EM2416 Linux User Manual

8/4/2019 EM2416 Linux User Manual

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KIT2416 Linux User Manual

EM2416 Linux User Manual

Ver 1.1

Date: 05

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EM2416 Linux User Manual 1

Rev Date Description

V1.0 2010-3-20 The initial released Version

V1.1 2010-01-05 The Second released Version


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CatalogueEM2416 LINUX USER MANUAL ............................................................... ........................................ 0

1 HARDWARE ENVIRONMENT.........................................................................................................4

1.1HARDWARE PREPARATION ...............................................................................................................4

1.2HARDWARE CONNECTION ................................................................................................................4

1.2.1Serial port ........................................................... ...................................................................... 4

1.2.2 IROM Mode Download .................................................... ........................................................ 5

1.2.3 Network communication ............................................................ .............................................. 5

2 SOFTWARE ENVIRONMENT..........................................................................................................5

2.1BUILD LINUX WORKING ENVIRONMENT .........................................................................................5

3 BURN LINUX INTO EM2416............................................................................................................5

3.1U-BOOT PREPARATION .....................................................................................................................6

3.1.1 configure files in SD Card ....................................................... ................................................. 6

3.1.2 Set U-boot Environment Variables...........................................................................................9

3.3TRANSFER AND WRITE IMAGE BY SD CARD ..................................................................................13

3.3.1 Download and Update system...............................................................................................13

4 INSTALL CROSS COMPILER ....................................................................................................14

5 COMPILE UBOOT SOURCE PACKAGE ....................................................................................17

5.1UNZIP THE UBOOTSOURCE PACKAGE .........................................................................................17

5.3COMPILE U-BOOT.BIN ....................................................................................................................17

6 COMPILE LINUX KERNEL SOURCE PACKAGE .....................................................................18

6.1UNZIP THE LINUX KERNEL SOURCE PACKAGE...............................................................................18

6.2CONFIGURATION STEPS .................................................................................................................18

6.3COMPILE THE ZIMAGE ...................................................................................................................20

7. GENERATE THE ROOT FILE SYSTEM IMAGE (YAFFS) ......................................................21

7.1FILE SYSTEM DIRECTORY ..............................................................................................................21 7.2GENERATE THE IMAGE FILE YAFFS ................................................................................................21

8. DEVICE DRIVERS AND TEST .....................................................................................................22

8.1ETHERNET DEVICE DRIVERS TEST(PING) ............................................................ ..........................22

8.1.1 Test Steps................................................... ........................................................... ................22

8.2MMCCARD DEVICE DRIVERS TEST .............................................................................................23

8.2.1 Configure the Kernel on MMC Card.......................................................................................23

8.2.2 Test Steps................................................... ........................................................... ................25

8.3USBHOST INTERFACE DEVICE DRIVERS TEST..............................................................................25

8.3.1 Configure the Kernel on USB Host ................................................... ..................................... 25

8.3.2 Insert USB Mouse/Keyboard ........................................................... ...................................... 29


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8.3.3 Insert USB mass Storage Device...........................................................................................29

8.4EM2416TOUCH SCREEN DRIVERS TEST.......................................................................................32

8.4.1 Configure the kernel on Touch Screen...................................................................................32

8.4.2 Test Steps................................................... ........................................................... ................34

9. DEVELOP APPLICATION IN THE HOST...................................................................................34

9.1WRITE HELLO CODE .....................................................................................................................34

9.2COMPILE HELLO ............................................................................................................................35

10. DOWNLOAD THE APPLICATION TO THE EM2416 BOARD..............................................35

10.1COPY BY UDISK .........................................................................................................................35

APPENDIX A :NETWORK SERVICE ..............................................................................................36

APPENDIX B: DEVELOPMENT IN QT ...........................................................................................39


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1. Hardware Environment

1.1 Hardware preparation

Hardware preparation :

z +5V/2a external power supply

z DB9 cross serial cable, to connect PC and COM1 of EM2416

z Ethernet cable

z PC to run Ubuntu9.10 or Windows

z EM2416 development board

Optional items: LCD, earphone/MIC, mouse/U disk, MMC card, SD card

1.2 Hardware connection

Power on the development board.

