REALTEK Ameba-ZII DEV Ameba Z2 IoT Board Features User Manual

REALTEK Ameba-ZII DEV Ameba Z2 IoT Board Features

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Demo Board User Guide

PCB Layout Overview
RTL8720C embedded on Ameba-ZII DEV demo board, which consists of various I/O interfaces. For the details of the HDK, please contact us for further reference.

Pin Mux Alternate Functions

• Pin Mux Table
  Pin Name| SPIC-Flash/SDIO| JTAG| UART| _SPI/WL_LED/EXT32K| I2C| PWM
  ---|---|---|---|---|---|---
  _GPIOA0| | JTAG_CLK| UART1_IN| EXT_32K| | PWM[0]
  _GPIOA1| | JTAG_TMS| UART1_OUT| BT_LED| | PWM[1]
  _GPIOA2| | JTAG_TDO| UART1_IN| SPI_CSn| I2C_SCL| PWM[2]
  _GPIOA3| | JTAG_TDI| UART1_OUT| SPI_SCL| I2C_SDA| PWM[3]
  _GPIOA4| | JTAG_TRST| UART1_CTS| SPI_MOSI| | PWM[4]
  _GPIOA5| | | UART1_RTS| SPI_MISO| | PWM[5]
  _GPIOA6| | | | | | PWM[6]
  _GPIOA7| SPI_M_CS| | | SPI_CSn| |
  _GPIOA8| SPI_M_CLK| | | SPI_SCL| |
  _GPIOA9| SPI_M_DATA[2]| | UART0_RTS| SPI_MOSI| |
  _GPIOA10| SPI_M_DATA[1]| | UART0_CTS| SPI_MISO| |
  _GPIOA11| SPI_M_DATA[0]| | UART0_OUT| | I2C_SCL| PWM[0]
  _GPIOA12| SPI_M_DATA[3]| | UART0_IN| | I2C_SDA| PWM[1]
  _GPIOA13| | | UART0_IN| | | PWM[7]
  _GPIOA14| SDIO_INT| | UART0_OUT| | | PWM[2]
  _GPIOA15| SD_D[2]| | UART2_IN| SPI_CSn| I2C_SCL| PWM[3]
  _GPIOA16| SD_D[3]| | UART2_OUT| SPI_SCL| I2C_SDA| PWM[4]
  _GPIOA17| SD_CMD| | | | | PWM[5]
  _GPIOA18| SD_CLK| | | | | PWM[6]
  _GPIOA19| SD_D[0]| | UART2_CTS| SPI_MOSI| I2C_SCL| PWM[7]
  _GPIOA20| SD_D[1]| | UART2_RTS| SPI_MISO| I2C_SDA| PWM[0]
  _GPIOA21| | | UART2_IN| | I2C_SCL| PWM[1]
  _GPIOA22| | | UART2_OUT| LED_0| I2C_SDA| PWM[2]
  _GPIOA23| | | | LED_0| | PWM[7]
• Pin-Out Reference

SDK Build Environment Setup

Debugger Settings
To download code or debug on Ameba-ZII, user needs to make sure the debugger is setup properly. Ameba-ZII supports J-Link for code download and entering debugger mode. The settings are described below.

J-Link Debugger

• Connection
  Ameba-ZII supports J-Link debugger. you need to connect the Serial Wire Debug (SWD) connector of Ameba-ZII to J-Link debugger as shown below and then connect J-Link to PC. You can refer to section 1.2.2 for SWD pin definitions .
  Note: To be able to debugger Ameba-ZII which is powered by Cortex-M33, user needs a J-Link debugger with the latest hardware version (Check https://wiki.segger.com/Software_and_Hardware_Features_Overview for details).

• Setups on Windows OS
  To be able to use J-Link debugger, you need to firstly install J-Link GDB server. Please check http://www.segger.com and download “J-Link Software and Documentation Pack” (https://www.segger.com/downloads/jlink).
  Note: To support TrustZone feature, it’s better to download the latest version of J-Link Software. Version 6.40 is used to prepare this document. The process of is as follows:

1. Install J-Link GDB server.
   Please check http://www.segger.com and download “J-Link Software and Documentation Pack” (https://www.segger.com/downloads/jlink).

2. Open installation location of ‘JLink_V640’ and run “JLinkGDBServer.exe” to check connection.

3. Make sure the configuration is fine and click ‘OK’.

4. Check if the below information is shown properly.

Note: If J-Link GDB Server is unable to detect the device, try re- connecting the wires and re-open ‘JLinkGDBServer.exe’ may solve the problem.

Log UART Settings
To be able to start development with the demo board, Log UART must be connected properly. Different versions of EVBs have different connections.

EVB v2.0
By default, UART2 (GPIOA_15 / GPIOA_16, c heck figure 1-3) is used as system log UART. User needs to connect jumpers to J33 for CON3 (FT232) or CON2 (DAP).

