SmartGPU2-LCD480X320Touch-CommandSet

SMART GPU 2 3.5” TOUCH
Command Set
Vizic Technologies ©2014 76
2.7 Audio Commands
The SMART GPU 2, unlike other graphic development tools in the market, is the
only embedded graphic processor capable of managing files directly in
FAT/FAT12/FAT16 or FAT32 file systems without any special program/interface or
micro SD rare formats. It is fully compatible with any PC.
Smart GPU 2 can manage Audio files, so any file with .wav extension will be
easily opened and played.
A maximum of 32GBs micro SD memory card is supported, allowing storing
thousands of songs/audio files.
Briefly Summary of Commands in this section:
*All of Those next commands always begin with the byte ‘A’-41hex, as
they are Audio commands, followed by the next parameters/bytes.
• Initialize/De-initialize DACs/Audio – 49hex ‘I’
• Play WAV File – 50hex ‘P’
• Pause WAV File – 57hex ‘W’
• Advance WAV File – 41hex ‘A’
• Stop WAV File – 53hex ‘S’
• Set Volume WAV – 56hex ‘V’
• Get Playing State – 47hex ‘G’
• Audio Boost – 42hex ‘B’
A complete tutorial on how to load Audio Files to the SD card is explained on the
“SmartGPU2LCD320x240Datasheet.pdf” file, at the SD card file management
section.
The SMART GPU 2 can play any RIFF-WAVE format sound files known as
Microsoft wave file in LPCM: 8/16 bits, Mono or Stereo sound, and up to 48KHz
sampling rate (CD Quality). Any other format of sound files (mp3,acc,wma,etc)
must be converted to the .wav format.