RZ/G2L Getting Started
This page describes how to bring up your RZ/G2L evaluation board and how to run the sample application on the board.
Step1 Getting the Evaluation Board Kit
RZ/G2L Evaluation Board Kit (EVK) is the most suitable board kit for RZ/G2L evaluation.RZ/G2L EVK consists of Module Board and Common carrier board.
The module board conforms to the SMARC v2.1 standard.
RZ/G2L Getting the Evaluation Board Kit
Included items
- RZ/G2L Module Board (SMARC2.1)
- Common Carrier Board
- USB cable (USB Type-A- Micro USB Type-B)
* The following items need to be purchased separately by customers.
- USB type C charger 65W
- Support USB PD, QC
- Output specification: 5V3A,9V3A,15V3A,20V3.25A
- USB type C to type C cable
- USB-C & USB-C 3.1 Gen2 USB-PD support 100W
- micro SD UHI-Class10 (8GB or more)
If you would like to display the USB camera capture images on the HDMI Display in Step2-4, please prepare the following items additionally.
- USB camera (support UVC)
- HDMI Display
- micro-HDMI to HDMI cable
* If you would like to operate the Qt demo in Step7, please prepare the following item additionally.
- USB mouse
- HDMI Display
- micro-HDMI to HDMI cable
Step2: Let’s try to run the “pre built image”
After getting the RZ/G2L EVK, download the Pre-Built Image and try running it.
Please download the file (RZG2L_VLP3.0.3_Pre-built_Images_EN.zip) from the link below and decompress the file on your PC.
RZ/G2L Pre-built Images (RZG2L_VLP3.0.3_Pre-built_Images_EN.zip) (ZIP | English, 日本語)
Step2-1: Preparing the microSD card
Write the rzg2l_v303_sd_card.img included in Images_RZG2L_v3.0.3 to your microSD card.
＜Case1: Using Windows PC＞
- Copy the Images_RZG2L_v3.0.3.zip to Windows PC and unzip it.
- Write the microSD card image (rzg2l_v3.0.3_sd_card.img) to the SD card which has a 2GB or more capacity by using any tool like as below:
Win32 Disk Imager (Win32 Disk Imager download | SourceForge.net)
or
balenaEtcher (balenaEtcher - Flash OS images to SD cards & USB drives).
※If following message is shown when insert the microSD card to the Window PC or after write the image to the microSD card, please select “Cancel”.
＜Case2: Using Linux Host PC＞
※If you would like to program the image to your microSD card by Linux Host PC, see following steps.
Prepare the microSD card by entering the following commands on your Linux PC.
- Unzip the Images_RZG2L_v3.0.3.zip file to get the rzg2l_v3.0.3_sd_card.img.
- Check the microSD Card Device Name: enter the lsblk command before and after inserting your microSD card.
※Be careful not to use other device names. (sdb is used in this document)
<before inserting microSD card>.
| $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 30.9G 0 disk ├─sda1 8:1 0 512M 0 part /boot/efi ├─sda2 8:2 0 1K 0 part └─sda5 8:5 0 30.3G 0 part / sr0 11:0 1 1024M 0 rom |
<after inserting microSD card>
| $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 30.9G 0 disk ├─sda1 8:1 0 512M 0 part /boot/efi ├─sda2 8:2 0 1K 0 part └─sda5 8:5 0 30.3G 0 part / sdb 8:16 1 29.7G 0 disk └─sdb1 8:17 1 29.7G 0 part sr0 11:0 1 1024M 0 rom |
- Using the Device name found above, write the image file into the microSD card by dd command.
| $ sudo dd if=<PATH>/rzg2l_v3.0.3_sd_card.img of=/dev/sdb status=progress $ sync |
After that, remove and insert the microSD card again to confirm that the image file has been written to the microSD card normally.
Step2-2: Writing Bootloader and U-boot
Write bl2_bp-smarc-rzg2l_pmic.srec and fip-smarc-rzg2l_pmic.srec to the EVK board using Flash_Writer_SCIF_RZG2L_SMARC_PMIC_DDR4_2GB_1PCS.mot included in the Images_RZG2L_v3.0.3 folder.
＜Main specification of the EVK＞
The used components of the RZ/G2L EVK in this step are as follows.
＜2-2-1 : Preparation of Hardware＞
- Connect CN14 and your PC by USB Type-microAB cable, connect USB-PD Power Charger and CN6 by USB Type-C cable.Then, you can see LED1(VBUS Power ON) and LED3 (Module PWR On) light up.
