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RT-Thread CH32V307 Test Report

Test Environment

Operating System Information

Hardware Information

  • CH32V307V-EVT-R2-1v1
  • A USB to UART debugger
  • A WCH-Link(E)

Installation Steps

Install PlatformIO Core

You can first check if the package manager includes platformio-core. If not, you can use the installation script:

curl -fsSL -o get-platformio.py https://raw.githubusercontent.com/platformio/platformio-core-installer/master/get-platformio.py
python3 get-platformio.py

PlatformIO Environment Configuration

Install CH32V development environment:

pio pkg install -g -p https://github.com/Community-PIO-CH32V/platform-ch32v.git

Add udev rules and apply them (may need to change GROUP according to the distribution):

curl -fsSL https://raw.githubusercontent.com/platformio/platformio-core/develop/platformio/assets/system/99-platformio-udev.rules | sudo tee /etc/udev/rules.d/99-platformio-udev.rules
cat << EOF | sudo tee -a /etc/udev/rules.d/99-platformio-udev.rules
SUBSYSTEM=="usb", ATTR{idVendor}="1a86", ATTR{idProduct}=="8010", GROUP="plugdev"
SUBSYSTEM=="usb", ATTR{idVendor}="4348", ATTR{idProduct}=="55e0", GROUP="plugdev"
SUBSYSTEM=="usb", ATTR{idVendor}="1a86", ATTR{idProduct}=="8012", GROUP="plugdev"
EOF
sudo udevadm control --reload-rules
sudo udevadm trigger

Add user groups:

  • Debian-based systems:
sudo usermod -a -G dialout $USER
sudo usermod -a -G plugdev $USER
  • Arch-based systems:
sudo usermod -a -G uucp $USER
sudo usermod -a -G lock $USER

Prepare Project Repository

Clone the relevant repositories:

git clone https://github.com/Community-PIO-CH32V/platform-ch32v.git

Code Compilation

Compile the code using pio:

cd platform-ch32v/examples/hello-world-rt-thread
pio run

Flashing Image

After confirming WCH-Link(E) is connected to the SWD debugging port, manually specify the development board using pio and then burn the code:

pio run -e your_board --target upload

Common Issues

  • Error: error writing to flash at address 0x00000000 at offset 0x00000000
    • This is due to a low firmware version of WCH-Link. (See important-notices).
    • Please use the WCH-Link Utility to connect once with CH-Link on W2 to automatically update. This tool is currently only available for Windows
  • Error: Read-Protect Status Currently Enabled
    • This is caused by the chip having write protection enabled. In Windows, we can use the WCH-Link Utility to disable protection. In Linux, OpenOCD can be used:
cd ~/.platformio/packages/tool-openocd-riscv-wch/bin
./openocd -f wch-riscv.cfg -c init -c halt -c "flash protect wch_riscv 0 last  off " -c exit
cd -

Logging into the System

Connect to the development board via serial port.

Expected Results

The system boots up successfully, and information can be viewed through the onboard serial port.

Actual Results

The system boots up successfully, and information can be viewed through the onboard serial port.

Boot Log

Screen recording (from compilation to boot): asciicast

 \ | /
- RT -     Thread Operating System
 / | \     3.1.3 build Apr 25 2024
 2006 - 2019 Copyright by rt-thread team

 MCU: CH32V307
SystemClk:96000000
ChipID: 30700528
 www.wch.cn
msh >

Test Criteria

Successful: The actual result matches the expected result.

Failed: The actual result does not match the expected result.

Test Conclusion

Test successful.