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ATWINC3400

ATWINC3400 Wi-Fi/BLE Network Controller - Software

Design Guide

User Guide

Introduction

Atmel® SmartConnect ATWINC3400 SoC is an IEEE® 802.11 b/g/n and

Bluetooth® Smart BLE network controller for applications in the Internet-of-

Things. It is an ideal add-on to existing MCU solutions bringing Wi-Fi® and

network capabilities through an SPI- -to Wi-Fi interface. The WINC3400 AT

connects to any Atmel AVR® or Atmel | SMART MCU with minimal resource ™

requirement s.

Features

 Wi-Fi IEEE® 802.11 b/g/n STA AP modes and

 Wi-Fi Protected Setup (WPS)

 Discovery and provisioning via Smartphone using BLE

 Support of WEP WPA/WPA2 personal security and

 Embedded network stack protocols to ooad work from the host MCU. This

allows operation with a wide range of MCUs including low end MCUs.

 Embedded TCP/IP stack with BSD-style socket API

 Embedded network protocols

– DHCP client/server

– DNS resolver client

– SNTP client for UTC time synchronization

 Embedded TLS security abstracted behind BSD-style socket API

 HTTP Server for optional provisioning using AP mode

 Ultra-low cost IEEE 802.11 b/g/n RF/PH/MAC SoC

 Ultra-low power Bluetooth SMART (BLE 4.0 SoC with Integrated MCU, )

Transceiver, Modem, MAC, PA, TR Switch, and Power Management Unit

 Fast boot from on-chip Boot ROM

 8Mb internal Flash memory

 Low power consumption with dierent power saving modes

 SPI, I2C, and UART support

 Low footprint host driver with the following capabilities:

– Can run on 8, 16, and 32 bit MCU

– Little and Big endian support

– Consumes about 8KB of code memory and 1KB of data memory on host

MCU

Atmel- -ATWINC3400-WiFi-BLE-Network-Controller-Software-Design-Guide_UserGuide 42016 42566A _0

ATWINC3400 Wi-Fi/BLE Network Controller Software Design Guide [USER GUIDE]

Atmel- -ATWINC3400-WiFi-BLE-Network-Controller-Software-Design-Guide_UserGuide 42016 42566A _0

Table of Contents

1 Icon Key Identiers .............................................................................................. 7

2 Glossary ................................................................................................................ 7

3 References ............................................................................................................ 7

4 Host Driver Architecture ...................................................................................... 8

4.1 WLAN API ......................................................................................................................................... 8

4.2 Socket API ......................................................................................................................................... 8

4.3 Host Interface (HIF) ........................................................................................................................... 9

4.4 Board Support Package (BSP) .......................................................................................................... 9

4.5 Serial Bus Interface ........................................................................................................................... 9

5 WINC System Architecture ................................................................................ 10

5.1 Bus Interface ................................................................................................................................... 10

5.2 Non-volatile Storage ........................................................................................................................ 11

5.3 CPUs ............................................................................................................................................... 11

5.4 IEEE 802.11 MAC Hardware ........................................................................................................... 11

5.5 Bluetooth BLE V4.0 MAC Hardware ................................................................................................ 11

5.6 Program Memory ............................................................................................................................. 11

5.7 Data Memory ................................................................................................................................... 11

5.8 Shared Packet Memory ................................................................................................................... 11

5.9 IEEE 802.11 MAC Firmware ............................................................................................................ 11

5.10 Bluetooth V2.1 MAC Firmware ........................................................................................................ 12

5.11 Memory Managers ........................................................................................................................... 12

5.12 Power Managements ....................................................................................................................... 12

5.13 ATWINC RTOS ............................................................................................................................... 12

5.14 ATWINC IoT Library ........................................................................................................................ 13

6 ATWINC Initialization and Simple Application ................................................. 14

6.1 BSP Initialization .............................................................................................................................. 14

6.2 ATWINC Host Driver Initialization .................................................................................................... 14

6.3 Socket Layer Initialization ................................................................................................................ 14

6.4 ATWINC Event Handling ................................................................................................................. 14

6.4.1 Asynchronous Events ............................................................................................................. 15

6.4.2 Interrupt Handling ................................................................................................................... 15

6.5 Code Example ................................................................................................................................. 16

7 ATWINC Conguration ....................................................................................... 17

7.1 Device Parameters .......................................................................................................................... 17

7.1.1 System Time ........................................................................................................................... 17

7.1.2 Firmware and HIF Version ...................................................................................................... 17

7.2 ATWINC Modes of Operation .......................................................................................................... 17

7.2.1 Idle Mode ................................................................................................................................ 18

7.2.2 Wi-Fi Station M ode................................................................................................................. 18

7.2.3 Wi-Fi Hotspot (AP) Mode ........................................................................................................ 18

7.3 Network Parameters ........................................................................................................................ 19

7.3.1 Wi-Fi MAC Address ................................................................................................................ 19

7.3.2 IP Address .............................................................................................................................. 19

7.4 Power Saving Parameters ............................................................................................................... 19

