SonTek/YSI Argonaut-XR Technical Manual - HydroScientific West

Appendix 1. Argonaut Binary Data File Format
Argonaut Operation Manual Firmware Version 7.9 (May 1, 2001)
SonTek/YSI
The file format described in this appendix is valid for Argonaut CPU firmware versions 3.0 and
higher. For information about changes in the Argonaut data file format from previous firmware
versions, contact SonTek.
A1.1. Overview
The basic structure of an Argonaut binary file with N samples is shown below. The size of each
sample is a function of the setting of the DataFormat parameter (LONG or SHORT, see §3.8).
File Header 418 bytes
Sample 1 (22 or 38) bytes
Sample 2 (22 or 38) bytes
...
Sample N (22 or 38) bytes
The Argonaut file header consists of three binary structures in the following order.
Argonaut Sensor Configuration 96 bytes
Argonaut Operation Configuration 64 bytes
Argonaut User Setup Parameters 258 bytes
Each of the structures mentioned above are described in detail (using their C language
definitions) in the remainder of this appendix. Source code is provided in ARGDATA.H, which is
included on the software distribution disk.
A1.2. File Header Structures
Each Argonaut file header structure is described below using the C language definition. The first
structure, “Argonaut Date and Time Structure”, is referenced by other structures.
Argonaut date and time structure (8 bytes)
typedef struct {
int year;
char day,
month,
minute,
hour,
sec100,
second;
} DateTimeType;
Argonaut sensor configuration structure (96 bytes)
typedef struct {
char ConfigType; /* Type 0x40 */
char ConfigVer; /* Version 0x02 */
int Nbytes; /* Bytes in configuration */
DateTimeType ConfigTime; /* Date created or last modified */
unsigned char SoftwareVerNum; /* Ver number of ADCM firmware */
unsigned char DspSoftwareVerNum; /* Ver number of DSP firmware */
char BoardRev; /* Electronics board revision */
char SerialNumber[10]; /* Sensor serial number */
char SystemType; /* Low Nibble: 0-3MHz 1-1.5MHz */
/* High Nibble: */
/* 0 - MD */
/* 1 - XR */
/* 2 - SL */
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