一、模组与手机*APP（LightBlue）*通信调试

• 透传服务

讯享网

• 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

讯享网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

讯享网[WLT8016_724A]# list-attributes  Primary Service (Handle 0x4590) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000a 00001801-0000-1000-8000-00805f9b34fb Generic Attribute Profile Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000a/char000b 00002a05-0000-1000-8000-00805f9b34fb Service Changed Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000a/char000b/desc000d 00002902-0000-1000-8000-00805f9b34fb Client Characteristic Configuration Primary Service (Handle 0x6e94) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e 0000180a-0000-1000-8000-00805f9b34fb Device Information Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char000f 00002a25-0000-1000-8000-00805f9b34fb Serial Number String Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char0011 00002a28-0000-1000-8000-00805f9b34fb Software Revision String Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char0013 00002a27-0000-1000-8000-00805f9b34fb Hardware Revision String Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char0015 00002a29-0000-1000-8000-00805f9b34fb Manufacturer Name String Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service000e/char0017 00002a24-0000-1000-8000-00805f9b34fb Model Number String Primary Service (Handle 0x6e94) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019 0000fff0-0000-1000-8000-00805f9b34fb Unknown Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001a 0000fff1-0000-1000-8000-00805f9b34fb Unknown Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001a/desc001c 00002902-0000-1000-8000-00805f9b34fb Client Characteristic Configuration Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001a/desc001d 00002901-0000-1000-8000-00805f9b34fb Characteristic User Description Characteristic (Handle 0x0240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001e 0000fff2-0000-1000-8000-00805f9b34fb Unknown Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019/char001e/desc0020 00002901-0000-1000-8000-00805f9b34fb Characteristic User Description Primary Service (Handle 0x6e94) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021 0000ffe0-0000-1000-8000-00805f9b34fb Unknown Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char0022 0000ffe1-0000-1000-8000-00805f9b34fb Unknown Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char0022/desc0024 00002902-0000-1000-8000-00805f9b34fb Client Characteristic Configuration Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char0022/desc0025 00002901-0000-1000-8000-00805f9b34fb Characteristic User Description Characteristic (Handle 0x41b0) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char0026 0000ffe2-0000-1000-8000-00805f9b34fb Unknown Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0021/char0026/desc0028 00002901-0000-1000-8000-00805f9b34fb Characteristic User Description Primary Service (Handle 0x6e94) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029 02f00000-0000-0000-0000-00000000fe00 Vendor specific Characteristic (Handle 0xb240) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002a 02f00000-0000-0000-0000-00000000ff03 Vendor specific Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002a/desc002c 00002901-0000-1000-8000-00805f9b34fb Characteristic User Description Characteristic (Handle 0x5ee0) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002d 02f00000-0000-0000-0000-00000000ff02 Vendor specific Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002d/desc002f 00002902-0000-1000-8000-00805f9b34fb Client Characteristic Configuration Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char002d/desc0030 00002901-0000-1000-8000-00805f9b34fb Characteristic User Description Characteristic (Handle 0x7740) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char0031 02f00000-0000-0000-0000-00000000ff00 Vendor specific Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char0031/desc0033 00002901-0000-1000-8000-00805f9b34fb Characteristic User Description Characteristic (Handle 0x7ba0) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char0034 02f00000-0000-0000-0000-00000000ff01 Vendor specific Descriptor (Handle 0x0000) /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0029/char0034/desc0036 00002901-0000-1000-8000-00805f9b34fb Characteristic 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

讯享网[WLT8016_724A]# attribute-info 0000fff1-0000-1000-8000-00805f9b34fb Characteristic - Unknown UUID: 0000fff1-0000-1000-8000-00805f9b34fb Service: /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019 Notifying: no Flags: 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

讯享网[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 - Unknown UUID: 0000fff2-0000-1000-8000-00805f9b34fb Service: /org/bluez/hci0/dev_57_4C_54_37_72_4A/service0019 Flags: write-without-response 

• 写数据

讯享网[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