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#!/usr/bin/env python3
import canmatrix.formats
import sys
import optparse
# command line options...
usage = """
%prog [options] matrix
matrixX can be any of *.dbc|*.dbf|*.kcd|*.arxml
"""
parser = optparse.OptionParser(usage=usage)
parser.add_option(
"-f", "--frames",
dest="frames",
help="encode list of frames",
default="*")
(cmdlineOptions, args) = parser.parse_args()
if len(args) < 1:
parser.print_help()
sys.exit(1)
# load matrix
db = canmatrix.formats.loadp_flat(args[0])
#get all frames which match the commandline
frames = db.glob_frames(cmdlineOptions.frames)
#helper to read physical value from user
def read_signal_value_from_user(signal):
a = input("Enter Value for " + signal.name + " ")
if signal.is_float:
return float(a)
else:
return int(a)
# go through all frames
for frame in frames:
print (frame.name)
if frame.is_complex_multiplexed:
# ignore complex multiplexed signals
continue
if frame.is_multiplexed:
# if multiplexed frame search for multiplexer
multiplexer_signal = frame.get_multiplexer
# read multiplexer value
a = input("Enter Value for Multiplexer " + multiplexer_signal.name + " ")
signalDict = dict()
signalDict[multiplexer_signal.name] = int(a)
# read signals for the given multiplexer value
for signal in frame.get_signals_for_multiplexer_value(int(a)):
signalDict[signal.name] = read_signal_value_from_user(signal)
else:
# not multiplexed frame
signalDict = dict()
# go through all signals
for signal in frame.signals:
signalDict[signal.name] = read_signal_value_from_user(signal)
frame_data = frame.encode(signalDict)
if frame.arbitration_id.extended:
print("{:05X}#".format(frame.arbitration_id.id) + "".join(["%02X" % i for i in frame_data]))
else:
print("{:03X}#".format(frame.arbitration_id.id) + "".join(["%02X" % i for i in frame_data]))
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