Embedded Wireless Solutions Support

Center: http://ews-support.lairdtech.com

www.lairdtech.com/bluetooth

Laird Technologies

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0610

BT830 UART HCI Module for Big Windows

Application Note v1.1

INTRODUCTION

Laird’s BT830 is a UART HCI Bluetooth module. Because there is no EEPROM on board, you must load

module-specific settings such as MAC address and Crystal trim at the module initialization stage. This

application note explains how to use Cambridge Silicon Radio’s BtCLI tool (included in CSR BlueSuite) to

‘patch’ these settings.

REQUIREMENTS

 BT830 development board

 Windows PC (Windows 7 or 8)

 CSR BlueSuite

 Bluetooth stack which support BCSP or H4 protocol

Notes: CSR BlueSuite is available to customers under a Laird NDA. Contact

LT-wirelessinfo@lairdtech.com to obtain the NDA.

After BlueSuite is installed, PStools can be found under the CSR folder.

The BT830 development board interfaces via the board’s FTDI USB-UART chip. Windows should

install the driver for this automatically when the board is connected and powered. If not, the

driver can be downloaded from www.ftdichip.com.

For the purposes of this application note, the BlueSoleil Bluetooth stack was used as the third-party Bluetooth

stack. Any qualifying third-party Bluetooth stack may be used. However, this cannot be provided by Laird.

PATCHING WITH BTCLI

BT830 Default Settings

Before any settings are loaded, the BT830’s default settings are as follows:

 BCSP transport protocol (Figure 1)

 115200 bps (8-E-1) UART configuration (Figure 1)

 MAC address – 00025B00A5A5 (Figure 2)

BT830 UART HCI Module for Big Windows

Application Note

Embedded Wireless Solutions Support

Center: http://ews-support.lairdtech.com

www.lairdtech.com/bluetooth

Laird Technologies

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0610

Figure 1: Default UART configuration in BlueSoleil BT stack

Figure 2: Default Bluetooth MAC address shown in BlueSoleil BT stack

Note: The BlueSoleil BT stack is used here as an example of a third-party Bluetooth stack. It is not

provided by Laird.

Modifying the Configuration File

Laird has provided a configuration file (BT830_BigWindows.btcli) which includes all of the required settings.

You can modify this file to change transport (BCSP / H4) protocol (Figure 3 and Figure 4), UART

configurations (Figure 5 and Figure 6), BT/WIFI coexistence scheme (Figure 8), Bluetooth MAC address (Figure

7), and so on.