Add a sample ESP32 binky project using Rust

Related to #10

Author: vs4vijay

.github/workflows/compile_demo_rust.yml

@@ -0,0 +1,60 @@
+name: Compile Demo with Rust
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    tags:
+      - "*"
+    paths:
+      - demo_rust/**
+      - .github/workflows/compile_demo_rust.yml
+  pull_request:
+    branches:
+      - main
+    paths:
+      - demo_rust/**
+      - .github/workflows/compile_demo_rust.yml
+
+jobs:
+  compile_demo_rust:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: actions/setup-rust@v1
+        with:
+          rust-version: stable
+
+      - name: Install espup
+        run: |
+          cargo install espup
+          espup install
+
+      - name: Add espup to PATH
+        run: echo "$HOME/.cargo/bin" >> $GITHUB_PATH
+
+      - name: Build Rust project
+        run: |
+          cd demo_rust
+          cargo build --release
+
+      - name: List all files
+        if: always()
+        continue-on-error: true
+        run: |
+          set -x
+          pwd
+          ls -all
+          tree
+
+      - name: Upload firmware
+        uses: actions/upload-artifact@v4
+        with:
+          path: demo_rust/target/xtensa-esp32-espidf/release/demo_rust
+          name: demo_rust
+          compression-level: 0
+          if-no-files-found: error

README.md

@@ -121,6 +121,30 @@ idf.py add-dependency
 
 ---
 
+## Rust
+
+### Install Rust
+
+```bash
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+```
+
+### Install espup
+
+```bash
+cargo install espup
+espup install
+```
+
+### Compile firmware with Rust
+
+```bash
+cd demo_rust
+cargo build --release
+```
+
+---
+
 ## Flash firmware
 
 - Install esptool.py - `pip install -U esptool`
@@ -178,4 +202,4 @@ https://github.com/esp-rs/esp-idf-template
 - https://github.com/m5stack
 - https://github.com/matthew-5pl
 - https://github.com/bmorcelli
-- https://github.com/7h30th3r0n3
+- https://github.com/7h30th3r0n3

demo_rust/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "demo_rust"
+version = "0.1.0"
+authors = ["Your Name <you@example.com>"]
+edition = "2018"
+
+[dependencies]
+esp-idf-sys = "0.25.0"
+esp-idf-hal = "0.25.0"
+esp-idf-svc = "0.25.0"
+esp-idf = "0.25.0"
+log = "0.4"
+anyhow = "1.0"

demo_rust/src/main.rs

@@ -0,0 +1,19 @@
+use esp_idf_sys as _; // If using the `std` feature of `esp-idf-sys`, always keep this module imported
+use esp_idf_hal::prelude::*;
+use esp_idf_hal::gpio::{Gpio2, Output};
+
+fn main() -> anyhow::Result<()> {
+    esp_idf_sys::link_patches();
+
+    let peripherals = Peripherals::take().unwrap();
+    let pins = peripherals.pins;
+
+    let mut led = pins.gpio2.into_output()?;
+
+    loop {
+        led.set_high()?;
+        std::thread::sleep(std::time::Duration::from_millis(1000));
+        led.set_low()?;
+        std::thread::sleep(std::time::Duration::from_millis(1000));
+    }
+}