SmartGPU2-LCD480X320Touch-CommandSet

SMART GPU 2 3.5” TOUCH
Command Set
Vizic Technologies ©2014 75
2.6.4 De-Allocate Video SD – 44hex - D ascii
Commands (host)
2 bytes
1.- 0x56 (hex), V (ascii). *Video Command.
2.- 0x44 (hex), D (ascii).
Responses (device)
1 byte
1.- 0x4F (hex), O (ascii) – success ACK or
0x46 (hex), F (ascii) – fail NAK.
Description
This command de-allocates a previously
allocated video on the SmartGPU 2 buffer, this
command can also be seen as “close an open
video file” and frees the buffer.
This command must always be called when
the previously allocated video isn’t needed
anymore and prior to allocate another video on
the buffer.
Example (sent commands)
Example 1:
<56,44> De-Allocates a video file in the SmartGPU
2 buffer.
All data is in hex.