Svantek SVAN 979, Руководство пользователя

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SVAN 979 User Manual - Appendixes
A.9. F
UNCTION
#D
–
R
EAD
/ W
RITE THE DATA FILES FROM THE EXTERNAL MEMORY
(SD C
ARD
/
USB D
ISK
)
<disk> logical disk number:
0
– SD Card,
1
– USB Disk
<address> directory address (cluster number)
– for internal memory 0
<offsetB> offset the first byte to read/write (an even number).
<nB> number of bytes to read/write (an even number)
<data> binary data.
<count> directory size in bytes
<name> name and extension of the file or directory
<CRC> binary CRC
#D,c,?;
This function returns the list of available disks in format:
#D,c,<disk1>[,<disk2>[,<disk3>]];
#D,d,?;
This function returns the parameters of the working directory in format:
#D,d,<disk>,<address>,<count>;
#D,d,<disk>,<address>;
This function enables to change the working directory
Response:
#D,d; - command was executed
#D,d,?; - command can not be executed
#D,M,?;
This function returns the parameters of the last measurement directory in format:
#D,s,<disk>,<address>;
#D,s,?;
This function returns the parameters of the setup directory in format:
#D,s,<disk>,<address>;
#D,l,?;
This function returns the parameters of the current logger in format:
#D,l,<name>,<nB>;
#D,a,?;
This function returns the parameters of the alarm directory in format:
#D,a,<disk>,<address>,<first_clust>,<file_length>;
#D,t,?;
This function returns the parameters of the system directory in format:
#D,t,<disk>,<address>;