def get_data(tvg=False):
fpga.snapshots.packed_p0_ss.arm()
fpga.snapshots.packed_p1_ss.arm()
fpga.registers.ctrl2.write(arm_pack_snap='pulse')
snapdata_p0 = fpga.snapshots.packed_p0_ss.read(arm=False)['data']['p0']
snapdata_p1 = fpga.snapshots.packed_p1_ss.read(arm=False)['data']['p0']
data_p0 = AdcData.sixty_four_to_eighty(snapdata_p0)
data_p1 = AdcData.sixty_four_to_eighty(snapdata_p1)
if tvg:
data_p0 = eighty_to_ten_TVG(data_p0)
data_p1 = eighty_to_ten_TVG(data_p1)
else:
data_p0 = AdcData.eighty_to_ten(data_p0)
data_p1 = AdcData.eighty_to_ten(data_p1)
return {'p0': data_p0, 'p1': data_p1}
gbe_data = []
for pkt in gbepackets:
gbe_data.append(pkt[data_key])
spead_processor.process_data(gbe_data)
del gbepackets
print 'Checking packet contents.'
last_time = spead_processor.packets[0].headers[0x1600] - 8192
errors_headers = 0
errors_datatime = 0
errors_dataramp = 0
pkt_times = []
for pkt in spead_processor.packets:
if pkt.headers[0x1600] != last_time + 8192:
errors_headers += 1
pkt_times.append(pkt.headers[0x1600])
data80 = AdcData.sixty_four_to_eighty(pkt.data)
data_tvg = []
for word80 in data80:
time80 = word80 >> 32
ctr80 = (word80 & 0xffffffff) >> 1
pol80 = word80 & 0x01
data_tvg.append((time80, ctr80, pol80))
del data80
if data_tvg[0][0] != last_time + 8192:
errors_datatime += 1
if data_tvg[0][1] != 0:
errors_dataramp += 1
data_time = data_tvg[0][0] - 8
data_ctr = data_tvg[0][1] - 1
for ctr, data in enumerate(data_tvg):
if data[0] != data_time + 8:
