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 Audio Data Playback State
After display processing is completed for the LCD in audio data image display
processing state, if the target MP3 file exists, the system is in audio data playback
stop state.
[Individual State]
Play/Stop switch
Playback is stopped by pressing down the play/stop, and the system shifts to
audio data selection image display processing state.
Selection previous switch, selection next switch
Does not function even if pressed down.
LCD Touch Panel
If the touch panel is touched, playback stops and the system shifts to audio data
selection image display processing state.
LED
The LED of the target audio data lights.
LCD
Image display is as shown in Figure 54.
USB
State where USB memory is inserted in the USB memory connector. If the USB
memory is removed in this state, playback stops and the system shifts to
initialization state and waits for the USB to be re-inserted.