rust裸机开发esp32c3 安装esp-generate# 安装新版生成工具 cargo install esp-generate # 安装依赖工具链 cargo install espup espup install激活环境变量source $HOME/export-esp.sh # linuxWindows用户默认在C:\Users\HOME目录下有一个 export-esp.ps1文件，双击执行激活环境变量使用esp-genertate 创建新项目esp-generate --chip=esp32c3 demo这个项目是个hello world项目，不需要额外的配置，接着按s创建项目添加依赖在Cargo.toml的[dependencies]添加println依赖esp-println = { version = "0.13.1",features = ["esp32c3","log"] }点亮LED修改mian.rs点亮一个led#![no_std] #![no_main] use esp_hal::clock::CpuClock; use esp_hal::gpio::{Level, Output, OutputConfig}; use esp_hal::main; use esp_hal::time::{Duration, Instant}; use esp_println::println; #[panic_handler] fn panic(_: &core::panic::PanicInfo) -> ! { loop {} } #[main] fn main() -> ! { // generator version: 0.3.1 let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max()); let peripherals = esp_hal::init(config); let mut led = Output::new(peripherals.GPIO9, Level::Low, OutputConfig::default()); let mut count = 0; loop { let delay_start = Instant::now(); led.toggle(); println!("第{count}次数改变led状态"); count+=1; while delay_start.elapsed() < Duration::from_millis(1500) {} } // for inspiration have a look at the examples at https://github.com/esp-rs/esp-hal/tree/esp-hal-v1.0.0-beta.0/examples/src/bin } 成功打印日志

rust开发esp32c3驱动oled屏幕 使用的是 I2C SSD1306 0.96寸的OLED屏幕1.在Cargo.toml中添加图形库依赖# 处理ssd1306屏幕 ssd1306 = {version = "0.10.0",features = ["graphics"]} embedded-graphics = "0.8.1"完整配置 Cargo.toml[package] name = "esp32c3-oled-demo" version = "0.1.0" authors = ["suxii <m@suxii.cn>"] edition = "2021" resolver = "2" rust-version = "1.77" [[bin]] name = "esp32c3-oled-demo" harness = false # do not use the built in cargo test harness -> resolve rust-analyzer errors [features] default = [] experimental = ["esp-idf-svc/experimental"] [dependencies] log = "0.4" esp-idf-svc = { version = "0.51", features = ["critical-section", "embassy-time-driver", "embassy-sync","experimental","std"] } futures = "0.3.31" anyhow = "1.0.98" esp-idf-hal = "0.45.2" # 处理ssd1306屏幕 ssd1306 = {version = "0.10.0",features = ["graphics"]} embedded-graphics = "0.8.1" [build-dependencies] embuild = "0.33" 2.在main.rs中编写rust代码use esp_idf_hal::{ delay::FreeRtos, i2c::*, peripherals::Peripherals, prelude::*, }; use embedded_graphics::{ mono_font::{ascii::FONT_6X10, MonoTextStyle}, pixelcolor::BinaryColor, prelude::*, primitives::{Circle, Line, PrimitiveStyle, Rectangle}, text::Text }; use ssd1306::{I2CDisplayInterface, Ssd1306, prelude::*, size::DisplaySize128x64}; fn main() -> anyhow::Result<()> { esp_idf_hal::sys::link_patches(); // 初始化外设 let peripherals = Peripherals::take()?; // 配置I2C let i2c = peripherals.i2c0; let sda = peripherals.pins.gpio5; let scl = peripherals.pins.gpio6; let config = I2cConfig::new().baudrate(400.kHz().into()); let i2c = I2cDriver::new(i2c, sda, scl, &config)?; // 创建SSD1306接口 let interface = I2CDisplayInterface::new(i2c); let mut display = Ssd1306::new( interface, DisplaySize128x64, DisplayRotation::Rotate0 ).into_buffered_graphics_mode(); // 初始化显示屏 display.init().expect("SSD1306 init failed"); display.flush().expect("Failed to flush display"); // 创建图形样式 let text_style = MonoTextStyle::new(&FONT_6X10, BinaryColor::On); let line_style = PrimitiveStyle::with_stroke(BinaryColor::On, 1); let mut run_x = 64; loop { // 清空屏幕 display.clear(BinaryColor::Off).unwrap(); // 绘制边框 Rectangle::new(Point::new(0, 0), Size::new(128, 64)) .into_styled(line_style) .draw(&mut display).unwrap(); // 绘制文本 Text::new("Hello Rust!", Point::new(10, 15), text_style) .draw(&mut display).unwrap(); // 绘制直线 Line::new(Point::new(10, 25), Point::new(118, 25)) .into_styled(line_style) .draw(&mut display).unwrap(); // 绘制圆形 if run_x > 128 { run_x = 0 } run_x+=10; Circle::new(Point::new(run_x, 40), 20) .into_styled(line_style) .draw(&mut display).unwrap(); // 更新显示 display.flush().expect("Failed to flush display"); // 间隔2秒 FreeRtos::delay_ms(2000); } }3.接线 SSD1306SDA -> io05SCL -> io06VCC -> 5vGND -> GND4.效果展示

