CH32V003 USB Drivers

This project is based on rv003usb.

硬件信息
MCU	CH32V003	青稞32位RISC-V内核，RV32EC指令集 @48MHz
SRAM	2 KB	易失数据存储区
Bootloader	1920 Bytes	系统引导程序存储区
Flash	16 KB	程序存储区
USB_DP(D+)	PD3
USB_DM(D-)	PD4
DPU	PD5	用于重新触发USB枚举
BOOT Btn	PD6	用于在BootLoader阶段检测是否要烧录程序

The following content assumes you are using the CH32V003 USB Dev Board.

Getting Started

Install toolchain and libs

sudo apt install gcc-riscv64-unknown-elf libusb-1.0-0-dev bear

Build the flash the firmware

cd vendor
make

Flash firmware and listen log. This requires a wch-linke debugger

minichlink -w vendor.bin flash -b -T

Develop

generate compile_commands.json and use clangd to index code

bear -- make

Go to vscode, Press Ctrl + Shift + P , the search clangd: Restart language server and press Enter.

Reference

• rv003usb
• Programming with PyUSB 1.0

Links

• CH32V003 USB Dev Board