SmartGPU2-LCD480X320Touch-CommandSet

SMART GPU 2 3.5” TOUCH
Command Set
Vizic Technologies ©2014 80
2.7.3 Pause WAV File – 57hex - W ascii
Commands (host)
2 bytes
1.- 0x41 (hex), A (ascii). *Audio Command.
2.- 0x57 (hex), W (ascii).
Responses (device)
1 byte
1.- 0x4F (hex), O (ascii) – success ACK or
0x46 (hex), F (ascii) – fail NAK.
Description
When command is successfully executed (ACK), it
simply toggles between pause and play audio states.
This command is only valid when an audio file is
being played, otherwise will always return NAK.
Example (sent commands)
If File is playing:
Example 1:
<41,57> Pause Audio File.
Example 2:
<41,57> Resume/Play Audio File.
If File isn’t playing:
Example 1:
<41,57> Command ignored - NAK.
All data is in hex.