add basic ui elements

Author: isaacwellish

PyPortal_Wakeup_Light/wake_up_light.py

@@ -2,4 +2,72 @@
 This example uses a PyPortal and rgbw leds for a simple "wake up" light.
 The strip starts to brighten 30 minutes before set wake up time.
 This program assumes a neopixel strip is attached to D4 on the Adafruit PyPortal.
-"""
+"""
+
+import time
+import board
+import neopixel
+import busio
+from digitalio import DigitalInOut
+from analogio import AnalogIn
+import adafruit_adt7410
+
+from adafruit_esp32spi import adafruit_esp32spi, adafruit_esp32spi_wifimanager
+from adafruit_io.adafruit_io import RESTClient, AdafruitIO_RequestError
+
+# thermometer graphics helper
+import wakeup_helper
+
+# rate at which to refresh the pyportal screen, in seconds
+PYPORTAL_REFRESH = 15
+
+# Get wifi details and more from a secrets.py file
+try:
+    from secrets import secrets
+except ImportError:
+    print("WiFi secrets are kept in secrets.py, please add them there!")
+    raise
+
+# PyPortal ESP32 Setup
+esp32_cs = DigitalInOut(board.ESP_CS)
+esp32_ready = DigitalInOut(board.ESP_BUSY)
+esp32_reset = DigitalInOut(board.ESP_RESET)
+spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
+esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
+status_light = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
+wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
+
+# Set your Adafruit IO Username and Key in secrets.py
+# (visit io.adafruit.com if you need to create an account,
+# or if you need your Adafruit IO key.)
+try:
+    ADAFRUIT_IO_USER = secrets['aio_username']
+    ADAFRUIT_IO_KEY = secrets['aio_key']
+except KeyError:
+    raise KeyError('To use this code, you need to include your Adafruit IO username \
+and password in a secrets.py file on the CIRCUITPY drive.')
+
+# Create an instance of the Adafruit IO REST client
+io = RESTClient(ADAFRUIT_IO_USER, ADAFRUIT_IO_KEY, wifi)
+
+# Get the temperature feed from Adafruit IO
+temperature_feed = io.get_feed('temperature')
+
+# init. graphics helper
+gfx = wakeup_helper.Thermometer_GFX(celsius=False)
+
+# init. adt7410
+i2c_bus = busio.I2C(board.SCL, board.SDA)
+
+while True:
+    try: # WiFi Connection
+        # Get and display date and time form Adafruit IO
+        print('Getting time from Adafruit IO...')
+        datetime = io.receive_time()
+        print('displaying time...')
+        gfx.display_date_time(datetime)
+    except (ValueError, RuntimeError) as e: # WiFi Connection Failure
+        print("Failed to get data, retrying\n", e)
+        wifi.reset()
+        continue
+    time.sleep(PYPORTAL_REFRESH)

PyPortal_Wakeup_Light/wakeup_helper.py

@@ -0,0 +1,90 @@
+"""
+GFX helper file for
+wake_up_light.py.py
+"""
+import board
+import displayio
+from adafruit_display_text.label import Label
+from adafruit_bitmap_font import bitmap_font
+
+cwd = ("/"+__file__).rsplit('/', 1)[0] # the current working directory (where this file is)
+
+# Fonts within /fonts folder
+info_font = cwd+"/fonts/Nunito-Black-17.bdf"
+time_font = cwd+"/fonts/Nunito-Light-75.bdf"
+
+get_up_time = "6:30"
+get_up_time_text = "Wake up at: " + get_up_time + "am"
+light_on_time_text = "Light starting at: " # - 30 minutes? how?
+
+class Thermometer_GFX(displayio.Group):
+    def __init__(self, celsius=True, usa_date=True):
+        """Creates a Thermometer_GFX object.
+        :param bool usa_date: Use mon/day/year date-time formatting.
+        """
+        # root displayio group
+        root_group = displayio.Group(max_size=20)
+        board.DISPLAY.show(root_group)
+        super().__init__(max_size=20)
+
+        self._usa_date = usa_date
+
+        # create text object group
+        self._text_group = displayio.Group(max_size=6)
+        self.append(self._text_group)
+
+        self._cwd = cwd
+
+        print('loading fonts...')
+        glyphs = b'0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-,.:/ '
+        self.info_font = bitmap_font.load_font(info_font)
+        self.info_font.load_glyphs(glyphs)
+
+        self.time_font = bitmap_font.load_font(time_font)
+        self.time_font.load_glyphs(glyphs)
+
+        print('setting up labels...')
+        self.title_text = Label(self.info_font, text="PyPortal Wake-Up Light")
+        self.title_text.x = 15
+        self.title_text.y = 15
+        self._text_group.append(self.title_text)
+
+        # Wake up time
+        self.subtitle_text = Label(self.info_font, text= get_up_time_text)
+        self.subtitle_text.x = 15
+        self.subtitle_text.y = 200
+        self._text_group.append(self.subtitle_text)
+
+        #Light on time - how to subtract 30 min from time string
+        self.subtitle2_text = Label(self.info_font, text= light_on_time_text)
+        self.subtitle2_text.x = 15
+        self.subtitle2_text.y = 240
+        # self._text_group.append(self.subtitle2_text)
+
+        # Time
+        self.time_text = Label(self.time_font, max_glyphs=40)
+        self.time_text.x = 65
+        self.time_text.y = 120
+        self._text_group.append(self.time_text)
+
+        # Date
+        self.date_text = Label(self.info_font, max_glyphs=40)
+        self.date_text.x = 30
+        self.date_text.y = 160
+        self._text_group.append(self.date_text)
+
+        board.DISPLAY.show(self._text_group)
+
+
+    def display_date_time(self, io_time):
+        """Parses and displays the time obtained from Adafruit IO, based on IP
+        :param struct_time io_time: Structure used for date/time, returned from Adafruit IO.
+        """
+        self.time_text.text = '%02d:%02d'%(io_time[3],io_time[4])
+        '''
+        # not siplaying date just yet
+        if not self._usa_date:
+            self.date_text.text = '{0}/{1}/{2}'.format(io_time[2], io_time[1], io_time[0])
+        else:
+            self.date_text.text = '{0}/{1}/{2}'.format(io_time[1], io_time[2], io_time[0])
+        '''