User's Manual

HF-A21-SMT Embedded WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
6
LIST OF FIGURES
Figure 1. HF-A21-SMT Appearance ................................................................................................... 10
Figure 2. HF-A21-SMT Pins Map ....................................................................................................... 10
Figure 3. HF-A21-SMT Mechanical Dimension .................................................................................. 12
Figure 4. HF-A21-SMT Chip Antenna Keep Out Region .................................................................... 12
Figure 5. Suggested Module Placement Region ................................................................................ 13
Figure 6. HF-A21-SMT Evaluation Kit ................................................................................................ 14
Figure 7. HF-A21-SMT Order Information .......................................................................................... 15
Figure 8. HF-A21-SMT Hardware Typical Application........................................................................ 15
Figure 9. Ethernet Reference Design with Transformer ..................................................................... 16
Figure 10. Ethernet Reference Design without Transformer ............................................................ 17
Figure 11. UART Interface Reference Design .................................................................................. 17
Figure 12. User MCU Software Flow Chart ...................................................................................... 18
Figure 13. Multi-TCP Link Data Transmition Structure ..................................................................... 19
Figure 14. HF-A21-SMT Functional Architecture .............................................................................. 21
Figure 15. HF-A21-SMT Basic Wireless Network Structure ............................................................. 21
Figure 16. HF-A21-SMT AP Network Structure ................................................................................ 22
Figure 17. HF-A21-SMT AP+STA Network Structure ....................................................................... 22
Figure 18. HF-A21-SMT Ethernet Interface Networking (As AP) ..................................................... 24
Figure 19. HF-A21-SMT Ethernet Interface Networking (As STA, N-Ver) ........................................ 25
Figure 20. HF-A21-SMT Ethernet Interface Networking (As STA, Z-Ver) ........................................ 25
Figure 21. HF-A21-SMT Transparent Transmission Demo .............................................................. 26
Figure 22. Open Web Management page ......................................................................................... 28
Figure 23. Mode Selection Page ....................................................................................................... 29
Figure 24. AP Interface Setting Page ............................................................................................... 29
Figure 25. STA Interface Setting Page ............................................................................................. 30
Figure 26. Application Setting Page .................................................................................................. 30
Figure 27. Device Management Page .............................................................................................. 31
Figure 28. STA Interface Debug Connection .................................................................................... 32
Figure 29. AP Interface Debug Connection ...................................................................................... 32
Figure 30. “CommTools” Serial Debug Tools ................................................................................... 32
Figure 31. “TCPUDPDbg” Tools Create Connection ........................................................................ 33
Figure 32. “TCPUDPDbg” Tools Setting ........................................................................................... 33
Figure 33. “TCPUDPDbg” Tools Connection .................................................................................... 34
Figure 34. Wireless Control Application ............................................................................................ 34
Figure 35. Remote Management Application .................................................................................... 35
Figure 36. Transparent Serial Port Application ................................................................................. 35
Figure 37. Wireless Data Acquisition Card Application..................................................................... 36
Figure 38. HF-A21-SMT Default UART Port Parameters ................................................................. 37
Figure 39. Switch to Configuration Mode .......................................................................................... 37
Figure 40. ”AT+H” Instruction for Help .............................................................................................. 38
Figure 41. Shipping Information ........................................................................................................ 53
Figure 42. Configure Transparent Serial Port Connection (TCP) ..................................................... 54
Figure 43. Module LAN IP Setting..................................................................................................... 55
Figure 44. Module WAN IP Setting ................................................................................................... 55
Figure 45. Configure Transparent Serial Port Connection (UDP) ..................................................... 55
Figure 46. Module Network Protocols: TCP/Server .......................................................................... 56
Figure 47. Module Network Protocol: TCP/Client ............................................................................. 56