add gfx examples

examples/gfx/geometrical-shapes/geometrical-shapes.ino

@@ -0,0 +1,30 @@
+/*
+  This example uses the Arduino_GigaDisplay_GFX library
+  to draw some geometrical shapes on a 800x480 canvas.
+
+  The circuit:
+  - GIGA R1 WiFi
+  - GIGA Display Shield
+
+  created 10 sept 2023
+  by Karl Söderby
+
+  This example code is in the public domain.
+*/
+
+#include "Arduino_GigaDisplay_GFX.h"
+
+GigaDisplay_GFX display;
+
+#define WHITE 0xffff
+#define BLACK 0x0000
+
+void setup() {
+  display.begin();
+  display.fillScreen(WHITE);
+  display.drawTriangle(100, 200, 300, 400, 300, 600, BLACK);
+  display.drawCircle(100, 100, 50, BLACK);
+  display.drawRect(10, 650, 300, 80, BLACK);
+  display.drawRoundRect(300, 50, 100, 100, 30, BLACK);
+}
+void loop() {}

examples/gfx/hello-world/hello-world.ino

@@ -0,0 +1,28 @@
+/*
+  This example uses the Arduino_GigaDisplay_GFX library
+  to print "Hello World!" on a 800x480 canvas.
+
+  The circuit:
+  - GIGA R1 WiFi
+  - GIGA Display Shield
+
+  created 10 sept 2023
+  by Karl Söderby
+
+  This example code is in the public domain.
+*/
+
+#include "Arduino_GigaDisplay_GFX.h"
+
+GigaDisplay_GFX display; // create the object
+
+#define BLACK 0x0000
+
+void setup() {
+  display.begin();
+  display.fillScreen(BLACK);
+  display.setCursor(10,10); //x,y
+  display.setTextSize(5); //adjust text size
+  display.print("Hello World!"); //print
+}
+void loop(){}

examples/gfx/touch-switch/touch-switch.ino

@@ -0,0 +1,87 @@
+/*
+  This example uses the Arduino_GigaDisplayTouch and
+  Arduino_GigaDisplay_GFX library to change the
+  display whenever it is touched, inverting the colors.
+
+  The circuit:
+  - GIGA R1 WiFi
+  - GIGA Display Shield
+
+  created 10 sept 2023
+  by Karl Söderby
+
+  This example code is in the public domain.
+*/
+
+#include "Arduino_GigaDisplay_GFX.h"
+#include "Arduino_GigaDisplayTouch.h"
+
+Arduino_GigaDisplayTouch touchDetector;
+GigaDisplay_GFX display;
+
+#define WHITE 0xffff
+#define BLACK 0x0000
+
+#define screen_size_x 480
+#define screen_size_y 800
+
+int touch_x;
+int touch_y;
+
+int lastTouch;
+int threshold = 250;
+
+bool switch_1;
+
+void setup() {
+  // put your setup code here, to run once:
+  Serial.begin(9600);
+  display.begin();
+
+  if (touchDetector.begin()) {
+    Serial.print("Touch controller init - OK");
+  } else {
+    Serial.print("Touch controller init - FAILED");
+    while (1)
+      ;
+  }
+  changeSwitch();
+}
+
+void loop() {
+  uint8_t contacts;
+  GDTpoint_t points[5];
+  contacts = touchDetector.getTouchPoints(points);
+
+  if (contacts > 0 && (millis() - lastTouch > threshold)) {
+    Serial.print("Contacts: ");
+    Serial.println(contacts);
+
+    //record the x,y coordinates 
+    for (uint8_t i = 0; i < contacts; i++) {
+      touch_x = points[i].x;
+      touch_y = points[i].y;
+    }
+
+    //as the display is 480x800, anywhere you touch the screen it will trigger
+    if (touch_x < screen_size_x && touch_y < screen_size_y) {
+      switch_1 = !switch_1;
+      Serial.println("switched");
+      changeSwitch();
+    }
+    lastTouch = millis();
+  }
+}
+
+void changeSwitch() {
+  if (switch_1) {
+    display.fillScreen(BLACK);
+    display.setTextColor(WHITE);
+  } else {
+    display.fillScreen(WHITE);
+    display.setTextColor(BLACK);
+  }
+  display.setCursor(50, screen_size_y/2);
+  display.setTextSize(5);
+  display.print("Switched");
+}

library.properties

@@ -8,4 +8,4 @@ category=Device Control
 url=https://www.arduino.cc/
 architectures=mbed_giga
 includes=Arduino_GigaDisplay.h
-depends=Arduino_BMI270_BMM150,Arduino_GigaDisplayTouch,ArduinoGraphics,lvgl
+depends=Arduino_BMI270_BMM150,Arduino_GigaDisplayTouch,ArduinoGraphics,Arduino_GigaDisplay_GFX,lvgl