ccaf12750b
Currently there's no fancy algorithms to estimate stride length. Just pure simple step counting directly from the hardware's "intelligence engine". Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>
136 lines
3.3 KiB
Python
136 lines
3.3 KiB
Python
# SPDX-License-Identifier: LGPL-3.0-or-later
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# Copyright (C) 2020 Daniel Thompson
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import time
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def sleep_ms(ms):
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time.sleep(ms / 1000)
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time.sleep_ms = sleep_ms
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import sys, traceback
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def print_exception(exc, file=sys.stdout):
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exc_type, exc_value, exc_traceback = sys.exc_info()
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traceback.print_exception(exc_type, exc_value, exc_traceback, file=file)
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sys.print_exception = print_exception
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import draw565
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from machine import I2C
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from machine import Pin
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from machine import SPI
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from drivers.cst816s import CST816S
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from drivers.st7789 import ST7789_SPI
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from drivers.vibrator import Vibrator
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class Accelerometer:
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"""Simulated accelerometer.
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Accelerometers such as BMA421 are complex and most of the driver
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is written in C. For that reason we simulate the accelerometer
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rather than emulate (by comparison we emulate the ST7789).
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"""
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def reset(self):
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self._steps = 3
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@property
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def steps(self):
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"""Report the number of steps counted."""
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if self._steps < 10000:
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self._steps = int(self._steps * 1.34)
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else:
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self._steps += 1
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return self._steps
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@steps.setter
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def steps(self, value):
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self.reset()
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class Backlight(object):
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def __init__(self, level=1):
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pass
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def set(self, level):
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"""Set the simulated backlight level.
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This function contains a subtle trick. As soon as the backlight is
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turned off (e.g. the watch goes to sleep) then we will simulate
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a button press in order to turn the watch back on again.
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"""
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print(f'BACKLIGHT: {level}')
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button.value(bool(level))
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class Battery(object):
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def __init__(self):
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self.voltage = 3.9
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self.step = -0.01
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self.powered = False
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def charging(self):
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self.voltage_mv()
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return self.powered
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def power(self):
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self.voltage_mv()
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return self.powered
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def voltage_mv(self):
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if self.voltage > 4:
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self.step = -0.01
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self.powered = False
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elif self.voltage < 3.4:
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self.step = 0.04
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self.powered = True
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self.voltage += self.step
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return int(self.voltage * 1000)
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def level(self):
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mv = self.voltage_mv()
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level = ((19 * mv) // 100) - 660
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if level > 100:
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return 100
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if level < 0:
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return 0
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return level
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class RTC(object):
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def __init__(self):
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self.uptime = 0
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def update(self):
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now = time.time()
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if now == self.uptime:
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return False
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self.uptime = now
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return True
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def get_localtime(self):
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return time.localtime()
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def get_time(self):
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now = time.localtime()
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return (now[3], now[4], now[5])
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def uptime(self):
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return time.time()
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def get_uptime_ms(self):
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return int(time.time() * 1000)
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backlight = Backlight()
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spi = SPI(0)
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spi.init(polarity=1, phase=1, baudrate=8000000)
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display = ST7789_SPI(240, 240, spi,
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cs=Pin("DISP_CS", Pin.OUT, quiet=True),
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dc=Pin("DISP_DC", Pin.OUT, quiet=True),
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res=Pin("DISP_RST", Pin.OUT, quiet=True))
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drawable = draw565.Draw565(display)
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accel = Accelerometer()
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battery = Battery()
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button = Pin('BUTTON', Pin.IN, quiet=True)
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rtc = RTC()
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touch = CST816S(I2C(0))
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vibrator = Vibrator(Pin('MOTOR', Pin.OUT, value=0), active_low=True)
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