應用Pyserial?包實現串口通信類：

其主要接口如下：

1.?Serial_Create? 創建和使能串口

2.?Serial_WriteAndReadBin 寫讀二進制數據流

3.?Serial_WriteAndReadString 寫讀字符串

4.?Serial_WriteString 寫字符串

5.?Serial_WriteBin 寫二進制數據

6. Serial_Read 讀字符串數據

?

#coding:utf-8 #!/usr/bin/python3 import serial import serial.tools.list_ports import threading import time__all__ = ["CSerial"]class CSerial:def __init__(self, Port, Baud, TimeOut):self.l_serial = Noneself.alive = Falseself.waitEnd = Noneself.port = Portself.baud = Baudself.timeOut = TimeOutself.readString = ""self.readBin = Noneself.receiveReady = Falseself.thread_SerialRead = Nonedef Serial_Create(self):try:self.l_serial = serial.Serial(self.port, self.baud, timeout=self.timeOut)except Exception as e:print("serial port error：", e)def Serial_WriteAndReadBin(self,bin):WaitingCnt = 0self.alive = Trueself.l_serial.write(bin)while self.alive:time.sleep(0.1) #1 secondif self.l_serial.in_waiting:self.readBin = self.l_serial.read(self.l_serial.in_waiting)self.alive = Falsereturn self.readBinelse:WaitingCnt += 1if WaitingCnt > 3:return Nonereturn Nonedef Serial_WriteAndReadString(self,string):WaitingCnt = 0self.readString = ""self.alive = Trueself.l_serial.write(string.encode("gbk"))while self.alive:time.sleep(0.1) #1 secondif self.l_serial.in_waiting:self.readString = self.l_serial.read(self.l_serial.in_waiting).decode("gbk")self.alive = Falsereturn self.readStringelse:WaitingCnt += 1if WaitingCnt > 3:return Nonereturn Nonedef Serial_ReadData(self):while self.alive:if self.l_serial.in_waiting and self.receiveReady == False:self.readData = self.l_serial.read(self.l_serial.in_waiting)self.receiveReady = Truedef Serial_WriteString(self,string):length = self.l_serial.write(string.encode("gbk"))return lengthdef Serial_WriteBin(self,bin):length = self.l_serial.write(bin)return lengthdef Serial_Read(self):if self.l_serial.in_waiting:STRGLO = self.l_serial.read(self.l_serial.in_waiting).decode("gbk")print(STRGLO)def Serial_Close(self):self.alive = Falseif self.l_serial.isOpen():self.l_serial.close()#test example if __name__ == '__main__':test = CSerial("COM41",9600,100)test.Serial_Create()print(test.Serial_WriteAndReadString("hello, I am a serial port!\r\n"))

　　

轉載于:https://www.cnblogs.com/mftang2018/p/10884543.html

總結

以上是生活随笔為你收集整理的Pyserial 实现串口 base on python3的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。