kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
146 wiersze
4.4 KiB
Python
146 wiersze
4.4 KiB
Python
# aclock.py Test/demo program for nanogui
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# Orinally for ssd1351-based OLED displays but runs on most displays
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# Adafruit 1.5" 128*128 OLED display: https://www.adafruit.com/product/1431
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# Adafruit 1.27" 128*96 display https://www.adafruit.com/product/1673
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# Released under the MIT License (MIT). See LICENSE.
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# Copyright (c) 2021 Peter Hinch
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# UK daylight saving code adapted from
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# https://forum.micropython.org/viewtopic.php?f=2&t=4034
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# Winter UTC Summer (BST) is UTC+1H
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# Changes happen last Sundays of March (BST) and October (UTC) at 01:00 UTC
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# Ref. formulas : http://www.webexhibits.org/daylightsaving/i.html
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# Since 1996, valid through 2099
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# Initialise hardware and framebuf before importing modules.
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from color_setup import ssd # Create a display instance
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from gui.core.nanogui import refresh
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from gui.widgets.label import Label
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from gui.widgets.dial import Dial, Pointer
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refresh(ssd, True) # Initialise and clear display.
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# Now import other modules
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import cmath
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import time
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from gui.core.writer import CWriter
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from machine import RTC
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import asyncio
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import ntptime
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import do_connect # WiFi connction script
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# Font for CWriter
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import gc
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gc.collect()
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import gui.fonts.freesans20 as font
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from gui.core.colors import *
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bst = False
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def gbtime(now):
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global bst
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bst = False
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year = time.localtime(now)[0] # get current year
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# Time of March change to BST
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t_march = time.mktime((year, 3, (31 - (int(5 * year / 4 + 4)) % 7), 1, 0, 0, 0, 0, 0))
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# Time of October change to UTC
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t_october = time.mktime((year, 10, (31 - (int(5 * year / 4 + 1)) % 7), 1, 0, 0, 0, 0, 0))
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if now < t_march: # we are before last sunday of march
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gbt = time.localtime(now) # UTC
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elif now < t_october: # we are before last sunday of october
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gbt = time.localtime(now + 3600) # BST: UTC+1H
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bst = True
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else: # we are after last sunday of october
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gbt = time.localtime(now) # UTC
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return gbt
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async def set_rtc():
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rtc = RTC()
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while True:
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t = -1
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while t < 0:
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try:
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t = ntptime.time()
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except OSError:
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print("ntp timeout")
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await asyncio.sleep(5)
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s = gbtime(t) # Convert UTC to local (GB) time
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t0 = time.time()
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rtc.datetime(s[0:3] + (0,) + s[3:6] + (0,))
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print("RTC was set, delta =", time.time() - t0)
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await asyncio.sleep(600)
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async def ramcheck():
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while True:
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gc.collect()
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print("Free RAM:", gc.mem_free())
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await asyncio.sleep(600)
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async def aclock():
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do_connect.do_connect()
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asyncio.create_task(set_rtc())
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asyncio.create_task(ramcheck())
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uv = lambda phi: cmath.rect(1, phi) # Return a unit vector of phase phi
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pi = cmath.pi
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days = ("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")
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months = (
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"January",
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"February",
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"March",
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"April",
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"May",
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"June",
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"July",
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"August",
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"September",
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"October",
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"November",
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"December",
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)
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# Instantiate CWriter
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CWriter.set_textpos(ssd, 0, 0) # In case previous tests have altered it
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wri = CWriter(ssd, font, GREEN, BLACK, verbose=False)
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wri.set_clip(True, True, False)
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# Instantiate displayable objects
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dial = Dial(wri, 2, 2, height=130, ticks=12, bdcolor=None) # Border in fg color
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lbltim = Label(wri, 140, 2, 130)
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lblday = Label(wri, 170, 2, 130)
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lblmonth = Label(wri, 190, 2, 130)
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lblyr = Label(wri, 210, 2, 130)
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hrs = Pointer(dial)
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mins = Pointer(dial)
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secs = Pointer(dial)
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hstart = 0 + 0.7j # Pointer lengths and position at top
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mstart = 0 + 0.92j
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sstart = 0 + 0.92j
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t = time.localtime()
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while True:
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hrs.value(hstart * uv(-t[3] * pi / 6 - t[4] * pi / 360), YELLOW)
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mins.value(mstart * uv(-t[4] * pi / 30 - t[5] * pi / 1800), YELLOW)
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secs.value(sstart * uv(-t[5] * pi / 30), RED)
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lbltim.value("{:02d}.{:02d}.{:02d} {}".format(t[3], t[4], t[5], "BST" if bst else "UTC"))
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lblday.value("{}".format(days[t[6]]))
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lblmonth.value("{} {}".format(t[2], months[t[1] - 1]))
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lblyr.value("{}".format(t[0]))
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refresh(ssd)
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st = t
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while st == t:
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await asyncio.sleep_ms(100)
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t = time.localtime()
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try:
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asyncio.run(aclock())
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finally:
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_ = asyncio.new_event_loop()
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