Merge pull request #162 from adafruit/settings_dot_toml

Settings dot toml

Author: brentru

examples/esp32spi/minimqtt_adafruitio_esp32spi.py

@@ -1,25 +1,23 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
+import os
 import time
 import board
 import busio
 from digitalio import DigitalInOut
 import neopixel
 from adafruit_esp32spi import adafruit_esp32spi
-from adafruit_esp32spi import adafruit_esp32spi_wifimanager
 import adafruit_esp32spi.adafruit_esp32spi_socket as socket
 
 import adafruit_minimqtt.adafruit_minimqtt as MQTT
 
-### WiFi ###
+# Add settings.toml to your filesystem CIRCUITPY_WIFI_SSID and CIRCUITPY_WIFI_PASSWORD keys
+# with your WiFi credentials. Add your Adafruit IO username and key as well.
+# DO NOT share that file or commit it into Git or other source control.
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+aio_username = os.getenv("aio_username")
+aio_key = os.getenv("aio_key")
 
 # If you are using a board with pre-defined ESP32 Pins:
 esp32_cs = DigitalInOut(board.ESP_CS)
@@ -46,15 +44,14 @@
 # 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)
 
 ### Feeds ###
 
 # Setup a feed named 'photocell' for publishing to a feed
-photocell_feed = secrets["aio_username"] + "/feeds/photocell"
+photocell_feed = aio_username + "/feeds/photocell"
 
 # Setup a feed named 'onoff' for subscribing to changes
-onoff_feed = secrets["aio_username"] + "/feeds/onoff"
+onoff_feed = aio_username + "/feeds/onoff"
 
 ### Code ###
 
@@ -82,7 +79,7 @@ def message(client, topic, message):
 
 # Connect to WiFi
 print("Connecting to WiFi...")
-wifi.connect()
+esp.connect_AP(os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD"))
 print("Connected!")
 
 # Initialize MQTT interface with the esp interface
@@ -91,8 +88,8 @@ def message(client, topic, message):
 # Set up a MiniMQTT Client
 mqtt_client = MQTT.MQTT(
     broker="io.adafruit.com",
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
+    username=aio_username,
+    password=aio_key,
 )
 
 # Setup the callback methods above

examples/esp32spi/minimqtt_pub_sub_blocking_esp32spi.py

@@ -1,25 +1,23 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
+import os
 import time
 import board
 import busio
 from digitalio import DigitalInOut
 import neopixel
 from adafruit_esp32spi import adafruit_esp32spi
-from adafruit_esp32spi import adafruit_esp32spi_wifimanager
 import adafruit_esp32spi.adafruit_esp32spi_socket as socket
 
 import adafruit_minimqtt.adafruit_minimqtt as MQTT
 
-### WiFi ###
+# Add settings.toml to your filesystem CIRCUITPY_WIFI_SSID and CIRCUITPY_WIFI_PASSWORD keys
+# with your WiFi credentials. Add your Adafruit IO username and key as well.
+# DO NOT share that file or commit it into Git or other source control.
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+aio_username = os.getenv("aio_username")
+aio_key = os.getenv("aio_key")
 
 # If you are using a board with pre-defined ESP32 Pins:
 esp32_cs = DigitalInOut(board.ESP_CS)
@@ -46,12 +44,11 @@
 # 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)
 
 ### Adafruit IO Setup ###
 
 # Setup a feed named `testfeed` for publishing.
-default_topic = secrets["user"] + "/feeds/testfeed"
+default_topic = aio_username + "/feeds/testfeed"
 
 ### Code ###
 
@@ -82,15 +79,15 @@ def message(client, topic, message):
 
 # Connect to WiFi
 print("Connecting to WiFi...")
-wifi.connect()
+esp.connect_AP(os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD"))
 print("Connected!")
 
