Browse Source

Refined vibration functionality, added byte pattern class, cleaned up miband.py

pull/3/head
Nate Schoolfield 2 years ago
parent
commit
8435b2bd69
  1. 27
      bluesleep.py
  2. 187
      miband.py
  3. 22
      sleepdata.py

27
bluesleep.py

@ -332,11 +332,36 @@ def start_data_pull():
while True:
try:
band.start_heart_and_gyro(callback=sleep_monitor_callback)
band.start_heart_and_gyro(sensitivity=1, callback=sleep_monitor_callback)
except BTLEDisconnectError:
band.gyro_started_flag = False
connect()
def vibrate_pattern(duration):
print("Sending vibration...")
duration_start = time.time()
pulse_pattern = [[30, 0.01], [60, 0.01], [90, 0.01], [120, 0.01], [150, 0.01], [180, 0.01]]
while True:
if (time.time() - duration_start) >= duration:
print ("Stopping vibration")
band.vibrate(0)
break
else:
for pattern in pulse_pattern:
if (time.time() - duration_start) >= duration:
break
vibrate_ms = pattern[0]
vibro_delay = pattern[1]
band.vibrate(vibrate_ms)
time.sleep(vibro_delay)
def vibrate_rolling():
for x in range(10):
for x in range(20, 40, 1):
band.vibrate(x)
for x in range(40, 20, -1):
band.vibrate(x)
if __name__ == "__main__":
connect()

