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NINA-B31 series - Getting Started

UBX-18022394 - R02

Appendix

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Appendix

Glossary

Abbreviation

Definition

ACL

Asynchronous Connection-Less

Basic Rate

DSR

Data Set Ready

DTR

Data Terminal Ready

EDM

Extended Data Mode

EDR

Enhanced Data Rate

GATT

Generic Attributes

GPIO

General Purpose Input/Output

HTTP

Hypertext Transfer Protocol

LED

Light-Emitting Diode

NFC

Near Field Communication

OOB

Out Of Band

PHY

Physical Layer

SPS

Serial Port Service

URL

Uniform Resource Locator

Table 1: Explanation of the abbreviations and terms used

Summary of Contents for NINA-B31 Series

Page 1: ...les Getting Started Abstract This document describes how to set up and use the NINA B31 series Bluetooth 5 low energy module with the u blox connectivity software It also provides a technical overview...

Page 2: ...may hold intellectual property rights in the products names logos and designs included in this document Copying reproduction modification or disclosure to third parties of this document or any part t...

Page 3: ...1 LED indications and buttons 13 3 2 Restore default serial settings 14 3 3 Restore factory settings 14 3 4 Enter the bootloader 14 3 5 Flashing the module 14 4 Use case examples 15 4 1 Connect two NI...

Page 4: ...t using default physical layer 21 4 14 2 Define CODED phy using extended advertising and scanning 22 4 15Change Device Information values of NINA B31 22 4 16Write NINA B31 GPIO pin and read NINA B31 G...

Page 5: ...NINA B31 module to automatically setup a connection and or accept an incoming connection using AT commands For a host this means that an existing serial cable can be replaced by a wireless solution in...

Page 6: ...e server side sends the number of credits to the client using the credit indication and the client writes the number of credits to the server The credits correspond to the number of packets the remote...

Page 7: ...eiver of data Every sender and receiver in a setup is referred to as a peer Thus a peer is capable of either receiving or sending data There are two kinds of peer classes in the serial port adapter Lo...

Page 8: ...server profile NINA B31 has the SPS enabled by default 2 4 2 Mbps physical layer PHY In Bluetooth 5 a new physical layer has been introduced This physical layer doubles the modulation rate as compared...

Page 9: ...a terminal window though the characters can also be typically pasted instead The module leaves the command mode and enters data mode using the ATO1 ATO2 command It is also possible to toggle the UART...

Page 10: ...s also possible to execute AT commands as part of the extended data mode protocol Hence it is not necessary to enter the command mode from the extended data mode Figure 5 Extended data mode No extende...

Page 11: ...e AT UBTCFG command is used to set the maximum number of Bluetooth connections In data mode data is transmitted over air to all the connected devices and the data received from remote devices is inter...

Page 12: ...hanged out of band Use the security mode 1 Bluetooth 2 1 auto accept security AT UBTSM 1 to start with It is highly recommended to analyze the security and if appropriate use a more secured solution f...

Page 13: ...9 Figure 9 EVK NINA B31 Evaluation board The LED indicates what mode is currently active and what activity is currently in progress The following color indications are used See EVK NINA B3 User Guide...

Page 14: ...seconds during power up the factory settings are restored You can also restore to the factory settings using the AT UFACTORY command followed by power off on 3 4 Enter the bootloader To enter the boot...

Page 15: ...ss AT UDDRP 0 sps 112233445566 2 Startup NINA B31 in data mode AT UMSM 1 Store configuration AT W Restart NINA B31 AT CPWROFF Set up second NINA B31 as a Peripheral Device B NINA B31 has the u blox Se...

Page 16: ...re information about Eddystone To change advertise packet on NINA B31 to include the Eddystone URL in this example the URL will point to the u blox home page AT UBTAD 0303AAFE0D16AAFE10F801752D626C6F7...

Page 17: ...ces and its characteristics can be found at 8 and 9 AT UBTGSER 180D UBTGSER 30 Add a Heart Rate measurement characteristic with notification support AT UBTGCHA 2A37 10 1 1 UBTGCHA 32 33 Optionally cha...

Page 18: ...handle 65535 from the UBTGDP and Discover all characteristic descriptors AT UBTGDCD 0 32 65535 UBTGDCD 0 32 33 2902 OK After finding the Client Characteristic Configuration descriptor 2902 use the des...

Page 19: ...enabled smart phone when you touch the NFC antenna of NINA B31 with your smart phone Set URI to NFC tag AT UNFCURI 1 https www u blox com Enable NFC URI AT UNFCEN 2 Touch the NFC antenna of NINA B31 w...

Page 20: ...orary Key AT UBTOTK 0 Read the random OOB Temporary Key AT UBTOTK UBTOTK 239FBA31E3A435B10AF28B5FEF47DDC1 Note the local address for pairing from Device B AT UMLA 1 UMLA D4CA6EB00613 Set up NINA B31 D...

Page 21: ...data mode ATO1 4 14 Connect two NINA B31 using Coded PHY 4 14 1 Connect using default physical layer The default physical layer PHY is used when connecting two NINA B31 modules Set preferred PHY on bo...

Page 22: ...ce A to Device B Create an SPS connection to Device B use AT UMLA 1 to find the address of device B AT UDCP sps 223344556677p Go to data mode on both devices ATO1 4 15 Change Device Information values...

Page 23: ...PIOC 4 255 UGPIOC 5 255 UGPIOC 24 255 UGPIOC 25 255 UGPIOC 27 255 OK Set pin 2 as an input no resistor activated AT UGPIOC 2 1 0 Read the current value of pin 2 current value is 0 zero AT UGPIOR 2 UGP...

Page 24: ...a Set Ready DTR Data Terminal Ready EDM Extended Data Mode EDR Enhanced Data Rate GATT Generic Attributes GPIO General Purpose Input Output HTTP Hypertext Transfer Protocol LED Light Emitting Diode NF...

Page 25: ...cation Document No UBX 14044126 8 https www bluetooth com specifications gatt services 9 https www bluetooth com specifications gatt characteristics 10 u blox Low Energy Serial Port Service Protocol S...

Page 26: ...onal Office China Beijing Phone 86 10 68 133 545 E mail info_cn u blox com Support support_cn u blox com Regional Office China Chongqing Phone 86 23 6815 1588 E mail info_cn u blox com Support support...

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