Disable hup on serial port
parent
99ec219ef8
commit
b67990f9f2
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@ -19,6 +19,21 @@ from serial import Serial, SerialException
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from threading import Thread
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from threading import Thread
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from select import error as SelectError
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from select import error as SelectError
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import time, getopt, sys
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import time, getopt, sys
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import platform, os
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def control_ttyhup(port, disable_hup):
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"""Controls the HUPCL"""
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if platform.system() == "Linux":
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if disable_hup:
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os.system("stty -F %s -hup" % port)
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else:
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os.system("stty -F %s hup" % port)
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def enable_hup(port):
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control_ttyhup(port, False)
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def disable_hup(port):
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control_ttyhup(port, True)
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class printcore():
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class printcore():
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def __init__(self,port=None,baud=None):
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def __init__(self,port=None,baud=None):
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@ -80,7 +95,8 @@ class printcore():
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if baud is not None:
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if baud is not None:
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self.baud=baud
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self.baud=baud
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if self.port is not None and self.baud is not None:
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if self.port is not None and self.baud is not None:
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self.printer=Serial(port = self.port, baudrate = self.baud, timeout = 1, dsrdtr = True)
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disable_hup(self.port)
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self.printer=Serial(port = self.port, baudrate = self.baud, timeout = 1)
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self.stop_read_thread = False
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self.stop_read_thread = False
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self.read_thread = Thread(target=self._listen)
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self.read_thread = Thread(target=self._listen)
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self.read_thread.start()
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self.read_thread.start()
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