avr_jtag: py_avrjtag/cp_ping.py annotate

annotate py_avrjtag/cp_ping.py @ 4:6b1594fb668f

Improve performance of jtag.c and test it with Python scripts. - cp_tditdo.py send bits to TDI and hope it will feed back from TDO. - Expand loops in jtag.c to improve performance.

author	Thinker K.F. Li <thinker@branda.to>
date	Sun, 22 Feb 2009 12:54:45 +0800
parents	tests/cp_ping.py@e410832c3280
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: diff changeset	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: diff changeset	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: diff changeset	25 pass
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	26 return reply
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	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: diff changeset	29 import sys
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	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: diff changeset	33 sys.exit(1)
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34 pass
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	35
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36 port = sys.argv[1]
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	37
f7c60e525801 cptest and cp_ping.py to test cmd_proto.c. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	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: diff changeset	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

Mercurial > avr_jtag

annotate py_avrjtag/cp_ping.py @ 4:6b1594fb668f