一、模组与手机*APP（LightBlue）*通信调试

  • 透传服务

  • 读写特征值

二、模组与MT7921在命令行下通信调试

  • 扫描可以得到模组信息
Device 57:4C:54:37:72:4A WLT8016_724A
  • 连接
connect 57:4C:54:37:72:4A
  • 切换到GATT菜单
[WLT8016_724A]# menu gatt
Menu gatt:
Available commands:
-------------------
list-attributes [dev/local]                       List attributes
select-attribute <attribute/UUID>                 Select attribute
attribute-info [attribute/UUID]                   Select attribute
read [offset]                                     Read attribute value
write <data=xx xx ...> [offset] [type]            Write attribute value
acquire-write                                     Acquire Write file descriptor
release-write                                     Release Write file descriptor
acquire-notify                                    Acquire Notify file descriptor
release-notify                                    Release Notify file descriptor
notify <on/off>                                   Notify attribute value
clone [dev/attribute/UUID]                        Clone a device or attribute
register-application [UUID ...]                   Register profile to connect
unregister-application                            Unregister profile
register-service <UUID> [handle]                  Register application service.
unregister-service <UUID/object>                  Unregister application service
register-includes <UUID> [handle]                 Register as Included service in.
unregister-includes <Service-UUID><Inc-UUID>      Unregister Included service.
register-characteristic <UUID> <Flags=read,write,notify...> [handle] Register application characteristic
unregister-characteristic <UUID/object>           Unregister application characteristic
register-descriptor <UUID> <Flags=read,write...> [handle] Register application descriptor
unregister-descriptor <UUID/object>               Unregister application descriptor
back                                              Return to main menu
version                                           Display version
quit                                              Quit program
exit                                              Quit program
help                                              Display help about this program
export                                            Print environment variables
  • 列出设备的所有属性
[WLT8016_724A]# list-attributes
Primary Service (Handle 0x4590)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000a00001801-0000-1000-8000-00805f9b34fbGeneric Attribute Profile
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000a/char000b00002a05-0000-1000-8000-00805f9b34fbService Changed
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000a/char000b/desc000d00002902-0000-1000-8000-00805f9b34fbClient Characteristic Configuration
Primary Service (Handle 0x6e94)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e0000180a-0000-1000-8000-00805f9b34fbDevice Information
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char000f00002a25-0000-1000-8000-00805f9b34fbSerial Number String
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char001100002a28-0000-1000-8000-00805f9b34fbSoftware Revision String
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char001300002a27-0000-1000-8000-00805f9b34fbHardware Revision String
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char001500002a29-0000-1000-8000-00805f9b34fbManufacturer Name String
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char001700002a24-0000-1000-8000-00805f9b34fbModel Number String
Primary Service (Handle 0x6e94)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service00190000fff0-0000-1000-8000-00805f9b34fbUnknown
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001a0000fff1-0000-1000-8000-00805f9b34fbUnknown
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001a/desc001c00002902-0000-1000-8000-00805f9b34fbClient Characteristic Configuration
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001a/desc001d00002901-0000-1000-8000-00805f9b34fbCharacteristic User Description
Characteristic (Handle 0x0240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001e0000fff2-0000-1000-8000-00805f9b34fbUnknown
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001e/desc002000002901-0000-1000-8000-00805f9b34fbCharacteristic User Description
Primary Service (Handle 0x6e94)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service00210000ffe0-0000-1000-8000-00805f9b34fbUnknown
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char00220000ffe1-0000-1000-8000-00805f9b34fbUnknown
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char0022/desc002400002902-0000-1000-8000-00805f9b34fbClient Characteristic Configuration
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char0022/desc002500002901-0000-1000-8000-00805f9b34fbCharacteristic User Description
Characteristic (Handle 0x41b0)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char00260000ffe2-0000-1000-8000-00805f9b34fbUnknown
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char0026/desc002800002901-0000-1000-8000-00805f9b34fbCharacteristic User Description
Primary Service (Handle 0x6e94)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service002902f00000-0000-0000-0000-00000000fe00Vendor specific
Characteristic (Handle 0xb240)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002a02f00000-0000-0000-0000-00000000ff03Vendor specific
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002a/desc002c00002901-0000-1000-8000-00805f9b34fbCharacteristic User Description
Characteristic (Handle 0x5ee0)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002d02f00000-0000-0000-0000-00000000ff02Vendor specific
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002d/desc002f00002902-0000-1000-8000-00805f9b34fbClient Characteristic Configuration
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002d/desc003000002901-0000-1000-8000-00805f9b34fbCharacteristic User Description
Characteristic (Handle 0x7740)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char003102f00000-0000-0000-0000-00000000ff00Vendor specific
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char0031/desc003300002901-0000-1000-8000-00805f9b34fbCharacteristic User Description
Characteristic (Handle 0x7ba0)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char003402f00000-0000-0000-0000-00000000ff01Vendor specific
Descriptor (Handle 0x0000)/org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char0034/desc003600002901-0000-1000-8000-00805f9b34fbCharacteristic User Description
  • 选中要操作的属性值0xFFF1
[WLT8016_724A]# select-attribute 0000fff1-0000-1000-8000-00805f9b34fb
[WLT8016_724A:/service0019/char001a]#
  • 查看属性信息
[WLT8016_724A]# attribute-info 0000fff1-0000-1000-8000-00805f9b34fb
Characteristic - UnknownUUID: 0000fff1-0000-1000-8000-00805f9b34fbService: /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019Notifying: noFlags: notify
  • 开启/关闭notify
[WLT8016_724A:/service0019/char001a]# notify on
[CHG] Attribute /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001a Notifying: yes
Notify started
[WLT8016_724A:/service0019/char001a]# notify off
[CHG] Attribute /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001a Notifying: no
Notify stopped
  • 选中要操作的属性值0xFFF2
[WLT8016_724A:/service0019/char001a]# select-attribute 0000fff2-0000-1000-8000-00805f9b34fb
[WLT8016_724A:/service0019/char001e]#
  • 查看属性信息
[WLT8016_724A:/service0019/char001e]# attribute-info 0000fff2-0000-1000-8000-00805f9b34fb
Characteristic - UnknownUUID: 0000fff2-0000-1000-8000-00805f9b34fbService: /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019Flags: write-without-response
  • 写数据
[WLT8016_724A:/service0019/char001e]# write 0xaa
Attempting to write /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001e
[WLT8016_724A:/service0019/char001e]# write '0xaa 0xbb'
Attempting to write /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001e

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