Digi XBee 3 Cellular LTE-M User Manual page 289

File system API frames
Format
The following table provides the contents of the frame. For details on frame structure, see
format.
Offset Size
0 8-bit
1 16-bit
3 8-bit
4 8-bit
5 8-bit
6-n variable
EOF 8-bit
File System Commands
Value
0x01
0x02
0x03
0x04
0x08
0x10
0x11
0x12
0x13
0x1C
0x2F
0x40
0x4F
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
Frame Field Description
Start Indicates the start of an API frame.
Delimiter
Length Number of bytes between the length and checksum.
Frame type Local File System Request - 0x3B
Identifies the data frame for the host to correlate with a
Frame ID
subsequent response. If set to 0, the device will not emit a
response frame.
See File System Commands
File System
Command
Variable content based on
Request
Parameters
Checksum 0xFF minus the 8-bit sum of bytes from offset 3 to this byte
(between length and checksum).
Command
File Open
File Close
File Read
File Write
File Hash
Directory Create
Directory Open
Directory Close
Directory Read
Get Path ID
Delete
Volume Info
Volume Format
Local File System Request - 0x3B
API frame
for valid command values.
File System Command.
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