the big board of death

code.py

import adafruit_ht16k33.segments
import board
from digitalio import DigitalInOut, Direction
import time
from busio import I2C, SPI
import adafruit_esp32spi.adafruit_esp32spi_socket as socket
from adafruit_esp32spi import adafruit_esp32spi
import adafruit_requests as requests

try:
    from secrets import secrets
except ImportError:
    print("WiFi secrets are kept in secrets.py, please add them there!")
    raise

JSON_URL = "http://thebigboard.cc/feeds/v1/scoreboard.json"

# connect to wifi

esp32_cs = DigitalInOut(board.D13)
esp32_ready = DigitalInOut(board.D11)
esp32_reset = DigitalInOut(board.D12)

spi = SPI(board.SCK, board.MOSI, board.MISO)
esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
 
requests.set_socket(socket, esp)
 
if esp.status == adafruit_esp32spi.WL_IDLE_STATUS:
    print("ESP32 found and in idle mode")
print("Connecting to AP...")
while not esp.is_connected:
    try:
        esp.connect_AP(secrets["ssid"], secrets["password"])
    except RuntimeError as e:
        print("could not connect to AP, retrying: ", e)
        continue
print("Connected to", str(esp.ssid, "utf-8"), "\tRSSI:", esp.rssi)

# set up displays

for pin in [board.D5, board.D6, board.D9, board.D10]:
    enable = DigitalInOut(pin)
    enable.direction = Direction.OUTPUT
    enable.value = True

time.sleep(1)

i2c_1 = board.I2C()
i2c_2 = I2C(board.A3, board.A2)
i2c_3 = I2C(board.RX, board.TX)
i2c_4 = I2C(board.A1, board.A4)

brightnesses = [0.6, 0.6, 0.6, 0.6, 0.6, 0.6, 0.6, 0.6, 0.6, 0.15, 0.15, 0.15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
displays = list()

try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_1, address=0x70))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_1, address=0x71))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_1, address=0x72))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_1, address=0x74))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_1, address=0x75))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_1, address=0x76))
except ValueError:
    displays.append(None)

try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_2, address=0x70))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_2, address=0x71))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_2, address=0x72))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_2, address=0x74))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_2, address=0x75))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_2, address=0x76))
except ValueError:
    displays.append(None)

try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_3, address=0x70))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_3, address=0x71))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_3, address=0x72))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_3, address=0x74))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_3, address=0x75))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_3, address=0x76))
except ValueError:
    displays.append(None)

try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_4, address=0x70))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_4, address=0x71))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_4, address=0x72))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_4, address=0x74))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_4, address=0x75))
except ValueError:
    displays.append(None)
try:
    displays.append(adafruit_ht16k33.segments.Seg14x4(i2c_4, address=0x76))
except ValueError:
    displays.append(None)

while True:
    print("Fetching json from", JSON_URL)
    r = requests.get(JSON_URL)
    bigboard = r.json()
    r.close()
    print("Got standings updated at", bigboard["updated"])

    standings = bigboard["standings"]

    covid_index = 0
    for entry in standings:
        if entry["cause"] == "COVID-19":
            break
        covid_index += 1

    lines = []
    for i in range(covid_index - 3, covid_index + 4):
        lines.append("{0: <16}{1: >8}".format(standings[i]["cause"], standings[i]["deaths"]))


    for i in range(0, len(displays)):
        display = displays[i]
        if display is not None:
            display.brightness = brightnesses[i]
            display.fill(0)

    display_index = 0
    for i in range(0, len(lines)):
        line = lines[i]
        for j in range(0, 3):
            if displays[display_index] is not None:
                s = lines[i][j * 8:(j + 1) * 8]
                displays[display_index].print(s)
            j += 1
            display_index += 1

    print("Display updated")
    time.sleep(60 * 30) # wait half an hour before next update

segments.diff

--- /Users/joeycastillo/Downloads/Adafruit_CircuitPython_HT16K33-master/adafruit_ht16k33/segments.py	2020-04-09 09:34:36.000000000 -0400
+++ /Volumes/CIRCUITPY/lib/adafruit_ht16k33/segments.py	2020-07-15 21:45:10.000000000 -0400
@@ -184,12 +184,12 @@
             offset = 0
         else:
             offset = 2
-        for i in range(6):
+        for i in range(14):
             self._set_buffer(i + offset, self._get_buffer(i + 2 * count))
 
     def _put(self, char, index=0):
         """Put a character at the specified place."""
-        if not 0 <= index <= 3:
+        if not 0 <= index <= 7:
             return
         if not 32 <= ord(char) <= 127:
             return
@@ -206,8 +206,8 @@
         """Scroll the display and add a character at the end."""
         if char != "." or self._get_buffer(7) & 0b01000000:
             self.scroll()
-            self._put(" ", 3)
-        self._put(char, 3)
+            self._put(" ", 7)
+        self._put(char, 7)
 
     def _text(self, text):
         """Display the specified text."""