187
miband.py

@ -1,6 +1,7 @@
import sys, os, time
import logging
import struct
import binascii
from bluepy.btle import (
Peripheral, DefaultDelegate,
@ -15,14 +16,8 @@ from constants import (
UUIDS, AUTH_STATES, ALERT_TYPES, QUEUE_TYPES, MUSICSTATE
)
try:
from Queue import Queue, Empty
except ImportError:
from queue import Queue, Empty
try:
xrange
except NameError:
xrange = range
from queue import Queue, Empty
class Delegate(DefaultDelegate):
@ -33,17 +28,16 @@ class Delegate(DefaultDelegate):
def handleNotification(self, hnd, data):
if hnd == self.device._char_auth.getHandle():
if data[:3] == b'\x10\x01\x01':
if data[:3] == bytepattern.fetch_begin:
self.device._req_rdn()
elif data[:3] == b'\x10\x01\x04':
elif data[:3] == bytepattern.fetch_error:
self.device.state = AUTH_STATES.KEY_SENDING_FAILED
elif data[:3] == b'\x10\x02\x01':
# 16 bytes
elif data[:3] == bytepattern.fetch_continue:
random_nr = data[3:]
self.device._send_enc_rdn(random_nr)
elif data[:3] == b'\x10\x02\x04':
elif data[:3] == bytepattern.fetch_complete:
self.device.state = AUTH_STATES.REQUEST_RN_ERROR
elif data[:3] == b'\x10\x03\x01':
elif data[:3] == bytepattern.auth_ok:
self.device.state = AUTH_STATES.AUTH_OK
else:
self.device.state = AUTH_STATES.AUTH_FAILED
@ -54,49 +48,6 @@ class Delegate(DefaultDelegate):
self.device.queue.put((QUEUE_TYPES.RAW_ACCEL, data))
elif len(data) == 16:
self.device.queue.put((QUEUE_TYPES.RAW_HEART, data))
# The fetch characteristic controls the communication with the activity characteristic.
elif hnd == self.device._char_fetch.getHandle():
if data[:3] == b'\x10\x01\x01':
# get timestamp from what date the data actually is received
year = struct.unpack("<H", data[7:9])[0]
month = struct.unpack("b", data[9:10])[0]
day = struct.unpack("b", data[10:11])[0]
hour = struct.unpack("b", data[11:12])[0]
minute = struct.unpack("b", data[12:13])[0]
self.device.first_timestamp = datetime(year, month, day, hour, minute)
print("Fetch data from {}-{}-{} {}:{}".format(year, month, day, hour, minute))
self.pkg = 0 #reset the packing index
self.device._char_fetch.write(b'\x02', False)
elif data[:3] == b'\x10\x02\x01':
if self.device.last_timestamp > self.device.end_timestamp - timedelta(minutes=1):
print("Finished fetching")
return
print("Trigger more communication")
time.sleep(1)
t = self.device.last_timestamp + timedelta(minutes=1)
self.device.start_get_previews_data(t)
elif data[:3] == b'\x10\x02\x04':
print("No more activity fetch possible")
return
else:
print("Unexpected data on handle " + str(hnd) + ": " + str(data))
return
elif hnd == self.device._char_activity.getHandle():
if len(data) % 4 == 1:
self.pkg += 1
i = 1
while i < len(data):
index = int(self.pkg) * 4 + (i - 1) / 4
timestamp = self.device.first_timestamp + timedelta(minutes=index)
self.device.last_timestamp = timestamp
category = struct.unpack("<B", data[i:i + 1])[0]
intensity = struct.unpack("B", data[i + 1:i + 2])[0]
steps = struct.unpack("B", data[i + 2:i + 3])[0]
heart_rate = struct.unpack("B", data[i + 3:i + 4])[0]
if timestamp < self.device.end_timestamp:
self.device.activity_callback(timestamp,category,intensity,steps,heart_rate)
i += 4
elif hnd == self.device._char_hz.getHandle():
if len(data) == 20 and struct.unpack('b', data[0:1])[0] == 1:
self.device.queue.put((QUEUE_TYPES.RAW_ACCEL, data))
@ -104,10 +55,38 @@ class Delegate(DefaultDelegate):
print ("Unhandled handle: " + str(hnd) + " | Data: " + str(data))
class bytepattern():
def vibration(duration):
byte_pattern = 'ff{:02x}00000001'
return bytes.fromhex(byte_pattern.format(duration))
def gyro_start(sensitivity):
byte_pattern = '01{:02x}19'
return bytes.fromhex(byte_pattern.format(sensitivity))
start = bytes.fromhex('0100')
stop = bytes.fromhex('0000')
heart_measure_keepalive = bytes.fromhex('16')
stop_heart_measure_continues = bytes.fromhex('150100')
start_heart_measure_continues = bytes.fromhex('150101')
stop_heart_measure_manual = bytes.fromhex('150200')
fetch_begin = bytes.fromhex('100101')
fetch_error = bytes.fromhex('100104')
fetch_continue = bytes.fromhex('100201')
fetch_complete = bytes.fromhex('100204')
auth_ok = bytes.fromhex('100301')
request_random_number = bytes.fromhex('0200')
auth_key_prefix = bytes.fromhex('0300')
class miband(Peripheral):
_send_rnd_cmd = struct.pack('<2s', b'\x02\x00')
_send_enc_key = struct.pack('<2s', b'\x03\x00')
def __init__(self, mac_address,key=None, timeout=0.5, debug=False):
def __init__(self, mac_address, key=None, timeout=0.5, debug=False):
FORMAT = '%(asctime)-15s %(name)s (%(levelname)s) > %(message)s'
logging.basicConfig(format=FORMAT)
log_level = logging.WARNING if not debug else logging.DEBUG
@ -130,10 +109,6 @@ class miband(Peripheral):
self.queue = Queue()
self.gyro_started_flag = False
self.start_bytes = b'\x01\x00'
self.stop_bytes = b"\x00\x00"
self.gyro_sensitivity = 1
self.svc_1 = self.getServiceByUUID(UUIDS.SERVICE_MIBAND1)
self.svc_2 = self.getServiceByUUID(UUIDS.SERVICE_MIBAND2)
self.svc_heart = self.getServiceByUUID(UUIDS.SERVICE_HEART_RATE)
@ -169,32 +144,28 @@ class miband(Peripheral):
self.waitForNotifications(0.1)
self.setDelegate( Delegate(self) )
def generateAuthKey(self):
if(self.auth_key):
return struct.pack('<18s',b'\x01\x00'+ self.auth_key)
def _auth_notif(self, enabled):
if enabled:
self._log.info("Enabling Auth Service notifications status...")
self._desc_auth.write(self.start_bytes, True)
self._desc_auth.write(bytepattern.start, True)
elif not enabled:
self._log.info("Disabling Auth Service notifications status...")
self._desc_auth.write(self.stop_bytes, True)
self._desc_auth.write(bytepattern.stop, True)
else:
self._log.error("Something went wrong while changing the Auth Service notifications status...")
