Laird DVK-BT730-SA Quick Start Manual Download | Manualshive

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DVK-BT730 Development Kit

Quick Start Guide - SPP

Americas: +1-800-492-2320 Option 2

12

Laird Technologies

Europe: +44-1628-858-940

Hong Kong: +852 2923 0610

www.lairdtech.com/bluetooth

E

XCHANGE

S

ERIAL

D

ATA WITH

A

NOTHER

DVK-BT730

B

OARD

A pair of DVK-BT730s is required in this example. The first board is configured as in the previous section. On
the second board, no specific configuration is required.

Discovery and Pairing

The first DVK-BT730 with MAC address (0016A4400157B) (on COM16) is ready to be discovered by the
second DVK-BT730 with MAC address 0016A440004A which is physically connected to COM1.

On the second development board, issue AT+BTIN to discover the first board (

Figure 26: Issue AT+BTIN

Once the first board is discovered, issue AT+BTW<MAC address> and AT+BTK=”1234” to complete the
pairing process. Since Auto Save link is not enabled, AT+BTT is issued to save the link manually (

).

Figure 27: Complete pairing process

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Summary of Contents for DVK-BT730-SA

Page 1: ...ent kit motherboard s USB socket provides ONLY power to the module A RS232 connection is required to have serial communications with the module on the carrier board Laird provides a terminal emulator program called Laird EZURiO Terminal for AT mode operation but you can use your preferred terminal emulator program in its place Another program Laird provides is MpBtHost for multipoint MP mode opera...

Page 2: ... by sending AT and then return This should return OK 8 Send the following commands to set up the module as shown in Figure 3 ATS538 1 Auto save link key if pairing is successful ATS512 4 Put the module in discoverable and connectable mode ATS0 1 Auto answer in 1 second AT BTK 1234 Legacy pairing code AT W Store new S Register settings ATZ Reboot the module so settings become effective Figure 3 Mod...

Page 3: ...ivers No driver downloads are required 3 Once installed check the Windows Device Manager Figure 5 Note the presence of the Microsoft Bluetooth Enumerator and TDK Bluetooth USB Adaptor These indicate a successful installation Figure 5 Windows Device Manager Discovery and Pairing The DVK BT730 is now ready to be discovered by the PC To initiate this process follow these steps 1 Click Start Devices a...

Page 4: ... Enter the device s pairing code Figure 7 This was set to 1234 via AT BTK 1234 in the Preparation Figure 7 Enter the device s pairing code A successful pairing is indicated by a PAIR 0 remote device address message in the terminal program connected to the module Figure 8 Figure 8 Device successfully added Windows now displays the COM ports assigned for use with the DVK BT730 Figure 9 ...

Page 5: ...the previous step In the example below the first Laird EZURiO Terminal is connected to the module COM16 and the second Laird EZURiO Terminal is connected to virtual COM 43 on the PC When the second Laird EZURiO terminal COM43 is opened the connection is made and you should see a RING message followed by a CONNECT message from the module Figure 10 The 12 characters following the RING and CONNECT me...

Page 6: ...smitted over the Bluetooth link between the DVK BT730 modules and the PC Note the status of the DCD during a connection Figure 11 Figure 11 Transparent data connection present The connection can be dropped by typing into the module terminal window on COM16 This appears in the computer terminal window but is interpreted as a command to enter local command mode Once in local command mode OK displays...

Page 7: ...mer can confirm if the computer is equipped with a built in Bluetooth module by checking Windows Device Manager Figure 14 Figure 14 Windows Device Manager Discovery and Pairing The DVK BT730 is now ready to be discovered by the computer To discover and pair the DVK BT730 follow these steps 1 Open Device and Printers 2 Click Add a device The DVK BT730 should now appear in this case as Laird 00157B ...

Page 8: ... device s pairing code Figure 16 This code was set to 1234 using the command AT BTK 1234 in Preparation Figure 16 Select Enter the device s pairing code A successful pairing is indicated by a PAIR 0 remote device address message in the terminal program connected to the module Figure 17 Figure 17 Successful pairing indicated Windows displays the COM ports assigned for use with the DVK BT730 Figure ...

Page 9: ...ng COM port COM32 is waiting for an incoming connection as the DCD indication is deserted Figure 19 Figure 19 Virtual incoming COM32 port When ATD Computer BT MAC address is issued to the module a SPP connection is initiated Figure 20 The 12 characters following the CONNECT message are the Bluetooth address of the PC BT module The four characters following the BT address indicate the UUID where 11...

Page 10: ...igure 22 Connection dropped EXCHANGE SERIAL DATA WITH AN ANDROID PHONE To create an SPP connection to the module we use the BlueTerm application available from the Play Store Discovery and Pairing The DVK BT730 is now ready to be discovered by the Android phone To do this follow these steps 1 From the BlueTerm application click Menu and select Connect device 2 Click Scan for devices The BTM731 sho...

Page 11: ...now present Any text entered into Laird EZURiO Terminal appears on BlueTerm Note the status of the DCD during a connection The connection can be dropped by typing into the module terminal window left This appears in the computer terminal window but is interpreted as a command to enter local command mode Once in local command mode OK displays and you may issue ATH to drop the connection at this poi...

Page 12: ... configuration is required Discovery and Pairing The first DVK BT730 with MAC address 0016A4400157B on COM16 is ready to be discovered by the second DVK BT730 with MAC address 0016A440004A which is physically connected to COM1 On the second development board issue AT BTIN to discover the first board Figure 26 Figure 26 Issue AT BTIN Once the first board is discovered issue AT BTW MAC address and A...

Page 13: ...28 Initiate a SPP connection A transparent data connection is now present between the two development boards Any text entered into one terminal appears on the other Drop the connection by typing into the module terminal window left This appears in the computer terminal window but is interpreted as a command to enter local command mode Once in local command mode OK displays and you may issue ATH to...

Page 14: ...tgoing connections ATS512 1 Idle Mode ATS507 1 Allows DSR input to be used to inhibit autoconnect cycle ATS505 10 Connection attempts timeout after ten seconds ATS530 15000 Wait period in milliseconds between connection attempts AT BTK 1234 Legacy pairing code AT W Store S register settings ATZ Reboot module Discovery and Pairing The first DVK BT730 with MAC address 0016A400157B on COM16 is now re...

Page 15: ...d ultimately into mass production Further documentation is available from www lairdtech com Products Embedded Wireless Solutions Bluetooth Radio Modules BT700 Series BT730 includes BT730 Firmware User manual BT730 Hardware Integration Guide HIG DVK BT730 User Manual DVK BT730 Schematics Software Links FTDI Driver http www ftdichip com Drivers VCP htm Laird EZURiO terminal http www lairdtech com zi...

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