def dictify(sdict, byteStr):
"""
Returns a dictionary of the byteStr
"""
res = seq_dict()
for key in sdict:
packStr = sdict[key][0]
size = calcsize(packStr)
current, byteStr = byteStr[:size], byteStr[size:]
res[key] = (packStr, unpack(packStr, current)[0])
return res
_ourpid = getpid()
_request_number = 0x0000
# these two dictionaries should be read in the order defined by
# their respective _fields lists
# the format they follow is Key:["packstring", initial value]
ecp_rcvd_packStr = 'HHH'
ecp_header_fields = ('llcDestinationLsap', 'llcSourceLsap',
'llcControl', 'llcStatus', 'pseudoLlc3Control',
'pseudoLlc3Status', 'frameType', 'requestNumber',
'crateNumber', 'hostId', 'hostPid', 'hostAccessId',
'flags', 'status',)
ecp_rcvd = seq_dict(dict(zip(('nwords', 'data', 'qresp'), ecp_rcvd_packStr)), ('nwords', 'data', 'qresp'))
ecp_COR_fields = ('modifier', 'cmd', 'lo', 'hi')
_ecp_header_defaults = ( # would be dictionary but order is important
['B', 0x60], # LSAP dest
['B', 0x60], # LSAP src
['B', 0xF7], # llc control - changes for every send/recv pair
['B', 0x00], # llc status
['B', 0x03], # llc3 ctrl
['B', 0x00], # llc3 status
['H', 0x0007], # frame type - 0x07 = UI_frame
['H', _request_number], # request No should increment
['H', 0x0001], # crate No
['H', 0xFFFF], # host id
['I', _ourpid], # pid