- Set the board to SCIF Download mode to write to the serial flash memory on the EVK board. Please set the SW11 and the SW1 as below.
-
Press the power button(SW9) to turn on the power. Then LED4(Carrier PWR On) lights up additionally.
※When turn off the power, press and hold the power button for 2 seconds. Then, check that LED4 is turned off.
- Bring up the terminal software on your PC. Please get the Tera Term (latest version) from the link below. Available at : Tera Term Open Source Project (osdn.jp)
- Select “Serial” as shown in the following picture. “Port:” is “COM[number]:USB Serial Port (COM[number])”.
- Select “Setup” > “Serial port” to set the settings about serial communication protocol on the software. Set each setting as below:
- Baud rate : 115200
- Date : 8 bit
- Parity : none
- Stop : 1 bit
- Flow control : none
- After serial port setting, press the reset button SW10 (blue-colored).Check the message below is displayed on the console.
＜2-2-3 : Booting Flash Writer＞
- Send an image of Flash Writer using terminal software after the message “please send !” is shown. Select the “File” > “Send file” menu.
-
Select Flash_Writer_SCIF_RZG2L_SMARC_PMIC_DDR4_2GB_1PCS.mot , and then click ”Open” button. The image will be sent to the board via serial connection. After successfully downloading the binary, Flash Writer starts automatically and shows a message like below on the terminal.
(a) During download
(b) After successfully downloading
| Flash writer for RZ/G2L Series V1.06 Aug.10,2022 Product Code : RZ/G2L > |
- Next, two boot loader files need to be written to the target board.
Enter the following bolded commands.
Send "bl2_bp-smarc-rzg2l_pmic.srec" by the terminal software as same manner in 2-2-3 after the message "please send !" is shown.
|
>XLS2 ===== Please Input Qspi Save Address === |
If you get the following message, press “y”.
| SPI Data Clear(H'FF) Check : H'00000000-0000FFFF,Clear OK?(y/n) |
After successfully write the binary, the message like below is shown on the console.（ The address may be different depending on the version of the boot loader used. ）
| SPI Data Clear(H'FF) Check :H'00000000-0000FFFF Erasing..Erase Completed SAVE SPI-FLASH....... ======= Qspi Save Information ================= SpiFlashMemory Stat Address : H'00000000 SpiFlashMemory End Address : H'0000CB28 =========================================================== |
- Next, write another loader file by using bolded commands again.
Send fip-smarc-rzg2l_pmic.srec by the terminal software as same manner in 2-2-4 2. after the message "please send !" is shown.
|
>XLS2 ===== Please Input Qspi Save Address === |
If you get the following message, press “y”.
| SPI Data Clear(H'FF) Check : H'00000000-0000FFFF,Clear OK?(y/n) |
After successfully write the binary, the message like below is shown on the console.
( The address may be different depending on the version of the boot loader used. )
| SPI Data Clear(H'FF) Check :H'00000000-0000FFFF Erasing..Erase Completed SAVE SPI-FLASH....... ======= Qspi Save Information ================= SpiFlashMemory Stat Address : H'00000000 SpiFlashMemory End Address : H'0000CB28 =========================================================== |
- After writing two loader files normally, turn off the power of the board by pressing SW9.
Step2-3: Startup Linux
- Set the board to SPI Boot mode to start the Bootloader.
Please change the SW11 as below (SW11-2 ON→OFF).
Insert your microSD card to the slot (CN10) on the carry board.
- Turn on the power of the board by pressing the power button SW9.
The settings of Terminal in this process are the same as in 2-2-2.
Press the reset button SW10 and after "Hit any key to stop autoboot: "appears, press the enter key on the PC within 3 seconds.
| U-Boot 2021.10 (Mar 31 2022 - 03:57:20 +0000) CPU: Renesas Electronics K rev 14.15 Model: smarc-rzg2l DRAM: 1.9 GiB MMC: sd@11c00000: 0, sd@11c10000: 1 Loading Environment from MMC... OK In: serial@1004b800 Out: serial@1004b800 Err: serial@1004b800 Net: eth0: ethernet@11c20000 Hit any key to stop autoboot: 0 => |
To set the environment variables, enter the bolded commands bellow.
| => env default -a ## Resetting to default environment => setenv bootargs 'root=/dev/mmcblk1p2 rootwait' => setenv bootcmd 'mmc dev 1;fatload mmc 1:1 0x48080000 Image-smarc-rzg2l.bin; fatload mmc 1:1 0x48000000 Image-r9a07g044l2-smarc.dtb; booti 0x48080000 - 0x48000000' => saveenv Saving Environment to MMC... Writing to MMC(0)….OK |
Please turn off and on the power pressing SW9 again to boot up the board.