 # Initialize MQTT interface with the esp interface
 MQTT.set_socket(socket, esp)
 
 # Set up a MiniMQTT Client
 mqtt_client = MQTT.MQTT(
-    broker=secrets["broker"], username=secrets["user"], password=secrets["pass"]
+    broker="io.adafruit.com", username=aio_username, password=aio_key
 )
 
 # Setup the callback methods above
@@ -110,7 +107,11 @@ def message(client, topic, message):
         mqtt_client.loop()
     except (ValueError, RuntimeError) as e:
         print("Failed to get data, retrying\n", e)
-        wifi.reset()
+        esp.reset()
+        time.sleep(1)
+        esp.connect_AP(
+            os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD")
+        )
         mqtt_client.reconnect()
         continue
     time.sleep(1)

examples/esp32spi/minimqtt_pub_sub_nonblocking_esp32spi.py

@@ -1,25 +1,23 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
+import os
 import time
 import board
 import busio
 from digitalio import DigitalInOut
 import neopixel
 from adafruit_esp32spi import adafruit_esp32spi
-from adafruit_esp32spi import adafruit_esp32spi_wifimanager
 import adafruit_esp32spi.adafruit_esp32spi_socket as socket
 
 import adafruit_minimqtt.adafruit_minimqtt as MQTT
 
-### WiFi ###
+# Add settings.toml to your filesystem CIRCUITPY_WIFI_SSID and CIRCUITPY_WIFI_PASSWORD keys
+# with your WiFi credentials. Add your Adafruit IO username and key as well.
+# DO NOT share that file or commit it into Git or other source control.
 
-# Get wifi details and more from a secrets.py file
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
+aio_username = os.getenv("aio_username")
+aio_key = os.getenv("aio_key")
 
 # If you are using a board with pre-defined ESP32 Pins:
 esp32_cs = DigitalInOut(board.ESP_CS)
@@ -46,12 +44,11 @@
 # 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)
 
 ### Adafruit IO Setup ###
 
 # Setup a feed named `testfeed` for publishing.
-default_topic = secrets["user"] + "/feeds/testfeed"
+default_topic = aio_username + "/feeds/testfeed"
 
 
 ### Code ###
@@ -60,7 +57,7 @@
 def connected(client, userdata, flags, rc):
     # This function will be called when the client is connected
     # successfully to the broker.
-    print("Connected to MQTT broker! Listening for topic changes on %s" % default_topic)
+    print(f"Connected to MQTT broker! Listening for topic changes on {default_topic}")
     # Subscribe to all changes on the default_topic feed.
     client.subscribe(default_topic)
 
@@ -76,20 +73,20 @@ def message(client, topic, message):
     :param str topic: The topic of the feed with a new value.
     :param str message: The new value
     """
-    print("New message on topic {0}: {1}".format(topic, message))
+    print(f"New message on topic {topic}: {message}")
 
 
 # Connect to WiFi
 print("Connecting to WiFi...")
-wifi.connect()
+esp.connect_AP(os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD"))
 print("Connected!")
 
 # Initialize MQTT interface with the esp interface
 MQTT.set_socket(socket, esp)
 
 # Set up a MiniMQTT Client
 mqtt_client = MQTT.MQTT(
-    broker=secrets["broker"], username=secrets["user"], password=secrets["pass"]
+    broker="io.adafruit.com", username=aio_username, password=aio_key
 )
 
 # Setup the callback methods above
@@ -106,7 +103,7 @@ def message(client, topic, message):
     mqtt_client.loop()
 
     # Send a new message
-    print("Sending photocell value: %d" % photocell_val)
+    print(f"Sending photocell value: {photocell_val}")
     mqtt_client.publish(default_topic, photocell_val)
     photocell_val += 1
     time.sleep(0.5)

examples/minimqtt_simpletest.py

@@ -1,43 +1,59 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
-import ssl
-import socketpool
-import wifi
+import os
+import board
+import busio
+from digitalio import DigitalInOut
+from adafruit_esp32spi import adafruit_esp32spi
+import adafruit_esp32spi.adafruit_esp32spi_socket as socket
 import adafruit_minimqtt.adafruit_minimqtt as MQTT
 