esp32c3自动配网 在 esp32-c3 rust使用docker编译 新建项目的基础上，引入必要的依赖Cargo.toml[dependencies] log = { version = "0.4", default-features = false } esp-idf-svc = { version = "0.49", default-features = false } # 添加http的依赖 anyhow = "=1.0.86" embedded-svc = "=0.28.0" # json处理 serde = { version = "1.0", features = ["derive"] } # 序列化，支持多种，xml，json等 serde_json = "1.0" # 专门处理json格式 新建一个跟main.rs同级的配网文件，auto_set_wifi.rs然后在main.rs文件中引用mod auto_set_wifi;编写自动配网rust代码 // 引入配网页面的html文件 static INDEX_HTML: &str = include_str!("../index.html"); // 设置nvs存储的参数 static WIFI_INFO_KEY: &str = "WIFI_INFO"; static NAME_SPACE: &str = "ESP_WIFI"; // 默认ap模式下的配置信息 static AP_WIFO_INFO: WifiInfo<'static> = WifiInfo { ssid: "esp32_c3_wifi", password: "00000000", }; #[derive(Debug, Deserialize, Serialize)] struct WifiInfo<'a> { ssid: &'a str, password: &'a str, } pub fn start_auto_wifi() -> anyhow::Result<()> { // 自动配网，需要先开启ap模式，让手机连上esp32的热点 let peripherals = Peripherals::take()?; let sysloop = EspEventLoop::take()?; let nvs = EspDefaultNvsPartition::take()?; let mut wifi = BlockingWifi::wrap( EspWifi::new(peripherals.modem, sysloop.clone(), Some(nvs.clone()))?, sysloop.clone(), )?; wifi.set_configuration(&esp_idf_svc::wifi::Configuration::AccessPoint( AccessPointConfiguration { ssid: AP_WIFO_INFO.ssid.try_into().unwrap(), password: AP_WIFO_INFO.password.try_into().unwrap(), auth_method: esp_idf_svc::wifi::AuthMethod::WPA2Personal, ..Default::default() }, ))?; // 由于wifi，跟nvs在后面的函数也需要被调用，所有权不能丢弃，需要用安全的智能指针进行接管 let wifi = Arc::new(Mutex::new(wifi)); let nvs = Arc::new(Mutex::new(EspNvs::new(nvs, NAME_SPACE, true)?)); let temp_wifi = wifi.clone(); let temp_nvs = nvs.clone(); let mut buf = [0;128]; log::warn!("正在查找是否存在配网信息..."); if let Err(_) = nvs.lock().unwrap().get_raw(WIFI_INFO_KEY, &mut buf) { log::info!("不存在配网信息，开启ap模式"); let mut temp_wifi = temp_wifi.lock().unwrap(); temp_wifi.start()?; log::info!("开启wifi"); temp_wifi.wait_netif_up()?; log::info!("等待底层网络分配"); log::info!("WiFi信息为：{:?}", temp_wifi.wifi().ap_netif().get_ip_info()); } else { log::info!("存在配网信息，开启混合模式"); let _ = std::thread::spawn(|| start_muxt_mode(temp_wifi, temp_nvs)); } // 配网页面路由 let temp_nvs = nvs.clone(); let mut server = EspHttpServer::new(&ServerConfig::default())?; server.fn_handler("/", esp_idf_svc::http::Method::Get, |request| { request .into_ok_response() .unwrap() .write_all(INDEX_HTML.as_bytes()) })?; // 提交配网的表单信息 server.fn_handler( "/wifi", esp_idf_svc::http::Method::Post, move |mut request| { let len = request.content_len().unwrap() as usize; let mut buf = vec![0; len]; request.read_exact(&mut buf).unwrap(); let temp_nvs = temp_nvs.clone(); let mut response = request.into_ok_response().unwrap(); let raw = temp_nvs.lock().unwrap().set_raw(WIFI_INFO_KEY, &buf); if let true = raw.unwrap_or(false) { response.write_all(b"{\"msg\":\"success\"}").unwrap(); } else { response.write_all(b"{\"msg\":\"faiture\"}").unwrap(); } response.flush().unwrap(); Ok(()) }, )?; // 查看nvs里保存的配网信息 let temp_nvs = nvs.clone(); server.fn_handler("/nvs", esp_idf_svc::http::Method::Get, move |request| { let temp_nvs = temp_nvs.clone(); let mut buf = [0; 128]; let mut response = request.into_ok_response().unwrap(); if let Option::None = temp_nvs .lock() .unwrap() .get_raw(WIFI_INFO_KEY, &mut buf) .unwrap_or(Option::None) { response.write_all(b"{\"msg\":\"faiure\"}").unwrap(); } else { let end = buf.iter().position(|&x| x == 0).unwrap_or(buf.len()); let res = String::from_utf8_lossy(&buf[..end]); let wifi_info = serde_json::from_slice::<WifiInfo>(&buf[..end]).unwrap(); log::error!("WiFi信息为：{:?}", wifi_info); response.write_all(res.as_bytes()).unwrap(); } response.flush() })?; // 开启混合模式路由 let temp_wifi = wifi.clone(); let temp_nvs = nvs.clone(); server.fn_handler("/muxt", esp_idf_svc::http::Method::Get, move |request| { request.into_ok_response().unwrap().write(b"okk").unwrap(); let (temp_wifi, temp_nvs) = (temp_wifi.clone(), temp_nvs.clone()); let _ = std::thread::spawn(|| start_muxt_mode(temp_wifi, temp_nvs)); Ok(()) })?; // 删除nvs的配置信息 let temp_nvs = nvs.clone(); server.fn_handler("/del", esp_idf_svc::http::Method::Get, move |request| { let mut response = request.into_ok_response().unwrap(); let mut temp_nvs = temp_nvs.lock().unwrap(); if let Err(e) = temp_nvs.remove(WIFI_INFO_KEY) { response.write_all(format!