#pip install pyserial

#查看可用的端口

# coding:utf-8

import time

import serial.tools.list_ports

plist = list(serial.tools.list_ports.comports())

print("端口数>>>",len(plist))

if len(plist) <= 0:

    print("没有发现端口!")

else:
    plist_0 = list(plist[0])    #在第一个端口的情况

    #plist_0 = list(plist[1])   #在第二个端口的情况
      
    serialName = "com8"

    serialFd = serial.Serial(serialName, 93450, timeout=60)

    print("端口名>>>", serialFd.name)

    while True:
        try:
            time.sleep(2)                        #等待机器准备好，重要！！！！！
            n = serialFd.write("X100Y130\r".encode()) #移动到50*50毫米位置
            time.sleep(1)
            n = serialFd.write("X50Y0\r".encode()) #移动到50*50毫米位置
            time.sleep(1)
            n = serialFd.write("X50Y51.5\r".encode()) #移动到50*50毫米位置
            time.sleep(1)
            for i in range(10):
                n = serialFd.write("Z6\r".encode())  #按下
                time.sleep(0.05)
                n = serialFd.write("Z0\r".encode())  #抬起
                time.sleep(1)
            # time.sleep(1)    
            n = serialFd.write("X0Y0\r".encode()) #回原点
            time.sleep(1)
        except KeyboardInterrupt as k:
            time.sleep(1)
            n = serialFd.write("Z0\r".encode())  #抬起
            time.sleep(0.1)
            n = serialFd.write("X0Y0\r".encode()) #回原点
            break
    serialFd.close()