1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT
# Updated for Circuit Python 9.0
"""WiFi Simpletest"""

import os

import adafruit_connection_manager
import wifi

import adafruit_requests

# Get WiFi details, ensure these are setup in settings.toml
ssid = os.getenv("CIRCUITPY_WIFI_SSID")
password = os.getenv("CIRCUITPY_WIFI_PASSWORD")

TEXT_URL = "http://wifitest.adafruit.com/testwifi/index.html"
JSON_GET_URL = "https://httpbin.org/get"
JSON_POST_URL = "https://httpbin.org/post"

# Initalize Wifi, Socket Pool, Request Session
pool = adafruit_connection_manager.get_radio_socketpool(wifi.radio)
ssl_context = adafruit_connection_manager.get_radio_ssl_context(wifi.radio)
requests = adafruit_requests.Session(pool, ssl_context)
rssi = wifi.radio.ap_info.rssi

print(f"\nConnecting to {ssid}...")
print(f"Signal Strength: {rssi}")
try:
    # Connect to the Wi-Fi network
    wifi.radio.connect(ssid, password)
except OSError as e:
    print(f"❌ OSError: {e}")
print("✅ Wifi!")

print(f" | GET Text Test: {TEXT_URL}")
with requests.get(TEXT_URL) as response:
    print(f" | ✅ GET Response: {response.text}")
print("-" * 80)

print(f" | GET Full Response Test: {JSON_GET_URL}")
with requests.get(JSON_GET_URL) as response:
    print(f" | ✅ Unparsed Full JSON Response: {response.json()}")
print("-" * 80)

DATA = "This is an example of a JSON value"
print(f" | ✅ JSON 'value' POST Test: {JSON_POST_URL} {DATA}")
with requests.post(JSON_POST_URL, data=DATA) as response:
    json_resp = response.json()
    # Parse out the 'data' key from json_resp dict.
    print(f" | ✅ JSON 'value' Response: {json_resp['data']}")
print("-" * 80)

json_data = {"Date": "January 1, 1970"}
print(f" | ✅ JSON 'key':'value' POST Test: {JSON_POST_URL} {json_data}")
with requests.post(JSON_POST_URL, json=json_data) as response:
    json_resp = response.json()
    # Parse out the 'json' key from json_resp dict.
    print(f" | ✅ JSON 'key':'value' Response: {json_resp['json']}")
print("-" * 80)

print("Finished!")

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT
# Updated for Circuit Python 9.0

"""WiFi Advanced Example"""

import os

import adafruit_connection_manager
import wifi

import adafruit_requests

# Get WiFi details, ensure these are setup in settings.toml
ssid = os.getenv("CIRCUITPY_WIFI_SSID")
password = os.getenv("CIRCUITPY_WIFI_PASSWORD")

# Initalize Wifi, Socket Pool, Request Session
pool = adafruit_connection_manager.get_radio_socketpool(wifi.radio)
ssl_context = adafruit_connection_manager.get_radio_ssl_context(wifi.radio)
requests = adafruit_requests.Session(pool, ssl_context)
rssi = wifi.radio.ap_info.rssi

# URL for GET request
JSON_GET_URL = "https://httpbin.org/get"
# Define a custom header as a dict.
headers = {"user-agent": "blinka/1.0.0"}

print(f"\nConnecting to {ssid}...")
print(f"Signal Strength: {rssi}")
try:
    # Connect to the Wi-Fi network
    wifi.radio.connect(ssid, password)
except OSError as e:
    print(f"❌ OSError: {e}")
print("✅ Wifi!")

# Define a custom header as a dict.
headers = {"user-agent": "blinka/1.0.0"}
print(f" | Fetching URL {JSON_GET_URL}")

# Use with statement for retreiving GET request data
with requests.get(JSON_GET_URL, headers=headers) as response:
    json_data = response.json()
    headers = json_data["headers"]
    content_type = response.headers.get("content-type", "")
    date = response.headers.get("date", "")
    if response.status_code == 200:
        print(f" | 🆗 Status Code: {response.status_code}")
    else:
        print(f" | ❌ Status Code: {response.status_code}")
    print(f" |  | Custom User-Agent Header: {headers['User-Agent']}")
    print(f" |  | Content-Type: {content_type}")
    print(f" |  | Response Timestamp: {date}")