When “smarc-rzg2l login:” is displayed, enter “root” to login.(No password required)
| : : Version: 3.0.3 smarc-rzg2l login: root Last login: Sun Sep 20 10:44:03 UTC 2020 root@smarc-rzg2l:~# |
Step2-4: Startup EVK
Let‘s actually start EVK. By this procedure, display the Capture image of the USB Camera on the HDMI Display.
- Connect the USB Camera, EVK, HDMI Display, and your PC as below.
- After EVK booting up, by the following command, the USB Camera Capture image which size of 1920×1080 will be displayed on the HDMI display.
The size can be changed with the options "width" and "height".
| # gst-launch-1.0 v4l2src ! video/x-raw,format=YUY2,width=1920,height=1080 ! waylandsink |
Also, you can confirm the image size supported by your USB camera by using the following command.
| # v4l2-ctl --list-formats-ext |
- In case you finish displaying the Capture image, push ”Ctrl” key and "c" on the Tera term. The console changes to the command input screen.
- To power down the system, enter the command as below.
| # shutdown –h now |
Then, press the SW9 to turn off the power.
Step3: Linux environment requirement
STEP2 describes how to startup the RZ/G2L by using Pre-built image files.If you would like to build the Linux environment by yourself for Linux customization and application development, follow the STEP3 onwards.
Step3-1: Setting environment
The following equipments are used to build a Linux environment.
| Equipment | Description |
|---|---|
| Linux Host PC | OS : Ubuntu 20.04 LTS |
| Windows PC | OS : Windows 10 |
| Used for controlling serial console of the target board Tera Term (latest version) is recommended. Available at：Tera Term Open Source Project (osdn.jp) |
|
| Please install the VCP Driver corresponding to the target board. Available at：VCP Drivers - FTDI (ftdichip.com) |
|
| USB serial to micro–USB Cable | The type of USB serial connector on the Evaluation Board Kit is Micro USB type B. |
| Micro SD Card | Use the microSD card of 8GB or more. |
Step3-2: Build Instruction
This section describes the instructions to build the Linux environment.
Before starting the build, enter the command below on the Linux Host PC to install packages used for building.
※\：Indicates a single command without line breaks.
| $ sudo apt-get update $ sudo apt-get install gawk wget git-core diffstat unzip texinfo gcc-multilib \ build-essential chrpath socat cpio python python3 python3-pip python3-pexpect \ xz-utils debianutils iputils-ping libsdl1.2-dev xterm p7zip-full libyaml-dev \ libssl-dev |
Enter the commands below and set the user name and email address before starting the build procedure.
※Without this setting, an error may occur when building procedure runs git command to apply patches.
| $ git config --global user.email "[email protected]" $ git config --global user.name "Your Name" |
Please download the necessary packages to build the environment from the following links.
- RZ/G Verified Linux Package v3.0.3
- RZ MPU Graphics Library Evaluation Version for RZ/G2L
- RZ MPU Video Codec Library Evaluation Version for RZ/G2L
Copy all files to any directory in Linux Host PC.
The directory which you put the files in is described as <package download directory> in next instructions.
Also, for more information on the Verified Linux Package (VLP), please refer to the following link.
RZ/G Verified Linux Package [5.10-CIPversion] | Renesas
(1) Decompress Yocto recipe package
Create a working directory at your home directory and decompress Yocto recipe package.Enter the commands below. The name and location of the working directory can be changed arbitrarily.
