Merge pull request #2414 from adafruit/neokey_bff

adding example code for neokey bff

Author: TheKitty

NeoKey_BFF_Examples/Arduino_NeoKey_Example/.feather_rp2040.test.only

@@ -0,0 +1,42 @@
+// SPDX-FileCopyrightText: 2023 Liz Clark for Adafruit Industries
+//
+// SPDX-License-Identifier: MIT
+
+// Basic Keyboard Example for NeoKey BFF
+
+#include <Keyboard.h>
+#include <Adafruit_NeoPixel.h>
+
+#define LED_PIN A3
+#define MX_PIN A2
+#define LED_COUNT 1
+
+int mxState = 0;
+
+Adafruit_NeoPixel pixel(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);
+
+void setup() {
+  Serial.begin(115200);
+  Keyboard.begin();
+  delay(5000);
+  pinMode(MX_PIN, INPUT);
+  pixel.begin();
+  pixel.show();            
+  pixel.setBrightness(50); 
+}
+
+void loop() {
+  mxState = digitalRead(MX_PIN);
+
+  if(mxState == HIGH) {      
+    pixel.setPixelColor(0, pixel.Color(150, 0, 0));
+    pixel.show();
+    Keyboard.print("Hello World!");
+  }
+
+  if(mxState == LOW) {
+    pixel.setPixelColor(0, pixel.Color(0, 0, 0));
+    pixel.show();
+  }
+
+}

NeoKey_BFF_Examples/Arduino_NeoKey_Example/Arduino_NeoKey_Example.ino

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+# SPDX-FileCopyrightText: 2023 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+"""Basic HID Macro with NeoKey BFF Example"""
+import time
+import board
+from digitalio import DigitalInOut, Direction, Pull
+import neopixel
+import usb_hid
+from adafruit_hid.keyboard import Keyboard
+from adafruit_hid.keycode import Keycode
+
+# setup onboard NeoPixel
+pixel_pin = board.A3
+num_pixels = 1
+pixel_color = (0, 255, 0)
+off = (0, 0, 0)
+
+pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.3, auto_write=False)
+
+# The Keycode sent for each button, will be paired with a control key
+key = Keycode.F
+modifier_key = Keycode.CONTROL
+
+# The keyboard object!
+time.sleep(1)  # Sleep for a bit to avoid a race condition on some systems
+keyboard = Keyboard(usb_hid.devices)
+
+# setup onboard button
+switch = DigitalInOut(board.A2)
+switch.direction = Direction.INPUT
+switch.pull = Pull.UP
+switch_state = False
+
+while True:
+
+    # if the button is not pressed..
+    if switch.value and switch_state:
+        pixels.fill(off)
+        pixels.show()
+        keyboard.release_all()
+        switch_state = False
+
+    # if the button is pressed..
+    if not switch.value and not switch_state:
+        # neopixel brightness is 0.3 and rainbow animation is visible
+        pixels.fill(pixel_color)
+        pixels.show()
+        keyboard.press(modifier_key, key)
+        switch_state = True