1.2.1Serial port

Serial port is use to display information of the development board, but also to send

command to the board. Connect PC and COM1 of the development board with serial

cable that provided by Boardcon. In the host, the HyperTerminal in Windows can

communicate with EM2416 serial port.

Chapter 4 will describe how to update Linux file by serial port.


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1.2.2 IROM Mode Download

EM2416 is able to boot from IROM, and cure bootloader by SD card. User can recure

bootloader by U-boot(see section4.1). However, if there is no available bootloader in

Nandflash, please burn bootloader by IROM.

1.2.3 Network communication

User can connect PC and the development board directly with cross Ethernet cable, or

connect Hub and the development board with parallel Ethernet cable for communication.

Network communication is use to download U-boot and test all kinds of network

applications. You can get knowledge of it from Section 4 and Section 9.

The Host default IP address is 192.168.0.12. The destination address of the development

board is 192.168.0.19. They can be set by users.

2. Software Environment

2.1 Build Linux Working Environment

Before the development, user needs to install the software Ubuntu to build Linux working

environment. Please refer to the corresponding information for the installation.

3. Burn Linux into EM2416

Image files for installation:

z Sdloader: u-boot-movi.bin ( for booting from SD Card)

z Bootloader : u-boot-nand.bin ( for booting from Nand Flash)

z Linux Kernel: zImage (kernel image file)

z Root file system: rootfs.yaffs2 (file system image file)

These files are in LINUX/image of the CD-ROM. User can install Linux system with the

image files.

Note: command prompt in HOST terminal is ' $ ', and it's '#' in DNW.


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3.1 U-boot Preparation

Bootloader plays an important role in embedded system. Its main tasks are as follows:

z Copy the kernel from flash memory to RAM, and execute the kernel.

z Initialize the hardware

z Provide function to write into flash (curing program)

z Provide the interface for sending commands to the target board and informing the

target board status to the user.

Currently u-boot is as the Bootloader of EM2416.

3.1.1 Configure files in SD Card

This chapter describe how to burn u-boot.bin , zImage and root_EM2416.yaffs into the

development board by SD card. The steps are as follows:

1) Put the CD-ROM into the driver, open CD/Tools/uboot_writer.exe in Windows operating

system. Put the SD card into a reader and connect it to the computer. Open the disk

corresponds to SD card in uboot_writer.exe( please use the SD card provided by

boardcon), as shown:


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Figure 3.1

2) Click Browse on the right of the Bootloader, select u-boot-movi.binin CD-ROM

3) Click Browse on the right of the Kernel, select zImagein CD-ROM4) Click Browse on the right of the Specific Sector , select rootfs.yaffs2in CD-ROM, and

type 3600000 into the Sector , as shown in figure 3.2


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Figure 3.2

5) Click START . Below is the picture shows the burning is successful.

Figure 3.3


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6) Reopen the uboot_writer, click Browse on the right of the Specific Sector , select

u-boot-nand.bin in CD-ROM, and type 3800000 into the Sector. Click START , you can

get the information as follows:

Figure 3.4

7) It means the system has already burned into SD successfully.

3.1.2 Set U-boot Environment Variables

Configure EM2416 U-boot including the following items. User must configure it correctly

for the first time or it will don't work.

z The development board IP

z TFTP server IP

z The kernel booting parameters

z Bootcmd booting command

Go to Start ->Programs ->Accessories ->Communications, and select Hyperterminal, type

a name for the connection into the Name (e.g. " EM2416"). Use the default icon. Click OK.

As shown in figure 3.6


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Figure 3.6

Select COM1 and click OK.

Figure 3.7

Select 115200 for the Bits per second. Leave Data bits, Parity and Stop bits on the default

settings (shown). Select None for the Flow Control. Click OK.


