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rv debugger bl702 note

board

https://tang.sipeed.com/en/hardware-overview/rv-debugger/

toolchain & download tool

use riscv64-unknown-elf on guix or other distro:

prebuild toolchain: https://github.com/newluhux/guix-config/releases/tag/2023.05.02

guix: https://github.com/newluhux/guix-config/blob/master/packages/embedded.scm#L396

opensource download tool

source: https://github.com/pine64/blisp

guix: https://github.com/newluhux/guix-config/blob/master/packages/embedded.scm#L575

firmware for UART & JTAG

https://github.com/sipeed/RV-Debugger-BL702

git clone https://github.com/sipeed/RV-Debugger-BL702
cd RV-Debugger-BL702
git submodule update
cd firware/bl_mcu_sdk/
make clean
make BOARD=bl702_debugger APP_DIR=../app APP=usb2uartjtag
blisp write -c bl70x -p /dev/ttyACM0 ./out/app/usb2uartjtag/usb2uartjtag_bl702.bin