def loop_get_data(t0, serNums, tester, date, tstart):
try:
fname = 'data_{:d}_{:d}_{:d}_{:d}.csv'.format(*serNums)
print('data logging started under file name: ' + fname)
with open(fname, 'w+') as f:
f.write(
("Burn in test for boards {:d}, {:d}, {:d}, {:d}. Tested by " +
tester + " beginning on " + date + " at " + tstart +
"\n\n").format(*serNums))
f.write(
"PASSED power cycle test\nPASSED channel enable/disable test.\n"
)
for slot in range(1, 5):
for ch in range(1, 9):
tmp = lzamp.get_channel_offset(slot, ch)**2
if tmp > 1:
print('ERROR: bad offset')
error.set()
f.write("PASSED pre-burn in offset test test\n")
f.write(
"time (s), air flow (mm/s), af temp, SC temp, B1T1, B1T2, B1T3, "
+
"B1T4, B2T1, B2T2, B2T3, B2T4, B3T1, B3T2, B3T3, B3T4, B4T1, B4T2, B4T3, B4T4, I+ (A), I- (A), V+, V-,\n"
)
write_str = '{:.4g}, '
nn = 0
while ((time() - t0) < (3600 * 24)) & (not event.is_set()):
with open(fname, 'a+') as f:
f.write(write_str.format(time() - t0))
af = lzamp.get_airflow()
if (af < 300):
nn += 1
else:
nn = 0
if nn > 5:
error.set()
print('Low Airflow')
f.write(write_str.format(af))
f.write(write_str.format(lzamp.get_airflow_temp()))
t = lzamp.get_temp()
if t > 40:
error.set()
print('SC Overheated')
f.write(write_str.format(t))
for ii in range(4):
for jj in range(4):
t = lzamp.get_AMP_temp(ii + 1, jj + 1)
if t > 50:
error.set()
print('AMP Overheated')
f.write(write_str.format(t))
val = lzamp.get_current_pos()
if (val < 2.0) | (val > 3.0):
error.set()
print("+ Current out of range")
f.write(write_str.format(val))
val = lzamp.get_current_neg()
if (val < 2.0) | (val > 3.0):
error.set()
print("- Current out of range")
f.write(write_str.format(val))
val = lzamp.get_voltage_pos()
if (val < 6) | (val > 10):
error.set()
print("+ Voltage out of range")
f.write(write_str.format(val))
val = lzamp.get_voltage_neg()
if (val < 6) | (val > 10):
error.set()
print("- Voltage out of range")
f.write(write_str.format(val))
f.write('\n')
if error.is_set():
break
sleep(60)
for slot in range(1, 5):
for ch in range(1, 9):
tmp = lzamp.get_channel_offset(slot, ch)**2
if tmp > 1:
print('ERROR: bad offset')
error.set()
with open(fname, 'r') as f:
contents = f.readlines()
contents.insert(5, "PASSED Burn in test\n\n")
contents.insert(5, "PASSED post-burn in offset test test\n")
contents = "".join(contents)
with open(fname, 'w') as f:
f.write(contents)
complete.set()
print('\ndata logging stopped')
except:
print('data logging failed')
error.set()
def loop_data_logging(serNums):
global c_pos_voltage, c_neg_voltage, c_pos_current, c_neg_current, c_air_flow, c_af_temp, c_SC_temp
global c_AMP_temps
c_AMP_temps = zeros((4, 4))
global c_DC_offsets
c_DC_offsets = zeros((4, 8))
log_dir = '/home/debian/LZAMP/daily_logs/'
try:
write_str = '{:.4g}, '
while (not end_log.is_set()):
sleep(20)
fname = 'data_{:d}_{:d}_{:d}_{:d}_' + c_date + '.csv'
fname = fname.format(*serNums)
if not isfile(log_dir + fname):
print('\ncreating data log file\n')
with open(log_dir + fname, 'w+') as f:
f.write(
"time (s), air flow (mm/s), af temp, SC temp, B1T1, B1T2, B1T3, "
+
"B1T4, B2T1, B2T2, B2T3, B2T4, B3T1, B3T2, B3T3, B3T4, B4T1, B4T2, B4T3, B4T4, "
+
