Bolymin BEGA220A, Руководство пользователя

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BEGA220A USER MANUAL - 5 -
TABLE OF CONTENTS
1 GENERAL INFORMATION.......................................................6
1.1 I
NTRODUCTION
........................................................................................................................................ 7
1.1.1 Packing Content
......................................................................................................................................... 7
1.1.2 Module Layout ............................................................................................................................................ 8
1.2 S
PECIFICATIONS
.................................................................................................................................... 10
1.2.1 System Functional Blocks
.......................................................................................................................10
1.2.2 Module Specifications .............................................................................................................................. 11
1.3 M
ECHANICAL
S
PECIFICATIONS
................................................................................................................ 12
1.3.1 Module Specifications
..............................................................................................................................12
2 BEGA220A INSTALLATION & TESTING
..............................13
2.1 C
ONNECT
P
OWER
................................................................................................................................. 14
2.2 C
ONNECT A
SD/MMC C
ARD
.................................................................................................................. 15
2.3 C
ONNECT
H
OST
USB ............................................................................................................................ 16
2.4 C
ONNECT TO
LAN ................................................................................................................................ 17
2.5 C
ONNECT
W
I
-F
I
.................................................................................................................................... 20
2.6 C
ONNECT
C
OMMUNICATION
B
US
............................................................................................................ 24
2.6.1 Pin Assignment of Communication Bus
...............................................................................................24
2.6.2 Serial Port Test
..........................................................................................................................................25
2.6.2.1 Connect Serial Port
..........................................................................................................................................25
2.6.2.2 Serial Port test procedure ...............................................................................................................................29
2.6.3 Device USB installation ...........................................................................................................................34
2.6.4 Speaker installation
..................................................................................................................................35
2.7 ADC_GPIO B
US
.................................................................................................................................. 36
2.7.1 Pin Assignments of ADC_GPIO Bus ......................................................................................................36
2.7.2 GPIO Test
....................................................................................................................................................37
2.7.3 ADC test
......................................................................................................................................................40
2.7.3.1 ADC test set-up
.................................................................................................................................................40
2.7.3.2 ADC test procedure ..........................................................................................................................................41
3 BEGA220A PROGRAMMING GUIDE
....................................43
3.1 T
RANSFER
F
ILE
B
ETWEEN
BEGA220A
AND
PC ...................................................................................... 44
3.1.1 Connect PC and BEGA220A
...................................................................................................................44
3.1.2 Transfer Files .............................................................................................................................................48
3.2 P
ROGRAMMING FOR
BEGA220A ........................................................................................................... 49
3.2.1 Setup Development environment
...........................................................................................................49
3.2.2 Create New Project
...................................................................................................................................50
3.3 S
ERIAL
P
ORT
F
UNCTION
........................................................................................................................ 53
3.3.1 Overview
.....................................................................................................................................................53
3.3.2 Serial Port Control-CSerialPort class
....................................................................................................54
3.3.2.1 Basic concept of class CSerialPort
...............................................................................................................54
3.3.2.2 Member function of class CSerialPort ..........................................................................................................55
3.3.2.3 How to catch the receive message
................................................................................................................56
3.3.3 Example Code
............................................................................................................................................57
3.4 GPIO C
ONTROL
................................................................................................................................... 61
3.4.1 How to Control GPIO for BEGA220A .....................................................................................................61
3.4.2 GPIO Control Function for BEGA220A
..................................................................................................62
3.4.3 Definition of GPIO Index
..........................................................................................................................63
3.5 ADC C
ONVERTER AND
B
ACKLIGHT
A
DJUSTMENT
.................................................................................... 64
3.5.1 Overview
.....................................................................................................................................................64
3.5.2 Control Function of A/D Converter
........................................................................................................65
3.5.3 Function about Backlight Adjustment ...................................................................................................66
4. TROUBLESHOOTING ..............................................................67