kopia lustrzana https://github.com/pimoroni/pimoroni-pico
61 wiersze
1.6 KiB
Python
61 wiersze
1.6 KiB
Python
import time
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import json
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try:
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import xmltok # https://pypi.org/project/micropython-xmltok/
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import io
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except ImportError:
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xmltok = None
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from micropython import const
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try:
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import ppwhttp
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except ImportError:
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raise RuntimeError("Cannot find ppwhttp. Have you copied ppwhttp.py to your Pico?")
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HTTP_REQUEST_DELAY = const(60)
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HTTP_REQUEST_PORT = const(80)
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HTTP_REQUEST_HOST = "api.thingspeak.com"
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HTTP_REQUEST_PATH = "/channels/1417/field/2/last.txt"
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ppwhttp.start_wifi()
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ppwhttp.set_dns(ppwhttp.GOOGLE_DNS)
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# Get our own local IP!
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my_ip = ppwhttp.get_ip_address()
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print("Local IP: {}.{}.{}.{}".format(*my_ip))
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def handler(head, body):
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if head["Status"] == "200 OK":
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if HTTP_REQUEST_PATH.endswith(".json"):
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# Parse as JSON
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data = json.loads(body)
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color = data['field2'][1:]
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elif HTTP_REQUEST_PATH.endswith(".xml") and xmltok is not None:
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# Parse as XML
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data = xmltok.tokenize(io.StringIO(body))
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color = xmltok.text_of(data, "field2")[1:]
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elif HTTP_REQUEST_PATH.endswith(".txt"):
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# Parse as plain text
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color = body[1:]
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else:
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print("Unable to parse API response!")
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return
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r = int(color[0:2], 16)
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g = int(color[2:4], 16)
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b = int(color[4:6], 16)
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ppwhttp.set_led(r, g, b)
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print("Set LED to {} {} {}".format(r, g, b))
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else:
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print("Error: {}".format(head["Status"]))
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while True:
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ppwhttp.http_request(HTTP_REQUEST_HOST, HTTP_REQUEST_PORT, HTTP_REQUEST_HOST, HTTP_REQUEST_PATH, handler)
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time.sleep(HTTP_REQUEST_DELAY)
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