ATWINC3400 Wi-Fi/BLE Network Controller Software Design Guide [USER GUIDE]

Atmel- -ATWINC3400-WiFi-BLE-Network-Controller-Software-Design-Guide_UserGuide 42016 42566A _0

7.4.1 Power Saving Modes .............................................................................................................. 19

7.4.1.1 M2M_PS_MANUAL ................................................................................................ 20

7.4.1.2 M2M_PS_AUTOMATIC .......................................................................................... 21

7.4.1.3 M2M_PS_H_AUTOMATIC ..................................................................................... 21

7.4.1.4 M2M_PS_DEEP_AUTOMATIC .............................................................................. 21

7.4.2 Conguring Listen Interval and DTIM Monitoring .................................................................... 21

8 -Fi Station Mode Wi ............................................................................................. 22

8.1 Scan Conguration Parameters .......................................................................................................22

8.1.1 Scan Region ........................................................................................................................... 22

8.1.2 Scan Options .......................................................................................................................... 22

8.2 Wi-Fi Scan ....................................................................................................................................... 22

8.3 On Demand Wi-Fi Connection ......................................................................................................... 23

8.4 Default Connection .......................................................................................................................... 24

8.5 Wi-Fi Security .................................................................................................................................. 25

8.6 Example Code ................................................................................................................................. 26

9 ATWINC Socket Programming .......................................................................... 27

9.1 Overview .........................................................................................................................................27

9.1.1 ATWINC Socket Types ........................................................................................................... 27

9.1.2 Socket Properties ................................................................................................................... 27

9.1.3 Limitations .............................................................................................................................. 27

9.2 ATWINC Sockets API ...................................................................................................................... 27

9.2.1 API Prerequisites .................................................................................................................... 27

9.2.2 Non-blocking Asynchronous Socket APIs ..............................................................................28

9.2.3 Socket API Functions ............................................................................................................. 28

9.2.3.1 socketInit ................................................................................................................ 28

9.2.3.2 registerSocketCallback ........................................................................................... 28

9.2.3.3 socket ..................................................................................................................... 28

9.2.3.4 connect ................................................................................................................... 28

9.2.3.5 bind......................................................................................................................... 29

9.2.3.6 listen ....................................................................................................................... 29

9.2.3.7 accept ..................................................................................................................... 29

9.2.3.8 send ........................................................................................................................ 30

9.2.3.9 sendto ..................................................................................................................... 30

9.2.3.10 recv / recvfrom ........................................................................................................ 31

9.2.3.11 close ....................................................................................................................... 31

9.2.3.12 setsockopt ..............................................................................................................31

9.2.3.13 gethostbyname ....................................................................................................... 31

9.2.4 Summary ................................................................................................................................ 32

9.3 Socket Connection Flow .................................................................................................................. 33

9.3.1 TCP Client Operation .............................................................................................................34

9.3.2 TCP Server Operati on ............................................................................................................ 35

9.3.3 UDP Client Operation ............................................................................................................. 36

9.3.4 UDP Server Operation ............................................................................................................ 37

9.3.5 DNS Host Name Resolution ................................................................................................... 38

9.4 Example Code ................................................................................................................................. 39

9.4.1 TCP Client Example Code ...................................................................................................... 39

9.4.2 TCP Server Example Code .................................................................................................... 40

9.4.3 UDP Client Example Code ..................................................................................................... 42

9.4.4 UDP Server Example Code .................................................................................................... 43

Produktspecifikationer

Varumärke:	Microchip
Kategori:	Inte kategoriserad
Modell:	ATWINC3400-IC
Färg på produkten:	Zwart
Sladdlängd:	1.5 m
LED-indikatorer:	Ja
Anslutningsteknik:	Bedraad
Typ av strömkälla:	USB
fingeravtrycksläsare:	Nee
Material:	Metal, Plastic
Avsedd för:	Pc/server
Typ av bakgrundsbelysning:	LED
Rekommenderad användning:	Universeel
Bakgrundsbelysning:	Ja
Förbindelse:	USB
Bakgrundsbelysning-färg:	Wit
USB-hubb:	Nee
Numerisk knappsats:	Ja
Inkluderar mus:	Nee
Pekdon:	Nee
Ytfärg:	Monochromatisch
Kontaktledarmaterial:	Goud
Tangentbordslayout:	AZERTY
Handledsstöd:	Nee
Kvantitet per (yttre) huvudkartong:	10 stuk(s)
Inbyggt minne:	Ja
Tangentbordsknappbrytare:	Mechanische keyswitch
Tangentbordsstorlek:	Mini
Stil tangentbord:	Recht
Tangentbordsmått (BxDxH):	380.1 x 143.8 x 42.4 mm
Tangentbords vikt:	1025 g
Språktangentbord:	Frans
Röstningskvot:	1000 Hz
Nyckelsvarstid (max):	1 ms
Tangentbordsknappbrytarteknik:	Cherry MX Brown
Inbyggd-minneskapacitet:	512 KB
Upprepa hastighetsinställning:	Ja