def init_connect(self):
self.esp.soft_reset()
self.wifi = adafruit_espatcontrol_wifimanager.ESPAT_WiFiManager(
self.esp, self.secrets)
### A few retries here seems to greatly improve reliability
for _ in range(4):
if self.debug:
print("Connecting to WiFi...")
try:
self.wifi.connect()
self.esp_version = self.esp.get_version()
if self.debug:
print("Connected!")
break
except (RuntimeError, TypeError,
adafruit_espatcontrol.OKError) as ex:
if self.debug:
print("EXCEPTION: Failed to publish()", repr(ex))
time.sleep(RECONNECT_SLEEP)
### This uses global variables
socket.set_interface(self.esp)
### MQTT Client
### pylint: disable=protected-access
self.mqtt_client = MQTT.MQTT(broker="io.adafruit.com",
username=self.secrets["aio_username"],
password=self.secrets["aio_key"],
socket_pool=socket,
ssl_context=MQTT._FakeSSLContext(
self.esp))
self.io = IO_MQTT(self.mqtt_client)
### Callbacks of interest on io are
### on_connect on_disconnect on_subscribe
self.io.connect()
TX = board.ESP_RX
resetpin = DigitalInOut(board.ESP_WIFI_EN)
rtspin = DigitalInOut(board.ESP_CTS)
uart = busio.UART(TX, RX, timeout=0.1)
esp_boot = DigitalInOut(board.ESP_BOOT_MODE)
esp_boot.direction = Direction.OUTPUT
esp_boot.value = True
status_light = None
print("ESP AT commands")
esp = adafruit_espatcontrol.ESP_ATcontrol(uart,
115200,
reset_pin=resetpin,
rts_pin=rtspin,
debug=False)
wifi = adafruit_espatcontrol_wifimanager.ESPAT_WiFiManager(
esp, secrets, status_light)
counter = 0
while True:
try:
print("Posting data...", end='')
data = counter
feed = 'test'
payload = {'value': data}
response = wifi.post("https://io.adafruit.com/api/v2/" +
secrets['aio_username'] + "/feeds/" + feed +
"/data",
json=payload,
headers={"X-AIO-KEY": secrets['aio_key']})
print(response.json())
except ImportError:
print("WiFi secrets are kept in secrets.py, please add them there!")
raise
PIN_RX = board.GP1
PIN_TX = board.GP0
uart = busio.UART(PIN_TX, PIN_RX, baudrate=115200, receiver_buffer_size=2048)
print("ESP AT commands")
esp = adafruit_espatcontrol.ESP_ATcontrol(uart,
115200,
reset_pin=None,
rts_pin=None,
debug=secrets["debugflag"])
wifi = adafruit_espatcontrol_wifimanager.ESPAT_WiFiManager(esp, secrets, None)
# try to connect
while True:
try:
print("connecting to AP...")
wifi.connect()
break
except Exception as e:
print("Failed:\n", e)
continue
# setup UDP
while True:
try:
print("connecting to UDP-server %s:%d" %
