SmartGPU2-LCD480X320Touch-CommandSet

SMART GPU 2 3.5” TOUCH
Command Set
Vizic Technologies ©2014 92
File ACK List:
As Mentioned before, those FAT Data Management commands always respond
2 ACKs, first ACK is for File Operation, and second ACK is for command success.
The next list of bytes, are the possible ACKs that could be obtained from any File
Operation:
Byte received
Meaning
Description
0x00 (hex)
OK
Success.
0x01 (hex)
DISK ERROR
Hard error in low level disk I/O
layer.
0x02 (hex)
INTERNAL ERROR
Assertion failed.
0x03 (hex)
NOT READY
Physical drive cannot work.
0x04 (hex)
NO FILE
Could not find the file.
0x05 (hex)
NO PATH
Could not find the path.
0x06 (hex)
INVALID NAME
Path name invalid format.
0x07 (hex)
DENIED
Access denied or full directory.
0x08 (hex)
EXIST
Access denied to prohibited access.
0x09 (hex)
INVALID OBJECT
File object is invalid.
0x0A (hex)
WRITE PROTECTED
Physical drive is write protected.
0x0B (hex)
INVALID DRIVE
No Drive/microSD card is inserted.
0x0C (hex)
NOT ENABLED
The volume has no work area.
0x0D (hex)
NO FILESYSTEM
There’s no valid FAT volume.
0x11 (hex)
NOT ENOUGH CORE
The LFN working buffer could not
be allocated.
0x12 (hex)
TOO MANY OPEN
FILES
No more files can be opened.
0x13 (hex)
INVALID
PARAMETER
Given parameters are invalid.