HF-A11 Embedded WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
2
TABLE OF CONTENTS
1.
PRODUCT OVERVIEW ............................................................................................................... 7
1.1.
General Specification ............................................................................................................. 7
1.2.
Hardware Introduction............................................................................................................ 8
1.2.1.
Pins Definition .................................................................................................................... 8
1.2.2.
Mechanical Size................................................................................................................. 9
1.2.3.
On-board Chip Antenna................................................................................................... 10
1.2.4.
External Antenna ............................................................................................................. 10
1.2.5.
Evaluation Kit ................................................................................................................... 11
1.2.6.
Order Information............................................................................................................. 12
1.3.
Hardware Reference Design ................................................................................................ 13
1.3.1.
Hardware Typical Application .......................................................................................... 13
1.3.2.
10/100M Ethernet Interface ............................................................................................. 13
1.3.2.1.
Ethernet Connection with Transformer ........................................................................ 14
1.3.2.2.
Ethernet Connection without Transformer ................................................................... 14
1.3.3.
UART Interface ................................................................................................................ 14
1.3.4.
Power Interface................................................................................................................ 15
1.4.
Software Reference Design ................................................................................................. 16
1.4.1.
Transparent Transmission Mode..................................................................................... 16
1.4.2.
Configuration Mode ......................................................................................................... 16
1.4.3.
Multi-TCP Link Connection .............................................................................................. 17
1.4.4.
TCPB Function................................................................................................................. 17
1.4.5.
GPIO Function ................................................................................................................. 17
1.4.6.
Palmodic Signal ............................................................................................................... 18
2.
FUNCTIONAL DESCRIPTION ................................................................................................. 19
2.1.
Wireless Networking............................................................................................................. 19
2.1.1.
Basic Wireless Network Based On AP (Infrastructure) ................................................... 19
2.1.2.
Wireless Network Based On Adhoc Network (Adhoc) .................................................... 20
2.1.3.
Wireless Network Based On AP+STA............................................................................. 20
2.2.
Auto- Frequency Function ................................................................................................... 21
2.3.
Security .................................................................................................................................. 21
2.4.
UART Frame Scheme ........................................................................................................... 22
2.4.1.
UART Free-Frame ........................................................................................................... 22
2.4.2.
UART Auto-Frame ........................................................................................................... 22
2.5.
Address Binding ................................................................................................................... 22
2.6.
Ethernet Interface Communication ..................................................................................... 23
2.6.1.
HF-A11 Ethernet Interface Networking (As AP) .............................................................. 23
2.6.2.
HF-A11 Ethernet Interface Networking (As STA, N-Ver) ................................................ 23
2.6.3.
HF-A11 Ethernet Interface Networking (As STA, Z-Ver)................................................. 24
2.7.
Search Function for STA ...................................................................................................... 24
2.8.
Work Mode............................................................................................................................. 24
2.9.
Network Protocol .................................................................................................................. 25
2.10.
Parameters Configuration ................................................................................................ 25
2.11.
Firmware Upgrade............................................................................................................. 25
2.12.
GPIO Function ................................................................................................................... 25
3.
OPERATION GUIDELINE ......................................................................................................... 26
3.1.
Configuration via Web Accessing....................................................................................... 26
3.1.1.
Open Web Management Interface .................................................................................. 26
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