e z L C D -‐ 4 0 5
|
124
Rev.
© 2016 Earth Computers Tech. Inc.
1.7.45 SD_FOLDER_DELETE
Description:
Deletes an empty folder (directory) on the SD. This command is similar to the
DOS "rmdir" command.
Supported file systems
: FAT12, FAT16, FAT32
Code:
4D
hex,
77
dec
7
6
5
4
3
2
1
0
Byte 0: Command
Byte 2: First Character of the folder path
Byte 3: Second Character of the folder path
Byte n: Last Character of the folder path
Byte n+1: NULL
Notes:
SD card has to be formatted in the supported file system. Folder (directory) has to be
empty
About the Folder Path:
·∙ Folder Path specifies the full path to the directory on the SD.
·∙ Directories (folders) should be separated by: / (
not by: \
like in Windows and DOS).
·∙ Long names are supported, however the Folder Path (+ NULL) may not exceed 64 bytes.
·∙ Wildcards are not allowed.
ezLCD Response
After receiving the SD_FOLDER_DELETE command, the ezLCD responds with either of the
following sequences:
In case of the
success
:
7
6
5
4
3
2
1
0
0
0
1
1
1
0
1
0
Byte 0:
3A
hex,
58
dec
SD_FOLDER_DELETE
ASCII
ASCII
0
ASCII
Fo
ld
er
p
at
h
on
S
D
(N
U
LL
-‐te
rm
in
ate
d
st
rin
g)
Summary of Contents for ezLCD-405
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