Laird BTM410, User Manual

Page: 59 / 78

BTM410/411
Bluetooth
®
AT Data Module
59 www.lairdtech.com Laird Technologies
APPENDIX APPENDIX
Commands Information
ATI111 Returns LinkQual which in the CSR chipset is defined as BER (bit error rate). This returns
a value which is the number of bits in error out of 1 million. Hence a value of 0 is best,
and larger values are worse. As the value approaches 1000 (BER = 0.1%) it is an
indication that the link is very bad and a large number of Bluetooth packets are being
lost.
ATI200 Manufacturing data (e.g. module serial number, manufacturing date)
ATI333 Full AT firmware version number
Error Responses
Table 4-3: BTM Error Responses
Error Description
01 Register not recognized
02 Value for register is out of range
03 Incoming call NOT pending
04 No call to connect to. This error code has meaning for ATO only
05 Syntax Error
06 Empty String
06 Device Class could not be stored
08 Invalid Device Class Code
09 Invalid Bluetooth Address
10 Could not set Service or Friendly name
11 PS Store Write
12 PS Store Read
13 Not Idle
14 Incorrect Mode
15 Already Scanning
16 Pairing is already in progress
17 Not USED
18 Not USED
19 Not USED
20 Not safe to write to Non-volatile Store - Ongoing Bluetooth Connection
21 Link Key Cache is Empty
22 Link Key Database is Full
23 Malloc returned NULL - Resource Issue
24 Remote Address same as Local Address
25 Connection Setup Fail, DSR Not asserted
26 Unauthenticated licence
27 Max Responses (See S Register 518) too high. Memory allocation error
28 The length of Pin in AT+BTK is too long
29 Invalid Ring count specified for S Register 0 or 100. If S0<>0 and S100<>0 then S0 must be <
S100
30 ADC Error
31 Analogue Value cannot be read as it is set for output
32 Analogue Value cannot be written as it is set for input
33 S Register Value is invalid
34 Both L and R modifier cannot be specified in ATD command
35 Invalid Major Device Class – valid value in range 0x00 to 0x1F inclusive
36 Pairing in progress – Command cannot be actioned – try again later