88 lines
3.2 KiB
Python
88 lines
3.2 KiB
Python
# SPDX-FileCopyrightText: 2020 Limor Fried for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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from os import getenv
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import time
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import board
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from digitalio import DigitalInOut
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from adafruit_esp32spi import adafruit_esp32spi
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from adafruit_esp32spi import adafruit_esp32spi_wifimanager
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from adafruit_featherwing import minitft_featherwing
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import terminalio
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from adafruit_display_text import label
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import displayio
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minitft = minitft_featherwing.MiniTFTFeatherWing()
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# Get WiFi details, ensure these are setup in settings.toml
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ssid = getenv("CIRCUITPY_WIFI_SSID")
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password = getenv("CIRCUITPY_WIFI_PASSWORD")
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if None in [ssid, password]:
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raise RuntimeError(
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"WiFi settings are kept in settings.toml, "
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"please add them there. The settings file must contain "
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"'CIRCUITPY_WIFI_SSID', 'CIRCUITPY_WIFI_PASSWORD', "
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"at a minimum."
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)
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# If you are using a board with pre-defined ESP32 Pins:
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esp32_cs = DigitalInOut(board.D13)
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esp32_ready = DigitalInOut(board.D11)
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esp32_reset = DigitalInOut(board.D12)
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spi = board.SPI()
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esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
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wifi = adafruit_esp32spi_wifimanager.WiFiManager(esp, ssid, password)
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# Symbol "INX" for S&P500, "DJIA" for Dow
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DATA_SOURCE = "https://www.alphavantage.co/query?function=GLOBAL_QUOTE&apikey="
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DATA_SOURCE += getenv('alphavantage_key')
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symbols = ["DJIA", "INX", "AAPL", "TSLA", "MSFT"]
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# Set text, font, and color
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group = displayio.Group()
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symbol_text = label.Label(terminalio.FONT, text="WiFi", color=0xFFFFFF, scale=3)
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symbol_text.anchor_point = (0.0, 0.0)
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symbol_text.anchored_position = (0, 10)
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price_text = label.Label(terminalio.FONT, text="Connect...", color=0xFFFF00, scale=3)
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price_text.anchor_point = (0, 1)
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price_text.anchored_position = (0, 75)
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change_text = label.Label(terminalio.FONT, text="", color=0xFFFF00, scale=2)
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change_text.anchor_point = (0, 0)
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change_text.anchored_position = (80, 10)
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group.append(symbol_text)
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group.append(price_text)
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group.append(change_text)
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minitft.display.root_group = group
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refresh = None
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i = 0
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while True:
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# only query the api every 10 sec (and on first run)
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if (not refresh) or ((time.monotonic() - refresh) > 10):
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try:
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symbol = symbols[i]
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i = (i + 1) % len(symbols) # go to the next symbol
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response = wifi.get(DATA_SOURCE+"&symbol="+symbol).json()
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print("Response is", response)
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symbol_text.text = response['Global Quote']['01. symbol']
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spot = round(float(response['Global Quote']['05. price']))
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price_text.text = '${:,d}'.format(spot)
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change = float(response['Global Quote']['09. change'])
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print("Price is $", spot, "Change: $", change)
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if change >= 0:
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change_text.text = '+${:,d}'.format(round(change))
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change_text.color = 0x00FF00
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else:
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change_text.text = '-${:,d}'.format(abs(round(change)))
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change_text.color = 0xFF0000
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refresh = time.monotonic()
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except RuntimeError as e:
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print("Some error occured, retrying! -", e)
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time.sleep(5)
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continue
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time.sleep(5)
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