/***************************************************
This is a library for the Adafruit 0.96" Mini TFT Featherwing
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries.
MIT license, all text above must be included in any redistribution
****************************************************/
#include <Adafruit_GFX.h> // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library for ST7735
#include "Adafruit_miniTFTWing.h"
Adafruit_miniTFTWing ss;
#define TFT_RST -1 // we use the seesaw for resetting to save a pin
#ifdef ESP8266
#define TFT_CS 2
#define TFT_DC 16
#endif
#ifdef ESP32
#define TFT_CS 14
#define TFT_DC 32
#endif
#ifdef TEENSYDUINO
#define TFT_CS 8
#define TFT_DC 3
#endif
#ifdef ARDUINO_STM32_FEATHER
#define TFT_CS PC5
#define TFT_DC PC7
#endif
#ifdef ARDUINO_NRF52832_FEATHER /* BSP 0.6.5 and higher! */
#define TFT_CS 27
#define TFT_DC 30
#endif
// Anything else!
#if defined (__AVR_ATmega32U4__) || defined(ARDUINO_SAMD_FEATHER_M0) || defined (__AVR_ATmega328P__) || \
defined(ARDUINO_SAMD_ZERO) || defined(__SAMD51__) || defined(__SAM3X8E__) || defined(ARDUINO_NRF52840_FEATHER)
#define TFT_CS 5
#define TFT_DC 6
#endif
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);
float p = 3.1415926;
void setup(void) {
Serial.begin(115200);
Serial.print("Hello! ST77xx TFT Test");
if (!ss.begin()) {
Serial.println("seesaw init error!");
while(1);
}
else Serial.println("seesaw started");
ss.tftReset();
ss.setBacklight(0x0); //set the backlight fully on
// Use this initializer (uncomment) if you're using a 0.96" 180x60 TFT
tft.initR(INITR_MINI160x80); // initialize a ST7735S chip, mini display
tft.setRotation(3);
Serial.println("Initialized");
uint16_t time = millis();
tft.fillScreen(ST77XX_BLACK);
time = millis() - time;
Serial.println(time, DEC);
delay(500);
// large block of text
tft.fillScreen(ST77XX_BLACK);
testdrawtext("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur adipiscing ante sed nibh tincidunt feugiat. Maecenas enim massa, fringilla sed malesuada et, malesuada sit amet turpis. Sed porttitor neque ut ante pretium vitae malesuada nunc bibendum. Nullam aliquet ultrices massa eu hendrerit. Ut sed nisi lorem. In vestibulum purus a tortor imperdiet posuere. ", ST77XX_WHITE);
delay(1000);
// tft print function!
tftPrintTest();
delay(1000);
// a single pixel
tft.drawPixel(tft.width()/2, tft.height()/2, ST77XX_GREEN);
delay(500);
// line draw test
testlines(ST77XX_YELLOW);
delay(500);
// optimized lines
testfastlines(ST77XX_RED, ST77XX_BLUE);
delay(500);
testdrawrects(ST77XX_GREEN);
delay(500);
testfillrects(ST77XX_YELLOW, ST77XX_MAGENTA);
delay(500);
tft.fillScreen(ST77XX_BLACK);
testfillcircles(10, ST77XX_BLUE);
testdrawcircles(10, ST77XX_WHITE);
delay(500);
testroundrects();
delay(500);
testtriangles();
delay(500);
mediabuttons();
delay(500);
Serial.println("done");
delay(1000);
}
void loop() {
tft.invertDisplay(true);
delay(500);
tft.invertDisplay(false);
delay(500);
}
void testlines(uint16_t color) {
tft.fillScreen(ST77XX_BLACK);
for (int16_t x=0; x < tft.width(); x+=6) {
tft.drawLine(0, 0, x, tft.height()-1, color);
}
for (int16_t y=0; y < tft.height(); y+=6) {
tft.drawLine(0, 0, tft.width()-1, y, color);
}
tft.fillScreen(ST77XX_BLACK);
for (int16_t x=0; x < tft.width(); x+=6) {
tft.drawLine(tft.width()-1, 0, x, tft.height()-1, color);
}
for (int16_t y=0; y < tft.height(); y+=6) {
tft.drawLine(tft.width()-1, 0, 0, y, color);
}
tft.fillScreen(ST77XX_BLACK);
for (int16_t x=0; x < tft.width(); x+=6) {
tft.drawLine(0, tft.height()-1, x, 0, color);
}
for (int16_t y=0; y < tft.height(); y+=6) {
tft.drawLine(0, tft.height()-1, tft.width()-1, y, color);
}
