diff -r e3d034e65afc -r 3fc4082fc6ba eric6/MicroPython/MicroPythonSerialPort.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/MicroPython/MicroPythonSerialPort.py Thu Jul 18 20:30:03 2019 +0200
@@ -0,0 +1,99 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a QSerialPort with additional functionality.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import QIODevice
+from PyQt5.QtSerialPort import QSerialPort
+
+
+class MicroPythonSerialPort(QSerialPort):
+ """
+ Class implementing a QSerialPort with additional functionality
+ """
+ def __init__(self, parent=None):
+ """
+ Constructor
+
+ @param parent reference to the parent object
+ @type QObject
+ """
+ super(MicroPythonSerialPort, self).__init__(parent)
+
+ self.__connected = False
+
+ def openSerialLink(self, port):
+ """
+ Public method to open a serial link to a given serial port.
+
+ @param port port name to connect to
+ @type str
+ @return flag indicating success
+ @rtype bool
+ """
+ self.setPortName(port)
+ if self.open(QIODevice.ReadWrite):
+ self.setDataTerminalReady(True)
+ # 115.200 baud, 8N1
+ self.setBaudRate(115200)
+ self.setDataBits(QSerialPort.Data8)
+ self.setParity(QSerialPort.NoParity)
+ self.setStopBits(QSerialPort.OneStop)
+
+ self.__connected = True
+ return True
+ else:
+ return False
+
+ def closeSerialLink(self):
+ """
+ Public method to close the open serial connection.
+ """
+ if self.__connceted:
+ self.close()
+
+ self.__connected = False
+
+ def isConnected(self):
+ """
+ Public method to get the connection state.
+
+ @return flag indicating the connection state
+ @rtype bool
+ """
+ return self.__connected
+
+ def readUntil(self, expected=b"\n", size=None):
+ """
+ Public method to read data until an expected sequence is found
+ (default: \n) or a specific size is exceeded.
+
+ @param expected expected bytes sequence
+ @type bytes
+ @param size maximum data to be read
+ @type int
+ @return bytes read from the device including the expected sequence
+ @rtype bytes
+ """
+ data = bytearray()
+ while True:
+ if self.waitForReadyRead():
+ c = bytes(self.read(1))
+ if c:
+ data += c
+ if data.endswith(expected):
+ break
+ if size is not None and len(data) >= size:
+ break
+ else:
+ break
+ else:
+ break
+
+ return bytes(data)
