Mercurial > avr_jtag

annotate py_avrjtag/cp_ping.py @ 7:61f27549de57

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author Thinker K.F. Li <thinker@branda.to>
date Sun, 22 Feb 2009 14:20:57 +0800
parents 6b1594fb668f
children cc106f278d7d
rev   line source
4
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
1 import cmd_proto
1
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
2
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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3 def cp_ping(seq, data):
4
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
4 cmd = cmd_proto.cmd(seq, cmd_proto.CPCMD_PING, data)
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
5 frame = cmd.to_frame()
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
6 return frame
1
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
7
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
8 def get_reply(fo):
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
9 import fcntl, os
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
10 import time
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
11
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
12 reply = ''
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
13 fcntl.fcntl(fo.fileno(), fcntl.F_SETFL, os.O_NONBLOCK)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
14 while True:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
15 try:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
16 s = os.read(fo.fileno(), 256)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
17 except OSError:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
18 time.sleep(0.5)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
19 try:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
20 s = os.read(fo.fileno(), 256)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
21 except OSError:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
22 break
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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23 pass
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
24 reply = reply + s
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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25 pass
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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26 return reply
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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27
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
28 if __name__ == '__main__':
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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29 import sys
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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30
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
31 if len(sys.argv) != 2:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
32 print >> sys.stderr, 'Usage: prog <port device>'
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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33 sys.exit(1)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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34 pass
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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35
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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36 port = sys.argv[1]
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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37
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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38 fo = open(port, 'r+b')
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
39 cmd_str = cp_ping(0, 'hello')
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
40 fo.write(cmd_str)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
41 fo.flush()
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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42
4
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
43 frame = get_reply(fo)
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
44 cmd = cmd_proto.cmd()
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
45 cmd.from_frame(frame)
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
46 print repr(cmd)
6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
parents: 3
diff changeset
47