def _logPass(self, theF, numCh, lisBytesPerCh, sampPerCh, numFr, frPerLr):
myEbs = LogiRec.EntryBlockSet()
# Set entry blocks to make frame spacing 0.5 b'FEET'
# Block 8
myEbs.setEntryBlock(
LogiRec.EntryBlock(LogiRec.EB_TYPE_FRAME_SPACE, 4, 68, 0.5))
# Block 9
myEbs.setEntryBlock(
LogiRec.EntryBlock(LogiRec.EB_TYPE_FRAME_SPACE_UNITS, 4, 65,
b'FEET'))
myChList = [
LisGen.Channel(
LisGen.ChannelSpec(bytes('{:04d}'.format(i), 'ascii'),
b'ServID', b'ServOrdN', b'FEET', 45310011,
256, lisBytesPerCh, sampPerCh, 68),
LisGen.ChValsConst(fOffs=0,
waveLen=4,
mid=0.0,
amp=1.0,
numSa=1,
noise=36.0),
) for i in range(numCh)
]
# Start at 10,000 feet
myLpg = LisGen.LogPassGen(myEbs,
myChList,
xStart=10000.0,
xRepCode=68,
xNoise=None)
# DFSR
theF.write(myLpg.lrBytesDFSR())
for i in range(0, numFr, frPerLr):
theF.write(myLpg.lrBytes(i, frPerLr))
def _retLogPassGen(self):
#print()
myEbs = LogiRec.EntryBlockSet()
myEbs.setEntryBlock(
LogiRec.EntryBlock(LogiRec.EB_TYPE_FRAME_SIZE, 1, 66, 4 * 4))
myEbs.setEntryBlock(
LogiRec.EntryBlock(LogiRec.EB_TYPE_FRAME_SPACE, 1, 66, 60))
myEbs.setEntryBlock(
LogiRec.EntryBlock(LogiRec.EB_TYPE_FRAME_SPACE_UNITS, 4, 65,
b'.1IN'))
#print('myEbs.lisByteList()')
#pprint.pprint(myEbs.lisByteList())
myLp = LisGen.LogPassGen(
myEbs,
# Channel list
[
LisGen.Channel(
LisGen.ChannelSpec(b'TEST', b'ServID', b'ServOrdN',
b'FEET', 45310011, 256, 16, 4, 68),
LisGen.ChValsConst(fOffs=0,
waveLen=4,
mid=0.0,
amp=1.0,
numSa=1,
noise=None),
),
],
xStart=10000.0 * 120,
xRepCode=68,
xNoise=None,
)
return myLp
def logPassStd256MB(self, f):
"""This 'standard' file is 256MB of log data with 1024 channels, single
sampled. There are 65536 frames with a frame spacing of 1/10 ft.
There are 128 frames per logical record."""
numCh = 1023
lisBytesPerCh = 4
sampPerCh = 1
numFr = 64*1024
frPerLr = 128
myF = self._retStdFile(f, prLen=PhysRec.PR_MAX_LENGTH)
self._writeDefaultMarkerHead(myF)
myEbs = LogiRec.EntryBlockSet()
# Set entry blocks to make frame spacing 12 b'.1IN' i.e. 10 frames/foot
# Block 8
myEbs.setEntryBlock(LogiRec.EntryBlock(LogiRec.EB_TYPE_FRAME_SPACE, 1, 66, 12))
# Block 9
myEbs.setEntryBlock(LogiRec.EntryBlock(LogiRec.EB_TYPE_FRAME_SPACE_UNITS, 4, 65, b'.1IN'))
myChList = [
LisGen.Channel(
LisGen.ChannelSpec(
bytes('{:04d}'.format(i), 'ascii'),
b'ServID', b'ServOrdN', b'FEET',
45310011, 256, lisBytesPerCh, sampPerCh, 68
),
LisGen.ChValsConst(fOffs=0, waveLen=4, mid=0.0, amp=1.0, numSa=1, noise=12.0),
) for i in range(numCh)
]
# Start at 10,000 feet i.e. 10000*120 .1IN
myLpg = LisGen.LogPassGen(myEbs, myChList, xStart=10000.0*120, xRepCode=68, xNoise=None)
# DFSR
myF.write(myLpg.lrBytesDFSR())
for i in range(0, numFr, frPerLr):
myF.write(myLpg.lrBytes(i, frPerLr))
self._writeDefaultMarkerTail(myF)
return os.path.getsize(myF.fileId)
