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bl702-hal

Hardware Abstraction Layer for BL702 RISC-V SoC in embedded Rust.

Project status

Working:

  • Basic GPIO is working
  • Clock initialisation (not configurable)
  • UART0 (2MBaud only)

TODO:

  • Everything else

Getting started

Install cargo + rust + riscv32imac-unknown-none-elf + cargo-binutils + llvm-tools-preview
(google for instructions, TODO add step-by-step here)

pip install bflb-mcu-tool

cargo objcopy --release --example blinky -- -O binary blinky.bin
bflb-mcu-tool --chipname bl702 --firmware blinky.bin

Serial demo

cargo objcopy --release --example serial -- -O binary serial.bin
bflb-mcu-tool --chipname bl702 --firmware serial.bin
picocom --lower-rts --lower-dtr --imap lfcrlf /dev/ttyUSB0 -b 2000000

Contributing

We welcome community contributions to this project. Please create a github issue or pull request if you have any issues or wish to contribute.

License

This project is licensed under both MIT or Mulan PSL v2

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