursor(0, 0);
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tft.setTextColor(WHITE);
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tft.setTextSize(1);
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tft.println("Hello World!");
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tft.setTextColor(YELLOW);
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tft.setTextSize(2);
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tft.println(1234.56);
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tft.setTextColor(RED);
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tft.setTextSize(3);
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tft.println(0xDEAD, HEX);
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tft.println();
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tft.setTextColor(GREEN);
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tft.setTextSize(4);
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tft.println("Hello");
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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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tft.fillScreen();
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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();
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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();
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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();
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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();
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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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} |