python เครื่องชั่งน้ำหนัก

32:02:B4:F0:7C:04

sudo apt-get install libglib2.0-dev python3-dev

pip3 install bluepy

import sys

import datetime

import random

from struct import *

from bluepy import btle

import body

class miScale(btle.DefaultDelegate):

def __init__(self):

btle.DefaultDelegate.__init__(self)

self.address = sys.argv[1]

self.height = int(sys.argv[2])

self.age = int(sys.argv[3])

self.sex = sys.argv[4]

def handleDiscovery(self, dev, isNewDev, isNewData):

if dev.addr == self.address:

for (adType, desc, value) in dev.getScanData():

if adType == 22:

data = bytes.fromhex(value[4:])

ctrlByte0 = data[0]

ctrlByte1 = data[1]

emptyLoad = ctrlByte1 & (1<<7)

isStabilized = ctrlByte1 & (1<<5)

hasImpedance = ctrlByte1 & (1<<1)

if emptyLoad:

print("(no load)")

print("New packet")

if isStabilized:

print("New stabilized weight")

if hasImpedance:

print("New impedance")

print("\t Control bytes = {0:08b}/{1:08b}".format(ctrlByte0, ctrlByte1))

print("\t Date = {}/{}/{} {}:{}:{}".format(int(data[5]), int(data[4]), int((data[3] << 8) | data[2]), int(data[6]), int(data[7]), int(data[8])))

impedance = ((data[10] & 0xFF) << 8) | (data[9] & 0xFF)

weight = (((data[12] & 0xFF) << 8) | (data[11] & 0xFF)) / 200.0

print("\t impedance is {}".format(impedance))

print("\t weight is {}".format(weight))

if hasImpedance:

lib = body.bodyMetrics(weight, self.height, self.age, self.sex, impedance)

print("\t\tLBM = {}".format(lib.getLBMCoefficient()))

print("\t\tBody fat = {}".format(lib.getFatPercentage()))

print("\t\tBody fat scale = {}".format(lib.getFatPercentageScale()))

print("\t\tWater = {}".format(lib.getWaterPercentage()))

print("\t\tWater scale = {}".format(lib.getWaterPercentageScale()))

print("\t\tBone mass = {}".format(lib.getBoneMass()))

print("\t\tBone mass scale = {}".format(lib.getBoneMassScale()))

print("\t\tMuscle mass = {}".format(lib.getMuscleMass()))

print("\t\tMuscle mass scale = {}".format(lib.getMuscleMassScale()))

print("\t\tVisceral fat = {}".format(lib.getVisceralFat()))

print("\t\tVisceral fat scale = {}".format(lib.getVisceralFatScale()))

print("\t\tBMI = {}".format(lib.getBMI()))

print("\t\tBMI scale = {}".format(lib.getBMIScale()))

print("\t\tBMR = {}".format(lib.getBMR()))

print("\t\tBMR scale = {}".format(lib.getBMRScale()))

print("\t\tIdeal weight = {}".format(lib.getIdealWeight()))

return

elif adType == 1 or adType == 2 or adType == 9:

continue

elif adType == 255:

continue

else:

print("=> new unknown packet: type={} data={}".format(adType, value))

def run(self):

scanner = btle.Scanner()

scanner.withDelegate(self)

while True:

scanner.start()

scanner.process(1)

scanner.stop()

scale = miScale()

scale.run()