Renesas Y-ASK-RH850U2B

1 Note

This documentation primarily references RH850/U2B6 Starter Kit for illustrations and examples. While the majority of concepts and procedures are applicable to RH850/U2B10 Starter Kit by analogy, certain components, connectors, or features shown in the images may be specific to RH850/U2B6 Starter Kit and not available on RH850/U2B10 Starter Kit. For accurate hardware details and feature availability, please consult the Starter Kit Hardware User Manual.

2 Tools

Prerequisites and tools used by this guide:

• Windows™ 10/11 Machine
• Starter Kit with PowerSupply and E2 Emulator
• Starter Kit Sample Software
• Starter Kit Configurator GUI
• IDE
  • GHS Multi: Please refer to the "RH850 Starter Kit License Information" printout.
  • Renesas CS+ for CC IDE
• Renesas Flash Programmer (RFP)
• Microsoft™ Visual Studio Code
• TeraTerm
• GnuWin32 Make-3.81 and GnuWin32 CoreUtils-5.3.0 (sourceforge)

You can install and use either Green Hills MULTI or Renesas CS+ for CC IDE tools. If you already have a Kickstart-, evaluation- or fully-licensed-version of one of these tools, you do not need to re-install them.

Note

• Installation of the tool packages may require administrative rights.
• When unpacking the Sample Software, do not use blank space or country specific characters to avoid problems.

License

• For GHS Multi the "RH850 Starter Kit License Information" printout about licensing request procedures.
• For CS+ Renesas provides an Evaluation Edition license that functions like the Professional Edition for 60 days, starting from the first build after installation.
• For more information please see CS+ at Compiler Licenses

3 Power Connection

The Starter Kit uses an external power supply of 12V 1A and generates all required voltages using the Renesas RAA271084 PMIC and Renesas ISL85410 synchronous buck regulator. After connecting the external power supply, the following LEDs can be observed: -

The pre-programmed Sample Software will start and light up the RGB Encoder as well as the ring LEDs and user LEDs. The display will show the RH850 welcome screen. Press and use the Encoder Button to navigate through the menu. Refer to Appendix C for more details on the display menu.

4 Terminal Connection

After completion of the power supply connection, please connect the USB/UART port to a free USB port of the PC.
The Windows™ operating system installs necessary drivers automatically.

Two new USB Serial Ports become available in the Device Manager:

• The first port, here COM88, corresponds to the RH850/U2B UART.
• The second port, here COM89, corresponds to the RL-Device which acts as the Configurator.
• You can also use the Configurator GUI (see below) main tab to verify the COM ports.

Note: You might need to install FTDI Driver if the system does not recognize the USB/UART port.

Open your preferred terminal program. This guide uses TeraTerm as example.

From the default terminal settings, for TeraTerm configure:

• Setup->Serial port…
  • Port: Your RH850/U2B COM Port
  • Speed: 115200
• Setup->Terminal…
  • New-Line Receive: AUTO

When you now reset your Starter Kit via the SW1 Reset switch. The build message appears, followed by a prompt. Type "help" and press Return to see available commands. Refer to Appendix D for further information on shell commands.

5 Starter Kit Configuration

The Starter Kit comes with the standard configuration of all peripherals enabled and CAN loopback mode active.

Note: Changing these settings might cause the Starter Kit to not function as expected with the pre-loaded sample software.

Definitely, the Configurator GUI can be used to change the configuration of the Starter Kit for user application requirement. In order to load a configuration file, Refer to Appendix E.

For more information about the Configurator GUI, please refer to the Y-ASK-RH850U2B User's Manual.

6 Debug Connection

• Connect the Renesas E2 Emulator via USB to your PC.
• Set SW1 of the E2 Emulator to position 1 Other and connect it to DEBUG PORT on the Starter Kit.

If you connect the E2 Emulator the first time, the ‘Found New Hardware’ wizard will appear. Please follow the steps below to install the drivers. Please note that the installation requires administrator privileges. “Device driver software installed successfully” pop-up will appear in the Windows™ toolbar.

Note: If the driver does not install successfully, you can find it here: E2 emulator [RTE0T00020KCE00000R] | Renesas.

7 Flashing with RFP

The Sample Software comes with an RFP Project and prebuilt binaries. To flash the original Sample Software, with the E2 Emulator connected to the powered Starter Kit, open the RFP project (.rpj file) by double-clicking at the project file as shown in below path:-

"RFP_Project/U2B6/Y-ASK-RH850U2B6_RFP_GHS.rpj" and click on "Start".

OR

"RFP_Project/U2B6/Y-ASK-RH850U2B6_RFP_CSP.rpj" and click on "Start".

8 Using Green Hills MULTI IDE

Green Hills MULTI integrates tools such as compiler, assembler, debugger, and editor into a common graphical user interface. To learn more on how to use MULTI, open the user manual via the help menu of the Green Hills MULTI IDE.
If you run this IDE for the first time, MULTI will not find a valid license. Please refer to the "RH850 Starter Kit License Information" document for the procedure.
Upon reception of the license e-mail, follow the instructions to install the license and re-launch MULTI.

