tangger
ba241c1f55
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141 lines
5.0 KiB
Python
Executable File
141 lines
5.0 KiB
Python
Executable File
import pygame
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import threading
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import time
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from typing import Dict
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class SixAxisArmController:
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def __init__(self):
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# 初始化pygame和手柄
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pygame.init()
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pygame.joystick.init()
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# 检查是否有连接的手柄
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if pygame.joystick.get_count() == 0:
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raise Exception("未检测到手柄")
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# 初始化手柄
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self.joystick = pygame.joystick.Joystick(0)
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self.joystick.init()
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# 初始化关节和夹爪状态
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self.joints = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0] # 6个关节
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self.gripper = 0.0 # 夹爪状态
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self.speeds = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0] # 6个关节的速度
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self.gripper_speed = 0.0 # 夹爪速度
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# 定义关节弧度限制（计算好的范围）
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self.joint_limits = [
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(-92000 / 57324.840764, 92000 / 57324.840764), # joint1
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( 0 / 57324.840764, 120000 / 57324.840764), # joint2
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(-80000 / 57324.840764, 0 / 57324.840764), # joint3
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(-90000 / 57324.840764, 90000 / 57324.840764), # joint4
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(-65000 / 57324.840764, 65000 / 57324.840764), # joint5
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(-90000 / 57324.840764, 90000 / 57324.840764) # joint6
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]
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# 启动更新线程
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self.running = True
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self.thread = threading.Thread(target=self.update_joints)
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self.thread.start()
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def update_joints(self):
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while self.running:
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# 处理事件队列
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try:
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pygame.event.pump()
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except Exception as e:
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self.stop()
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continue
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# 获取摇杆和按钮输入
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left_x = -self.joystick.get_axis(0) # 左摇杆x轴
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if abs(left_x) < 0.5:
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left_x = 0.0
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left_y = -self.joystick.get_axis(1) # 左摇杆y轴（取反，因为y轴向下为正
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if abs(left_y) < 0.5:
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left_y = 0.0
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right_x = self.joystick.get_axis(3) # 右摇杆x轴（取反，因为y轴向下为正）
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if abs(right_x) < 0.5:
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right_x = 0.0
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right_y = self.joystick.get_axis(4) # 右摇杆y轴
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if abs(right_y) < 0.5:
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right_y = 0.0
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# 获取方向键输入
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hat = self.joystick.get_hat(0)
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up = hat[1] == 1
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down = hat[1] == -1
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left = hat[0] == -1
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right = hat[0] == 1
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# 获取按钮输入
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circle = self.joystick.get_button(1) # 圈按钮
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cross = self.joystick.get_button(0) # 叉按钮
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triangle = self.joystick.get_button(2)
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square = self.joystick.get_button(3)
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LB = self.joystick.get_button(4) # LB按钮
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RB = self.joystick.get_button(5) # RB按钮
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# 映射输入到速度
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self.speeds[0] = left_x * 0.01 # joint1速度
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self.speeds[1] = left_y * 0.01 # joint2速度
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self.speeds[2] = right_y * 0.01 #0.01 if triangle else (-0.01 if square else 0.0) # joint3速度
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self.speeds[3] = right_x * 0.01 # joint4速度
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self.speeds[4] = -0.01 if up else (0.01 if down else 0.0) # joint5速度
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self.speeds[5] = 0.01 if right else (-0.01 if left else 0.0) # joint6速度
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self.gripper_speed = 0.01 if circle else (-0.01 if cross else 0.0) # 夹爪速度
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# 积分速度到关节位置
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for i in range(6):
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self.joints[i] += self.speeds[i]
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self.gripper += self.gripper_speed
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# 关节范围保护
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for i in range(6):
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min_val, max_val = self.joint_limits[i]
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self.joints[i] = max(min_val, min(max_val, self.joints[i]))
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# 夹爪范围保护（0~0.08弧度）
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self.gripper = max(0.0, min(0.08, self.gripper))
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# 控制更新频率
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time.sleep(0.02)
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def get_action(self) -> Dict:
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# 返回机械臂的当前状态
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return {
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'joint0': self.joints[0],
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'joint1': self.joints[1],
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'joint2': self.joints[2],
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'joint3': self.joints[3],
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'joint4': self.joints[4],
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'joint5': self.joints[5],
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'gripper': self.gripper
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}
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def stop(self):
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# 停止更新线程
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self.running = False
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self.thread.join()
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pygame.quit()
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print("Gamepad exits")
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def reset(self):
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self.joints = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0] # 6个关节
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self.gripper = 0.0 # 夹爪状态
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self.speeds = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0] # 6个关节的速度
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self.gripper_speed = 0.0 # 夹爪速度
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# 使用示例
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if __name__ == "__main__":
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arm_controller = SixAxisArmController()
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try:
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while True:
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print(arm_controller.get_action())
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time.sleep(0.1)
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except KeyboardInterrupt:
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arm_controller.stop() |