User's Manual
Table Of Contents
- 1.Product Profile
- 2.Functional Description
- 2.1 WiFi Indicator Flashing Description
- 2.2 Wifi Connection Status Indicator Pin
- 2.3 Socket Connection Status Indicator Pin
- 2.4 One-click Distribution Mode
- 2.5 Web Distribution Function
- 2.6 Serial to WIFI STA
- 2.7 Serial to WIFI AP
- 2.8 Serial Port Working State Conversion
- 2.9 Serial Port-network Data Conversion
- 2.10 Application Areas
- 3. AT Instructions
- 3.1 Query Current Module Version: at+ver
- 3.2 Local Port Operation: at+CLport
- 3.3 Set up Serial Port: at+uart
- 3.4 Set up DHCP: at+dhcpc
- 3.5 Set up Wifi Connection Mode: at+netmode
- 3.6 Set up TCP Connection Mode: at+mode
- 3.7 Set up Remote IP When Modules Work as Client
- 3.8 Set up Remote Port When Module Act as Client:
- 3.9 Set Parameter Submission: at+net_commit
- 3.10 System Restart: at+reconn
- 3.11 Set the Module's ssid and Password: at+wifi_
- 3.12 Set up Socket Connection Protocol: at+remote
- 3.13 Set Network Connection Parameters: at+net_ip
- 3.14 Query Network Connection Status in STA Mode:
- 3.15 Query Module MAC Address: at+Get_MAC
- 3.16 Set the Frame Length: at + uartpacklen
- 3.17 Set the Frame Time:at+uartpacktimeout
- 3.18 Set Bluetooth Name: at+ble_name
- 3.19 Configuration Software Description
- 4.Upgrade Introduction
- 8. Appendix A Document Revision
17
4.
Upgrade Introduction
The upgrade of HLK-B32 module can be carried out through serial port or network, and the
appropriate upgrade method can be selected according to the field environment.
4.1 Introduction of Serial Port Upgrade Method
In the upgrade folder there is a img file, upgrade software mainly read the files inside to
upgrade; There are three files in the img folder, where HLK-B32.img and HLK-B32
(b.1.00.1 20180611182552). Img file contents are the same, only file names are different,
HLK-B32 (b.1.00.120180611182552). Txt records the default parameter for this firmware; HLK-
B32 (b.1.00.120180611182) 552) "is the firmware version number, when the module runs this
firmware query version number and this version number the same, each firmware has a unique
version number, automatically generated by the compilation system; When there is a new firmware
to upgrade, the three files can be overwritten.
4.1.1 Open Serial Port Upgrade Software
Open serial port upgrade software HLK-B32_uart.exe, input lowercase string c, select
serial port number, select the corresponding
baud rate through digital key 1 / 2 / 3 / 4