Merge pull request #292 from adafruit/TheKitty-patch-14

Initial CircuitPython HAL-9000 code

HAL-9000/code.py

@@ -0,0 +1,43 @@
+import os
+import random
+import time
+import board
+import audioio
+from adafruit_crickit import crickit
+
+# Hal button-and-voice example
+
+# Button connected to Signal pin #1 & ground:
+BUTTON = crickit.SIGNAL1
+crickit.seesaw.pin_mode(BUTTON, crickit.seesaw.INPUT_PULLUP)
+
+# LED connected to 5V & Drive pin #1:
+LED = crickit.drive_1
+LED.duty_cycle = 65535
+
+# Find all Wave files in CIRCUITPY storage:
+WAVEFILES = [file for file in os.listdir("/")
+             if (file.endswith(".wav") and not file.startswith("._"))]
+print("Audio files found:", WAVEFILES)
+
+# Audio playback object:
+AUDIO = audioio.AudioOut(board.A0)
+
+# Function to play a wave file in its entirety:
+def play_file(wavfile):
+    print("Playing", wavfile)
+    with open(wavfile, "rb") as f:
+        wav = audioio.WaveFile(f)
+        AUDIO.play(wav)
+        while AUDIO.playing:
+            LED.duty_cycle = random.randint(5000, 30000)
+            time.sleep(0.1)
+    LED.duty_cycle = 65535
+
+while True:
+    if not crickit.seesaw.digital_read(BUTTON):
+        # Play a random wave file
+        play_file(random.choice(WAVEFILES))
+        # Then wait for button to be released
+        while not crickit.seesaw.digital_read(BUTTON):
+            continue