※Please note that your build environment must have 100GB of free hard drive space in order to complete the minimum build. If you are using a Virtual Machine, please check how much disk space you have allocated for your virtual environment.
| $ mkdir ~/rzg_vlp_3.0.3 $ cd ~/rzg_vlp_3.0.3 $ cp ../<package download directory>/*.zip . $ unzip ./RTK0EF0045Z0021AZJ-v3.0.3.zip $ tar zxvf ./RTK0EF0045Z0021AZJ-v3.0.3/rzg_bsp_v3.0.3.tar.gz |
(2) Enable Graphics and Video Codec features
To enable the Graphics on RZ/G2L and enter the commands below.
| $ unzip ./RTK0EF0045Z13001ZJ-v1.0.5_EN.zip $ tar zxvf ./RTK0EF0045Z13001ZJ-v1.0.5_EN/meta-rz-features_graphics_v1.0.5.tar.gz |
To enable the Video Codec on RZ/G2L and enter the commands below.
| $ unzip ./RTK0EF0045Z15001ZJ-v1.1.0_EN.zip $ tar zxvf ./RTK0EF0045Z15001ZJ-v1.1.0_EN/meta-rz-features_codec_v1.1.0.tar.gz |
(3) Build Initialize
Initialize a build using the 'oe-init-build-env' script in Poky and point TEMPLATECONF to platform conf path.
| $ TEMPLATECONF=$PWD/meta-renesas/meta-rzg2l/docs/template/conf/ source \ poky/oe-init-build-env build |
(4) Add layers
Please follow the below steps to add the layers. The steps add the settings to bblayers.conf.
- Graphics：Please enter the below command to enable the Graphics library.
| $ bitbake-layers add-layer ../meta-rz-features/meta-rz-graphics |
- Video Codec：Please enter the below command to enable the Video codec library.
| $ bitbake-layers add-layer ../meta-rz-features/meta-rz-codecs |
- Qt : Please enter the below commands to include Qt.
| $ bitbake-layers add-layer ../meta-qt5 $ bitbake-layers add-layer ../meta-rz-features/meta-rz-graphics $ bitbake-layers add-layer ../meta-rz-features/meta-rz-codecs |
Then, edit file build/conf/local.conf to install the Qt demo.
Please remove the comment marker #QT_DEMO = "1" as below.
| # Adding qt demonstration to core-image-qt or not QT_DEMO = "1" |
(5) Setting “offline” environment (Optional)
All source codes will be downloaded from the repositories of each OSS via the network when running bitbake command in the online environment. The build may fail if the OSS repository has been changed unintentionally. In that case, please use the “offline” environment.
This step is not mandatory and able to go to the step (6) in case the “offline” environment is not required.
Please download the OSS packages to build “offline” environment from the following links.
Enter the following commands in the “build” directory and decompress the OSS package.
| $ cp ../../<package download directory>/*.7z . $ 7z x oss_pkg_rzg_v3.0.3.7z |
If you want to prevent network access, please change the line in the “~/rzg_vlp_v3.0.3/build/conf/local.conf” as below:
| BB_NO_NETWORK = "1" |
( To change BB_NO_NETWORK from "0" to "1" )
(6) Start a build
Chalcone the target file system image using bitbake. Enter the commands below to start a build. Building an image can take up to a few hours depending on the user’s host system performance.
| $ MACHINE=smarc-rzg2l bitbake core-image-qt |
Please refer to RZ/G Verified Linux Package V3.0.3 Release Note about the supported build options ( Core-image-<target> ).
After the build is successfully completed, a similar output will be seen.
| NOTE: Tasks Summary: Attempted 7427 tasks of which 16 didn't need to be rerun and all succeeded. |
Check the following files are generated in build/tmp/deploy/images.
| RZ/G2L |
Linux karnel |
Image-smarc-rzg2l.bin |
|
Device tree file |
Image-r9a07g044l2-smarc.dtb | |
|
root filesystem |
core-image-qt-smarc-rzg2l.tar.bz2 |
|
|
Boot loader |
・bl2_bp-smarc-rzg2l_pmic.srec ・fip-smarc-rzg2l_pmic.srec |
|
|
Flash Writer |
Flash_Writer_SCIF_RZG2L_SMARC_PMIC_DDR4_2GB_1PCS.mot |
STEP4 Create the microSD card -On Linux Host PC-
If you do not use the Pre-Built Image, set the partition of the microSD card in this section
Step4-1: Prepare the microSD card
Please format the microSD card according to the following steps before using the card.
Check the device name which is associated to the microSD card.
Enter the “lsblk” command before and after inserting the microSD card.