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Figure 3.8

Go to File ->save (shown). You can double click EM2416 to open the Hyperterminal next

time, shown in figure 3.10

Figure 3.9


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Figure 3.10

Open the Hyperterminal, insert the SD card(has burned Sdbootloader) into the SD

connector, set the board boot from SD card mode.

SD card mode: (Boot Mode Switch: Push the Boot mode switch at Nor Flash Side)

Then power on the development board. If Bootloader has been launched successfully, it

will appear the UBOOT booting information as shown in figure 3.11, press any keys to

enter the Uboot command mode within 3 seconds.


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Figure 3.11

3.3 Transfer and Write image by SD card

3.3.1 Download and Update system

Turn on the power and press any keys within 3 seconds to enter the U-boot command

mode. Input the following commands to download uboot.bin.

Erase the flash

# nand scrub

# nand erase

Update the bootloader Image.

#movi read 3800000# 40000 c0000000

#nand write c0000000 0 40000

Update the Kernel Image.

# movi read kernel c0000000

# nand write c0000000 40000 200000

Update the Rootfs Image.

# movi read 3600000# 3C65040 c4000000

# nand write.yaffs c4000000 400000 3C65040

Then set board boot from the Nand flash(Boot Mode Switch: Push the Boot mode

switch at Nand Flash Side),

and then reboot the board, and then press space to enter the uboot command mode, run

the follow command to set the U-BOOT environment variables. Please input the following

commands:

# setenv bootcmd nand read.jffs2 C0008000 40000 400000;bootm C0008000

# set bootargs "noinitrd console=ttySAC0,115200 root=/dev/mtdblock2 rootfstype=yaffs2 init=/linuxrc"

# saveenv


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4. Install cross Compiler1) Install cross compiler arm-linux-gcc before compiling Linux. The installation package

is in CD-ROM\TOOLS\cross-4.2.2-eabi.tar.bz2

cross-4.2.2-eabi is for compiling U-BOOTthe Linux kernel and the file system.

Enter the UBUNTU system, create an armdirectoryin /usr/local . Enter the new directory

and decompress the compiler.

$ sudo mkdir /usr/local/arm

$ cd /usr/local/arm

$ sudo tar xjvf /media/cdrom/TOOLS/cross-4.2.2-eabi.tar.bz2

2edit ./bashrc

$ sudo gedit ~/.bashrc

In the last line, add the following command after ' fi '. As shown in figure 4.1

export PATH=$PATH:/usr/local/arm/4.2.2-eabi/usr/bin


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Figure 4.1

Save it and exit.

And execute the command: $source ~/.bashrc

Input the following command, we can get the version information on the compiler.

$ arm-linux-gcc -v


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Figure 4.2

By these steps, the cross compiler will be installed.


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5. Compile UBOOT

5.1 Unzip the UBOOT Source Package

Create a directory EM2416 in Ubuntu and modify its rights to make user can modify the

file in the directory directly.

$ sudo mkdir /EM2416

$ sudo chown book:book /EM2416 R

Note: book is the user name in UBUNTU defined when installed the system. User can

modify it according to the host user name.

Create a new folder tftpboot in root file for the storage of uboot.binzImage and so on.

$ sudo mkdir /tftpboot

$ sudo chown book:book /tftpboot -R

Move into the EM2416 directory, unzip the Uboot source package. Please execute the

following command:

$ cd /EM2416

$ tar xjvf /media/cdrom/linux/u-boot-1.3.4.tar.bz2

5.3 Compile u-boot.bin

Move into the uboot folder

$ cd /EM2416/u-boot-1.3.4-samsung

Clean the generated files in source file,

$ make distclean

Configure uboot

$ make smdk2416_config

Compile

$ make all

After compiled, it generates uboot.bin both in u-boot-1.3.4 direcotry. And it generates

some tools in u-boot-1.3.4/tools directory as well, e.g.: mkimage.