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import os

import adafruit_connection_manager
import board
import busio
from adafruit_esp32spi import adafruit_esp32spi
from digitalio import DigitalInOut

import adafruit_requests

# Get WiFi details, ensure these are setup in settings.toml
ssid = os.getenv("CIRCUITPY_WIFI_SSID")
password = os.getenv("CIRCUITPY_WIFI_PASSWORD")

# 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)

# If you have an AirLift Featherwing or ItsyBitsy Airlift:
# esp32_cs = DigitalInOut(board.D13)
# esp32_ready = DigitalInOut(board.D11)
# esp32_reset = DigitalInOut(board.D12)

spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
radio = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)

print("Connecting to AP...")
while not radio.is_connected:
    try:
        radio.connect_AP(ssid, password)
    except RuntimeError as e:
        print("could not connect to AP, retrying: ", e)
        continue
print("Connected to", str(radio.ap_info.ssid, "utf-8"), "\tRSSI:", radio.ap_info.rssi)

# Initialize a requests session
pool = adafruit_connection_manager.get_radio_socketpool(radio)
ssl_context = adafruit_connection_manager.get_radio_ssl_context(radio)
requests = adafruit_requests.Session(pool, ssl_context)

TEXT_URL = "http://wifitest.adafruit.com/testwifi/index.html"
JSON_GET_URL = "https://httpbin.org/get"
JSON_POST_URL = "https://httpbin.org/post"

print(f"Fetching text from {TEXT_URL}")
with requests.get(TEXT_URL) as response:
    print("-" * 40)
    print("Text Response: ", response.text)
    print("-" * 40)

print(f"Fetching JSON data from {JSON_GET_URL}")
with requests.get(JSON_GET_URL) as response:
    print("-" * 40)
    print("JSON Response: ", response.json())
    print("-" * 40)

data = "31F"
print(f"POSTing data to {JSON_POST_URL}: {data}")
with requests.post(JSON_POST_URL, data=data) as response:
    print("-" * 40)
    json_resp = response.json()
    # Parse out the 'data' key from json_resp dict.
    print("Data received from server:", json_resp["data"])
    print("-" * 40)

json_data = {"Date": "July 25, 2019"}
print(f"POSTing data to {JSON_POST_URL}: {json_data}")
with requests.post(JSON_POST_URL, json=json_data) as response:
    print("-" * 40)
    json_resp = response.json()
    # Parse out the 'json' key from json_resp dict.
    print("JSON Data received from server:", json_resp["json"])
    print("-" * 40)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import adafruit_connection_manager
import board
import busio
from adafruit_wiznet5k.adafruit_wiznet5k import WIZNET5K
from digitalio import DigitalInOut

import adafruit_requests

cs = DigitalInOut(board.D10)
spi_bus = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)

# Initialize ethernet interface with DHCP
radio = WIZNET5K(spi_bus, cs)

# Initialize a requests session
pool = adafruit_connection_manager.get_radio_socketpool(radio)
ssl_context = adafruit_connection_manager.get_radio_ssl_context(radio)
requests = adafruit_requests.Session(pool, ssl_context)

TEXT_URL = "http://wifitest.adafruit.com/testwifi/index.html"
JSON_GET_URL = "http://httpbin.org/get"
JSON_POST_URL = "http://httpbin.org/post"

print(f"Fetching text from {TEXT_URL}")
with requests.get(TEXT_URL) as response:
    print("-" * 40)
    print("Text Response: ", response.text)
    print("-" * 40)

print(f"Fetching JSON data from {JSON_GET_URL}")
with requests.get(JSON_GET_URL) as response:
    print("-" * 40)
    print("JSON Response: ", response.json())
    print("-" * 40)

data = "31F"
print(f"POSTing data to {JSON_POST_URL}: {data}")
with requests.post(JSON_POST_URL, data=data) as response:
    print("-" * 40)
    json_resp = response.json()
    # Parse out the 'data' key from json_resp dict.
    print("Data received from server:", json_resp["data"])
    print("-" * 40)

json_data = {"Date": "July 25, 2019"}
print(f"POSTing data to {JSON_POST_URL}: {json_data}")
with requests.post(JSON_POST_URL, json=json_data) as response:
    print("-" * 40)
    json_resp = response.json()
    # Parse out the 'json' key from json_resp dict.
    print("JSON Data received from server:", json_resp["json"])
    print("-" * 40)