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[wpimath] Replace Speeds with Velocities (#8479)
I left "free speed" alone since that's the technical term for it. In general, velocity is a vector quantity, and speed is a magnitude (i.e., a strictly positive value). This PR also replaces the speed verbiage in MotorController with duty cycle. Fixes #8423.
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@@ -91,12 +91,12 @@ class Drive(Subsystem):
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"arcadeDrive"
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)
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def driveDistanceCommand(self, distance: float, speed: float) -> Command:
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def driveDistanceCommand(self, distance: float, velocity: float) -> Command:
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"""Returns a command that drives the robot forward a specified distance at a specified
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speed.
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velocity.
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:param distance: The distance to drive forward in meters
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:param speed: The fraction of max speed at which to drive
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:param velocity: The fraction of max velocity at which to drive
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"""
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return (
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self.runOnce(
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@@ -105,7 +105,7 @@ class Drive(Subsystem):
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self.rightEncoder.reset(),
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)
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)
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.andThen(self.run(lambda: self.drive.arcadeDrive(speed, 0)))
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.andThen(self.run(lambda: self.drive.arcadeDrive(velocity, 0)))
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.until(
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lambda: max(
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self.leftEncoder.getDistance(), self.rightEncoder.getDistance()
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