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Figure 5.2

6. Compile Linux kernel source package

6.1 Unzip the Linux Kernel Source Package

Move into the EM2416 directory to unzip the linux kernel source package:

$ cd EM2416

$ tar xjvf /media/cdrom/LINUX/kernel2416.tar.bz2

After unzipping, the kernel2416directory is the linux kernel source package.

6.2 Configuration Steps

Execute the following command:

$ cd /EM2416/kernel2416

$ make menuconfig

Note: if haven't installed ncurse, it mayappear make menuconfig error. Below is the

correct information in the terminal.


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(1) Select Load an Alternate Configuration File with Up and Down key, then press Enter

(2) Input SAM2416EDK, click OK


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Click "exit" to move back to the terminal input interface and save it.

6.3 Compile the zImage

Execute the following command:

$ cd /sam2440edk/kernel2416

Clean the generated files:

$ make clean

Compile zImage

$ make zImage

After compilation, it generates the Linux kernel compression file zImage both in

kernel2416/arch /arm/boot directory and in /tftpboot directory.


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7. Generate the Root File System Image

(yaffs)

7.1 File System directory

Currently EM2416 supports the file system yaffs, and it is placed in CD/LINUX/ROOT/

root_qtopia.tar.bz2

7.2 Generate the Image File yaffs

With the tool mkyaffs2image, it generates the root file system image from the file system

directory. The tool is placed in CD-ROM/TOOLS/. Copy it to /usr/local/bin directory by the

following command:

$ sudo cp /media/cdrom/TOOLS/mkyaffs2image /usr/local/bin

$ sudo chmod +x /usr/local/bin/mkyaffs2image

Unzip root_qtopia.tar.bz2 into the folder EM2416.

$ cd /EM2416


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$ sudo tar jxvf /media/cdrom/LINUX/root_qtopia.tar.bz2

$ sudo chown book:book root_qtopia R

It generates the file system yaffs by the command:

$ mkyaffs2image 0 root_qtopia root_EM2416.yaffs

Note: don't forget to type the argument 0. If not, it will appear the information as follows:

After that, please follow the steps in 3.3.3 to burn the file system image.

8. Device Drivers and Test

8.1 Ethernet Device Drivers Test(ping)

8.1.1 Test Steps

Run the ping host, enter the IP of the development board in the ubuntu terminal:

$ ping c 3 192.168.0.19

If the Ethernet cable is connected correctly, it will print the information:


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8.2 MMC Card Device Drivers Test

8.2.1 Configure the Kernel on MMC Card

1select Device Drivers and press Enter:

2Select MMC/SD card support, then press Enter


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3Select the following 4 options:MMC support, MMC debugging, Sansung S3C High

Speed MMC Interface support and Support Scatter and Gather in HS-MMC.


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8.2.2 Test Steps

Insert the MMC card into the SD card connectro , DNW console will display the detected

information:

mmcblk0: mmc0:cdde SD02G 1921024KiB

mmcblk0:mmc0: starting CMD18 arg 00000000 flags 00000035

p1

Press Enter in DNW to bring up the console, it will display:

[root@Industech /]#

To mount the SD card, please input the following command:

# mount t vfat /dev/mmcblk0p1 /sdcard

Then you can read and write on the MMC card, and view the contents in it by the file

browser in the QT file sytstem.

#ls /sdcard

Input the command to unmount the MMC card.

# umount /sdcard

8.3 USB Host Interface Device Drivers Test

8.3.1 Configure the Kernel on USB Host

1Select Device Drivers -> USB support in the terminal:


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2Select the following options: Support for Host-side USB, USB device filesystem and

OHCI HCD support.

3Select USB Mass Storage support with Up and Down key


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4After that, select the following options: USB Human Interface Device (full HID) support

and /dev/hiddev raw HID device support.


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5) Exit to Device Drivers, and then select SCIS device support

6select the following options:SCSI device support, legacy /proc/scsi/ support and SCSI

disk support.


