def gather_data(self, seconds=3):
try:
libmetawear.mbl_mw_logging_start(self.device.board, 0)
libmetawear.mbl_mw_acc_enable_acceleration_sampling(
self.device.board)
libmetawear.mbl_mw_acc_start(self.device.board)
logging.info('data gathering started')
time.sleep(int(seconds))
libmetawear.mbl_mw_acc_stop(self.device.board)
libmetawear.mbl_mw_acc_disable_acceleration_sampling(
self.device.board)
libmetawear.mbl_mw_logging_stop(self.device.board)
logging.info('data gathering stopped')
except RuntimeError as err:
print(err)
logging.info('runtime error in gather_data() occurred')
return 0
return 1
def setup_logger(self):
e = Event()
result = [None]
def logger_handler(ctx, pointer):
result[0] = RuntimeError("Could not create logger") if pointer == None else pointer
e.set()
fn_wrapper = FnVoid_VoidP_VoidP(logger_handler)
#streaming and logging
signal = libmetawear.mbl_mw_multi_chnl_temp_get_temperature_data_signal(self.device.board, \
MetaWearRProChannel.ON_BOARD_THERMISTOR)
libmetawear.mbl_mw_datasignal_log(signal, None, fn_wrapper)
e.wait()
if (result[0] is RuntimeError):
raise result[0]
self.logger = result[0]
self.timer = self._setup_timer()
self._setup_read_event(self.timer, signal)
libmetawear.mbl_mw_logging_start(self.device.board, 0);
libmetawear.mbl_mw_timer_start(self.timer)
def setup_logger(self):
e = Event()
result = [None]
def logger_handler(ctx, pointer):
result[0] = RuntimeError(
"Could not create logger") if pointer == None else pointer
e.set()
fn_wrapper = FnVoid_VoidP_VoidP(logger_handler)
signal = libmetawear.mbl_mw_acc_get_acceleration_data_signal(
self.device.board)
libmetawear.mbl_mw_datasignal_log(signal, None, fn_wrapper)
e.wait()
if (result[0] is RuntimeError):
raise result[0]
self.logger = result[0]
libmetawear.mbl_mw_acc_enable_acceleration_sampling(self.device.board)
libmetawear.mbl_mw_acc_start(self.device.board)
libmetawear.mbl_mw_logging_start(self.device.board, 0)
print("Searching for device...")
d = MetaWear(sys.argv[1])
d.connect()
print("Connected to " + d.address)
print("Configuring device")
try:
print("Get and log acc signal")
signal = libmetawear.mbl_mw_acc_get_acceleration_data_signal(d.board)
logger = create_voidp(
lambda fn: libmetawear.mbl_mw_datasignal_log(signal, None, fn),
resource="acc_logger")
print("Start logging")
libmetawear.mbl_mw_logging_start(d.board, 0)
print("Start acc")
libmetawear.mbl_mw_acc_set_odr(d.board, 400.)
libmetawear.mbl_mw_acc_write_acceleration_config(d.board)
libmetawear.mbl_mw_acc_enable_acceleration_sampling(d.board)
libmetawear.mbl_mw_acc_start(d.board)
print("Logging data for 10s")
time.sleep(10.0)
print("Setop acc")
libmetawear.mbl_mw_acc_stop(d.board)
libmetawear.mbl_mw_acc_disable_acceleration_sampling(d.board)
print("Stop logging")
# get motion signal
motion_signal = libmetawear.mbl_mw_acc_bosch_get_motion_data_signal(s.device.board)
print("get motion signal")
# create event that changes count based on motion signal
s.events["event"].clear()
libmetawear.mbl_mw_event_record_commands(motion_signal)
libmetawear.mbl_mw_dataprocessor_passthrough_set_count(s.passthrough_signal, 10)
print("create event that changes counter based on motion")
libmetawear.mbl_mw_event_end_record(motion_signal, None, event_created_fn)
s.events["event"].wait()
# start
print("Start")
libmetawear.mbl_mw_logging_start(s.device.board, 0)
libmetawear.mbl_mw_acc_enable_acceleration_sampling(s.device.board)
libmetawear.mbl_mw_acc_start(s.device.board)
libmetawear.mbl_mw_acc_bosch_enable_motion_detection(s.device.board)
libmetawear.mbl_mw_acc_bosch_start(s.device.board)
print("0 min")
sleep(60.0)
print("1 min")
sleep(60.0)
print("2 min")
sleep(60.0)
print("3 min")
sleep(60.0)
print("4 min")
sleep(60.0)