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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6 OPERATION METHOD
Select your favorite music!
Touch Operation Area Speaker ConnectorPower Switch
USB Connector for
Power Supply
USB Memory Connector
Reset Switch
Selection Next Switch
Selection Previous Switch
Play/Stop SwitchSelection Indicator LED
Figure 16 Operation Explanation Diagram
6.1 MP3 File Play
(1) From Preparation to Power On
① Audio data (music1.mp3 to music5.mp3) and image data (picture1.jpg to
picture5.jpg, select.jpg) are contained in the root directory of the USB memory.
② Insert USB memory in USB memory connector of simple AV system board.
③ Connect earphones or speakers to the speaker connector.
④ Connect USB cable to the USB connector for power supply.
⑤ Press down power switch (power on).