wire_controlsystem/servo/servo.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
# @Time    : 2025/12/2 14:05
# @Author  : reenrr
# @File    :servo.py
# @Description : 控制舵机正反转
'''

from servo_sdk import *
import logging

# -------------参数配置--------------
BAUDRATE = 115200                        # 舵机的波特率
PORT = 'COM4'
SERVO_IDS = [1, 2, 3, 4, 5]              # 舵机们的 ID 号
POS_START = 2047
POS_END = 0
SPEED = 1500
ACC = 0
TIME_INTERVAL1 = ((2047-0) / 1500) + 2   # 翻转回来的时间
TIME_INTERVAL2 = 10                      # 不用翻转运行的时间

class ServoController:
    def __init__(self, config=None):
        """
        初始化舵机控制器
        """
        self.config = config
        self.time_interval1 = self.config['time_interval1']
        self.time_interval2 = self.config['time_interval2']

        # 初始化串口和舵机处理器
        self.port_handler = PortHandler(self.config['port'])
        self.servo_handler = HxServoHandler(self.port_handler)

        # 初始化状态
        self.is_running = False

    def setup_port(self):
        """配置串口参数"""
        # 打开串口
        if self.port_handler.openPort():
            logging.info("成功打开串口")
        else:
            raise RuntimeError("打开串口失败")

        # 设置波特率
        if self.port_handler.setBaudRate(self.config['baudrate']):
            logging.info("设置波特率成功")
        else:
            self.port_handler.closePort()
            raise RuntimeError("设置波特率失败")

    def enable_all_servos(self):
        """使能所有舵机"""
        enable_success = True
        for servo_id in self.config['servo_ids']:
            enable_result = self.servo_handler.torqueEnable(servo_id)
            if enable_result[1] != 0:
                logging.info(f"[ID:{servo_id:02d}] 舵机使能失败，错误信息：{enable_result[1]}")
                enable_success = False
            else:
                logging.info(f"[ID:{servo_id:02d}] 舵机使能成功")

        if not enable_success:
            self.cleanup()
            raise RuntimeError("使能舵机失败,程序退出")

        logging.info("所有舵机使能成功")

    def disable_all_servos(self):
        """失能所有舵机"""
        disable_success = True
        for servo_id in self.config['servo_ids']:
            disable_result = self.servo_handler.torqueDisable(servo_id)
            if disable_result[1] != 0:
                logging.info(f"[ID:{servo_id:02d}] 舵机失能失败，错误信息：{disable_result[1]}")
                disable_success = False
            else:
                logging.info(f"[ID:{servo_id:02d}] 舵机失能成功")

        if not disable_success:
            self.cleanup()
            raise RuntimeError("失能舵机失败,程序退出")

        logging.info("所有舵机失能成功")

    def write_position(self, position, speed, acc):
        """
        写入目标位置到所有舵机
        :param position: 目标位置
        :param speed: 速度
        :param acc: 加速度
        """
        for servo_id in self.config['servo_ids']:
            add_param_result = self.servo_handler.syncWritePosEx(
                servo_id, position, speed, acc
            )
            if not add_param_result:
                logging.info(f"[ID:{servo_id:02d}] 添加参数失败")
                continue

            result = self.servo_handler.GroupSyncWrite.txPacket()
            if result != COMM_SUCCESS:
                logging.info(f"[ID:{servo_id:02d}] 发送指令失败：{result.getTxRxResult(result)}")
        logging.info("复位成功")

        # 清空参数缓存
        self.servo_handler.GroupSyncWrite.clearParam()

    def stop(self):
        """停止舵机运行"""
        self.is_running = False

    def cleanup(self):
        """清理资源"""
        self.disable_all_servos()
        if self.port_handler.is_open:
            self.port_handler.closePort()
            logging.info("串口已关闭")


# ---------舵机对外接口----------
def servo_rotate():
    """复位位置之后，先转到180度，延时TIME_INTERVAL1一段时间，再转到0度"""
    custom_config = {
        'port': PORT,
        'baudrate': BAUDRATE,
        'servo_ids': SERVO_IDS,
        'pos_start': POS_START,
        'pos_end': POS_END,
        'speed': SPEED,
        'acc': ACC,
        'time_interval1': TIME_INTERVAL1,
        'time_interval2': TIME_INTERVAL2
    }

    controller = ServoController(custom_config)

    try:
        # 初始化串口
        controller.setup_port()
        # 使能所有舵机
        controller.enable_all_servos()
        # 复位位置
        controller.write_position(controller.config['pos_end'],
                            controller.config['speed'],
                            controller.config['acc'])

        """运行舵机运动"""
        logging.info("舵机开始循环运动（按Ctrl+C终止）...")

        # 运动到起始位置（180度）
        controller.write_position(controller.config['pos_start'],
                            controller.config['speed'],
                            controller.config['acc'])
        logging.info("运动到180度")
        time.sleep(controller.time_interval1)

        # 运动到结束位置（0度）
        controller.write_position(controller.config['pos_end'],
                            controller.config['speed'],
                            controller.config['acc'])
        logging.info("运动到0度")
        time.sleep(controller.time_interval2)

    except KeyboardInterrupt:
        logging.info("\n用户终止程序...")
        controller.stop()
    except RuntimeError as e:
        logging.info(f"\n运行错误：{str(e)}")
    except Exception as e:
        logging.info(f"\n程序运行异常：{str(e)}")
    finally:
        controller.cleanup()


# -----------测试接口------------
if __name__ == '__main__':
    servo_rotate()