esp_install.md

Install espup tool:

cargo install espup
espup install

Init path

source ~/export-esp.sh

Init project:

cargo generate --git https://github.com/esp-rs/esp-template

cargo generate --git https://github.com/esp-rs/esp-idf-template cargo
🤷   Project Name: test
🔧   Destination: /tmp/test/test ...
🔧   project-name: test ...
🔧   Generating template ...
✔ 🤷   Configure project to use Dev Containers (VS Code, GitHub Codespaces and Gitpod)? (beware: Dev Containers not available for esp-idf v4.3.2) · false
✔ 🤷   STD support · false
✔ 🤷   ESP-IDF native build version (v4.3.2 = previous stable, v4.4 = stable, mainline = UNSTABLE) · v4.4
✔ 🤷   MCU · esp32
[ 1/10]   Done: .cargo/config.toml
[ 2/10]   Done: .cargo
[ 3/10]   Done: .gitignore
[ 4/10]   Done: .vscode
[ 5/10]   Done: Cargo.toml                                                                                                                                               [ 6/10]   Done: build.rs                                                                                                                                                 [ 7/10]   Done: rust-toolchain.toml                                                                                                                                      [ 8/10]   Done: sdkconfig.defaults                                                                                                                                       [ 9/10]   Done: src/main.rs                                                                                                                                              [10/10]   Done: src                                                                                                                                                      🔧   Moving generated files into: `/tmp/test/test`...
💡   Initializing a fresh Git repository
✨   Done! New project created /tmp/test/test

Build and run

cd test/
cargo build
cargo run

gistfile1.txt

https://kerkour.com/rust-on-esp32

gistfile2.txt

use core::fmt::Write;
use cortex_m_semihosting::hio;
use log::LevelFilter;
use log::{Level, Metadata, Record};

struct SimpleLogger;
static LOGGER: SimpleLogger = SimpleLogger;

impl log::Log for SimpleLogger {
    fn enabled(&self, metadata: &Metadata) -> bool {
        let res = metadata.level() <= Level::Debug;
        return res;
    }

    fn log(&self, record: &Record) {
        if self.enabled(record.metadata()) {
            // use cortex_m_semihosting::hio;
            let hstdout = hio::hstdout();
            if hstdout.is_ok() {
                writeln!(hstdout.unwrap(), "{} - {}", record.level(), record.args()).unwrap();
            }
        }
    }

    fn flush(&self) {}
}

pub fn init() {
    log::set_logger(&LOGGER)
        .map(|()| log::set_max_level(LevelFilter::Debug))
        .unwrap();
}

gistfile3.txt

[package]
authors = ["Eloy Coto <[email protected]>"]
edition = "2018"
readme = "README.md"
name = "chrono"
version = "0.1.0"

[dependencies]
cortex-m = "0.7.2"
cortex-m-rt = "0.7.2"
cortex-m-semihosting = "0.3.3"
panic-halt = "0.2.0"
nb = "1"
embedded-hal = "0.2.7"
heapless = "0.7.16"
log = "0.4.17"

# Uncomment for the panic example.
# panic-itm = "0.4.1"

# Uncomment for the allocator example.
# alloc-cortex-m = "0.4.0"

# Uncomment for the device example.
# Update `memory.x`, set target to `thumbv7em-none-eabihf` in `.cargo/config`,
# and then use `cargo build --examples device` to build it.
# [dependencies.stm32f3]
# features = ["stm32f303", "rt"]
# version = "0.7.1"

[dependencies.stm32f4xx-hal]
version = "0.14.0"
features = ["stm32f410"]

[dependencies.stm32f4]
features = ["stm32f410", "rt"]
version = "0.15.1"

# this lets you use `cargo fix`!
[[bin]]
name = "chrono"
test = false
bench = false

[profile.release]
codegen-units = 1 # better optimizations
debug = true # symbols are nice and they don't increase the size on Flash
lto = true # better optimizations

rust

```
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
```

Setup:
```
rustup update
rustup component add llvm-tools-preview
rustup target add thumbv7em-none-eabihf
cargo install cargo-binutils cargo-embed cargo-flash cargo-expand
cargo install cargo-generate
```
arm-toolchain
```
wget https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/10.3-2021.10/gcc-arm-none-eabi-10.3-2021.10-x86_64-linux.tar.bz2
```

Initialize:

```
https://docs.rust-embedded.org/book/start/qemu.html
```

```
cargo generate --git https://github.com/rust-embedded/cortex-m-quickstart --name stm
```