1. Connection to log UART via FT232 (CON3):

IAR Environment Setup
IAR IDE (integrated development environment) only supports Windows OS, this section is applicable for Windows OS only.

• Install and Setup IAR IDE in Windows
  IAR IDE provides the toolchain for Ameba-ZII. It allows users to write programs, compile and upload them to your board. Also, it supports step-by- step debug function.
  User can visit the official website of IAR Embedded Workbench and install the IDE by following its instructions.
  Note: Please use IAR version 8.30 or above.

• IAR Project Introduction

  • Ignore Secure Project
    Currently users can use ignore secure mode. ‘project_is’ (ignore secure) is the project without TrustZone configuration. This project is easier to develop and suit for first-time developer.

  • Compilation

  1. Open SDK/project/realtek_amebaz2_v0_example/EWARM-RELEASE/Project_is.eww.
  2. Confirm application_is in Work Space, right click application_is and choose “Rebuild All” to compile.
  3. Make sure there is no error after compile.
  • Generating Image Binary
    After compile, the images partition.bin, bootloader.bin, firmware_is.bin and flash_is.bin can be seen in the EWARM-RELEASE\Debug\Exe.
  1. partition.bin stores partition table, recording the address of Boot image and firmware image;
  2. bootloader.bin is bootloader image;
  3. firmware_is.bin is application image;
  4. flash_is.bin links partition.bin, bootloader.bin and firmware_is.bin. Users need to choose flash_is.bin when downloading the image to board by PG Tool.
  • Download
    After a successfully compilation and ‘flash_is.bin’ is generated without error, user can either

  1. Directly download the image binary on to demo board from IAR IDE (as below)
     Note: Please make the project first when some code is modified before download the bin file on the board, otherwise the download will fail and below logs will be shown.

  2. Or using the PG tool for Ameba-ZII (Will not be shown here, please check chapter 3 for details).

  • Compilation
  1. Open SDK/project/realtek_amebaz2_v0_example/EWARM-RELEASE/Project_tz.eww.
  2. Confirm ‘application_ns’ and ‘application_s’ are in Work Space.
  3. Right click ‘application_s’ and click “Rebuild All” to compile ‘application_s’ first. If ‘application_s’ is compiled successfully, it will generate a file named ‘application_s_import_lib.o’ and the file will be put in “lib” folder of ‘application_ns’, shown in Figure 2-10.
  4. Make sure ‘application_s’ is compiled successfully and the file ‘application_s_import_lib.o’ has been put under “lib” in ‘application_ns’.
  5. Right click ‘application_ns’ and click “Rebuild All” to build ‘application_ns’.
  6. Make sure the ‘application_ns’ is compiled successfully.
  • Generating image binary
    After compile, the images partition.bin, bootloader.bin, firmware_tz.bin and flash_tz.bin can be seen in the EWARM-RELEASE\Debug\Exe.
  1. partition.bin stores partition table, recording the address of Boot image and firmware image;
  2. bootloader.bin is bootloader image;
  3. firmware_tz.bin is application image;
  4. flash_tz.bin links partition.bin, bootloader.bin and firmware_tz.bin. Users need to choose flash_tz.bin when downloading the image to board by PG Tool.
  • Download
    After a successfully compilation and ‘flash_tz.bin’ is generated without error, user can either
  1. Directly download the image binary on to demo board from IAR IDE (as below)
  2. Or using the PG tool for Ameba-ZII (Will not be shown here, please check chapter 3 for details).

GCC Environment on Windows (Using Cygwin)

Install Cygwin
Cygwin a large collection of GNU and Open Source tools which provide functionality similar to a Linux distribution on Windows. It provides the GCC toolchain for Ameba-ZII.
User can visit the official website of Cygwin and install by following its instructions.

• During the Cygwin installation, please install “math” “bc: Arbitrary precision calculator language”
• During the Cygwin installation, please install “devel” “make: The GNU version of the ‘make’ utility”

Building the Non-Trust Zone Project

• Compile Project on Cygwin

1. Open “Cygwin Terminal”
2. Direct to compile path. Enter command “cd /SDK/project/realtek_amebaz2_v0_example/GCC-RELEASE”
3. Clean up pervious compilation files. Enter command “make clean”
4. Build all libraries and application. Enter command “make all”
5. Make sure there is no error after compile.

• Generating Image Binary
  After compile, the images partition.bin, bootloader.bin, firmware_is.bin and flash_is.bin can be seen in different folders of \GCC-RELEASE.

1. partition.bin stores partition table, recording the address of Boot image and firmware image; located at folder\GCC-RELEASE;
2. bootloader.bin is bootloader image; located at folder \GCC-RELEASE\bootloader\Debug\bin;
3. firmware_is.bin is application image; located at folder \GCC-RELEASE\application_is\Debug\bin;
4. flash_is.bin links partition.bin, bootloader.bin and firmware_is.bin. Located at folder \GCC-  

RELEASE\application_is\Debug\bin.

