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cli.py
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cli.py
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#!/usr/bin/python
""" Command line interface to the CTP6. """
import argparse
import logging
import os
import sys
from termcolor import colored
import uhal
import api
log = logging.getLogger(__name__)
def do_reset(hw, args):
""" Reset the desired links.
Returns 1 on success
"""
return api.reset(hw, args.links, args.power_down)
def print_status_header(links):#output, links):
""" Print out the status header row for the desired links.
Two horizontal lines, with the link label for each link between the lines.
"""
def write_hdiv():
sys.stdout.write('----------')#output('----------')
for underline in range(len(links)):
sys.stdout.write('---')#output('---')
sys.stdout.write('\n')#output('\n')
write_hdiv()
sys.stdout.write('Flag ')#output('Flag ')
for link in links:
sys.stdout.write('%3i' % link)#output('%3i' % link)
sys.stdout.write('\n')#output('\n')
write_hdiv()
def do_status(hw, args):#, output):
""" Print out the status registers from all of the links. """
status_flags = api.status(hw, args.links)
print_status_header(args.links)#output, args.links)
# get labels of flags
flags = [x[0] for x in status_flags.values()[0]]
# Loop over each flag
for iflag, flag in enumerate(flags):
sys.stdout.write("%-11s" % flag)
for link in args.links:
if status_flags[link][iflag][1]:
sys.stdout.write(colored(' * ', 'green'))#output(colored(' * ', 'green'))
else:
sys.stdout.write(colored(' E ', 'red'))#output(colored(' E ', 'red'))
sys.stdout.write('\n')
def do_capture(hw, args):
""" Capture an orbit of data and summarize the result. """
sys.stdout.write(' word: ')
sys.stdout.write(' '.join('%8i' % word for word in range(args.ncapture)))
sys.stdout.write('\n')
expected_word_fn = None
if args.expected:
log.info("Loading expected pattern from %s", args.expected)
mod = __import__(args.expected.replace('.py', ''))
expected_word_fn = getattr(mod, 'pattern')
capture = api.capture(hw, args.links, args.ncapture,
args.capture_char, expected_word_fn)
link_words = {}
nrows = 0
for link in sorted(capture.keys()):
capture_data = capture[link]
expected_data = capture_data['expected']
for idx, word in enumerate(capture_data['capture']):
color_fn = lambda x: x
if expected_data:
expected = expected_data[idx % len(expected_data)]
if word == expected:
color_fn = lambda x: colored(x, 'green')
else:
color_fn = lambda x: colored(x, 'red')
link_words.setdefault(link, []).append(color_fn(word))
nrows = len(link_words[link])
for i in sorted(link_words.keys()):
sys.stdout.write("link %2i " % i)
sys.stdout.write("\n")
print "-" * len(link_words)*10
for i in range(nrows):
for j in sorted(link_words.keys()):
sys.stdout.write("%7x " % link_words[j][i])
sys.stdout.write("\n")
def main():
parser = argparse.ArgumentParser()
parser.add_argument("command", choices=['reset', 'status', 'capture'],
help="Action to perform")
parser.add_argument("links", nargs='*', help="Specify links. "
"If none are specified, reset all.")
parser.add_argument("--connection",
help="Manually connection XML file. "
"If not specified, take from CTP6_CONNECTION env.")
parser.add_argument("--verbose", action='store_true',
help="Increase verbosity")
parser_rst = parser.add_argument_group('reset')
parser_stat = parser.add_argument_group('status')
parser_cap = parser.add_argument_group('capture')
# Reset arguments
parser_rst.add_argument("--power-down", action='store_true',
dest='power_down',
help="Additionally power down the links")
# Capture arguments
parser_cap.add_argument("--orbit-capture-char", dest='capture_char',
type=str, metavar='0xbc', default='0xbc',
help="character to trigger capture "
"- default: %(default)s")
parser_cap.add_argument("--nwords", dest='ncapture',
type=int, metavar='N', default=4,
help="Number of words to capture from each link"
"- default: 0x%(default)i")
parser_cap.add_argument("--expected", metavar='pattern.txt',
help="Pattern file with 1 word/line in hex")
args = parser.parse_args()
if args.verbose:
logging.basicConfig(level=logging.INFO)
uhal.setLogLevelTo(uhal.LogLevel.WARNING)
else:
uhal.setLogLevelTo(uhal.LogLevel.WARNING)
logging.basicConfig(level=logging.WARNING)
if not args.connection:
args.connection = os.environ['CTP6_CONNECTION']
if not args.links:
log.debug("Using all links")
args.links = range(48)
else:
args.links = list(api.expand_links(args.links))
hw_connection = 'file://%s' % args.connection
log.info("Setting up connection: %s", hw_connection)
manager = uhal.ConnectionManager(hw_connection)
hw = manager.getDevice('ctp6.frontend')
commands = {
'reset': do_reset,
'status': do_status,
'capture': do_capture
}
commands[args.command](hw, args)
log.info("done.")
return 0
if __name__ == "__main__":
sys.exit(main())