SmartGPU2-LCD480X320Touch-CommandSet

SMART GPU 2 3.5” TOUCH

Command Set

2.7.6 Set Volume WAV – 56hex - V ascii

Commands (host)

3 bytes

1.- 0x41 (hex), A (ascii). *Audio Command.

2.- 0x56 (hex), V (ascii).

3.- Volume to set 0-100(dec) 0x00-0x64(hex).

Responses (device)

1 byte

1.- 0x4F (hex), O (ascii) – success ACK or

0x46 (hex), F (ascii) – fail NAK.

Description

Command needed to adjust the audio volume

output, 0(0hex) stands for none, 100(64hex) stands

for maximum audio volume.

Default audio volume on reset or power on is

100(64hex).

Example (sent commands)

Example 1:

<41,56,32> Set Audio Volume to 50(dec) Half power.

Example 2:

<41,56,00> Set Audio Volume to 00(dec) No sound.

All data is in hex.