esp-rs/esp-rust-board

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esp-rs/esp-rust-board

esp-rs

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Open Hardware with ESP32-C3 compatible with Feather specification designed in KiCad

Rust ESP Board

Welcome to the Rust ESP Development board project. This repository contains everything you will need to build the board yourself.

Where to buy

Ferrous Systems Training

Training Book: Explore the power of Rust on the new Espressif board
- Training Material

Project Specification

This board is based on the ESP32-C3, and includes sensors, LEDs, buttons, a battery charger, and USB type-C connector.

SoC Features

IEEE 802.11 b/g/n-compliant
Bluetooth 5, Bluetooth mesh
32-bit RISC-V single-core processor, up to 160MHz
384 KB ROM
400 KB SRAM (16 KB for cache)
8 KB SRAM in RTC
22 × programmable GPIOs
3 × SPI
2 × UART
1 × I2C
1 × I2S
2 × 54-bit general-purpose timers
3 × watchdog timers
1 × 52-bit system timer
Remote Control Peripheral (RMT)
LED PWM controller (LEDC)
Full-speed USB Serial/JTAG controller
General DMA controller (GDMA)
1 × TWAI®
2 × 12-bit SAR ADCs, up to 6 channels
1 × temperature sensor

For the complete description, see the ESP32-C3 Datasheet.

I2C Peripherals

This board includes the following peripherals over the I2C bus:

Peripheral	Part number	Reference	Crate	Address
IMU	ICM-42670-P	Datasheet	Link	0x68
Temperature and Humidity	SHTC3	Datasheet	Link	0x70

I2C Bus Connection

Signal	GPIO
SDA	GPIO10
SCL	GPIO8

I/Os

The following devices are connected through GPIO:

I/O Devices	GPIO
WS2812 LED	GPIO2
LED	GPIO7
Button/Boot	GPIO9

Power

USB type-C (no PD compatibility).
Li-Ion battery charger.

Pin Layout

Left Side

Pin Number	Description	SoC
1	Reset	EN/CHIP_PU
2	3V3
3	N/C
4	GND
5	IO0/ADC1-0	GPIO0
6	IO1/ADC1-1	GPIO1
7	IO2/ADC1-2	GPIO2
8	IO3/ADC1-3	GPIO3
9	IO4/ADC2-0	GPIO4
10	IO5/ADC2-1	GPIO5
11	IO6/MTCK	GPIO6
12	IO7/MTDO/LED	GPIO7
13	IO9/LOG	GPIO8
14	IO21/U0RXD	GPIO21
15	IO20/U0TXD	GPIO20
16	IO9/BOOT	GPIO9

Right Side

Pin Number	Description	SoC
1	VBAT
2	EN [1]
3	VBUS [2]
4	NC
5	NC
6	NC
7	NC
8	NC
9	IO18/USB_D-	GPIO18
10	IO19/USB_D+	GPIO19
11	IO8/SCL	GPIO8
12	IO10/SDA	GPIO10

[1] Connected to LDO enable pin*
[2] Connected to USB 5V*

Project KiCad Libraries

ESP32C3

Board Design

Top

Bottom

Bill of Material

Interactive BOM

Case

Case 3D Printing Model

awesome-esp-rust

Curated list of resources for ESP32 development in the Rust programming language

esp-hal

no_std Hardware Abstraction Layers for ESP32 microcontrollers

std-training

Embedded Rust on Espressif training material.

espflash

Serial flasher utility for Espressif SoCs and modules based on esptool.py

esp-idf-hal

embedded-hal implementation for Rust on ESP32 and ESP-IDF

esp-idf-template

A "Hello, world!" template of a Rust binary crate for the ESP-IDF framework.

esp-wifi-sys

Wi-Fi and BT drivers packaged for integration into bare-metal esp-wifi.

esp-idf-svc

Type-Safe Rust Wrappers for various ESP-IDF services (WiFi, Network, Httpd, Logging, etc.)

esp-idf-sys

Bindings for ESP-IDF (Espressif's IoT Development Framework)

rust-build

Installation tools and workflows for deploying/building Rust fork esp-rs/rust with Xtensa and RISC-V support

espup

Tool for installing and maintaining Espressif Rust ecosystem.

esp32-hal

A hardware abstraction layer for the esp32 written in Rust.

book

The Rust on ESP Book

esp8266-hal

A experimental hardware abstraction layer for the esp8266 written in Rust.

esp-template

A minimal esp-hal application template for use with cargo-generate

embuild

Build support for embedded Rust: Cargo integration with other embedded build ecosystems & tools, like PlatformIO, CMake and kconfig.

rfc2217-rs

IETF RFC2217 implementation in Rust

esp32

Peripheral access crate for the ESP32

embedded-svc

Rust APIs and abstractions for various embedded services (WiFi, Network, Httpd, Logging, etc.)

esp-pacs

Peripheral Access Crates for Espressif SoCs and modules

esp32-wifi

Rust ESP32 WiFi Library

no_std-training

Getting-started guide on using the Rust with Espressif SoCs using no_std.

espmonitor

Cargo tool for monitoring ESP32/ESP8266 execution

esp-openthread

xtensa-lx-rt

Minimal runtime/startup for Xtensa LX processors

esp-ieee802154

Low-level IEEE802.15.4 driver for the ESP32-C6 and ESP32-H2

esp-web-flash-server

Starts a local server serving a web page to flash a given ELF file

esp-backtrace

backtrace for ESP32 bare-metal

esp32c3

Peripheral access crate for the ESP32-C3

xtensa-lx

Low-level access to Xtensa LX processors

esp-storage

implementation of embedded-storage traits to access unencrypted ESP32 flash

esp8266

Peripheral access crate for the ESP8266

esp-riscv-rt

Minimal runtime / startup for RISC-V CPUs from Espressif

esp-println

Provides print! and println! implementations various Espressif devices

esp-mbedtls

mbedtls for ESP32 bare-metal

esp-flasher-stub

Rust implementation of flasher stub located in esptool

esp-alloc

A simple `no_std` heap allocator for RISC-V and Xtensa processors from Espressif

esp-flash-loader

A probe-rs flash loader for Espressif chips.

xtensa-toolchain

A GitHub Action to install the Rust compiler fork targeting Xtensa devices

docker-rust-esp

Rust build environment for the ESP32 and ESP8266

esp-idf-part

A library for parsing and generating ESP-IDF partition tables

riscv-atomic-emulation-trap

An atomic emulation trap handler for non atomic RISCV targets

esp-serial-dbg

esp-serial-dbg - debugging of esp-hal based applications via serial

esp-rust-board-bsp

A board support package for the ESP Rust Board

esp-hal-community

esp-generate

Template generation tool to create no_std applications targeting Espressif's chips.

xtensa-atomic-emulation-trap

An atomic emulation trap handler for non atomic Xtensa targets

docs

rfcs

esp32s3

Peripheral access crate for the ESP32-S3

esp32s2

repo-activity-digest