User Manual
Table Of Contents
- Revision History
- Table of Contents
- Target products
- 1 INTRODUCTION
- 2 OVERVIEW OF SIMPLE AV SYSTEM BOARD
- 3 PREPARATIONS
- 4 PROGRAM EXECUTION METHOD
- 5 SUPPORTED MEDIA
- 6 OPERATION METHOD
- 7 SPECIFICATIONS
- 7.1 Hardware
- 7.2 Software
- 7.2.1 Software Block Diagram
- 7.2.2 Software Library
- 7.2.3 System Specifications
- 7.2.4 API Specifications
- 7.2.5 Operation Limit
- 7.2.6 Operation Flow of Entire Application
- 7.2.7 Application State Transition
- 7.2.8 Operation Flow
- 7.2.8.1 Main Processing Function
- 7.2.8.2 USB Task Processing Function
- 7.2.8.3 File System (MDF) Task Processing Function
- 7.2.8.4 HMI Task Processing Function
- 7.2.8.5 AUDIO Play Task Processing Function
- 7.2.8.6 Switch Press Detection Processing Function
- 7.2.8.7 Processing Function After Switch Press Detection
- 7.2.8.8 Touch Panel Touch Detection Processing Function
- 7.2.8.9 Processing After Touch Panel Touch Detection Function
- 7.2.9 File Configuration
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(2) Song Selection Operation
Pressing the song selection next switch selects audio file in the following order.
music1.mp3 => music2.mp3 => ... => music5.mp3
If the next switch is pressed while music5.mp3 is selected, music5.mp3 is then
selected.
Pressing the song selection previous switch selects audio file in the following order.
music5.mp3 => music4.mp3 => ... => music1.mp3
If the next switch is pressed while music1.mp3 is selected, music1.mp3 is then
selected.
LED1 to LED5 correspond to music1.mp3 to music5.mp3; the lit LED indicated the
file currently selected.
Songs can be selected while music is not played.
Select your favorite music!
Selection Next Switch
Selection Previous Switch
Figure 17 Song Selection by Previous/Next Switch