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comparison service/arduinoNode/loggingserial.py @ 969:70a5392b24d3

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start arduinonode Ignore-this: 6ddc4d3af9ab8468e25b346bddf15835 darcs-hash:20150406091339-312f9-bcbca91eff6dc85a402d341248e7ce6128e71723
author drewp <drewp@bigasterisk.com>
date Mon, 06 Apr 2015 02:13:39 -0700
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968:d68cb03ce575 969:70a5392b24d3
1 # forked from /my/proj/house/frontdoor/loggingserial.py
2
3 import serial, logging
4
5 log = logging.getLogger('serial')
6
7 class LoggingSerial(object):
8 """like serial.Serial, but logs all data"""
9
10 def __init__(self, port=None, ports=None, baudrate=9600, timeout=10):
11 if ports is None:
12 ports = [port]
13
14 for port in ports:
15 try:
16 log.info("trying port: %s" % port)
17 self.ser = serial.Serial(port=port, baudrate=baudrate,
18 timeout=timeout,
19 xonxoff=0, rtscts=0)
20 except serial.SerialException:
21 pass
22 if not hasattr(self, 'ser'):
23 raise IOError("no port found")
24
25 def flush(self):
26 self.ser.flush()
27
28 def close(self):
29 self.ser.close()
30
31 def write(self, s):
32 log.info("Serial write: %r" % s)
33 self.ser.write(s)
34
35 def read(self, n, errorOnTimeout=True):
36 buf = self.ser.read(n)
37 log.info("Serial read: %r" % buf)
38 if errorOnTimeout and n > 0 and len(buf) == 0:
39 raise ValueError("timed out")
40 return buf