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8.3.2 Insert USB Mouse/Keyboard

As have already configured on the USB mouse/keyboard in the kernel, insert USB mouse

or USB keyboard to the interface USB1-down, it will display the enumeration and driver

information on the console. Below is the information on insertion and removal of the USB

mouse.

8.3.3 Insert USB mass Storage Device

1) select Device Drivers -> File systems and press Enter


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2) select DOS/FAT/NT Filesystems

3) Select VFAT (Windows-95) fs support and select 936 character set.


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As we have already added the support for USB mouse/keyboard in the kernel, then insert

USB mass storage device( e.g. U disk) to USB interface, it will display the enumeration

and driver information on the console. The following figure shows the information when

inserted a 2G U disk.

Please press Enter, input the command to mount the U disk


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# mount -t vfat /dev/sda1 /usbdisk

List the contents of the U disk, we can view it by the file browser in QT.

# ls /usbdisk

Input the command to unmount the U disk.

$ umount /usbdisk

8.4 EM2416 Touch Screen Drivers Test

8.4.1 Configure the kernel on Touch Screen

1) Select Device Drivers -> Input device support and press Enter:


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2Select Touchscreen interface

3) press the Down key to select Touchscreens.


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4) Select Samsung S3C2410 touchscreen driver to make it support touch screen. As

follows:

8.4.2 Test Steps

Execute the touchscreen calibration file in QT, and click the "+" for the touch screen

calibration

9. Develop Application in the Host

This chapter will provide a simple example, to describe how to develop applications based

on EM2416:

9.1 Write Hello Code

Create a new directory hello on /EM2416/

$ cd /EM2416

$ mkdir hello

Please write the following code and save it as hello/hello.c


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#include

int main(void)

{

printf("Hello, EM2416.\n");

return 0;

}

9.2 Compile hello

Input the command to do cross-compilation

arm-linux-gcc o hello hello.c

It will generate an executable file hello in hello directory.

10. Download the Application to the

EM2416 Board

10.1 Copy by U Disk

Insert a U disk to the PC and execute the following command to copy the application hello

in the terminal. Then insert the U disk to the USB HOST of the development board. It will

display the information on the U disk in DNW. If don't recognize the U disk, please reinsert

it .

Input the command in DNW:

$ mount -t vfat /dev/sda1 /usbdisk

$ cd /usbdisk

./hello ( execute hello)


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Appendix A :Network Service

A.1 ifconfig

The "Ifconfig" command allows the operating system to setup network interfaces and

allows the user to view information about the configured network interfaces. Execute it

without any parameters in EM2416 , it will display the information about the network card

and the local loop( louploopback). Besides, user can configure the network settings:

#ifconfig eth0 192.168.0.19 netmask 255.255.255.0

Assign eth0 with the above values for IPand netmask . If not netmask parameter, its

netmask is 255.255.255.0 by default. The default network IP of EM2416 is 192.168.0.19,

which is defined in boot script /etc/eth0-setting. The file also defined the gateway and

DNS, user can modify them by your configuration.

The command will take the network card down causing it cannot send or receive any

information.

#ifconfig eth0 down

rout is the common tool for gateway configuration in Linux console. The command shows

the IP routing table:

#route

Set 192.168.0.1 as the default route:

#route add default gw 192.168.0.1

Delete the default route.

#route del default


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# echo nameserver 218.108.248.248 >>/etc/resolv.conf

The command above Add DNS service in the development board.

A.2 ping

The ping command helps determine if the network is able to communicate with another

network.

Input the command:

ping c 3 192.168.0.1

The command will send test packages three times continuous to verify if the network can

communicate normal. It will display the information If connected.

Configure DNS, user can PING the address of the network domain directly. As shown:

A.3 Remote Login telnet

telnet is a common remote login tool. For more function and usage, Please refer to the

network-related information.


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If EM2416 is connected to LAN and one computer provides the telnet service, you can

login this computer by telnet in EM2416. But first of all, you must have the user name and

password.

