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__init__.py

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import display, wifi, time, random, system, easydraw, machine, os
from .metadata import imageNumbers

appName = system.currentApp()
if appName and machine.nvs_getstr("system", "default_app") != appName:
    machine.nvs_setstr("system", "default_app", appName)  # Set as default app

try:
    directory = '/'.join(__file__.split('/')[:-1])
except:
    directory = '/lib/mnist_handwritten_clock'

print('directory: ', directory)

try:
    testFile = os.stat('{}/digits/9_{}.PNG'.format(directory, imageNumbers[9]-1))
except:
    easydraw.msg("Extracting image data, please wait..", "MNIST clock", True)
    easydraw.msg("(this can take a few minutes)")
    easydraw.display.flush(easydraw.display.FLAG_FULL)
    from . import extractData
    if extractData.unpackImages():
        easydraw.msg("Done! restarting..")
        easydraw.display.flush(easydraw.display.FLAG_FULL)
        system.sleep(3000)
    else:
        easydraw.msg("Failed! Please remove and reinstall this app.")
        easydraw.msg("Restarting in 30s..")
        easydraw.display.flush(easydraw.display.FLAG_FULL)
        system.sleep(30000)

wifi.connect()

if (not wifi.wait(20)):
    easydraw.msg("Could not connect to WiFi!", "MNIST clock", True)
    easydraw.msg("Retrying in 10 seconds..")
    easydraw.display.flush(easydraw.display.FLAG_FULL)
    system.sleep(10000)

wifi.ntp(onlyIfNeeded=False) # Force NTP refresh
time.sleep(5)

image_height = 84
image_width = 60
colon_width = 21

spacing = int((display.width() - 4 * image_width - colon_width)/4)

y = int((display.height() - image_height)/2)

def randomDigit(number):
    return '{}/digits/{}_{}.PNG'.format(directory, number, random.randrange(imageNumbers[number]))

def printTime(hours, minutes):
    digits = [int(hours / 10 % 10), int(hours % 10), int(minutes / 10 % 10), int(minutes % 10)]

try:
        display.drawPng(0, y, randomDigit(digits[0]))
        display.drawPng(image_width + spacing, y, randomDigit(digits[1]))

display.drawPng(2 * (image_width + spacing), y, '{}/colon.png'.format(directory))

second_start = 2 * image_width + colon_width + 3 * spacing
        display.drawPng(second_start, y, randomDigit(digits[2]))
        display.drawPng(second_start + image_width + spacing, y, randomDigit(digits[3]))
    except:
        display.drawFill(0xFFFFFF)
        textWidth = display.getTextWidth('12 : 34', 'PermanentMarker36')
        display.drawText(int((display.width() - textWidth)/2), int((display.height() - 36)/2), '{}{} : {}{}'.format(*digits), 0x000000, 'PermanentMarker36')
        display.drawText(0,0, 'font error')

random.seed(int(time.time()))
curTime = time.localtime()

display.drawFill(0xFFFFFF)

printTime(curTime[3], curTime[4])
display.flush(display.FLAG_LUT_GREYSCALE)

sleepTime = 1000 * (60 - time.localtime()[5])

system.sleep(sleepTime) # Sleep until next minute

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MCH2022 badge?
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