Compare commits
No commits in common. "cb3df1cade1ffad774d618a7c7cbde9236d19bff" and "92576855536436318aecb0dc99852dbc153e3253" have entirely different histories.
cb3df1cade
...
9257685553
12 changed files with 1 additions and 1827 deletions
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@ -1,8 +0,0 @@
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[build]
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target = "thumbv6m-none-eabi"
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[env]
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DEFMT_LOG = "debug"
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[target.'cfg(all(target_arch = "arm", target_os = "none"))']
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runner = "elf2uf2-rs -d"
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1482
Cargo.lock
generated
1482
Cargo.lock
generated
File diff suppressed because it is too large
Load diff
22
Cargo.toml
22
Cargo.toml
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@ -1,22 +0,0 @@
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[package]
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name = "picow"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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cortex-m-rt = "*"
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cyw43 = "*"
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cyw43-pio = "*"
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defmt = "*"
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defmt-rtt = "*"
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embassy-executor = { version = "*", features = ["arch-cortex-m", "defmt", "executor-interrupt", "executor-thread", "integrated-timers"] }
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embassy-rp = { version = "*", features = ["critical-section-impl", "defmt", "time-driver"] }
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embassy-time = { version = "*", features = ["defmt", "defmt-timestamp-uptime"] }
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panic-probe = { version = "*", features = ["print-defmt"] }
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portable-atomic = { version = "*", features = ["critical-section"] }
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static_cell = "*"
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[profile.release]
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debug = 2
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lto = true
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opt-level = "z"
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12
README.md
12
README.md
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@ -1,12 +1,2 @@
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# Picow
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# picow
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My first attempt on embedded system.
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## Hardware
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[Raspberry Pi Pico WH](https://www.raspberrypi.com/products/raspberry-pi-pico)
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## Software
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Rust [Embassy](https://embassy.dev/)
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36
build.rs
36
build.rs
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@ -1,36 +0,0 @@
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//! This build script copies the `memory.x` file from the crate root into
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//! a directory where the linker can always find it at build time.
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//! For many projects this is optional, as the linker always searches the
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//! project root directory -- wherever `Cargo.toml` is. However, if you
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//! are using a workspace or have a more complicated build setup, this
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//! build script becomes required. Additionally, by requesting that
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//! Cargo re-run the build script whenever `memory.x` is changed,
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//! updating `memory.x` ensures a rebuild of the application with the
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//! new memory settings.
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use std::env;
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use std::fs::File;
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use std::io::Write;
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use std::path::PathBuf;
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fn main() {
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// Put `memory.x` in our output directory and ensure it's
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// on the linker search path.
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let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
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File::create(out.join("memory.x"))
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.unwrap()
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.write_all(include_bytes!("memory.x"))
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.unwrap();
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println!("cargo:rustc-link-search={}", out.display());
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// By default, Cargo will re-run a build script whenever
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// any file in the project changes. By specifying `memory.x`
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// here, we ensure the build script is only re-run when
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// `memory.x` is changed.
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println!("cargo:rerun-if-changed=memory.x");
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println!("cargo:rustc-link-arg-bins=--nmagic");
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println!("cargo:rustc-link-arg-bins=-Tlink.x");
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println!("cargo:rustc-link-arg-bins=-Tlink-rp.x");
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println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
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}
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130
flake.lock
generated
130
flake.lock
generated
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@ -1,130 +0,0 @@
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{
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"nodes": {
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"crane": {
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"locked": {
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"lastModified": 1728344376,
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"narHash": "sha256-lxTce2XE6mfJH8Zk6yBbqsbu9/jpwdymbSH5cCbiVOA=",
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"owner": "ipetkov",
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"repo": "crane",
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"rev": "fd86b78f5f35f712c72147427b1eb81a9bd55d0b",
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"type": "github"
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},
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"original": {
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"owner": "ipetkov",
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"repo": "crane",
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"type": "github"
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}
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},
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"fenix": {
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"inputs": {
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"nixpkgs": "nixpkgs",
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"rust-analyzer-src": "rust-analyzer-src"
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},
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"locked": {
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"lastModified": 1728628307,
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"narHash": "sha256-GRMRHZyU+R0RqKPFFgi7BBMDIRFPnHaAhOIxlqyvbZQ=",
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"owner": "nix-community",
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"repo": "fenix",
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"rev": "b0a014d5b9dba793ebc205bcf12a93b5f6a4c66c",
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"type": "github"
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},
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"original": {
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"owner": "nix-community",
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"repo": "fenix",
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"type": "github"
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}
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},
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"flake-utils": {
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"inputs": {
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"systems": "systems"
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},
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"locked": {
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"lastModified": 1726560853,
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"narHash": "sha256-X6rJYSESBVr3hBoH0WbKE5KvhPU5bloyZ2L4K60/fPQ=",
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"owner": "numtide",
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"repo": "flake-utils",
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||||||
"rev": "c1dfcf08411b08f6b8615f7d8971a2bfa81d5e8a",
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"type": "github"
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||||||
},
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"original": {
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"owner": "numtide",
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"repo": "flake-utils",
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"type": "github"