Supposing the IP of the computer with telnet service is 192.168.0.7, user can login the

computer by the command:

telnet 192.168.0.7

Input the user name and password to connect to the remote computer.

Login BBS by telent

If EM2416 can connect to the Internet, user can login BBS by the development board.

Configure the gateway with the command route.

route add default gw 192.168.0.1

A.4 Telnet Server inetdStart inetd service

/etc/rc.d/init.d/netd start

The development board can be as a telnet server when it has configured an IP address.

The default IP of the board is 192.168.0.19. Input the command in the terminal of the host:

telnet 192.168.0.19

The user name is root,press Enter to login EM2416.


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A.5 Remote file transfer ftp

The ftp application method is the same as the standard Linux. Assuming the ftp server IP

is 192.168.0.19, user can create a new site by the software FFFTP:

The development board IP: 192.168.0.19, FTP user name:plg, password: plg

If connect successfully, user can send the file to the development by the software FFFTP.

A.6 Hypertext Transfer Protocol http

Input the command in the development board to start http.

#/etc/rc.d/init.d/httpd start

User can browse the pages in EM2416 by the IE or other browser. The default IP of the

board is 192.168.0.19. Input the address in the address bar of the browser:

http://192.168.0.19

It will pop up a page if the browser has connected to EM2416.

Input the command in the shell to stop web sever:

#/etc/rc.d/init.d/httpd stop

Restart the page:

#/etc/rc.d/init.d/httpd start

Appendix B: Development in QT

boardcon provides the QTOPIA resource in the

CD-ROM/LINUX/ROOT/qtopia-free-src-2.2.0 .tar.bz2.

1. Set environment variables: we have installed g++ in the chapter 3.

2. Install X11 library files and development kit

Execute the command to install X11 development kit:

$ sudo apt-get install x-dev libx11-dev x11proto-xext-dev libxext-dev

libqt3-mt-dev


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$ sudo mkdir -p /usr/X11R6/include

Copy the X11directory

$ sudo cp -rf /usr/include/X11 /usr/X11R6/include

3. Compile and install the library that Qtopia depends on

1) Compile and install the library jpeg

The source code is /TOOLS/linux/jpegsrc.v6b.tar.gz, unzip it and it generates a

jpeg-6b directory.

Configure it by the command:

$ ./configure --enable-shared --enable-static \

--prefix=/usr/local/arm/4.2.2-eabi/usr/arm-linux \

--build=i386 --host=arm

Modify the generated Makefile, as follows:

CC= gcc toCC= arm-linux-gcc

AR= ar rc toAR= arm-linux-ar rc

AR2= ranlib to AR2= arm-linux-ranlib

Execute the command for compilation and installation:

$ make

$ sudo make install-lib

It will generate some head file in /usr/local/arm/4.2.2-eabi/usr/arm-linux/include

directory, also some jpeg library file in lib directory.

2) Compile and install uuid library

The source code is e2fsprogs-1.40.2.tar.gz in /TOOLS/linux. Unzip and compile it refer

to the INSTALL file. For the cross compilation, please specify the cross compiler tool


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chain and the target board when execute "./configure ". Execute the following

command:

$ tar xzf e2fsprogs-1.40.2.tar.gz

$ cd e2fsprogs-1.40.2/

$ mkdir build; cd build

$ ../configure --with-cc=arm-linux-gcc --with-linker=arm-linux-ld --enable-elf-shlibs

--host=arm -prefix=/usr/local/arm/4.2.2-eabi/usr/arm-linux

$ make

$ sudo make install-libs

The last command install some head file and libraries in include and lib directory , such as

uuid/uuid.hlibuuid.alibuuid.so and so on.

3) Compile and install zlib library

Its source code is zlib-1.2.3.tar.gz in /TOOLS/linux. Unzip and configure it:

./configure --shared --prefix=/usr/local/arm/4.2.2-eabi/usr/arm-linux

Then modify the generated Makefile. Below are the results added the prefix arm-linux-

CC=arm-linux-gcc

LDSHARED=arm-linux-gcc -shared -Wl,-soname,libz.so.1

CPP=arm-linux-gcc -E

AR=arm-linux-ar rc

RANLIB=arm-linux-ranlib

Finally compile and install the library.

