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
AN706-00040-2v0-E
75
④ Audio Data Playback Stop State
After display processing is completed for the LCD in audio data selection image
display processing state, the system is in audio data playback stop state.
[Individual State]
Play/Stop switch
With the play/stop switched pressed down, the system shifts to audio data image
display processing state.
Selection previous switch, selection next switch
LED 1 to 5 shift lit.
LCD Touch Panel
When the audio data images shown in Figure 53 are touched, the system shifts
to audio data image display processing state.
LED
Playback target LED lights. LED 1 lights when USB memory recognition
processing is complete.
LCD
Image display is as shown in Figure 53.
USB
State where USB memory is inserted in the USB memory connector. If the USB
memory is removed in this state, the system shifts to initialization state and waits
for the USB to be re-inserted.