import asyncio
from bleak import BleakClient
import struct
from time import sleep

devaddr  = "4C:EB:D6:4D:61:FA"
leduuid  = "19b10001-e8f2-537e-4f6c-d104768a1214"
rssiuuid = "19b10002-e8f2-537e-4f6c-d104768a1214"
accxuuid = "19b10011-e8f2-537e-4f6c-d104768a1214"
accyuuid = "19b10012-e8f2-537e-4f6c-d104768a1214"
acczuuid = "19b10013-e8f2-537e-4f6c-d104768a1214"
gyrxuuid = "19b10021-e8f2-537e-4f6c-d104768a1214"
gyryuuid = "19b10022-e8f2-537e-4f6c-d104768a1214"
gyrzuuid = "19b10023-e8f2-537e-4f6c-d104768a1214"

async def run():
    print("Get BLE device value")
    async with BleakClient(devaddr) as client:
      if client.is_connected:
        while True:
          # 取得 RSSI
          rssi_get = await client.read_gatt_char(rssiuuid)
          rssivalue = struct.unpack('i', rssi_get)[0]
          print( 'rssivalue: ', rssivalue )
          # 取得三軸加速器
          accx_get = await client.read_gatt_char(accxuuid)
          accy_get = await client.read_gatt_char(accyuuid)
          accz_get = await client.read_gatt_char(acczuuid)
          accxvalue = struct.unpack('f', accx_get)[0]
          accyvalue = struct.unpack('f', accy_get)[0]
          acczvalue = struct.unpack('f', accz_get)[0]
          print( "%s, %10.2f, %10.2f, %10.2f" % ("Accel X, Y, Z", accxvalue, accyvalue, acczvalue) )
          gyrx_get = await client.read_gatt_char(gyrxuuid)
          gyry_get = await client.read_gatt_char(gyryuuid)
          gyrz_get = await client.read_gatt_char(gyrzuuid)
          gyrxvalue = struct.unpack('f', gyrx_get)[0]
          gyryvalue = struct.unpack('f', gyry_get)[0]
          gyrzvalue = struct.unpack('f', gyrz_get)[0]
          print( "%s, %10.2f, %10.2f, %10.2f" % ("Gyr   X, Y, Z", gyrxvalue, gyryvalue, gyrzvalue) )
          sleep(1)
    client.disconnet()

loop = asyncio.get_event_loop()
try:
    loop.run_until_complete(run())
except KeyboardInterrupt:
    print('\nReceived Keyboard Interrupt')
finally:
    print('Program finished')