def _auth_previews_data_notif(self, enabled):
if enabled:
self._log.info("Enabling Fetch Char notifications status...")
self._desc_fetch.write(self.start_bytes, True)
self._desc_fetch.write(bytepattern.start, True)
self._log.info("Enabling Activity Char notifications status...")
self._desc_activity.write(self.start_bytes, True)
self._desc_activity.write(bytepattern.start, True)
self.activity_notif_enabled = True
else:
self._log.info("Disabling Fetch Char notifications status...")
self._desc_fetch.write(self.stop_bytes, True)
self._desc_fetch.write(bytepattern.stop, True)
self._log.info("Disabling Activity Char notifications status...")
self._desc_activity.write(self.stop_bytes, True)
self._desc_activity.write(bytepattern.stop, True)
self.activity_notif_enabled = False
def initialize(self):
@ -213,12 +184,12 @@ class miband(Peripheral):
def _req_rdn(self):
self._log.info("Requesting random number...")
self._char_auth.write(self._send_rnd_cmd)
self._char_auth.write(bytepattern.request_random_number)
self.waitForNotifications(self.timeout)
def _send_enc_rdn(self, data):
self._log.info("Sending encrypted random number")
cmd = self._send_enc_key + self._encrypt(data)
cmd = bytepattern.auth_key_prefix + self._encrypt(data)
send_cmd = struct.pack('<18s', cmd)
self._char_auth.write(send_cmd)
self.waitForNotifications(self.timeout)
@ -252,68 +223,52 @@ class miband(Peripheral):
def _parse_heart_measure(self, bytes):
res = struct.unpack('bb', bytes)[1]
return_tuple = ["HR", res]
print("BPM: {}".format(res))
return return_tuple
def _parse_raw_gyro(self, bytes):
res = []
for i in xrange(3):
for i in range(3):
g = struct.unpack('hhh', bytes[2 + i * 6:8 + i * 6])
res.append({'x': g[0], 'y': g[1], 'z': g[2]})
return_tuple = ["GYRO", res]
return return_tuple
def send_vibration(self, duration):
duration_time = time.time()
pulse_time = time.time()
vibro_start_value = 30
#pulse_value = 100
duration = 20
vibro_current_value = vibro_start_value
while True:
if (time.time() - duration_time) >= duration:
print ("Stopping vibration")
self._char_alert.write(b'\x00\x00\x00\x00\x00\x00', withResponse=False)
break
else:
if ((time.time() - pulse_time)*1000) >= vibro_current_value:
pulse_time = time.time()
self._char_alert.write(b'\xff' + (vibro_current_value).to_bytes(1, 'big') + b'\x00\x00\x00\x01', withResponse=False)
vibro_current_value += 1
print (vibro_current_value)
if vibro_current_value > 255:
vibro_current_value = vibro_start_value
def send_gyro_start(self):
def vibrate(self, ms):
vibration_scaler = 0.75
ms = min([round(ms / vibration_scaler), 255])
sent_value = int(ms / 2)
vibration_duration = ms / 1000
self._char_alert.write(bytepattern.vibration(sent_value), withResponse=False)
time.sleep(vibration_duration)
def send_gyro_start(self, sensitivity):
if not self.gyro_started_flag:
self._log.info("Starting gyro...")
self.writeCharacteristic(self._sensor_handle, self.start_bytes, withResponse=True)
self.writeCharacteristic(self._steps_handle, self.start_bytes, withResponse=True)
self.writeCharacteristic(self._hz_handle, self.start_bytes, withResponse=True)
self.writeCharacteristic(self._sensor_handle, bytepattern.start, withResponse=True)
self.writeCharacteristic(self._steps_handle, bytepattern.start, withResponse=True)
self.writeCharacteristic(self._hz_handle, bytepattern.start, withResponse=True)
self.gyro_started_flag = True
self._char_sensor.write(b'\x01' + bytes([self.gyro_sensitivity]) + b'\x19', withResponse=False)
self.writeCharacteristic(self._sensor_handle, self.stop_bytes, withResponse=True)
self._char_sensor.write(bytepattern.gyro_start(sensitivity), withResponse=False)
self.writeCharacteristic(self._sensor_handle, bytepattern.stop, withResponse=True)
self._char_sensor.write(b'\x02', withResponse=False)
def send_heart_measure_start(self):
self._log.info("Starting heart measure...")
# stop heart monitor continues & manual
self._char_heart_ctrl.write(b'\x15\x02\x00', True)
self._char_heart_ctrl.write(b'\x15\x01\x00', True)
# enable heart monitor notifications
self.writeCharacteristic(self._heart_measure_handle, self.start_bytes, withResponse=True)
# start heart monitor continues
self._char_heart_ctrl.write(b'\x15\x01\x01', True)
self._char_heart_ctrl.write(bytepattern.stop_heart_measure_manual, True)
self._char_heart_ctrl.write(bytepattern.stop_heart_measure_continues, True)
self.writeCharacteristic(self._heart_measure_handle, bytepattern.start, withResponse=True)
self._char_heart_ctrl.write(bytepattern.start_heart_measure_continues, True)
def send_heart_measure_keepalive(self):
self._char_heart_ctrl.write(b'\x16', True)
self._char_heart_ctrl.write(bytepattern.heart_measure_keepalive, True)
def start_heart_and_gyro(self, callback):
def start_heart_and_gyro(self, sensitivity, callback):
self.heart_measure_callback = callback
self.gyro_raw_callback = callback
self.send_gyro_start()
self.send_gyro_start(sensitivity)
self.send_heart_measure_start()
heartbeat_time = time.time()
@ -323,4 +278,4 @@ class miband(Peripheral):
if (time.time() - heartbeat_time) >= 12:
heartbeat_time = time.time()
self.send_heart_measure_keepalive()
self.send_gyro_start()
self.send_gyro_start(sensitivity)

22
sleepdata.py

@ -1,4 +1,24 @@
class SleepData():
class Sleep_Data(object):
def __init__(self):
print("init")
sleep_data = {
'heartrate': {
'value_name': 'bpm',
'periods': [2, 5, 10, 15],
'raw_data': [],
'averaged_data': [],
},
'movement':{
'value_name': 'movement',
'periods': [10, 30, 60],
'raw_data': [],
'averaged_data': [],
'workspace': {
'gyro_last_x' : 0,
'gyro_last_y' : 0,
'gyro_last_z' : 0
}
}
}
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