145
WAVE File Format
CommonShareSetting (common) chunk
Stores setting information of the unit, including trigger settings etc.
Table 5
CommonShareSetting (common) chunk
Type
Variable
name
Size
(Byte)
Description
Value
char[4]
Chunk ID
4
Indicates chunk type
"CSET"
uint32
Chunk Size
4
Total size of following data
(not including this item)
644
char[12]
Product
Type
12
Product designation
“DA-21_______”
uint16
Repeat
Serial
Number
2
Repeat trigger sequential num-
ber
Top number is 1,
N
th number is
N
uint16
File Serial
Number
2
Split fi le sequential number
Top number is 1,
N
th number is
N
int64
Start Time
8
File start time
UNIX time
int64
Actual
Record
Time
8
Actual record time from Start
Time
Time accuracy
is 10 ms.
Refer to the
Wave Data
chunk for the
exact number
of samples.
int16
Unit
Equipped
Channels
2
Number of total channels
4
int16
Total
Enabled
Channels
2
Number of enabled channels
1 to 4
Reserved
2
Reserved
2
Reserved
40
Reserved
8
char[16]
Unit Serial
Number
16
Serial number
int32
Unit CPU
Version
4
CPU version
AA.BB.XXYY
(8 digits in hex
number)
int32
Unit DSP
Version
4
DSP version
AA.BB.XXYY
(8 digits in hex
number)
int32
Unit CPLD
Version
4
CPLD version
AA.BB.XXYY
(8 digits in hex
number)
Summary of Contents for DA-21
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