8.1 Build

8.1.1 Build project using MULTI Project Manager

• Open the project under "Toolchain->GHS->U2B6->Y-ASK-RH850U2B6_ProjectBuild_GHS.gpj"
• To clean the project "Build->Clean Y-ASK-RH850U2B6_r7f70255x.elf"
• To build the project "Build->Build program Y-ASK-RH850U2B6_r7f70255x.elf"

8.2 Debug

8.2.1 Debug project using MULTI Project Manager

• Connect the Renesas E2 Emulator via USB to your PC.
• Press the "Debug" button.
• "Connect" to the target.
• Press the "GO" button and prepare the target and press "Okay".
• Run the Program.

9 Using Renesas CubeSuite+ IDE

CS+ combines tools such as the C Compiler Package for RH850 Family [CC-RH], debugger, and editor into a common graphical user interface.

9.1 Build

9.1.1 Build project using CS+ for CC

• Open the project under "Toolchain->CSP->U2B6->Y-ASK-RH850U2B6_ProjectBuild_CSP.mtpj"
• To clean the project "Build->Clean"
• To build the project "Build->Build"

9.2 Debug

9.2.1 Debug using CS+ for CC

• Connect the Renesas E2 Emulator via USB to your PC.
• Go to "Debug"-> "Download"
• Execute program

10 Using VS Code and Make

10.1 Setup Build Environment for Compilers

The Sample Software uses a Make environment and depends on the "CoreUtils" package. You can download "GnuWin32 Make-3.81" and "GnuWin32 CoreUtils-5.3.0" packages from sourceforge.
Refer to manuals here.

Add the installation path (C:\Program Files (x86)\GnuWin32\bin) to user's or system's PATH environment variable.

Add your CubeSuite+ and/or Green Hills Multi installation paths as GHS_COMPILER and CS_COMPILER environment variables to your system like follows:

• CS_COMPILER = C:\Program Files (x86)\Renesas Electronics\CS+\CC\CC-RH\V2.07.00
• GHS_COMPILER = C:\ghs\comp_202414

Note: Change path according to your installation.

10.2 Build

10.2.1 Build GHS project using VS Code and Make

• Start VS-Code and use "File->Open Folder…" to open the root of the Starter Kit sample software.
• To clean the project run "Terminal->Run Task->Clean GHS U2B6"
• To build the project run "Terminal->Run Task->Build GHS U2B6".

10.2.2 Build CSP project using VS Code and Make

• Start VS-Code and use "File->Open Folder…" to open the root of the Starter Kit sample software.
• To clean the project run "Terminal->Run Task->Clean CSP U2B6".
• To build the project run "Terminal->Run Task->Build CSP U2B".

10.3 Debug

10.3.1 Debug-only GHS project

• Connect the Renesas E2 Emulator via USB to your PC.
• To debug open "Toolchain/GHS/U2B6/Y-ASK-RH850U2B6_Debug_GHS.ghsmc" by double click or run multi.exe from the start menu, select "Components->Open Debugger…" and navigate to the specified debug project file. MULTI then loads the project.
• For a quick connection, open the Connection Manager and load the Y-ASK-RH850U2B6_Connection_GHS.con file from the Debug folder.

• Click "File->Save" and close the window. Afterwards you can choose the Y-ASK-RH850U2B6 connection method.
• This method uses .dvf file available inside the Debug folder provided device file. For the latest version please use this link.
• Adapt the Device File path for the connection method to your location.
• For more details on, refer to Appendix A on how to create a Connection Method.
  
  
• Click the Go button to Prepare Target, check "Download to RAM or Internal Flash ROM" and click OK.
• If the Prepare Target window does not show up, open it via "Debug->Prepare Target…"

10.3.2 Debug-only CSP project

• Connect the Renesas E2 Emulator via USB to your PC.

• To debug open "Toolchain/CSP/U2B6/Y-ASK-RH850U2B6_DebugOnly_CSP.mtpj" or start CubeSuite+ for CC and select "File->Open…" and navigate to the specified debug project file.

• Upon opening project you will land to the home screen of CS+ for CC.

• To start debugging select "Debug->Download" or click the Download button from the toolbar.

• The program halts at main with debugger manager window available now.

• In the debug manager press the button to execute the program from the current position.

• The program runs following the above step as seen visible.

• To stop the debugger, use the ‘Stop’ button.
• After finishing the debug session simply disconnect the Renesas E2 Emulator.
• For more details on the CS+ tools, please refer to the Help menu.

11 Next Steps

After you have completed this quick start procedure, please review the documentation available on the product website (see Chapter “Support”). The sample project contains everything to start developing your own projects. The software tools provided constitute evaluation versions and include limitations described in the tool vendor's documentation. To get fully functional versions, please contact your Renesas sales office.