※Be careful not to use the other device names in the following steps. (sdb is used in this document)
＜before inserting the microSD card＞
| $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 30.9G 0 disk ├─sda1 8:1 0 512M 0 part /boot/efi ├─sda2 8:2 0 1K 0 part └─sda5 8:5 0 30.3G 0 part / sr0 11:0 1 1024M 0 rom |
＜after inserting the microSD card＞
| $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 30.9G 0 disk ├─sda1 8:1 0 512M 0 part /boot/efi ├─sda2 8:2 0 1K 0 part └─sda5 8:5 0 30.3G 0 part / sdb 8:16 1 29.7G 0 disk └─sdb1 8:17 1 29.7G 0 part sr0 11:0 1 1024M 0 rom |
Step4-2: Unmount the microSD card partitions
Unmount automatically mounted microSD card partitions.
Enter the bolded commands as below.
※*If more than one partition has already been created on microSD card, unmount all partitions.
*/<username>/395E-80B3 depend on your environment.
| $ df Filesystem 1K-blocks Used Available Use% Mounted on udev 745652 0 745652 0% /dev : snip : /dev/sdb1 511720 4904 506816 1% /media/<username>/395E-80B3 $ sudo umount /media/<username>/395E-80B3 |
Step4-3: Change the partition table
microSD card needs two partitions as listed below to startup Linux on the EVK board.
|
Type/Number |
size |
Filesystem |
Contents |
|---|---|---|---|
|
Primary #1 |
500MB (minimum128MB) |
FAT32 |
Linux kernel |
|
Primary #2 |
All remaining |
Ext4 |
Root filesystem |
Set the partition table using the “fdisk” command like this.
|
$ sudo fdisk /dev/sdb Command (m for help): o Created a new DOS disklabel with disk identifier 0x6b6aac6e. Command (m for help): n Select (default p): p Created a new partition 1 of type 'Linux' and of size 500 MiB. Do you want to remove the signature? [Y]es/[N]o: Y The signature will be removed by a write command. Command (m for help): n Select (default p): p Created a new partition 2 of type 'Linux' and of size 29.2 GiB. Command (m for help): p Device Boot Start End Sectors Size Id Type Filesystem/RAID signature on partition 1 will be wiped. Command (m for help): t Changed type of partition 'Linux' to 'W95 FAT32’. Command (m for help): w |
Then, check the partition table you created with the bolded commands below.
|
$ partprobe Device Boot Start End Sectors Size Id Type |
Step4-4: Format and mount the partitions
Format the partitions using the commands below:
|
$ sudo mkfs.vfat -v -c -F 32 /dev/sdb1 $ sudo mkfs.ext4 -L rootfs /dev/sdb2 Allocating group tables: done |
Step4-5: Remount the microSD card
After format, remove the card reader and connect it again to mount the partitions.
Step4-6: Write files to the microSD card
Check the mount point name with “df” command.
※・/<username>/58FC-A480 depend on your environment.
| $ df Filesystem 1K-blocks Used Available Use% Mounted on udev 745652 0 745652 0% /dev : snip : /dev/sdb1 510984 16 510968 1% /media/<username>/58FC-A480 /dev/sdb2 30041556 45080 28447396 1% /media/<username>/rootfs |
Copy the file which made in STEP3-2 to the microSD card.
Copy Linux kernel ( Image-smarc-rzg2l.bin ) and Device tree file ( Image-r9a07g044l2-smarc.dtb ) to the first partition.
| $ cp $WORK/build/tmp/deploy/images/smarc-rzg2l/Image-smarc-rzg2l.bin /media/<username>/58FC-A480 $ cp $WORK/build/tmp/deploy/images/smarc-rzg2l/Image-r9a07g044l2-smarc.dtb /media/<username>/58FC-A480 |
Expand root filesystem to the second partition.
| $ cd /media/<username>/rootfs $ sudo tar jxvf $WORK/build/tmp/deploy/images/smarc-rzg2l/core-image-qt-smarc-rzg2l.tar.bz2 $ sync |
Step5 Writing Bootloader, U-boot
※If STEP2 has been done, STEP5 and STEP6 are NOT required.
Write bl2_bp-smarc-rzg2l_pmic.srec and fip-smarc-rzg2l_pmic.srec to the EVK board using Flash_Writer_SCIF_RZG2L_SMARC_PMIC_DDR4_2GB_1PCS.mot.
1. Copy the following three files made in STEP3-2 on the Windows PC.
- bl2_bp-smarc-rzg2l_pmic.srec
- fip-smarc-rzg2l_pmic.srec
- Flash_Writer_SCIF_RZG2L_SMARC_PMIC_DDR4_2GB_1PCS.mot
2. Follow the below section for the further step :
"Step2-2 Writing Bootloader and U-Boot 2-2-1 : preparation of hardware" ～ 2-2-4 : Writing Bootloader
Step6 Startup Linux
Executing the setting environment variable is refer to “Step2-3 Startup Linux” .
