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116
Rev.
© 2016 Earth Computers Tech. Inc.
1.7.42 SD_FILE_WRITE
Description:
Writes the specified number of bytes to the opened SD Flash file, starting from
File Position Index. File Position Index is incremented by the number of the bytes
written.
Supported file systems
: FAT12, FAT16, FAT32
Code:
77
hex,
119
dec
7
6
5
4
3
2
1
0
Byte 0: Command
Byte 2: First Character of the file path
Byte 3: Second Character of the file path
Byte n+1: Data Byte n
Notes:
SD card has to be formatted in the supported file system.
This command works only if the file is already opened by the
SD_FILE_OPEN
command, or
created and opened by the
SD_FILE_CREATE
command.
See Also:
SD_FILE_CREATE
,
SD_FILE_OPEN
,
SD_FILE_CLOSE
,
SD_FILE_CLOSE_ALL
SD_FILE_WRITE
Number of Bytes to Write 0
Data Byte n
File ID
Da
ta
B
yt
es
to
W
rit
e
Number of Bytes to Write 2
Data Byte 0
Number of Bytes to Write 1
Number of Bytes to Write 3
Data Byte 1
Da
ta
B
yt
es
to
W
rit
e
Summary of Contents for ezLCD-405
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