-# Add a secrets.py to your filesystem that has a dictionary called secrets with "ssid" and
-# "password" keys with your WiFi credentials. DO NOT share that file or commit it into Git or other
-# source control.
-# pylint: disable=no-name-in-module,wrong-import-order
-try:
-    from secrets import secrets
-except ImportError:
-    print("WiFi secrets are kept in secrets.py, please add them there!")
-    raise
-
-# Set your Adafruit IO Username and Key in secrets.py
-# (visit io.adafruit.com if you need to create an account,
-# or if you need your Adafruit IO key.)
-aio_username = secrets["aio_username"]
-aio_key = secrets["aio_key"]
-
-print("Connecting to %s" % secrets["ssid"])
-wifi.radio.connect(secrets["ssid"], secrets["password"])
-print("Connected to %s!" % secrets["ssid"])
+# Add settings.toml to your filesystem CIRCUITPY_WIFI_SSID and CIRCUITPY_WIFI_PASSWORD keys
+# with your WiFi credentials. Add your Adafruit IO username and key as well.
+# DO NOT share that file or commit it into Git or other source control.
+
+aio_username = os.getenv("aio_username")
+aio_key = os.getenv("aio_key")
+
+# If you are using a board with pre-defined ESP32 Pins:
+esp32_cs = DigitalInOut(board.ESP_CS)
+esp32_ready = DigitalInOut(board.ESP_BUSY)
+esp32_reset = DigitalInOut(board.ESP_RESET)
+
+# If you have an externally connected ESP32:
+# esp32_cs = DigitalInOut(board.D9)
+# esp32_ready = DigitalInOut(board.D10)
+# esp32_reset = DigitalInOut(board.D5)
+
+spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
+esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
+
+print("Connecting to AP...")
+while not esp.is_connected:
+    try:
+        esp.connect_AP(
+            os.getenv("CIRCUITPY_WIFI_SSID"), os.getenv("CIRCUITPY_WIFI_PASSWORD")
+        )
+    except RuntimeError as e:
+        print("could not connect to AP, retrying: ", e)
+        continue
+print("Connected to", str(esp.ssid, "utf-8"), "\tRSSI:", esp.rssi)
 
 ### Topic Setup ###
 
 # MQTT Topic
 # Use this topic if you'd like to connect to a standard MQTT broker
-mqtt_topic = "test/topic"
+# mqtt_topic = "test/topic"
 
 # Adafruit IO-style Topic
 # Use this topic if you'd like to connect to io.adafruit.com
-# mqtt_topic = secrets["aio_username"] + '/feeds/temperature'
+mqtt_topic = aio_username + "/feeds/temperature"
 
 
 ### Code ###
+
+
 # Define callback methods which are called when events occur
 # pylint: disable=unused-argument, redefined-outer-name
 def connect(mqtt_client, userdata, flags, rc):
@@ -69,21 +85,17 @@ def publish(mqtt_client, userdata, topic, pid):
 
 
 def message(client, topic, message):
-    # Method called when a client's subscribed feed has a new value.
     print("New message on topic {0}: {1}".format(topic, message))
 
 
-# Create a socket pool
-pool = socketpool.SocketPool(wifi.radio)
+socket.set_interface(esp)
+MQTT.set_socket(socket, esp)
 
 # Set up a MiniMQTT Client
 mqtt_client = MQTT.MQTT(
-    broker=secrets["broker"],
-    port=secrets["port"],
-    username=secrets["aio_username"],
-    password=secrets["aio_key"],
-    socket_pool=pool,
-    ssl_context=ssl.create_default_context(),
+    broker="io.adafruit.com",
+    username=aio_username,
+    password=aio_key,
 )
 
 # Connect callback handlers to mqtt_client