tft.fillScreen(ST77XX_BLACK);
for (int16_t x=0; x < tft.width(); x+=6) {
tft.drawLine(tft.width()-1, tft.height()-1, x, 0, color);
}
for (int16_t y=0; y < tft.height(); y+=6) {
tft.drawLine(tft.width()-1, tft.height()-1, 0, y, color);
}
}
void testdrawtext(char *text, uint16_t color) {
tft.setCursor(0, 0);
tft.setTextColor(color);
tft.setTextWrap(true);
tft.print(text);
}
void testfastlines(uint16_t color1, uint16_t color2) {
tft.fillScreen(ST77XX_BLACK);
for (int16_t y=0; y < tft.height(); y+=5) {
tft.drawFastHLine(0, y, tft.width(), color1);
}
for (int16_t x=0; x < tft.width(); x+=5) {
tft.drawFastVLine(x, 0, tft.height(), color2);
}
}
void testdrawrects(uint16_t color) {
tft.fillScreen(ST77XX_BLACK);
for (int16_t x=0; x < tft.height(); x+=6) {
tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color);
}
}
void testfillrects(uint16_t color1, uint16_t color2) {
tft.fillScreen(ST77XX_BLACK);
for (int16_t x=tft.height()-1; x > 6; x-=6) {
tft.fillRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color1);
tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color2);
}
}
void testfillcircles(uint8_t radius, uint16_t color) {
for (int16_t x=radius; x < tft.width(); x+=radius*2) {
for (int16_t y=radius; y < tft.height(); y+=radius*2) {
tft.fillCircle(x, y, radius, color);
}
}
}
void testdrawcircles(uint8_t radius, uint16_t color) {
for (int16_t x=0; x < tft.width()+radius; x+=radius*2) {
for (int16_t y=0; y < tft.height()+radius; y+=radius*2) {
tft.drawCircle(x, y, radius, color);
}
}
}
void testtriangles() {
tft.fillScreen(ST77XX_BLACK);
uint16_t color = 0xF800;
int t;
int w = tft.width()/2;
int x = tft.height()-1;
int y = 0;
int z = tft.width();
for(t = 0 ; t <= 15; t++) {
tft.drawTriangle(w, y, y, x, z, x, color);
x-=4;
y+=4;
z-=4;
color+=100;
}
}
void testroundrects() {
tft.fillScreen(ST77XX_BLACK);
uint16_t color = 100;
int x = 0;
int y = 0;
int w = tft.width()-2;
int h = tft.height()-2;
while ((w > 10) && (h > 10)) {
tft.drawRoundRect(x, y, w, h, 5, color);
x+=2;
y+=3;
w-=4;
h-=6;
color+=1100;
}
}
void tftPrintTest() {
tft.setTextWrap(false);
tft.fillScreen(ST77XX_BLACK);
tft.setCursor(0, 0);
tft.setTextColor(ST77XX_RED);
tft.setTextSize(1);
tft.println("Hello World!");
tft.setTextColor(ST77XX_YELLOW);
tft.setTextSize(2);
tft.println("Hello World!");
tft.setTextColor(ST77XX_GREEN);
tft.setTextSize(3);
tft.println("Hello World!");
tft.setTextColor(ST77XX_BLUE);
tft.setTextSize(4);
tft.print(1234.567);
delay(1500);
tft.setCursor(0, 0);
tft.fillScreen(ST77XX_BLACK);
tft.setTextColor(ST77XX_WHITE);
tft.setTextSize(0);
tft.println("Hello World!");
tft.setTextSize(1);
tft.setTextColor(ST77XX_GREEN);
tft.print(p, 6);
tft.println(" Want pi?");
tft.println(" ");
tft.print(8675309, HEX); // print 8,675,309 out in HEX!
tft.println(" Print HEX!");
tft.println(" ");
tft.setTextColor(ST77XX_WHITE);
tft.println("Sketch has been");
tft.println("running for: ");
tft.setTextColor(ST77XX_MAGENTA);
tft.print(millis() / 1000);
tft.setTextColor(ST77XX_WHITE);
tft.print(" seconds.");
}
void mediabuttons() {
// play
tft.fillScreen(ST77XX_BLACK);
tft.fillRoundRect(0, 10, 78, 60, 8, ST77XX_WHITE);
tft.fillTriangle(17, 20, 17, 60, 65, 40, ST77XX_RED);
delay(500);
// pause
tft.fillRoundRect(82, 10, 78, 60, 8, ST77XX_WHITE);
tft.fillRoundRect(96, 18, 20, 45, 5, ST77XX_GREEN);
tft.fillRoundRect(127, 18, 20, 45, 5, ST77XX_GREEN);
delay(500);
// play color
tft.fillTriangle(17, 20, 17, 60, 65, 40, ST77XX_BLUE);
delay(50);
// pause color
tft.fillRoundRect(39, 98, 20, 45, 5, ST77XX_RED);
tft.fillRoundRect(69, 98, 20, 45, 5, ST77XX_RED);
// play color
tft.fillTriangle(17, 20, 17, 60, 65, 40, ST77XX_GREEN);
}