Files
allwpilib/robotpyExamples/examples/ElevatorTrapezoidProfile/robot.py
PJ Reiniger dca59147e1 [robotpy][examples] Split examples and snippets (#8944)
This also updates the bazel scripts to behave more like the C++ and Java
examples, and updates the copybara scripts to be able to sync up
`mostrobotpy`
2026-06-03 19:43:16 -07:00

51 lines
1.8 KiB
Python

#!/usr/bin/env python3
#
# Copyright (c) FIRST and other WPILib contributors.
# Open Source Software; you can modify and/or share it under the terms of
# the WPILib BSD license file in the root directory of this project.
#
import wpilib
from wpimath import TrapezoidProfile
import examplesmartmotorcontroller
import wpimath
class MyRobot(wpilib.TimedRobot):
kDt = 0.02
def __init__(self):
super().__init__()
self.joystick = wpilib.Joystick(1)
self.motor = examplesmartmotorcontroller.ExampleSmartMotorController(1)
# Note: These gains are fake, and will have to be tuned for your robot.
self.feedforward = wpimath.SimpleMotorFeedforwardMeters(1, 1.5)
# Create a motion profile with the given maximum velocity and maximum
# acceleration constraints for the next setpoint.
self.profile = TrapezoidProfile(TrapezoidProfile.Constraints(1.75, 0.75))
self.goal = TrapezoidProfile.State()
self.setpoint = TrapezoidProfile.State()
# Note: These gains are fake, and will have to be tuned for your robot.
self.motor.setPID(1.3, 0.0, 0.7)
def teleopPeriodic(self):
if self.joystick.getRawButtonPressed(2):
self.goal = TrapezoidProfile.State(5, 0)
elif self.joystick.getRawButtonPressed(3):
self.goal = TrapezoidProfile.State(0, 0)
# Retrieve the profiled setpoint for the next timestep. This setpoint moves
# toward the goal while obeying the constraints.
self.setpoint = self.profile.calculate(self.kDt, self.setpoint, self.goal)
# Send setpoint to offboard controller PID
self.motor.setSetPoint(
examplesmartmotorcontroller.ExampleSmartMotorController.PIDMode.kPosition,
self.setpoint.position,
self.feedforward.calculate(self.setpoint.velocity) / 12,
)