RISC-V

Configuration:platform = riscv

RISC-V is an open, free ISA enabling a new era of processor innovation through open standard collaboration. Born in academia and research, RISC-V ISA delivers a new level of free, extensible software and hardware freedom on architecture, paving the way for the next 50 years of computing design and innovation.

For more detailed information please visit vendor site.

Debugging

PIO Unified Debugger - “1-click” solution for debugging with a zero configuration.

Tools & Debug Probes

Supported debugging tools are listed in “Debug” column. For more detailed information, please scroll table by horizontal. You can switch between debugging Tools & Debug Probes using debug_tool option in “platformio.ini” (Project Configuration File).

Warning

You will need to install debug tool drivers depending on your system. Please click on compatible debug tool below for the further instructions.

On-Board Debug Tools

Boards listed below have on-board debug probe and ARE READY for debugging! You do not need to use/buy external debug probe.

Name MCU Frequency Flash RAM
HiFive1 FE310 320MHz 16MB 16KB

External Debug Tools

Boards listed below are compatible with PIO Unified Debugger but DEPEND ON external debug probe. They ARE NOT READY for debugging. Please click on board name for the further details.

Name MCU Frequency Flash RAM
E51 Arty (Artix-7) FPGA Dev Kit E51 1500MHz 16MB 256MB
Freedom E310 Arty (Artix-7) FPGA Dev Kit E31 320MHz 16MB 256MB

Stable and upstream versions

You can switch between stable releases of RISC-V development platform and the latest upstream version using platform option in “platformio.ini” (Project Configuration File) as described below.

Stable

; Latest stable version
[env:latest_stable]
platform = riscv
board = ...

; Custom stable version
[env:custom_stable]
platform = [email protected]
board = ...

Upstream

[env:upstream_develop]
platform = https://github.com/platformio/platform-riscv.git
board = ...

Packages

Name Description
framework-freedom-e-sdk Open Source Software for Developing on the SiFive Freedom E Platform
tool-openocd-riscv OpenOCD for RISC-V
toolchain-riscv GNU toolchain for RISC-V, including GCC

Warning

Linux Users:

Windows Users:

Please check that you have a correctly installed USB driver from board manufacturer

Frameworks

Name Description
Freedom E SDK Open Source Software for Developing on the SiFive Freedom E Platform

Boards

Note

SiFive

Name Debug MCU Frequency Flash RAM
HiFive1 On-board FE310 320MHz 16MB 16KB

Xilinx

Name Debug MCU Frequency Flash RAM
E51 Arty (Artix-7) FPGA Dev Kit External E51 1500MHz 16MB 256MB
Freedom E310 Arty (Artix-7) FPGA Dev Kit External E31 320MHz 16MB 256MB