def read_battery_voltage(ent):
logging.debug('get_vbatt')
with Serial(PORT, 115200, timeout=1) as ser:
ent.config(state='normal')
ent.delete(0, tk.END)
ent.insert(0, '{} V'.format(read_vbatt(ser)))
ent.config(state='readonly')
def get_vbatt(self):
logging.debug('get_vbatt')
with Serial(PORT, 115200, timeout=1) as ser:
self.label1.set(str(read_vbatt(ser)) + 'V')
save_default_port(PORT)
print('Looking for logger...')
if is_logging(ser):
r = input('Logger is logging. Stop it? (yes/no; default=no)')
if r.strip().lower() in ['yes']:
logging.debug('User wants to stop logging.')
ser.write(b'stop_logging')
else:
print('This script cannot proceed while logger is still running. ABORT.')
sys.exit()
logger_name = get_logger_name(ser)
flash_id = get_flash_id(ser)
vbatt = read_vbatt(ser)
rtc = read_rtc(ser)
config = get_logging_config(ser)
logging_start_time = config['logging_start_time']
sample_interval_second = SAMPLE_INTERVAL_CODE_MAP[config['logging_interval_code']]
print('Logger "{}" (ID={})'.format(logger_name, flash_id))
print('Battery voltage {:.1f} V, clock {}'.format(vbatt, ts2dt(rtc)))
print('Scanning logger memory...', end='', flush=True)
sample_count = get_sample_count(ser)
if 0 == sample_count:
print(' Logger is empty. Terminating.')
sys.exit()
number_to_read = min(DOWNSAMPLE_N, sample_count)
STRIDE = int(sample_count // number_to_read)
config = {}
if exists(configfilename):
config = json.loads(open(configfilename).read())
else:
logging.warning('No existing config file.')
config['logger_name'] = logger_name
config['flash_id'] = flash_id
config['logging_start_time'] = metadata['logging_start_time']
config['logging_stop_time'] = metadata['logging_stop_time']
config['logging_interval_code'] = metadata['logging_interval_code']
if stop_logging_time is not None:
config['stop_logging_time'] = stop_logging_time
else:
if 'stop_logging_time' in config:
del config['stop_logging_time'] # remove old record if any
config['vbatt_post'] = read_vbatt(ser)
logging.debug(config)
open(configfilename, 'w').write(json.dumps(config, separators=(',', ':')))
print('Sample interval = {} second'.format(SAMPLE_INTERVAL_CODE_MAP[config['logging_interval_code']]))
fn = '{}_{}.bin'.format(flash_id, metadata['logging_start_time'])
fn = join('data', flash_id, fn)
if exists(fn):
r = input(fn + ' already exists. Overwrite? (yes/no; default=no)')
if r.strip().lower() != 'yes':
print('No change made. Terminating.')
sys.exit()
starttime = time.time()
with open(fn, 'wb') as fout: