62 lines
1.6 KiB
Python
62 lines
1.6 KiB
Python
# .deploy/send-it.sh \
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# ch-9/3-sensors/sensor_remote.py \
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# ch-9/3-sensors/robot_wifi.py \
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# ch-9/3-sensors/robot.py \
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# ch-9/3-sensors/pio_encoder.py \
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# ch-9/3-sensors/sensor.html
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import json
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from adafruit_esp32spi import adafruit_esp32spi_wsgiserver
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from adafruit_wsgi.wsgi_app import WSGIApp
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import robot_wifi
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import robot
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app = WSGIApp()
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@app.route("/")
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def index(request):
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with open("sensor.html") as fd:
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hello_html = fd.read()
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return 200, [('Content-Type',"text/html")], hello_html
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@app.route("/sensors")
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def sensors(request):
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sensor_data = {
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"left_distance": robot.left_distance.distance,
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}
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robot.left_distance.clear_interrupt()
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return 200, [('Content-Type', 'application/json')], json.dumps({sensor_data})
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print("Setting up wifi.")
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wifi, esp = robot_wifi.connect_to_wifi()
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server = adafruit_esp32spi_wsgiserver.WSGIServer(
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80,
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application=app
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)
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adafruit_esp32spi_wsgiserver.set_interface(esp)
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print("Initialising sensors")
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robot.left_distance.distance_mode = 1
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robot.left_distance.start_ranging()
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print("Starting server")
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server.start()
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ip_int = ".".join(str(int(n)) for n in esp.ip_address)
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print(f"IP Address is {ip_int}")
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while True:
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try:
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server.update_poll()
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# background task
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except:
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print("Shutting down wifi on failure. resetting ESP")
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wifi.reset()
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raise
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# Reader exercise
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# add the right distance to the distance sensor remote. Consider where to position the meter for this, how to return both sensors in
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# the sensors call. Don't forget to clear the interrupt to get new readings.
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