Merge pull request #1566 from makermelissa/master

Adding Voice2JSON Demo

Author: makermelissa

Voice2Json_Edge_Detection/demo.py

@@ -0,0 +1,106 @@
+import os
+import subprocess
+import random
+import json
+import re
+from datetime import datetime
+import board
+import displayio
+import adafruit_dotstar
+from adafruit_st7789 import ST7789
+
+IMAGE_FOLDER = "images"
+
+listen_command = "/usr/bin/voice2json transcribe-stream | /usr/bin/voice2json recognize-intent"
+speak_command = "/usr/bin/voice2json speak-sentence '{}'"
+pattern = re.compile(r'(?<!^)(?=[A-Z])')
+
+dots = adafruit_dotstar.DotStar(board.D6, board.D5, 3, brightness=0.2, pixel_order=adafruit_dotstar.RBG)
+dots.fill(0)
+
+colors = {
+    'red': 0xff0000,
+    'green': 0x00ff00,
+    'blue': 0x0000ff,
+    'yellow': 0xffff00,
+    'orange': 0xff8800,
+    'purple': 0x8800ff,
+    'white': 0xffffff,
+    'off': 0
+}
+
+lights = ['left', 'middle', 'right']
+
+def get_time():
+    now = datetime.now()
+    speak("The time is {}".format(now.strftime("%-I:%M %p")))
+
+def display_picture(category):
+    path = os.getcwd() + "/" + IMAGE_FOLDER + "/" + category
+    print("Showing a random image from {}".format(category))
+    load_image(path + "/" + get_random_file(path))
+
+def get_random_file(folder):
+    filenames = []
+    for item in os.listdir(folder):
+        if os.path.isfile(os.path.join(folder, item)) and item.endswith((".jpg", ".bmp", ".gif")):
+            filenames.append(item)
+    if len(filenames):
+        return filenames[random.randrange(len(filenames))]
+    return None
+
+def load_image(path):
+    "Load an image from the path"
+    if len(splash):
+        splash.pop()
+    bitmap = displayio.OnDiskBitmap(open(path, "rb"))
+    sprite = displayio.TileGrid(bitmap, pixel_shader=displayio.ColorConverter())
+    splash.append(sprite)
+
+def change_light_color(lightname, color):
+    dotstar_number = lights.index(lightname)
+    dots[dotstar_number] = colors[color]
+    print("Setting Dotstar {} to 0x{:06X}".format(dotstar_number, colors[color]))
+
+def speak(sentence):
+    for output_line in shell_command(speak_command.format(sentence)):
+        print(output_line, end='')
+
+def shell_command(cmd):
+    popen = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True, universal_newlines=True)
+    for stdout_line in iter(popen.stdout.readline, ""):
+        yield stdout_line 
+    popen.stdout.close()
+    return_code = popen.wait()
+    if return_code:
+        raise subprocess.CalledProcessError(return_code, cmd)
+
+def process_output(line):
+    data = json.loads(line)
+    if not data['timeout'] and data['intent']['name']:
+        func_name = pattern.sub('_', data['intent']['name']).lower()
+        if func_name in globals():
+            globals()[func_name](**data['slots'])
+
+displayio.release_displays()
+spi = board.SPI()
+tft_cs = board.CE0
+tft_dc = board.D25
+tft_lite = board.D26
+
+display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
+
+display = ST7789(
+    display_bus,
+    width=240,
+    height=240,
+    rowstart=80,
+    rotation=180,
+    backlight_pin=tft_lite,
+)
+
+splash = displayio.Group(max_size=10)
+display.show(splash)
+
+for output_line in shell_command(listen_command):
+    process_output(output_line)