Refer to the available appendices which provide insights to become familiar with the Starter Kit Sample Software.

• Refer to Appendix B about how to work with the Starter Kit.
• Refer to Appendix C about how to work with the display menu.
• Refer to Appendix D about how to work with the few of the shell commands.
• Refer to Appendix E about how to work with the configurator software.

12 Support

To access the online resources and find the latest updates of the sample code or documentation please visit the Renesas website for the RH850/U2B Starter Kit

In case of questions, please feel free to contact the Renesas technical support team via "device_support.rh850-eu@lm.renesas.com" or your existing Jira account.

13 Appendix A - GHS Connection Editor

The following explains in general for creation of new GHS connection methods for the Y-ASK-RH850U2B.

• Press the icon "Create a new Connection Method".

• Write down the name of your connection method. For example, "Y-ASK-RH850U2B6 12V".
• Using the drop-down menu choose type as "Renesas V850/V850E ICE (850eserve2)"

• In the Connection tab choose the .dvf file according to the device code printed on your MCU from your local machine. For the U2B6 Starter Kit select dr7f70255x.dvf.
• (Note: The device file portrayed in the image below serves only for general explanatory purposes and may not apply to U2B6 Starter Kit).
• Update the debugger settings for E2 Emulator, RH850 Core and 4pin LPD.

• Select the Clock tab and set the main clock to 20 MHz (enter as 20000 kHz).

• Select the Advanced tab and set the "Registry ID Code" to "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff".

• Select the Debug tab and write "-nouse_svr" to Other Options to disable usage of the integrated switching voltage regulator.

• Press "Apply" and "OK".

Note: Change other settings only if required and familiar to you.

14 Appendix B - Working with the Starter Kit

Upon boot the shell starts on the corresponding COM port.

• Note: If you cannot see the shell, check the Configurator and terminal settings described above.

• Type help to show available commands.

• If not used correctly, the shell will provide further information. Appendix D describes the available command set.
• The CAN self-test expects a loopback connection between CAN0 and CAN1 as configurable in the Configurator. No additional hardware is necessary.

• The "system_test" command executes a self-test for certain onboard features and prompts the result in the terminal.

100Base-T Ethernet test requires the physical Ethernet cable connection from target to the host directly or via an Ethernet-to-USB adapter. "Source/Apps/Y-ASK-RH850U2B/ethernet/r_ethernet.h" defines the Starter Kits IPv4 address per default to 192.168.10.10. Configure the IPv4 settings of the network adapter in use as follows:

• IP Address: 192.168.10.xxx, but different from Starter Kit's IP
• Subnet mask: 255.255.255.0
• Gateway: 192.168.10.1
• DNS Server: Anything you like, as we connect via direct IP.
• Open Browser: "http://192.168.10.10" to see the interactive web interface.

• Select "Mode 1" either using the web interface or by pressing SW2 (INT1) or display-menu.
• The web-interface reflects the user inputs for the circular LEDs controlled using encoder button by turning clockwise and counter clockwise.

• The User LEDs LED20, LED21, LED22 and LED23 produce a cyclic pattern of glowing continuously.

• The potentiometer POTI1 controls the bar.

• Select Mode 2 by either using web-interface, pressing the SW2 (INT1) or the display menu.
• The User LEDs: LED20, LED21, LED22 and LED23 go to OFF state. The circular user LEDs around the encoder behave as they used to as Mode 1 setting

• The potentiometer POTI1 controls the color of the encoder RGB LED.

• Executing RESET using web-interface “MCU Reset” or SW1 will reset the MCU.
• "System Status" displays details like "Runtime".

15 Appendix C - Working with the Display Menu

After boot the display shows the following welcome screen.

Use the encoder button to enter the menu and then use the encoder to navigate through it.

Enter "SystemInfo" to see runtime and System Test status. You can execute the System Test as also available from the shell here. If all tests pass it prints "OK".

Enter "Ethernet Info" to see link status, IP Address and frame counters.

When executing “Go to Stop" the RH850/U2B goes to STOP mode, a standby mode. User LEDs and Encoder LED will go OFF and the display will show STOP status as shown below. To wake up from this state, please press "INT0” switch (SW3).

Use "MCU Reset" to perform reset.

16 Appendix D - Working with the Shell

This chapter shows the usage of the implemented shell commands.

• Type help to get command information

• Below figures show how to use the PMIC commands.

• Below figure shows how to use the LIN command.

17 Appendix E - Working with the configurator software

With the PC connected to the USB/UART port of the Starter Kit run the Configurator GUI executable available for download to configure the Starter Kits hardware.

Let us assume there exists a configuration file called "config_all_peripherals_enabled.cfg" that contains all the settings you want to use. To load it click "Configuration file->Load".

Activate your settings by clicking "Write to board (volatile)". If you want to save the settings for the next boot, save it under the "Non-volatile" tab and activate the "Make bootable" checkbox.

18 Revision History

19 License

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