
2-45
2—SOFTWARE
ISD-SR3000
ISD
Example: Get the value of the return noise tokens flag (index number 0x53). The results indi-
cate it to be enabled.
Note: the maximum number of bytes allowed to be written in one transaction is 32 bytes.
GTUNE
Get Tunable Parameter
Opcode:
0x06
Syntax:
GTUNE Index [parameter_value]
Type:
Synchronous
Description:
Gets the value of the tunable parameter identified by Index as the value,
parameter_value. This command may be used to read and identify the
parameter value that was set to tune the ISD-SR3000.
If Index does not point to a valid tunable parameter, ERR_PARAM is set in the
error word.
The GTUNE command may be used in IDLE state or RESET state. If TUNE
command was not used to set the tunable parameters, then the GTUNE
command will read the default parameter value.
Parameters:
Index is one byte long and parameter_value is 2 bytes long
Source
Byte Sequence
Code
GTUNE 53
Host Controller
06
53
AA
AA
ISD-SR3000
06
53
00
01
INFG
Tag Data Information Get
Opcode:
0x3E
Syntax:
INFG data_offsett Num_Of_Bytes [byte
1.
..byte
n
]
Type:
Synchronous
Description:
Retrieves the data information (Num_Of_Bytes bytes long) stored in the tag
header, located at offset
data_offsett
, of the current message.
Parameters:
data_offsett and Num_Of_Bytes are one byte long. The maximum number of
bytes that can be stored in a message header is 74. This means that:
74>(data_offsett + Num_Of_Bytes).