python串口调试，M3650B-HA调试

使用python serial与M3650B-HA（RFID读写器）串口通信

环境:py3.6 

模块：pyserial

1、serial模块安装

废话不多说，直接上代码，测试环境py3.6

 

 

 

# coding:utf-8
__author__='古墓派掌门'
import binascii
import serial.tools.list_ports
import serial
class Ser(object):
    def __init__(self):
        # 打开端口
        # self.port = serial.Serial(port='COM3', baudrate=9600, bytesize=8, parity='E', stopbits=1, timeout=2)
        plist = list(serial.tools.list_ports.comports())
        if len(plist) <= 0:
            print("没有发现端口!")
        else:
            plist_0 = list(plist[0])
            serialName = plist_0[0]
            self.port = serial.Serial(port=serialName, baudrate=9600)
            print("可用端口名>>>", self.port.name)
    # def show_port(self):
    #     plist = list(serial.tools.list_ports.comports())
    #     if len(plist) <= 0:
    #         print("没有发现端口!")
    #     else:
    #         plist_0 = list(plist[0])
    #         serialName = plist_0[0]
    #         serialFd = serial.Serial(serialName, 9600, timeout=60)
    #         print("可用端口名>>>", serialFd.name)
    # 发送指令的完整流程
    def send_cmd(self, cmd):
        self.port.write(bytearray.fromhex(cmd))
        # print(cmd)
        response = self.port.read(12)
        # response = self.convert_hex(response)
        response=str(response).replace("\\x"," ")
        return response

    # 转成16进制的函数
    def convert_hex(self, string):
        res = []
        result = []
        for item in string:
            res.append(item)
        for i in res:
            result.append(hex(i))
        return result


if __name__=='__main__':
    ser1=Ser()
    while 1:
        # order=input("请输入指令：\n")
        # print(ser1.send_cmd(order))#02 08 F9 20 00 00 00 2c
        # order='01 08 A1 20 00 00 00 77'.encode('ascii')
        # # ser.write(order)
        # print(order)
        order=input("请输入命令，格式见收据手册\n")#01 08 A1 20 00 01 00 76
        print(ser1.send_cmd(order))