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File system API frames
Local File System Request - 0x3B
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
289
Format
The following table provides the contents of the frame. For details on frame structure, see
Offset
Size
Frame Field
Description
0
8-bit
Start
Delimiter
Indicates the start of an API frame.
1
16-bit
Length
Number of bytes between the length and checksum.
3
8-bit
Frame type
Local File System Request - 0x3B
4
8-bit
Frame ID
Identifies the data frame for the host to correlate with a
subsequent response. If set to
0
, the device will not emit a
response frame.
5
8-bit
File System
Command
See
for valid command values.
6-n
variable
Request
Parameters
Variable content based on
EOF
8-bit
Checksum
0xFF minus the 8-bit sum of bytes from offset 3 to this byte
(between length and checksum).
File System Commands
Value
Command
0x01
0x02
0x03
0x04
0x08
0x10
0x11
0x12
0x13
0x1C
0x2F
0x40
0x4F