("delete faiure，{e}").as_bytes()) }else{ response.write_all(b"delete success") } })?; forget(server); forget(wifi); Ok(()) } pub fn start_muxt_mode( wifi: Arc<Mutex<BlockingWifi<EspWifi>>>, nvs: Arc<Mutex<EspNvs<NvsDefault>>> )-> anyhow::Result<()> { // 启动混合模式 log::info!("延迟500毫秒执行"); FreeRtos::delay_ms(500); log::info!("开始配置"); let mut wifi = wifi.lock().unwrap(); let nvs = nvs.lock().unwrap(); // 重试连接的次数 let mut retry = 5; loop { if retry < 0 { log::error!("尝试剩余{retry}次后，连接失败"); break; } if wifi.is_started()? { if let Err(_) = wifi.stop() { log::error!("断开wifi连接失败,剩余{}次重试",retry); retry-=1; continue; } log::info!("断开wifi"); } let mut buf = [0; 128]; if let Option::None = nvs.get_raw(WIFI_INFO_KEY, &mut buf).unwrap_or(Option::None) { log::error!("获取WiFi信息失败,剩余{}次重试",retry); } let end = buf.iter().position(|&x| x == 0).unwrap_or(buf.len()); let wifi_info = serde_json::from_slice::<WifiInfo>(&buf[..end]).unwrap(); log::warn!("WiFi信息为：{:?}", wifi_info); let client_config = ClientConfiguration { ssid: wifi_info.ssid.try_into().unwrap(), password: wifi_info.password.try_into().unwrap(), ..Default::default() }; let ap_config = AccessPointConfiguration { ssid: AP_WIFO_INFO.ssid.try_into().unwrap(), password: AP_WIFO_INFO.password.try_into().unwrap(), auth_method: esp_idf_svc::wifi::AuthMethod::WPA2Personal, ..Default::default() }; wifi.set_configuration(&esp_idf_svc::wifi::Configuration::Mixed( client_config, ap_config, ))?; log::info!("启动wifi"); wifi.start()?; log::info!("等待网络连接"); if let Err(e) = wifi.connect() { log::error!("连接失败：{e},剩余{}次连接尝试", retry); retry -= 1; continue; } log::info!("等待底层网络驱动处理"); if let Err(e) = wifi.wait_netif_up() { log::error!("等待底层网络驱动处理失败，{e}，剩余{}次重试",retry); } break; } log::info!("Ap模式信息为：{:?}", wifi.wifi().ap_netif().get_ip_info()); log::info!("Ip信息为：{:?}", wifi.wifi().sta_netif().get_ip_info()); Ok(()) } 在main.rs中调用fn main() { // It is necessary to call this function once. Otherwise some patches to the runtime // implemented by esp-idf-sys might not link properly. See https://github.com/esp-rs/esp-idf-template/issues/71 esp_idf_svc::sys::link_patches(); // Bind the log crate to the ESP Logging facilities esp_idf_svc::log::EspLogger::initialize_default(); start_auto_wifi().unwrap(); }配网的html页面代码<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>esp32配网页面</title> <style> body { font-family: Arial, sans-serif; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; background-color: #f4f4f9; } .login-container { width: 300px; padding: 20px; background-color: #fff; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); border-radius: 8px; } .login-container h2 { text-align: center; margin-bottom: 20px; color: #333; } .login-container input { width: 100%; padding: 10px; margin: 10px 0; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } .login-container button { width: 100%; padding: 10px; background-color: #4CAF50; border: none; color: #fff; border-radius: 4px; cursor: pointer; font-size: 16px; } .login-container button:hover { background-color: #45a049; } </style> </head> <body> <div class="login-container"> <h2>配网页面</h2> <form id="loginForm"> <input type="text" id="username" placeholder="ssid" required> <input type="password" id="password" placeholder="密码" required> <button type="button" onclick="submitForm()">提交</button> </form> </div> <script> function submitForm() { const ssid = document.getElementById('username').value; const password = document.getElementById('password').value; fetch(window.location.origin + '/wifi', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ ssid, password }) }) .then(response => response.json()) .then(data => { // 在此处理响应数据 alert(data.msg); if (data.msg === "success"){ fetch(window.location.origin + '/muxt'); } console.log('成功:', data); }) .catch(error => { console.error('错误:', error); }); } </script> </body> </html>