Laird DVK-BTM46 Series, Быстрый старт

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BTM461 Development Kit
Quick Start Guide
Americas: +1-800-492-2320 Option 2 2 Laird Technologies
Europe: +44-1628-858-940
Hong Kong: +852 2923 0610
www.lairdtech.com/bluetooth
The data is stored and retrieved from non-volatile memory using Laird Technologies BLOB mechanism, which
handles data strings of varying sizes. The required command sequence to store data is:
AT+BTB=”string”
AT+BTBxxxxx
“String” is the data that you wish to store (note that the “” are required) and xxxxx is the write address.
AT+BTB=”string” stores the string in the BLOB and AT+BTBxxxxx writes the most recently stored string in the
given address.
To retrieve data, enter the command:
AT+BTByyyyy
Here, yyyyy is the read address. This sequence MUST be repeated for all 8 parameters in Table 1 .
Several of the parameters have strict formatting requirements, detailed in Table 2 .
Table 2: IPS Parameter - Formatting Requirements
Parameter Format
Hardware Version 6-digit number (internally split into three 2-digit values)
Firmware Version 6-digit number (internally split into three 2-digit values)
Seed Value 10-digit Hexadecimal number
Subprotocol Data Name When testing in Lterminal, must be set to com.lairdtech
Figure 1 shows some screenshots from the Laird iOS utility ‘LTerminal’.
Figure 1: LTerminal on iOS
Command ATI150 returns a bit map representing each of the configuration parameters that require setting. If
this returned value is not 0, then one or more of the parameters have not been set correctly. Any bit that is
set to 1 indicates the parameter that has not been set.
Figure 2 shows a screen shot of the read and write sequence and the expected responses from the module.