"B1DC1, B1DC2, B1DC3, B1DC4, B1DC5, B1DC6, B1DC7, B1DC8, "
+
"B2DC1, B2DC2, B2DC3, B2DC4, B2DC5, B2DC6, B2DC7, B2DC8, "
+
"B3DC1, B3DC2, B3DC3, B3DC4, B3DC5, B3DC6, B3DC7, B3DC8, "
+
"B4DC1, B4DC2, B4DC3, B4DC4, B4DC5, B4DC6, B4DC7, B4DC8, "
+ "I+ (A), I- (A), V+, V-, NumChEnabled,\n")
print('\ndata currently logging to: ' + log_dir + fname +
'\n')
with open(log_dir + fname, 'a+') as f:
c_time = localtime()
seconds_since_midnight = int(c_time.tm_hour * 3600 +
c_time.tm_min * 60 +
c_time.tm_sec)
f.write(write_str.format(seconds_since_midnight))
sleep(0.1)
c_air_flow = lzamp.get_airflow()
c_af_temp = lzamp.get_airflow_temp()
f.write(write_str.format(c_air_flow))
f.write(write_str.format(c_af_temp))
sleep(0.1)
c_SC_temp = lzamp.get_temp()
f.write(write_str.format(c_SC_temp))
sleep(0.1)
for ii in range(4):
for jj in range(4):
c_AMP_temps[ii][jj] = lzamp.get_AMP_temp(
ii + 1, jj + 1)
f.write(write_str.format(c_AMP_temps[ii][jj]))
sleep(0.1)
for ii in range(4):
for jj in range(8):
c_DC_offsets[ii][jj] = lzamp.get_channel_offset(
ii + 1, jj + 1)
f.write(write_str.format(c_DC_offsets[ii][jj]))
sleep(0.1)
c_pos_current = lzamp.get_current_pos()
c_neg_current = lzamp.get_current_neg()
f.write(write_str.format(c_pos_current))
f.write(write_str.format(c_neg_current))
sleep(0.1)
c_pos_voltage = lzamp.get_voltage_pos()
c_neg_voltage = lzamp.get_voltage_neg()
f.write(write_str.format(c_pos_voltage))
f.write(write_str.format(c_neg_voltage))
sleep(0.1)
f.write(write_str.format(c_channels_enabled))
f.write('\n')
print('\ndata logging ended\n')
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
exception_traceback_log.exception('The following error occurred:')
pass
lzamp.power_off()
sleep(1)
tmp = raw_input('Remove and reinsert all AMP boards, then press enter.\n')
print("Checking serial nums")
for slot in range(1, 5):
tmp = lzamp.get_serNum(slot)
if not (tmp == serNums[slot - 1]):
print('fatal error, serial numbers not perserved, exiting.')
event.set()
t.join()
exit()
print('good\n')
print("Checking current")
if (lzamp.get_current_neg() > 1) | (lzamp.get_current_pos() > 1):
print('fatal error, power not off. exiting.')
event.set()
t.join()
exit()
print('good\n')
lzamp.power_on()
print("Checking current")
if (abs(lzamp.get_current_neg() - 2.5) >
0.6) | (abs(lzamp.get_current_pos() - 2.5) > 0.6):
print('fatal error, power not on. exiting.')
event.set()
t.join()
exit()
print('good\n')
print("Checking I2C communication by getting serial numbers.")
for slot in range(1, 5):
tmp = lzamp.get_serNum(slot)
if not (tmp == serNums[slot - 1]):
print(
'fatal error, error getting serial numbers, exiting.')
exit()
print('I2C comunication established.\n')
f.write("PASSED I2C communication test.\n")
if check_input_yn(
'\nAre green lights off on all amp boards? (y/n) '):
print('fatal error, exiting.')
exit()
c_neg_off = lzamp.get_current_neg()
c_pos_off = lzamp.get_current_pos()
if c_neg_off > 0.5 or c_pos_off > 0.5:
print(
'Current readings are too high when amps are powered off. Exiting...'
)
exit()
lzamp.power_on()
if check_input_yn(
'\nAre green lights now lit on all amp boards? (y/n) '):
print('fatal error, exiting.')
exit()