gatt_server.py 文件源码

def hr_msrmt_cb(self):
        value = []
        value.append(dbus.Byte(0x06))

        value.append(dbus.Byte(randint(90, 130)))

        if self.hr_ee_count % 10 == 0:
            value[0] = dbus.Byte(value[0] | 0x08)
            value.append(dbus.Byte(self.service.energy_expended & 0xff))
            value.append(dbus.Byte((self.service.energy_expended >> 8) & 0xff))

        self.service.energy_expended = \
                min(0xffff, self.service.energy_expended + 1)
        self.hr_ee_count += 1

        print('Updating value: ' + repr(value))

        self.PropertiesChanged(GATT_CHRC_IFACE, { 'Value': value }, [])

        return self.notifying