Move USB Host Shield and Arduino core to lib/ (#13973)

lib/usbhost/USB_Host_Shield_2.0/examples/PSBuzz/PSBuzz.ino

@@ -0,0 +1,49 @@
+/*
+ Example sketch for the Playstation Buzz library - developed by Kristian Lauszus
+ For more information visit my blog: http://blog.tkjelectronics.dk/ or
+ send me an e-mail:  kristianl@tkjelectronics.com
+ */
+
+#include <PSBuzz.h>
+
+// Satisfy the IDE, which needs to see the include statment in the ino too.
+#ifdef dobogusinclude
+#include <spi4teensy3.h>
+#include <SPI.h>
+#endif
+
+USB Usb;
+PSBuzz Buzz(&Usb);
+
+void setup() {
+  Serial.begin(115200);
+#if !defined(__MIPSEL__)
+  while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
+#endif
+  if (Usb.Init() == -1) {
+    Serial.print(F("\r\nOSC did not start"));
+    while (1); // Halt
+  }
+  Serial.println(F("\r\nPS Buzz Library Started"));
+}
+
+void loop() {
+  Usb.Task();
+
+  if (Buzz.connected()) {
+    for (uint8_t i = 0; i < 4; i++) {
+      if (Buzz.getButtonClick(RED, i)) {
+        Buzz.setLedToggle(i); // Toggle the LED
+        Serial.println(F("RED"));
+      }
+      if (Buzz.getButtonClick(YELLOW, i))
+        Serial.println(F("YELLOW"));
+      if (Buzz.getButtonClick(GREEN, i))
+        Serial.println(F("GREEN"));
+      if (Buzz.getButtonClick(ORANGE, i))
+        Serial.println(F("ORANGE"));
+      if (Buzz.getButtonClick(BLUE, i))
+        Serial.println(F("BLUE"));
+    }
+  }
+}