75 lines
2.1 KiB
Python
Executable file
75 lines
2.1 KiB
Python
Executable file
# SPDX-FileCopyrightText: 2019 Kattni Rembor for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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import board
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import displayio
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import adafruit_displayio_ssd1306
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import terminalio
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import adafruit_ds3231
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from adafruit_display_text import label
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font = terminalio.FONT
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displayio.release_displays()
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i2c = board.I2C()
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display_bus = displayio.I2CDisplay(i2c, device_address=0x3c)
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oled = adafruit_displayio_ssd1306.SSD1306(display_bus, width=128, height=32)
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rtc = adafruit_ds3231.DS3231(i2c)
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# The first time you run this code, you must set the time!
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# You must set year, month, date, hour, minute, second and weekday.
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# struct_time order: year, month, day (date), hour, minute, second, weekday , yearday, isdst
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# yearday is not supported, isdst can be set but we don't do anything with it at this time
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# UNCOMMENT THE FOLLOWING FOUR LINES THE FIRST TIME YOU RUN THE CODE TO SET THE TIME!
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# import time
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# set_time = time.struct_time((2019, 8, 16, 23, 59, 45, 4, -1, -1))
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# print("Setting time to:", set_time)
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# rtc.datetime = set_time
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# Comment out the above four lines again after setting the time!
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while True:
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current = rtc.datetime
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hour = current.tm_hour % 12
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if hour == 0:
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hour = 12
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am_pm = "AM"
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if current.tm_hour / 12 >= 1:
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am_pm = "PM"
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time_display = "{:d}:{:02d}:{:02d} {}".format(hour, current.tm_min, current.tm_sec, am_pm)
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date_display = "{:d}/{:d}/{:d}".format(current.tm_mon, current.tm_mday, current.tm_year)
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text_display = "CircuitPython Time"
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clock = label.Label(font, text=time_display)
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date = label.Label(font, text=date_display)
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text = label.Label(font, text=text_display)
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(_, _, width, _) = clock.bounding_box
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clock.x = oled.width // 2 - width // 2
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clock.y = 5
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(_, _, width, _) = date.bounding_box
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date.x = oled.width // 2 - width // 2
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date.y = 15
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(_, _, width, _) = text.bounding_box
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text.x = oled.width // 2 - width // 2
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text.y = 25
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watch_group = displayio.Group()
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watch_group.append(clock)
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watch_group.append(date)
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watch_group.append(text)
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oled.show(watch_group)
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