Develop Program of ET-MEGA2560-ADK by Arduino

Users Manual of Board Microcontroller ET-MEGA2560-ADK
Develop Program of ET-MEGA2560-ADK by Arduino

Normally, Board ET-MEGA2560-ADK has already installed
Program Bootloader into MCU; it uses Bootloader called
stk500boot_v2_mega2560.hex
that
is
the
standard
of
Bootloader from Arduino. This Program Bootloader is used to
communicate and upload Code from computer PC into MCU on
board,
without
using
any
external
Programmer.
The
specifications of Bootloader version Arduino-0022 are listed
below;
- Use stk500v2 Protocol to communicate with external
program
- Use Baudrate 115200 at Frequency XTAL 16MHz
- Use 8 KByte Program Bootoloader and run at location
0x3E000-0x3FFFF
- Use LED that is connected with Pin Digital-13 to display
operating status while Bootloader is running
- Programs in Bootloader run automatically after reset. MCU
always starts running in this Bootloader because it waits
for signal from program to upload Code into MCU. If it
does not receive any signal in the specified time, it
skips to run program that user has loaded instantly.
This
Board
ET-MEGA2560-ADK
supports
RESET
MCU
automatically from USB Bridge (FT232RL); it uses Pin DTR from
FT232RL to be Pin Control Reset MCU.
ETT CO., LTD.
WWW.ETT.CO.TH
How to install Program Arduino

Program Arduino has been developed to use with the
Operating System in many Platforms. Nowadays (September,
2011), Program Arduino has been updated to version Ardino0022. There are 4 Platforms; Windows, Mac, OSx and Linux.
User can check and download newer program versions of Arduino
free
without
any
charge
from
http://arduino.cc/
or
http://arduino.cc/en/Main/Software. These websites collect,
publish details and update news of Arduino.
If user required installing Program Arduino, it has to
unzip and copy files and then paste them in the Folder
c:\arduino-0022 as shown in the example below;
ETT CO., LTD.
WWW.ETT.CO.TH
Test on writing program by Arduino

After user has installed Program Arduino completely, it
finished the process of preparation. Next, it is the process
of using program, writing program, and studying and learning
the device as required. First of all, user has to install
Program of Arduino as described below;
1. Run Program arduino.exe and it display the operating
result as shown below;
ETT CO., LTD.
WWW.ETT.CO.TH

2. If the program is called and used in the first time, user
has to set values of Hardware system for using with
Program of Arduino completely because nowadays, it has
designed circuit and built hardware for using with many
versions of Program Development of Arduino. In case of
Board ET-MEGA2560-ADK, it has to specify name of board as
Arduino Mega; click Menu Tools Board Arduino
Mega as shown in the picture below;
ETT CO., LTD.
WWW.ETT.CO.TH

3. Set the Com Port number for communicating with board; in
this case, it has to set the number according to the Com
Port Number that has actually been connected with
computer PC. For example, if the Com Port number of
computer PC is COM3, click Menu Tools Serial Port
COM3 as show in the picture below;
ETT CO., LTD.
WWW.ETT.CO.TH

4. Try to write program, click Menu File New; next, user
can write program to test the operation or open the
example file that has already been built instead. In this
case, we advise user to test the operation by blinking
program, click Menu File sketchbook Examples
Digital Blink as shown in the picture below;
ETT CO., LTD.
WWW.ETT.CO.TH

5. Compile program, click Menu Sketch
Verify/Compile;
it checks whether instructions in the program are correct
as shown in the program below;
ETT CO., LTD.
WWW.ETT.CO.TH

6. Download Code into board, click Menu File Upload to
I/O Board; user has to wait for a while until the
program runs successfully. After it has uploaded Code
into board completely, the board starts running the
instructions that have been written instantly. In this
case, user can see blinking LED that is alternating
between ON and OFF all the time at a speed of 1 second
and the operating result is shown below;
ETT CO., LTD.
WWW.ETT.CO.TH

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Users Manual of Board Microcontroller ET-MEGA2560-ADK