MatrixPortal: My Clock

bitcoin-clock.py

# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams, written for Adafruit Industries
#
# SPDX-License-Identifier: Unlicense
"""
This example checks the current Bitcoin price and displays it in the middle of the screen
"""
import time
import board
import terminalio
from adafruit_matrixportal.matrixportal import MatrixPortal

# You can display in 'GBP', 'EUR' or 'USD'
CURRENCY = "USD"
# Set up where we'll be fetching data from
DATA_SOURCE = "https://api.coindesk.com/v1/bpi/currentprice.json"
DATA_LOCATION = ["bpi", CURRENCY, "rate_float"]

color_red = '#FF0000'
color_amber = '#CC4000'
color_greenish = '#85FF00'

# timezone = secrets['timezone']
# api_url = 'http://worldtimeapi.org/api/timezone/' + timezone

def update_time(*, hours=None, minutes=None, show_colon=False):
    now = time.localtime()  # Get the time values we need

    if hours is None:
        hours = now[3]

    if hours > 12:  # Handle times later than 12:59
        ampm = "pm"
        hours -= 12
    elif not hours:  # Handle times between 0:00 and 0:59
        ampm = "am"
        hours = 12
    else:
        ampm = "am"

    if minutes is None:
        minutes = now[4]

    return "{hours}:{minutes:02d} {ampm}".format(
        hours=hours, minutes=minutes, ampm=ampm
    )

def update_btc(val):
    if CURRENCY == "USD":
        return "$%d/BTC" % val
    if CURRENCY == "EUR":
        return "‎€%d/BTC" % val
    if CURRENCY == "GBP":
        return "£%d/BTC" % val
    return "%d/BTC" % val

def text_transform(val):
    return "  {time}\n{btc}".format(time=update_time(), btc=update_btc(val))

# the current working directory (where this file is)
cwd = ("/" + __file__).rsplit("/", 1)[0]

matrixportal = MatrixPortal(
    url=DATA_SOURCE,
    json_path=DATA_LOCATION,
    status_neopixel=board.NEOPIXEL,
)

network = matrixportal.network

matrixportal.add_text(
    text_font=terminalio.FONT,
    text_position=(2, 16),
    text_color=0x85FF00,
    text_transform=text_transform,
)
matrixportal.preload_font(b"$012345789")  # preload numbers
matrixportal.preload_font((0x00A3, 0x20AC))  # preload gbp/euro symbol

last_check = None
last_btc_value = None

while True:
    if last_check is None or time.monotonic() > last_check + 60:
        try:
            network.get_local_time()
            last_check = time.monotonic()
            last_btc_value = matrixportal.fetch()
            print("Response is", last_btc_value)            
        except (ValueError, RuntimeError) as e:
            print("Some error occured, retrying! -", e)

    #matrixportal.set_text(text_transform(last_btc_value))
    time.sleep(1)

code.py

# Based on Usage Example from MatrixPortal docs:
# https://docs.circuitpython.org/projects/matrixportal/en/latest/

import time
import board
import terminalio
from adafruit_matrixportal.matrixportal import MatrixPortal

from secrets import secrets

# --- Display setup ---
matrixportal = MatrixPortal(
    status_neopixel=board.NEOPIXEL, 
    debug=True
)

# Create a new label with the color and text selected
matrixportal.add_text(
    text_font=terminalio.FONT,
    text_position=(0, (matrixportal.graphics.display.height // 2) - 1),
    scrolling=True,
)

SCROLL_DELAY = 0.03

def update_time(*, hours=None, minutes=None, show_colon=False):
    now = time.localtime()  # Get the time values we need

    if hours is None:
        hours = now[3]

    if hours > 12:  # Handle times later than 12:59
        ampm = "pm"
        hours -= 12
    elif not hours:  # Handle times between 0:00 and 0:59
        ampm = "am"
        hours = 12
    else:
        ampm = "am"

    if minutes is None:
        minutes = now[4]

    return "{hours}:{minutes:02d} {ampm}".format(
        hours=hours, minutes=minutes, ampm=ampm
    )


contents = [
    { 'text': update_time(), 'color': '#CC4000' },
    { 'text': secrets["timezone"], 'color': '#85FF00' },
]

while True:
    for content in contents:
        matrixportal.set_text(content['text'])

        # Set the text color
        matrixportal.set_text_color(content['color'])

        # Scroll it
        matrixportal.scroll_text(SCROLL_DELAY)

scroller.py

# Based on Usage Example from MatrixPortal docs:
# https://docs.circuitpython.org/projects/matrixportal/en/latest/

import time
import board
import terminalio
from adafruit_matrixportal.matrixportal import MatrixPortal
from adafruit_matrixportal.network import Network

from secrets import secrets

SCROLL_DELAY = 0.03

color_red = '#FF0000'
color_amber = '#CC4000'
color_greenish = '#85FF00'

timezone = secrets['timezone']
api_url = 'http://worldtimeapi.org/api/timezone/' + timezone

# --- Display setup ---
matrixportal = MatrixPortal(
    url=api_url,
    json_path=['datetime'],
    status_neopixel=board.NEOPIXEL, 
    debug=True
)

# Create a new label with the color and text selected
matrixportal.add_text(
    text_font=terminalio.FONT,
    text_position=(0, (matrixportal.graphics.display.height // 2) - 1),
    scrolling=True,
)

contents = [
    { "text": timezone, "color": color_amber },
    { 'text': "Young, dumb, and full of ... you know ;)", 'color': color_red },
]

def fetch_time():
    try:
        value = matrixportal.fetch()
        matrixportal.set_text(value)
        matrixportal.set_text_color(color_greenish)
        matrixportal.scroll_text(SCROLL_DELAY)
        print("Response is", value)
    except (ValueError, RuntimeError) as e:
        print("Some error occured, retrying! -", e)

while True:

    fetch_time()

    for content in contents:
        matrixportal.set_text(content['text'])

        # Set the text color
        matrixportal.set_text_color(content['color'])

        # Scroll it
        matrixportal.scroll_text(SCROLL_DELAY)