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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③ Audio Data Selection Image Display Processing State
After the USB memory is recognized, the system is in audio data selection image
display processing state.
Image files are read from the USB memory and images for selecting audio data are
displayed on the LCD. After display processing, the system shifts to audio data
playback stop state.
Track1
Select your favorite music!!
Track2 Track3
Track4 Track5
Figure 53 Audio Data Selection Image Display
[Individual State]
Play/stop switch, selection previous switch, selection next switch
Does not function even if pressed down.
LCD Touch Panel
Does not function even if touched.
LED
LED1 lights.
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.