STEP7 Let’s try to run the Qt demo
After turning on the EVK board , the Qt demo will be run which have preinstalled.
Connect Display(CN13) and computer mouse(CN12) to the EVK board as following.
The icons will be displayed on the display and the Qt demo can be run.
(a) How to connect.
(b) Example of display during the Qt demo execution.
Step8 Building the cross-compile environment
Build the cross-compile environment to build any application.
To build Software Development Kit (SDK), enter the commands below after the STEP3-2 is finished.
The SDK allows you to build custom applications outside of the Yocto environment, even on a completely different PC.
Step8-1 Build the SDK installer
Build the installer to install the SDK with the following commands.
| $ cd ~/rzg_vlp_v3.0.3/build $ MACHINE=smarc-rzg2l bitbake core-image-qt -c populate_sdk |
After finishing to build, the SDK installer will be located in build/tmp/deploy/sdk/.
Step8-2 Install the SDK
To run the installer, you would execute the following command:
| $ cd $WORK/build/temp/deploy/sdk/ $ sudo sh poky-glibc-x86_64-core-image-qt-aarch64-smarc-rzg2l-toolchain-3.1.21.sh |
After launching the SDK installer, set the target directory.
Enter the red-colored commands here.
| Poky (Yocto Project Reference Distro) SDK installer version 3.1.21 ================================================================== Enter target directory for SDK (default: /opt/poky/3.1.21): (Push the enter key) You are about to install the SDK to "/opt/poky/3.1.21". Proceed [y/N]? y Extracting SDK....................................................................... ..........................................................done Setting it up...done SDK has been successfully set up and is ready to be used. Each time you wish to use the SDK in a new shell session, you need to source the environment setup script e.g. $ . /opt/poky/3.1.21/environment-setup-aarch64-poky-linux $ . /opt/poky/3.1.21/environment-setup-armv7vet2hf-neon-vfpv4-pokymllib32-linux-gnueabi |
Step8-3 Set up the cross-compile environment
Please enter the below commands to enable the cross-compile environment.
User needs to enter the above command for each login session.
| $ source /opt/poky/3.1.21/environment-setup-aarch64-poky-linux |
Step9 Let’s try to make the sample application
Describe the procedure to build the Linux application that runs on RZ/G2L in this section.
In the following step, you make the sample project "Hello World" .
You must build a core image for the target (STEP3-2 (6)) and prepare SDK before making an application (STEP8).
1. Make a work directory for the application on the Linux host PC. The directory name can be changed if necessary.
| $ mkdir ~/helloworld $ cd ~/helloworld |
2. Make the following three files in the directory which was made above step :
- Application file (hello.c)
- Makefile (Makefile.am)
- configurefile (configure.ac)
Here, the application is made by automake and autoconf.
Please make all three files by using the command like "vi" and copying the below sentences on the terminal.
- hello.c
| $ vi hello.c |
| #include <stdio.h> main() { printf("Hello, world!\n"); } |
- Makefile.am
| $ vi Makefile.am |
| bin_PROGRAMS = hello hello_SOURCES = hello.c |
- configure.ac
| $ vi configure.ac |
| AC_INIT(hello.c) AM_INIT_AUTOMAKE(hello,0.1) AC_PROG_CC AC_PROG_INSTALL AC_OUTPUT(Makefile) |
3. Enter the following commands to compile the application.
| $ aclocal $ autoconf $ touch NEWS README AUTHORS ChangeLog $ automake -a $ ./configure $CONFIGURE_FLAGS |
4. Make the application by the generated makefile. Enter the following command.
| $ make |
Check the application executable file ( sample file name is "hello" ) is generated in the "helloworld" directory.
5. Store the executable file of “Hello World” application to the microSD card.
Enter the commands below.
The application executable file should be stored in the second partition (rootfs).
| $ cd /media/<username>/rootfs/usr/bin $ sudo cp ~/helloworld/hello . $ sudo chmod +x hello |
6. Let’s try to run the "Hello world" sample application.
Insert your microSD card to the EVK board, after that turn on the power of RZ/G2L.
Enter the following command to run the "Hello World" sample application.
| root@rzg2l:~# hello Hello, world! |
You can confirm the application is running by “Hello, world !” is shown as above.