annotate py_avrjtag/cp_ping.py @ 8:074e860d7d31

jtagdev is a desktop client to communicate with jtag device through Arduino.
author Thinker K.F. Li <thinker@branda.to>
date Sun, 22 Feb 2009 22:30:20 +0800
parents 6b1594fb668f
children cc106f278d7d
rev   line source
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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
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f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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2
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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3 def cp_ping(seq, data):
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6b1594fb668f Improve performance of jtag.c and test it with Python scripts.
Thinker K.F. Li <thinker@branda.to>
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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>
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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
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6 return frame
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f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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7
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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8 def get_reply(fo):
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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9 import fcntl, os
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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10 import time
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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11
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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12 reply = ''
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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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>
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14 while True:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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15 try:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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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>
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17 except OSError:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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18 time.sleep(0.5)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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19 try:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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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>
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21 except OSError:
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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22 break
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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23 pass
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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24 reply = reply + s
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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25 pass
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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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>
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27
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
parents:
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28 if __name__ == '__main__':
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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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>
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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:
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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>
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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>
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34 pass
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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35
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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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>
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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>
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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:
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40 fo.write(cmd_str)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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41 fo.flush()
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c.
Thinker K.F. Li <thinker@branda.to>
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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
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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
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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
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47