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# SPDX-License-Identifier: LGPL-3.0-or-later
# Copyright (C) 2020 Daniel Thompson
import time
def sleep_ms(ms):
time.sleep(ms / 1000)
time.sleep_ms = sleep_ms
import draw565
from machine import I2C
from machine import Pin
from machine import SPI
from drivers.cst816s import CST816S
from drivers.st7789 import ST7789_SPI
from drivers.vibrator import Vibrator
class Backlight(object):
def __init__(self, level=1):
pass
def set(self, level):
"""Set the simulated backlight level.
This function contains a subtle trick. As soon as the backlight is
turned off (e.g. the watch goes to sleep) then we will simulate
a button press in order to turn the watch back on again.
"""
print(f'BACKLIGHT: {level}')
button.value(bool(level))
class Battery(object):
def __init__(self):
self.voltage = 3.9
self.step = -0.01
self.powered = False
def charging(self):
self.voltage_mv()
return self.powered
def power(self):
self.voltage_mv()
return self.powered
def voltage_mv(self):
if self.voltage > 4:
self.step = -0.01
self.powered = False
elif self.voltage < 3.4:
self.step = 0.04
self.powered = True
self.voltage += self.step
return int(self.voltage * 1000)
def level(self):
mv = self.voltage_mv()
level = ((19 * mv) // 100) - 660
if level > 100:
return 100
if level < 0:
return 0
return level
class RTC(object):
def __init__(self):
self.uptime = 0
def update(self):
now = time.time()
if now == self.uptime:
return False
self.uptime = now
return True
def get_localtime(self):
return time.localtime()
def get_time(self):
now = time.localtime()
return (now[3], now[4], now[5])
def uptime(self):
return time.time()
def get_uptime_ms(self):
return int(time.time() * 1000)
backlight = Backlight()
spi = SPI(0)
spi.init(polarity=1, phase=1, baudrate=8000000)
display = ST7789_SPI(240, 240, spi,
cs=Pin("DISP_CS", Pin.OUT, quiet=True),
dc=Pin("DISP_DC", Pin.OUT, quiet=True),
res=Pin("DISP_RST", Pin.OUT, quiet=True))
drawable = draw565.Draw565(display)
battery = Battery()
button = Pin('BUTTON', Pin.IN, quiet=True)
rtc = RTC()
touch = CST816S(I2C(0))
vibrator = Vibrator(Pin('MOTOR', Pin.OUT, value=0), active_low=True)
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