52 lines
1.1 KiB
Python
52 lines
1.1 KiB
Python
from time import sleep, localtime
|
|
from machine import Pin, Timer
|
|
|
|
clock = Pin(3, mode=Pin.OUT)
|
|
latch = Pin(0, mode=Pin.OUT)
|
|
data = Pin(2, mode=Pin.OUT)
|
|
blink = 0
|
|
lookup = 11, 9, 12, 8, 0, 4, 1, 3, 2, 10
|
|
|
|
def bitbang_bit(value):
|
|
if value & 1:
|
|
data.on()
|
|
else:
|
|
data.off()
|
|
clock.on()
|
|
clock.off()
|
|
|
|
def bitbang_digit(digit):
|
|
bitbang_bit(blink)
|
|
for i in range(0,width):
|
|
bitbang_bit(lookup[digit] << i >> 3)
|
|
bitbang_bit(blink)
|
|
bitbang_bit(blink)
|
|
bitbang_bit(blink)
|
|
|
|
timer = Timer(-1)
|
|
|
|
def schedule(delay=0):
|
|
if delay:
|
|
timer.init(period=1000, mode=Timer.ONE_SHOT, callback=dump)
|
|
else:
|
|
dump()
|
|
|
|
def dump_time(hour, minute, second):
|
|
bitbang_digit(hour // 10)
|
|
bitbang_digit(hour % 10)
|
|
bitbang_digit(minute // 10)
|
|
bitbang_digit(minute % 10)
|
|
bitbang_digit(second // 10)
|
|
bitbang_digit(second % 10)
|
|
|
|
def dump(t=None):
|
|
global blink
|
|
year, month, day, hour, minute, second, _, millis = localtime()
|
|
dump_time((hour + 3) % 24, minute, second)
|
|
latch.on()
|
|
latch.off()
|
|
blink = 1-blink
|
|
schedule(1000-millis)
|
|
|
|
schedule()
|