add example Unit-Glass

Author: Forairaaaaa

examples/Unit/GLASS/GLASS.ino

@@ -0,0 +1,66 @@
+/*
+*******************************************************************************
+* Copyright (c) 2023 by M5Stack
+*                  Equipped with M5Core sample source code
+*                          配套  M5Core 示例源代码
+* Visit for more information: https://docs.m5stack.com/en/core/gray
+* 获取更多资料请访问: https://docs.m5stack.com/zh_CN/core/gray
+*
+* Describe: Glass.
+* Date: 2023/2/23
+*******************************************************************************
+*/
+#include <M5Stack.h>
+#include <UNIT_GLASS.h>
+
+UNIT_GLASS Glass;
+String string_buffer;
+
+void setup() {
+    M5.begin(1, 0, 1, 0);
+    M5.Lcd.setTextSize(3);
+    M5.Lcd.setTextColor(0x867D);
+    M5.Lcd.printf(" Unit Glass Demo\n\n\n");
+    M5.Lcd.printf(" Please connect\n\n your Unit-Glass\n\n");
+    M5.Lcd.printf(" to PORT-A\n\n <--");
+
+    /* Unit-Glass init */
+    Glass.begin(&Wire, GLASS_ADDR, 21, 22, 100000UL);
+    Glass.invert(0);
+    Glass.color_invert(0);
+    Glass.clear();
+
+    /* Draw title on Unit-Glass */
+    string_buffer = "M5STACK";
+    Glass.set_string_buffer(string_buffer.c_str());
+    Glass.draw_string(36, 0, 16, 1);
+    string_buffer = "   2023-02-24";
+    Glass.set_string_buffer(string_buffer.c_str());
+    Glass.draw_string(0, 24, 16, 1);
+    Glass.show();
+}
+
+void loop() {
+    /* When key on Unit-Glass was pressed, update conut and print it out */
+    static int count = 0;
+    if (Glass.getKeyA() == 0) {
+        Glass.setBuzzer(1500, 128);
+        Glass.enable_buzz();
+        delay(50);
+        Glass.disable_buzz();
+        count++;
+    } else if (Glass.getKeyB() == 0) {
+        Glass.setBuzzer(2300, 128);
+        Glass.enable_buzz();
+        delay(50);
+        Glass.disable_buzz();
+        count--;
+    }
+
+    string_buffer = "   Count: ";
+    string_buffer += count;
+    string_buffer += "      ";
+    Glass.set_string_buffer(string_buffer.c_str());
+    Glass.draw_string(0, 48, 16, 1);
+    Glass.show();
+}