def __connect(cs_pin, ready_pin, reset_pin, secrets) -> ESPSPI_WiFiManager:
logger = logging.getLogger("log")
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
esp = adafruit_esp32spi.ESP_SPIcontrol(spi, cs_pin, ready_pin, reset_pin)
wifi = ESPSPI_WiFiManager(esp, secrets, attempts=5)
MQTT.set_socket(socket, esp)
logger.debug("MAC addr: " + ", ".join([hex(i) for i in esp.MAC_address]))
logger.debug("Connecting to AP...")
wifi.connect()
logger.info("Connected to " + str(esp.ssid, "utf-8") + "\tRSSI: " +
str(esp.rssi))
logger.debug("My IP address is " + esp.pretty_ip(esp.ip_address))
logger.debug("Setting time")
ntp = NTP(esp)
while not ntp.valid_time:
ntp.set_time()
logger.debug("Failed to obtain time, retrying in 1 second...")
time.sleep(1)
logger.info("Time: " + str(time.time()))
return wifi
def __connect(self, spi, cs, ready, reset, log):
esp = adafruit_esp32spi.ESP_SPIcontrol(spi, cs, ready, reset)
requests.set_socket(socket, esp)
if log:
print("MAC addr:", [hex(i) for i in esp.MAC_address])
print("Connecting to AP...")
while not esp.is_connected:
try:
esp.connect_AP(secrets['ssid'], secrets['password'])
except RuntimeError as e:
if log:
print("could not connect to AP, retrying: ",e)
continue
if log:
print("Connected to", str(esp.ssid, 'utf-8'), "\tRSSI:", esp.rssi)
print("My IP address is", esp.pretty_ip(esp.ip_address))
self.__wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets)
ntp = NTP(self.__esp)
while not ntp.valid_time:
ntp.set_time()
print("Failed to obtain time, retrying in 1 seconds...")
time.sleep(1)
print("Time:", time.time())
def get_time():
try:
ntp = NTP(esp)
# Wait for a valid time to be received
while not ntp.valid_time:
print("Setting time..", end='')
ntp.set_time()
time.sleep(1)
current_time = time.time()
print("Got time:", current_time)
if current_time < 1619250585:
print('Time sanity check failed, rebooting')
data_display_label.text = "TimeERR"
time.sleep(10)
supervisor.reload()
else:
return (current_time)
except Exception as e:
print("Unable to get time, restarting!!!", e)
#network_check()
supervisor.reload(
) # Restart the program if unable to get time, hack to work around intermittent "repeated socket failures" errors
# from adafruit_esp32spi import PWMOut
# RED_LED = PWMOut.PWMOut(esp, 26)
# GREEN_LED = PWMOut.PWMOut(esp, 27)
# BLUE_LED = PWMOut.PWMOut(esp, 25)
# status_light = adafruit_rgbled.RGBLED(RED_LED, BLUE_LED, GREEN_LED)
wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)
print("Connecting to WiFi...")
wifi.connect()
print("Connected to WiFi!")
print("Getting the time...")
ntp = NTP(esp)
# Wait for a valid time to be received
while not ntp.valid_time:
time.sleep(5)
ntp.set_time()
print("Time:", str(time.time()))
# To use Azure IoT Central, you will need to create an IoT Central app.
# You can either create a free tier app that will live for 7 days without an Azure subscription,
# Or a standard tier app that will last for ever with an Azure subscription.
# The standard tiers are free for up to 2 devices
#
# If you don't have an Azure subscription:
#
# If you are a student, head to https://aka.ms/FreeStudentAzure and sign up, validating with your
try:
if choice == 0:
esp.connect_AP(secrets["ssid"], secrets["password"])
elif choice == 1:
esp.connect_AP(secrets["ssid2"], secrets["password2"])
except RuntimeError as e:
print("could not connect to AP, retrying: ", e)
choice += 1
if choice >= 2:
choice = 0
continue
print("Connected to", str(esp.ssid, "utf-8"), "\tRSSI:", esp.rssi)
# Get NTP time, may make several attempts
ntp = NTP(esp)
ntp.set_time()
while not ntp.valid_time:
print("time not valid...")
time.sleep(5)
ntp.set_time(60 * 60)
# Get the RTC time, not NTP updates RTC silently
rtc = RTC()
print("{:02}/{:02}/{:04} {:02}:{:02}".format(rtc.datetime.tm_mday,
rtc.datetime.tm_mon,
rtc.datetime.tm_year,
rtc.datetime.tm_hour,
rtc.datetime.tm_min))
# Use the OpenWeather API