From aa22152d8fc51df876dc5148772aac9ab2f46ab4 Mon Sep 17 00:00:00 2001
From: lewisxhe <lewishe@outlook.com>
Date: Thu, 21 Mar 2024 14:21:51 +0800
Subject: [PATCH] Added Arduino_GFX_HelloWorld example
 https://github.com/Xinyuan-LilyGO/LilyGo-AMOLED-Series/issues/24

---
 .../Arduino_GFX_HelloWorld.ino                | 61 +++++++++++++++++++
 platformio.ini                                |  5 +-
 2 files changed, 64 insertions(+), 2 deletions(-)
 create mode 100644 examples/Arduino_GFX_HelloWorld/Arduino_GFX_HelloWorld.ino

diff --git a/examples/Arduino_GFX_HelloWorld/Arduino_GFX_HelloWorld.ino b/examples/Arduino_GFX_HelloWorld/Arduino_GFX_HelloWorld.ino
new file mode 100644
index 0000000..b14bbb3
--- /dev/null
+++ b/examples/Arduino_GFX_HelloWorld/Arduino_GFX_HelloWorld.ino
@@ -0,0 +1,61 @@
+/**
+ * @file      Arduino_GFX_HelloWorld.ino
+ * @author    Lewis He (lewishe@outlook.com)
+ * @license   MIT
+ * @copyright Copyright (c) 2024  ShenZhen XinYuan Electronic Technology Co., Ltd
+ * @date      2024-03-21
+ *
+ */
+#include <Arduino.h>
+#include <Arduino_GFX_Library.h> // https://github.com/moononournation/Arduino_GFX.git
+
+
+#define GFX_DEV_DEVICE LILYGO_T_DISPLAY_S3_AMOLED
+
+Arduino_DataBus *bus = new Arduino_ESP32QSPI(
+    6 /* cs */, 47 /* sck */, 18 /* d0 */, 7 /* d1 */, 48 /* d2 */, 5 /* d3 */);
+Arduino_GFX *gfx = new Arduino_RM67162(bus, 17 /* RST */, 0 /* rotation */);
+Arduino_GFX *gfx2;
+
+
+void setBrightness(uint8_t value)
+{
+    bus->beginWrite();
+    bus->writeC8D8(0x51, value);
+    bus->endWrite();
+}
+
+
+void setup()
+{
+    Serial.begin(115200);
+
+    /**
+     * * The difference between the touch and non-touch versions is that the display
+     * * power supply of the touch version is controlled by IO38
+    */
+    pinMode(38, OUTPUT);
+    digitalWrite(38, OUTPUT);
+
+    if (!gfx->begin()) {
+        Serial.println("gfx->begin() failed!");
+    }
+    gfx2 = new Arduino_Canvas(240, 536, gfx, 0, 0); // for Sprites
+    gfx2->begin(GFX_SKIP_OUTPUT_BEGIN); // Added the GFX_SKIP_OUTPUT_BEGIN so the Canvas class doesn’t try and initialise the display
+    gfx2->fillScreen(BLACK);
+    gfx2->setCursor(80, 268);
+    gfx2->setTextColor(RED);
+    gfx2->setTextSize(2 /* x scale */, 2 /* y scale */, 1 /* pixel_margin */);
+    gfx2->println("Hello World!");
+    gfx2->fillCircle(130, 130, 40, GREEN);
+    gfx2->flush();
+
+}
+
+void loop()
+{
+    for (int i = 0; i < 255; i++) {
+        setBrightness(i);
+        delay(20);
+    }
+}
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index b0108f5..bc4f73e 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -31,14 +31,14 @@ default_envs = T-Display-AMOLED
 ;! The src_dir variable can only have one row
 
 ; Basic example
-; src_dir = examples/Factory
+src_dir = examples/Factory
 ; src_dir = examples/Touchpad
 ; src_dir = examples/Lvgl_Images
 ; src_dir = examples/TFT_eSPI_Sprite
 ; src_dir = examples/TFT_eSPI_Sprite_ArcFill
 ; src_dir = examples/TFT_eSPI_Sprite_RLE_Font
 ; src_dir = examples/TFT_eSPI_Sprite_graphicstest_small
-src_dir = examples/AdjustBrightness
+; src_dir = examples/AdjustBrightness
 
 ;! Extern SPI Example
 ; src_dir = examples/SPI_SDCard
@@ -56,6 +56,7 @@ src_dir = examples/AdjustBrightness
 ; src_dir = examples/LVGL_Rotation
 ;!Requires T-Display-AMOLED-191-ArduinoGFX env
 ; src_dir = examples/Arduino_GFX_PDQgraphicstest
+; src_dir = examples/Arduino_GFX_HelloWorld
 
 ;!QWIIC exampls
 ; src_dir = examples/QWIIC_GPS_Shield