• Download

1. Directly download the image binary on to demo board from Cygwin (as below)  

Connect SWD to board and open “JLinkGDBServer.exe”. Please refer to 2.2.1 Jlink for SWD connection. Enter command “make flash” at Cygwin.

2. Or using the PG tool for Ameba-ZII (Will not be shown here, please check chapter 3 for details).

GCC Environment on Ubuntu/Linux

Verify Device Connections
Once the JLink software is installed, the connections to the ubuntu machine of the device need to be verified.

1. Ensure that the JLink debugger is connected to the target and the USB device is connected to the Ubuntu/Linux machine.
2. Ensure that the micro-usb is connected to CON3 and plugged into the Ubuntu/Linux machine via USB in order to receive serial logs.
3. To verify if both devices i.e. the JLink device and the device serial port have been detected properly we can use the “lsusb” command to see list of devices as shown below:
4. As you can see above the SEGGER J-Link and the FTDI USB UART device have been successfully detected.

Compile and Generate Binaries

1. Open the Ubuntu/Linux terminal.
2. Direct to compile path. Enter command “cd /SDK /project/realtek_amebaz2_v0_example/GCC-RELEASE”
3. Clean up pervious compilation files. Enter command “make clean”
4. Build all libraries and application. Enter command “make all”
5. Once the build is successful, you should be able to see the success logs as shown below.

Download and Flash Binaries
There are in-built scripts in the makefile that initiate download and flashing of the software via JLink. In order to flash successfully, the JLinkGDBServer needs to be initiated manually by the user and successful connection needs to be ensured. The JLink GDB server must be active and connected to the target before any type of flash action is taken. In order to start the JLink GDB server, follow the steps in 2.2.1.2.

Initiate Flash Download
Once the JLink GDB server is set up as per the instructions given before, perform the following steps to initiate the flash download.

1. Proceed back to the previous terminal where the SDK was made, without closing the terminal from which GDB server is running
2. Run the command “make setup GDB_SERVER=jlink or pyocd” to select GDB Server.
3. Run the command “sudo make flash”
4. If the flash download is successful, the following log will be printed

Debug
After a successfully downloading, user can debug with pyOCD + DAPLink enabled HDK or using JLINKGDBServer + JLINK by following command “make debug_tz”
Before using “make debug_tz”, “make setup GDB_SERVER=jlink or pyocd” to select GDB Server is necessary.

Image Tool

Introduction
This chapter introduces how to use Image Tool to generate and download images. As show in Figure 3-1, Image Tool has two menu pages:

• Download: used as image download server to transmit images to Ameba through UART.
• Generate: contact individual images and generate a composite image.

Please download the ‘PG Tool Release Package’ and browse the image tool document ‘UM0503’.
Note: If you need to download code via external uart, must use FT232 USB To UART dongle.

Environment Setup

Hardware Setup

• EVB V2.0
  User needs to connect CON3 to user’s PC via a Micro USB cable. Add jumpers for J34 and J33 (J33 is for log UART which has two jumpers) if there is no connection.

• Software Setup

  • Environment Requirements: EX. WinXP, Win 7 Above, Microsoft .NET Framework 3.5
  • AmebaZII_PGTool_v1.0.1.exe

Image Download
User can download the image on demo board by following below steps:

1. Trigger Ameba-ZII chip enter UART download mode by

   • a. For EVB V2.0, to enter UART download mode:
     Press and hold the UART DOWNLOAD button then press the RESET button and release both buttons. And make sure the log UART is connected properly (refer to section 2.3).

   • b. Press RESET button and release, then below log should be shown on log UART console. (Please remember to disconnect the log UART before using Image Tool to download, because the tool will also need to connect to this log UART port)

2. Choose the correct UART port (use rescan to update the port list)

3. “Browse” to choose the image to be downloaded (flash_xx.bin)

4. Choose “Mode” “1. Program flash memory”

5. Choose correct “Flash Pin” according to the IC part number:
   Flash Pin| IC part number
   ---|---
   PIN_A7_A12| RTL8710CX/RTL8720CM
   PIN_B6_B12| RTL8720CF

6. Click “Download” to start downloading image. While downloading, the status will be shown on the left bar.

Note: It’s recommended to use the default settings unless user is familiar with them.

Application Note: All information provided in this document is subject to legal disclaimers.

© REALTEK 2018. All rights reserved.

Realtek Semiconductor Corp.
No. 2, Innovation Road II, Hsinchu Science Park, Hsinchu 300, Taiwan
Tel.: +886-3-578-0211.
Fax: +886-3-577-6047
www.realtek.com

References

• 首頁 - 瑞昱半導體
• Software Development Tools by SEGGER – The Embedded Experts
• J-Link Model Overview - SEGGER Wiki

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