def __init__(self):
# Set up watchdog timer
self.watchdog = microcontroller.watchdog
self.watchdog.deinit()
self.watchdog.timeout = WATCHDOG_TIMEOUT
self.watchdog.mode = WATCHDOG_MODE
# Set up heartbeat output (i.e red LED)
self._heartbeat = digitalio.DigitalInOut(HEARTBEAT_PIN)
self._heartbeat.direction = digitalio.Direction.OUTPUT
self._heartbeat_duration = HEARTBEAT_DURATION
# Set up I2C bus
i2c = busio.I2C(board.SCL, board.SDA)
# Set up SPI bus
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
# Set up real time clock as source for time.time() or time.localtime() calls.
print("Initialising real time clock.\n\n\n\n")
clock = PCF8523(i2c)
rtc.set_time_source(clock)
print("Initialising display.\n\n\n\n")
self.display = Display(self, DISPLAY_TIMEOUT, i2c, spi)
print("Initialising lights.\n\n\n\n")
self.lights = Lights(LIGHTS_ON_TIME, LIGHTS_OFF_TIME, LIGHTS_ENABLE_PIN, LIGHTS_DISABLE_PIN)
print("Initialising feeder.\n\n\n\n")
self.feeder = Feeder(FEEDING_TIMES, PORTIONS_PER_MEAL, FEEDER_MOTOR, FEEDER_STEPS_PER_ROTATION,
FEEDER_STEP_DELAY, FEEDER_STEP_STYLE, i2c)
print("Initialising temperature sensors.\n\n\n\n")
ow_bus = OneWireBus(OW_PIN)
self.water_sensor = TemperatureSensor(ow_bus, WATER_SN, WATER_OFFSET)
self.air_sensor = TemperatureSensor(ow_bus, AIR_SN, AIR_OFFSET)
# Set up SD card
print("Setting up logging.\n\n\n\n")
cs = digitalio.DigitalInOut(SD_CS)
sdcard = SDCard(spi, cs)
vfs = storage.VfsFat(sdcard)
storage.mount(vfs, "/sd")
self._log_data = LOG_DATA
self._log_interval = time_tuple_to_secs(LOG_INTERVAL)
self._last_log = None
print("Initialising Bluetooth.\n\n\n\n")
self._ble = BLERadio()
self._ble._adapter.name = BLE_NAME
self._ble_uart = UARTService()
self._ble_ad = ProvideServicesAdvertisement(self._ble_uart)
def push_to_local():
global chip
rtc.set_time_source(chip)
# time while there is powersource (ie coin cell battery)
import time
import board
import busio
import rtc
import adafruit_gps
uart = busio.UART(board.TX, board.RX, baudrate=9600, timeout=3000)
gps = adafruit_gps.GPS(uart, debug=False)
gps.send_command(b'PMTK314,0,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0')
gps.send_command(b'PMTK220,1000')
print("Set GPS as time source")
rtc.set_time_source(gps)
last_print = time.monotonic()
while True:
gps.update()
# Every second print out current time from GPS, RTC and time.localtime()
current = time.monotonic()
if current - last_print >= 1.0:
last_print = current
# Time & date from GPS informations
print('Fix timestamp: {:02}/{:02}/{} {:02}:{:02}:{:02}'.format(
gps.timestamp_utc.tm_mon, # Grab parts of the time from the
gps.timestamp_utc.tm_mday, # struct_time object that holds
gps.timestamp_utc.tm_year, # the fix time. Note you might
gps.timestamp_utc.tm_hour, # not get all data like year, day,
#-------------------------------------------------------------------------
# Get sekrets from a secrets.py file
try:
from secrets import secrets
totp_keys = secrets["totp_keys"]
except ImportError:
print("Secrets are kept in secrets.py, please add them there!")
raise
except KeyError:
print("TOTP info not found in secrets.py.")
raise
# set board to use PCF8523 as its RTC
pcf = adafruit_pcf8523.PCF8523(board.I2C())
rtc.set_time_source(pcf)
#-------------------------------------------------------------------------
# H I D S E T U P
#-------------------------------------------------------------------------
time.sleep(1) # Sleep for a bit to avoid a race condition on some systems
keyboard = Keyboard(usb_hid.devices)
keyboard_layout = KeyboardLayoutUS(keyboard) # We're in the US :)
#-------------------------------------------------------------------------
# D I S P L A Y S E T U P
#-------------------------------------------------------------------------
display = board.DISPLAY
# Secret Code font by Matthew Welch
# http://www.squaregear.net/fonts/
import digitalio
import rtc
import ds1302
# Define the clock, data and enable pins
clkpin = digitalio.DigitalInOut(board.D10)
datapin = digitalio.DigitalInOut(board.D11)
cepin = digitalio.DigitalInOut(board.D12)
# Instantiate the ds1302 class
ds1302 = ds1302.DS1302(clkpin, datapin, cepin)
# Now, let us set the time
the_time = time.struct_time((2018, 10, 22, 10, 34, 30, 1, -1, -1))
ds1302.write_datetime(the_time)
# Redefine the RTC class to link with the ds1302
class RTC(object):
@property
def datetime(self):
return ds1302.read_datetime()
# Instantiate the rtc class and set the time source
r = RTC()
rtc.set_time_source(r)
# With this in place, you can now call the following to get the time!
time.localtime()