def get_description_from_driver():
conf = PeerConfig('amplifier')
conf.add_local_param('driver_executable', _AMP_EXECUTABLE)
conf.add_local_param('samples_per_packet', '4')
driv = DriverComm(conf, catch_signals=False)
descr = driv.get_driver_description()
dic = json.loads(descr)
driv.terminate_driver()
return dic
def get_description_from_driver(device_path=None):
conf = PeerConfig('amplifier')
conf.add_local_param('driver_executable',
'drivers/eeg/cpp_amplifiers/gtec_amplifier')
conf.add_local_param('samples_per_packet', '4')
driv = DriverComm(conf, catch_signals=False)
descr = driv.get_driver_description()
try:
dic = json.loads(descr)
except ValueError, e:
print "AMPLIFIER ", device_path, "IS PROBABLY BUSY.",
print "Invalid channel description: ", descr
dic = None
def _handle_new_peer_added(self, msg):
# add new peer status and configuration so it is visible in GUI
peer_id = msg.peer_id
index = self.index_of(msg.uuid)
if index is not None:
exp = self.experiments[index]
par = PeerConfigParserDict()
conf = PeerConfig(peer_id)
dic_conf = json.loads(msg.config)
par.parse(dic_conf, conf)
exp.exp_config.extend_with_peer(peer_id, msg.peer_path, conf)
exp.status.peers_status[peer_id] = launcher_tools.PeerStatus(peer_id,
status_name=msg.status_name)
print msg
def __init__(self,
peer_id,
experiment_id,
config=None,
path=None,
machine=None,
logger=None):
self.peer_id = peer_id
self.experiment_id = experiment_id
self.config = PeerConfig(peer_id)
self.path = path
self.machine = machine
self.public_params = []
self.logger = logger or logging.getLogger(
"ObciExperimentConfig.peer_id")
self.del_after_stop = False
def launch_data(self):
ser = PeerConfigSerializerCmd()
args = [self.peer_id]
peer_parser = peer.peer_config_parser.parser("ini")
base_config = PeerConfig(self.peer_id)
conf_path = launcher_tools.default_config_path(self.path)
if conf_path:
with codecs.open(conf_path, "r", "utf8") as f:
self.logger.info("parsing default config for peer %s, %s ",
self.peer_id, conf_path)
peer_parser.parse(f, base_config)
ser.serialize_diff(base_config, self.config, args)
return dict(peer_id=self.peer_id,
experiment_id=self.experiment_id,
path=self.path,
machine=self.machine,
args=args,
peer_type=self.peer_type())
v = self.driver_out_q.get_nowait()
self.logger.info(v)
except Empty:
time.sleep(0.1)
sys.exit(self.driver.returncode)
def enqueue_output(out, queue):
for line in iter(out.readline, ''):
queue.put(line)
out.close()
if __name__ == "__main__":
from obci.control.peer.peer_config import PeerConfig
import json
conf = PeerConfig('amplifier')
conf.add_local_param('driver_executable',
'drivers/eeg/cpp_amplifiers/tmsi_amplifier')
conf.add_local_param('samples_per_packet', '4')
conf.add_local_param('bluetooth_device', '')
conf.add_local_param('usb_device', '/dev/tmsi0')
driv = DriverComm(conf)
descr = driv.get_driver_description()
dic = json.loads(descr)
driv.start_sampling()
time.sleep(3)
driv.terminate_driver()
