SmartGPU2-LCD480X320Touch-CommandSet

SMART GPU 2 3.5” TOUCH
Command Set
Vizic Technologies ©2014 20
2.2.4 Display Brightness - 42hex - B ascii
Commands (host)
3 bytes
1.- 0x4D (hex), M (ascii). *Master command
2.- 0x42 (hex), B (ascii).
3.- Brightness value (0-100) (0 hex-64 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 display
brightness, 0(0hex) stands for none,
100(64hex) stands for maximum brightness.
Default brightness on reset or power on is
100(64hex).
Example (sent commands)
Example 1:
<4D,42,00> Set minimum brightness (leds off).
Example 2:
<4D,42,64> Set maximum brightness.
Example 3:
<4D,42,32> Set half brightness.
All data is in hex.