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}
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},
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"nixpkgs": {
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"locked": {
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"lastModified": 1728492678,
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"narHash": "sha256-9UTxR8eukdg+XZeHgxW5hQA9fIKHsKCdOIUycTryeVw=",
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"owner": "nixos",
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"repo": "nixpkgs",
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||||||
"rev": "5633bcff0c6162b9e4b5f1264264611e950c8ec7",
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||||||
"type": "github"
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||||||
},
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||||||
"original": {
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"owner": "nixos",
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||||||
"ref": "nixos-unstable",
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"repo": "nixpkgs",
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"type": "github"
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||||||
}
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},
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"nixpkgs_2": {
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"locked": {
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"lastModified": 1728538411,
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"narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
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"owner": "NixOS",
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||||||
"repo": "nixpkgs",
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||||||
"rev": "b69de56fac8c2b6f8fd27f2eca01dcda8e0a4221",
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"type": "github"
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||||||
},
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"original": {
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"owner": "NixOS",
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"ref": "nixpkgs-unstable",
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"repo": "nixpkgs",
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"type": "github"
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||||||
}
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},
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"root": {
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"inputs": {
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"crane": "crane",
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"fenix": "fenix",
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"flake-utils": "flake-utils",
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"nixpkgs": "nixpkgs_2"
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}
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},
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"rust-analyzer-src": {
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"flake": false,
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"locked": {
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"lastModified": 1728505432,
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"narHash": "sha256-QFPMazeiGLo7AGy4RREmTgko0Quch/toMVKhGUjDEeo=",
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"owner": "rust-lang",
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"repo": "rust-analyzer",
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"rev": "0fb804acb375b02a3beeaceeb75b71969ef37b15",
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"type": "github"
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||||||
},
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"original": {
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"owner": "rust-lang",
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"ref": "nightly",
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"repo": "rust-analyzer",
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"type": "github"
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||||||
}
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||||||
},
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"systems": {
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"locked": {
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||||||
"lastModified": 1681028828,
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||||||
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
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||||||
"owner": "nix-systems",
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"repo": "default",
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||||||
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
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||||||
"type": "github"
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|
||||||
},
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||||||
"original": {
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||||||
"owner": "nix-systems",
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||||||
"repo": "default",
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||||||
"type": "github"
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||||||
}
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||||||
}
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},
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"root": "root",
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"version": 7
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}
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33
flake.nix
33
flake.nix
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@ -1,33 +0,0 @@
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{
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inputs = {
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crane.url = "github:ipetkov/crane";
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flake-utils.url = "github:numtide/flake-utils";
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fenix.url = "github:nix-community/fenix";
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nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
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|
||||||
};
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||||||
|
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||||||
outputs = {
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|
||||||
self,
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||||||
crane,
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||||||
fenix,
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||||||
flake-utils,
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||||||
nixpkgs,
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|
||||||
}:
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flake-utils.lib.eachDefaultSystem (system: let
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pkgs = nixpkgs.legacyPackages.${system};
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||||||
fenixPkgs = fenix.packages.${system};
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||||||
fenixToolchain = fenixPkgs.fromToolchainFile {
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||||||
dir = ./.;
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||||||
sha256 = "sha256-HAFn+jo7K/dwbCKRHNXQU+x9b+8LJ8xlQGL/tE0rNlE=";
|
|
||||||
};
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|
||||||
craneLib = (crane.mkLib pkgs).overrideToolchain fenixToolchain;
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in {
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||||||
devShells.default = craneLib.devShell {
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|
||||||
packages = with pkgs; [
|
|
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elf2uf2-rs
|
|
||||||
fenixPkgs.rust-analyzer
|
|
||||||
];
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||||||
RUST_SRC_PATH = "${fenixPkgs.complete.rust-src}/lib/rustlib/src/rust/library";
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|
||||||
};
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||||||
});
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||||||
}
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17
memory.x
17
memory.x
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|
@ -1,17 +0,0 @@
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MEMORY {
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BOOT2 : ORIGIN = 0x10000000, LENGTH = 0x100
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FLASH : ORIGIN = 0x10000100, LENGTH = 2048K - 0x100
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||||||
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||||||
/* Pick one of the two options for RAM layout */
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||||||
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||||||
/* OPTION A: Use all RAM banks as one big block */
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||||||
/* Reasonable, unless you are doing something */
|
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||||||
/* really particular with DMA or other concurrent */
|
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||||||
/* access that would benefit from striping */
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RAM : ORIGIN = 0x20000000, LENGTH = 264K
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||||||
/* OPTION B: Keep the unstriped sections separate */
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||||||
/* RAM: ORIGIN = 0x20000000, LENGTH = 256K */
|
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||||||
/* SCRATCH_A: ORIGIN = 0x20040000, LENGTH = 4K */
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||||||
/* SCRATCH_B: ORIGIN = 0x20041000, LENGTH = 4K */
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||||||
}
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||||||
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@ -1,4 +0,0 @@
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[toolchain]
|
|
||||||
channel = "nightly"
|
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||||||
targets = ["thumbv6m-none-eabi"]
|
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||||||
profile = "complete"
|
|
||||||
Binary file not shown.
