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#!/usr/bin/env python3
import canmatrix.formats
import sys
# command line options...
usage = """
%prog [options] matrix frame
matrixX can be any of *.dbc|*.dbf|*.kcd|*.arxml
frame is AAA#YYYYYYYYYYYYYYYY or
BBBBB#YYYYYYYYYYYYYYYY or
where AAA is standard ID and BBBBB is extended ID
"""
if len(sys.argv) < 3:
print(usage)
sys.exit(1)
# load matrix
db = canmatrix.formats.loadp_flat(sys.argv[1])
# load frame data from argv
frame_string = sys.argv[2]
(arbitration_id_string, hexdata) = frame_string.split('#')
# set arbitration_id
if len(arbitration_id_string) <= 3:
arbitration_id = canmatrix.ArbitrationId(int(arbitration_id_string, 16), extended = False)
else:
# extended frame
arbitration_id = canmatrix.ArbitrationId(int(arbitration_id_string, 16), extended = True)
# find frame to given arbitration_id
frame = db.frame_by_id(arbitration_id)
can_data = bytearray.fromhex(hexdata)
# decode frame
decoded = frame.decode(can_data)
#print decoded signals
for (signal, value) in decoded.items():
print (signal + "\t" + hex(value.raw_value) + "\t(" + str(value.phys_value)+ ")")
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