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https://github.com/pybricks/pybricks-api.git
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Laurens Valk
b0ffb24a2e
These code samples are rendered in the docs, so we include them here. For the git history of these snippets, see: https://github.com/pybricks/pybricks-projects/commits/f4914069aaacfd9ab1e0dd6f05524f62cfc56b29/snippets
46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
from pybricks.pupdevices import ForceSensor
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from pybricks.parameters import Port
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from pybricks.tools import wait
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# Initialize the sensor.
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button = ForceSensor(Port.A)
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# This function waits until the button is pushed. It keeps track of the maximum
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# detected force until the button is released. Then it returns the maximum.
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def wait_for_force():
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# Wait for a force, by doing nothing for as long the force is nearly zero.
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print("Waiting for force.")
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while button.force() <= 0.1:
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wait(10)
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# Now we wait for the release, by waiting for the force to be zero again.
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print("Waiting for release.")
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# While we wait for that to happen, we keep reading the force and remember
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# the maximum force. We do this by initializing the maximum at 0, and
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# updating it each time we detect a bigger force.
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maximum = 0
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force = 10
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while force > 0.1:
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# Read the force.
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force = button.force()
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# Update the maximum if the measured force is larger.
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if force > maximum:
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maximum = force
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# Wait and then measure again.
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wait(10)
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# Return the maximum force.
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return maximum
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# Keep waiting for the sensor button to be pushed. When it is, display
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# the peak force and repeat.
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while True:
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peak = wait_for_force()
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print("Released. Peak force: {0} N\n".format(peak))
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