$ make

$ sudo make install


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4) Compile and install png library

Its source code is libpng-1.2.23.tar.bz2 in /TOOLS/linux/. Unzip it and copy makefilein

its directory. As follows:

$ cp scripts/makefile.linux ./Makefile

Then modify the generated Makefile. Below are the results added the prefix arm-linux-

AR_RC=arm-linux-ar rc

CC=arm-linux-gcc

RANLIB=arm-linux-ranlib

prefix=/usr/local/arm/4.2.2-eabi/usr/arm-linux


$ make

$ sudo make install

5) Compile and install touch screen ts library.

The source code is tslib-1.3.tar.bz2 in /TOOLS/linux. Unzip it and enter its directory,

execute the following command:

$ ./autogen.sh

$ echo "ac_cv_func_malloc_0_nonnull=yes" >arm-linux.cache

$ ./configure --host=arm-linux --cache-file=arm-linux.cache --enable-inputapi=no

--prefix=/usr/local/arm/4.2.2-eabi/usr/arm-linux

Modify the following code before Make:

char *defaulttseventtype="UCB1x00";

to

char *defaulttseventtype="H3600";


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In order to avoid the error libtool:link: only absolute run-paths are allowed, please

add the absolute path for rpathin plugins/Makefile, as follows:

#LDFLAGS :=$(LDFLAGS) -rpath $(PLUGIN_DIR)

LDFLAGS :=$(LDFLAGS) -rpath `cd $(PLUGIN_DIR) && pwd`


$ make

$ sudo make install

4. Modify and compile QT with patch

$cd /EM2416

$tar xjvf /media/cdrom/LINUX/ROOT/qtopia-free-src-2.2.0.tar.bz2

$ cd qtopia-free-2.2.0

Input the command

$ patch p1 < qtopia-EM2416.patch

$ echo'yes'|./configure -qte '-embedded -xplatform linux-arm-g++ -qconfig qpe

-depths 16,24 -no-qvfb -system-jpeg -system-libpng -system-zlib -tslib gif

-thread -lts' -qpe ' -xplatform linux-arm-g++ -edition pda -displaysize

320x240 ' -qt2 ' -no-xft' -dqt '-no-xft'

After the configuration, it will display some instructions, as shown:


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Execute "make" for compilation, it will generate the executable file and the library file in

the following directories.

Qtopia/bin

Qtopia/lib

Qtopia/plugins

Execute "make install " for installation. The command wil copy all the necessary

directories and files to the qtopia/image/opt/Qtopia directory.

$ make

$ make install

5. Install and start QT in the development board

The root file system of the board is stored in CD-ROM/LINUX/ROOT/root_qtopia.tar.bz2.

And the QT source code is in /LINUX/ROOT/qtopia-free-src-2.2.0.tar.bz2. Unzip them and

input the command:

$ cd /EM2416

$ tar xjvf /media/cdrom/LINUX/ROOT/root_qtopia.tar.bz2

$ sudo chown book:book root_qtopia -R


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root_qtopia is the file system, which can be changed to yaffs format and burned into the

development board. If user download the compiled QT system into the root_qtopia, please

do the following step to support the new Qtopia in root_qtopia directory:

1 copy the recompiled qtopia/image/opt/ to the root directory.

$ cd /EM2416/qtopia-free-2.2.0

$ cp rf qtopia/image/opt /EM2416/root_qtopia

2 modify the file property of the root_qtopia

$ cd /EM2416/root_qtopia

$ chmod +x etc/init.d/rcS

$ cd dev

$ sudo mknod console c 5 1

$ sudo mknod null c 1 3

After generates the new root file system, please update the file system referring to the

chapter 8.

EM2416 Linux User Manual

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Transcript of EM2416 Linux User Manual