83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
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import time
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import plasma
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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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"""
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This example uses the Plasma WS2812 LED library to drive a string of LEDs alongside the built-in RGB LED.
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You should wire your LEDs to VBUS/GND and connect the data pin to pin 27 (unused by Pico Wireless).
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"""
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NUM_LEDS = 30 # Number of connected LEDs
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LED_PIN = 27 # LED data pin (27 is unused by Pico Wireless)
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LED_PIO = 0 # Hardware PIO (0 or 1)
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LED_SM = 0 # PIO State-Machine (0 to 3)
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r = 0
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g = 0
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b = 0
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led_strip = plasma.WS2812(NUM_LEDS, LED_PIO, LED_SM, LED_PIN)
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# Edit your routes here
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# Nothing fancy is supported, just plain ol' URLs and GET/POST methods
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@ppwhttp.route("/", methods=["GET", "POST"])
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def get_home(method, url, data=None):
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if method == "POST":
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global r, g, b
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r = int(data.get("r", 0))
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g = int(data.get("g", 0))
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b = int(data.get("b", 0))
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ppwhttp.set_led(r, g, b)
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for i in range(NUM_LEDS):
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led_strip.set_rgb(i, r, g, b)
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print("Set LED to {} {} {}".format(r, g, b))
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return """<form method="post" action="/">
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<input id="r" name="r" type="number" value="{r}" />
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<input name="g" type="number" value="{g}" />
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<input name="b" type="number" value="{b}" />
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<input type="submit" value="Set LED" />
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</form>""".format(r=r, g=g, b=b)
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@ppwhttp.route("/test", methods="GET")
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def get_test(method, url):
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return "Hello World!"
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ppwhttp.start_wifi()
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led_strip.start()
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server_sock = ppwhttp.start_server()
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while True:
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ppwhttp.handle_http_request(server_sock)
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time.sleep(0.01)
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# Whoa there! Did you know you could run the server polling loop
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# on Pico's *other* core!? Here's how:
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#
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# import _thread
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#
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# def server_loop_forever():
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# # Start a server and continuously poll for HTTP requests
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# server_sock = ppwhttp.start_server()
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# while True:
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# ppwhttp.handle_http_request(server_sock)
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# time.sleep(0.01)
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#
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# Handle the server polling loop on the other core!
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# _thread.start_new_thread(server_loop_forever, ())
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#
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# # Your very own main loop for fun and profit!
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# while True:
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# print("Colour: {} {} {}".format(r, g, b))
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# time.sleep(5.0)
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