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Add possibility to use already opened serial device #1

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Add possibility to use already opened serial device #1

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13 changes: 10 additions & 3 deletions src/dam1021.py
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ class Connection(object):
>>> conn.set_input_source(0)
"""

def __init__(self,device=DEFAULT_SERIAL_DEVICE,timeout=DEFAULT_SERIAL_TIMEOUT,cautious = False):
def __init__(self,device=DEFAULT_SERIAL_DEVICE,timeout=DEFAULT_SERIAL_TIMEOUT,cautious = False, opened_device=None):
self.cautious = cautious
self.timeout = timeout

Expand Down Expand Up @@ -115,7 +115,13 @@ def getc(size,timeout=1):
return rv if rv else None
return getc

self.ser = serial.Serial(device,115200,timeout=0.25)
if not opened_device:
self.ser = serial.Serial(device,115200,timeout=0.25)
self.close_serial_device = True
else:
self.ser = opened_device
self.close_serial_device = False

self.xmodem = xmodem.XMODEM(getc_generator(self.ser),putc_generator(self.ser))

log.debug("Serial port opened")
Expand Down Expand Up @@ -144,7 +150,8 @@ def close(self):
"""

self.close_umanager()
self.ser.close()
if self.close_serial_device:
self.ser.close()
log.debug("Serial port closed")

def open_umanager(self):
Expand Down