def extract_data_from_twf(twf_file_name):
""" Extract data from Barth TLP *.twf file
"""
try:
with open(twf_file_name, "U") as twf_data_file:
twf_file_str = twf_data_file.read()
data = twf_file_str.split("\n\n")
head_line = data[0].split("\n")[0]
if not (head_line.startswith("4002-TLP") or head_line.startswith("4012-TLP")):
raise TypeError("%s is not a '40?2-TLP Waveform Data' file" % twf_file_name)
# _vwf voltage waveform related
# _iwf current waveform related
delta_t_vwf = float(data[1].split("\t")[2])
valim_vwf = np.asarray(data[1].split("\n")[1].split(), dtype=np.float)
delta_t_iwf = float(data[3].split("\t")[2])
valim_iwf = np.asarray(data[3].split("\n")[1].split(), dtype=np.float)
dut_vwf_str = data[2]
dut_iwf_str = data[4]
data_vwf = np.loadtxt(string2file(dut_vwf_str))
data_iwf = np.loadtxt(string2file(dut_iwf_str))
return data_vwf, data_iwf, delta_t_vwf, valim_vwf
except IOError:
log = logging.getLogger("thunderstorm.thunder.importers")
log.warn("No pulse data found")
return False
def extract_data_from_tlp(tlp_file_name):
with open(tlp_file_name, "U") as tlp_data_file:
tlp_file_str = tlp_data_file.read()
version_re_str = r"^Version.*?\t(.*?)\n"
version_re = re.compile(version_re_str, re.S | re.M)
barth_file_version = version_re.findall(tlp_file_str)[0]
if int(barth_file_version.split(".")[0]) < 4:
re_str = r"^I\(AMPS\).*?\n(.*)\Z"
col_id = {"pulseV": None, "idut": 0, "vdut": 1, "leak": 2}
else:
re_str = r"^Pulse V\(Volts\).*?\n(.*)\Z"
col_id = {"pulseV": 0, "vdut": 1, "idut": 2, "leak": 3}
test_result_re = re.compile(re_str, re.S | re.M)
data_str = test_result_re.findall(tlp_file_str)
data = np.loadtxt(string2file(data_str[0])).T
if col_id["pulseV"] != None:
v_alim = data[col_id["pulseV"]]
else:
v_alim = []
v_tlp = data[col_id["vdut"]]
i_tlp = data[col_id["idut"]]
i_leak = data[col_id["leak"]]
return v_alim, v_tlp, i_tlp, i_leak
def extract_data_from_tlp(tlp_file_name):
with open(tlp_file_name, 'U') as tlp_data_file:
tlp_file_str = tlp_data_file.read()
version_re_str = r'^Version.*?\t(.*?)\n'
version_re = re.compile(version_re_str, re.S | re.M)
barth_file_version = version_re.findall(tlp_file_str)[0]
if int(barth_file_version.split('.')[0]) < 4:
re_str = r'^I\(AMPS\).*?\n(.*)\Z'
col_id = {'pulseV': None, 'idut': 0, 'vdut': 1, 'leak': 2}
else:
re_str = r'^Pulse V\(Volts\).*?\n(.*)\Z'
col_id = {'pulseV': 0, 'vdut': 1, 'idut': 2, 'leak': 3}
test_result_re = re.compile(re_str, re.S | re.M)
data_str = test_result_re.findall(tlp_file_str)
data = np.loadtxt(string2file(data_str[0])).T
if col_id['pulseV'] != None:
v_alim = data[col_id['pulseV']]
else:
v_alim = []
v_tlp = data[col_id['vdut']]
i_tlp = data[col_id['idut']]
i_leak = data[col_id['leak']]
return v_alim, v_tlp, i_tlp, i_leak