Svantek SVAN 979 - Function #D - Read; Write the Data Files from the External Memory (Sd Card; Usb Disk )

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SVAN 979 User Manual - Appendixes
A.9. FUNCTION #D – READ / WRITE THE DATA FILES FROM THE EXTERNAL MEMORY (SD CARD /
USB DISK)
<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>;