Binary file not shown.
84
src/main.rs
84
src/main.rs
|
|
@ -1,84 +0,0 @@
|
||||||
#![no_std]
|
|
||||||
#![no_main]
|
|
||||||
|
|
||||||
use cyw43_pio::PioSpi;
|
|
||||||
use defmt::*;
|
|
||||||
use defmt_rtt as _;
|
|
||||||
use embassy_executor::Spawner;
|
|
||||||
use embassy_rp::{
|
|
||||||
bind_interrupts,
|
|
||||||
gpio::{Level, Output},
|
|
||||||
peripherals::{DMA_CH0, PIO0},
|
|
||||||
pio::{InterruptHandler, Pio},
|
|
||||||
};
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||||||
use embassy_time::Timer;
|
|
||||||
use panic_probe as _;
|
|
||||||
use static_cell::StaticCell;
|
|
||||||
|
|
||||||
// bind interrupt request to handler
|
|
||||||
bind_interrupts!(struct Irqs {
|
|
||||||
PIO0_IRQ_0 => InterruptHandler<PIO0>;
|
|
||||||
});
|
|
||||||
|
|
||||||
// network task
|
|
||||||
#[embassy_executor::task]
|
|
||||||
async fn cyw43_task(
|
|
||||||
runner: cyw43::Runner<'static, Output<'static>, PioSpi<'static, PIO0, 0, DMA_CH0>>,
|
|
||||||
) -> ! {
|
|
||||||
runner.run().await
|
|
||||||
}
|
|
||||||
|
|
||||||
#[embassy_executor::main]
|
|
||||||
async fn main(spawner: Spawner) {
|
|
||||||
// hardware abstraction layer
|
|
||||||
let hal = embassy_rp::init(Default::default());
|
|
||||||
|
|
||||||
// wireless firmware binary
|
|
||||||
let fw = include_bytes!("./firmware/43439A0.bin");
|
|
||||||
|
|
||||||
// wireless country locale matrix
|
|
||||||
let clm = include_bytes!("./firmware/43439A0_clm.bin");
|
|
||||||
|
|
||||||
// wireless power on signal
|
|
||||||
let pwr = Output::new(hal.PIN_23, Level::Low);
|
|
||||||
|
|
||||||
// wireless serial peripheral interface chip select
|
|
||||||
let cs = Output::new(hal.PIN_25, Level::High);
|
|
||||||
|
|
||||||
// programmed input/output
|
|
||||||
let mut pio = Pio::new(hal.PIO0, Irqs);
|
|
||||||
|
|
||||||
// programmed serial peripheral interface
|
|
||||||
let spi = PioSpi::new(
|
|
||||||
&mut pio.common,
|
|
||||||
pio.sm0,
|
|
||||||
pio.irq0,
|
|
||||||
cs,
|
|
||||||
hal.PIN_24,
|
|
||||||
hal.PIN_29,
|
|
||||||
hal.DMA_CH0,
|
|
||||||
);
|
|
||||||
|
|
||||||
// wireless driver state
|
|
||||||
static STATE: StaticCell<cyw43::State> = StaticCell::new();
|
|
||||||
let state = STATE.init(cyw43::State::new());
|
|
||||||
|
|
||||||
// spawn network task
|
|
||||||
let (_, mut control, runner) = cyw43::new(state, pwr, spi, fw).await;
|
|
||||||
unwrap!(spawner.spawn(cyw43_task(runner)));
|
|
||||||
|
|
||||||
// initialize wireless
|
|
||||||
control.init(clm).await;
|
|
||||||
control
|
|
||||||
.set_power_management(cyw43::PowerManagementMode::PowerSave)
|
|
||||||
.await;
|
|
||||||
|
|
||||||
// time to blink
|
|
||||||
let mut led = false;
|
|
||||||
loop {
|
|
||||||
info!("Blink!");
|
|
||||||
led = !led;
|
|
||||||
control.gpio_set(0, led).await;
|
|
||||||
Timer::after_secs(1).await;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue