SiFive

Configuration

platform = sifive

SiFive brings the power of open source and software automation to the semiconductor industry, making it possible to develop new hardware faster and more affordably than ever before.

For more detailed information please visit vendor site.

Examples

Examples are listed from SiFive development platform repository:

• zephyr-blink

• native-blink_asm

• freedom-e-sdk_hello

• freedom-e-sdk_test-coreip

• freedom-e-sdk_sifive-welcome

• freedom-e-sdk_timer-interrupt

• freedom-e-sdk_multicore-hello

• freedom-e-sdk_user-syscall

• freedom-e-sdk_spi

• freedom-e-sdk_user-mode

• zephyr-synchronization

• zephyr-hello-world

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
Arty FPGA Dev Kit	FE310	450MHz	16MB	256MB
HiFive Unleashed	FU540	1500MHz	32MB	8GB
HiFive1	FE310	320MHz	16MB	16KB
HiFive1 Rev B	FE310	320MHz	16MB	16KB
SparkFun RED-V RedBoard	FE310	320MHz	16MB	16KB
SparkFun RED-V Thing Plus	FE310	320MHz	16MB	16KB

Stable and upstream versions

You can switch between stable releases of SiFive 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 = sifive
board = ...

; Custom stable version
[env:custom_stable]
platform = sifive@x.y.z
board = ...

Upstream

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

Packages

Name	Description
framework-freedom-e-sdk	Open Source Software for Developing on the SiFive Freedom E Platform
framework-zephyr	Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
framework-zephyr-canopennode	Zephyr module for CANopenNode - a free and open source CANopen Stack
framework-zephyr-civetweb	Zephyr module CivetWeb Embedded C/C++ web server
framework-zephyr-fatfs	Zephyr module for FATFS filesystem
framework-zephyr-libmetal	Zephyr module for HAL abstraction layer used by open-amp
framework-zephyr-littlefs	Zephyr module for littlefs filesystem
framework-zephyr-loramac-node	Zephyr module for LoRaWAN endpoint stack implementation
framework-zephyr-lvgl	Zephyr module for LittlevGL - an Open-source Embedded GUI Library
framework-zephyr-mbedtls	mbedTLS module for Zephyr
framework-zephyr-mcuboot	Zephyr module for MCUboot - a secure bootloader for 32-bit MCUs
framework-zephyr-mcumgr	Zephyr module for mcumgr management library for 32-bit MCUs
framework-zephyr-mipi-sys-t	Zephyr module for MIPI System Software Trace
framework-zephyr-open-amp	Zephyr module for Open Asymmetric Multi Processing (OpenAMP) framework
framework-zephyr-openthread	OpenThread module for Zephyr
framework-zephyr-segger	Zephyr module for Segger RTT
framework-zephyr-tinycbor	Zephyr module for Concise Binary Object Representation Library
tool-cmake	CMake is an open-source, cross-platform family of tools designed to build, test and package software.
tool-dtc	Device tree compiler
tool-gperf	GNU gperf is a perfect hash function generator.
tool-jlink	SEGGER J-Link Software and Documentation Pack
tool-ninja	Ninja is a small build system with a focus on speed.
tool-openocd-riscv	OpenOCD for RISC-V
tool-qemu-riscv	Open source machine emulator and virtualizer
tool-renode	Renode is a development framework which accelerates IoT and embedded systems development by letting you simulate physical hardware systems
toolchain-riscv	GNU toolchain for RISC-V, including GCC

Warning

Linux Users:

• Install “udev” rules 99-platformio-udev.rules

• Raspberry Pi users, please read this article Enable serial port on Raspberry Pi.

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
Zephyr	The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures, optimized for resource constrained devices, and built with safety and security in mind.

Boards

Note

• You can list pre-configured boards by platformio boards command or PlatformIO Boards Explorer

• For more detailed board information please scroll the tables below by horizontally.

SiFive

Name	Debug	MCU	Frequency	Flash	RAM
HiFive Unleashed	On-board	FU540	1500MHz	32MB	8GB
HiFive1	On-board	FE310	320MHz	16MB	16KB
HiFive1 Rev B	On-board	FE310	320MHz	16MB	16KB

SparkFun

Name	Debug	MCU	Frequency	Flash	RAM
SparkFun RED-V RedBoard	On-board	FE310	320MHz	16MB	16KB
SparkFun RED-V Thing Plus	On-board	FE310	320MHz	16MB	16KB

Xilinx

Name	Debug	MCU	Frequency	Flash	RAM
Arty FPGA Dev Kit	On-board	FE310	450MHz	16MB	256MB