Initial commit.

Added:

* Working code to get serial port list.

Author: jaredwolff

.github/workflows/main.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  create-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: taiki-e/create-gh-release-action@v1
+        with:
+          changelog: CHANGELOG.md
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  upload-assets:
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install libudev-dev
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: sudo apt-get install -y libudev-dev
+      - uses: taiki-e/upload-rust-binary-action@v1
+        with:
+          # (required)
+          bin: zephyr-tools-monitor
+          # (optional) On which platform to distribute the `.tar.gz` file.
+          # [default value: unix]
+          # [possible values: all, unix, windows, none]
+          tar: unix
+          # (optional) On which platform to distribute the `.zip` file.
+          # [default value: windows]
+          # [possible values: all, unix, windows, none]
+          zip: windows
+          # (optional) Archive name (non-extension portion of filename) to be uploaded.
+          # [default value: $bin-$target]
+          # [possible values: the following variables and any string]
+          #   variables:
+          #     - $bin - Binary name (non-extension portion of filename).
+          #     - $target - Target triple.
+          #     - $tag - Tag of this release.
+          archive: $bin-$tag-$target
+        env:
+          # (required)
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

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+target

CHANGELOG.md

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+## [0.1.0]
+
+Initial release.
+
+### Added:
+
+* List functionality directly to JSON for easy parsing.

Cargo.lock

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+[package]
+name = "zephyr-tools-monitor"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+pico-args = "0.4.2"
+serde_json = "1.0.73"
+serialport = "4.0.1"

Cargo.toml

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+use serde_json;
+use serialport::available_ports;
+
+const HELP: &str = "\
+App
+USAGE:
+  app [OPTIONS]
+FLAGS:
+  -h, --help            Prints help information
+OPTIONS:
+  --list, -l            Lists serial ports avaiable
+ARGS:
+  <INPUT>
+";
+
+#[derive(Debug)]
+struct AppArgs {
+    list: bool,
+}
+
+fn parse_args() -> Result<AppArgs, pico_args::Error> {
+    let mut pargs = pico_args::Arguments::from_env();
+
+    // Help has a higher priority and should be handled separately.
+    if pargs.contains(["-h", "--help"]) {
+        print!("{}", HELP);
+        std::process::exit(0);
+    }
+
+    let args = AppArgs {
+        list: pargs.contains(["-l", "--list"]),
+    };
+
+    // It's up to the caller what to do with the remaining arguments.
+    let remaining = pargs.finish();
+    if !remaining.is_empty() {
+        eprintln!("Warning: unused arguments left: {:?}.", remaining);
+    }
+
+    Ok(args)
+}
+
+fn main() {
+    let args = match parse_args() {
+        Ok(v) => v,
+        Err(e) => {
+            eprintln!("Error: {}.", e);
+            std::process::exit(1);
+        }
+    };
+
+    if args.list {
+        match available_ports() {
+            Ok(ports) => {
+                // Get the portnames
+                let ports: Vec<String> = ports.iter().map(|x| x.port_name.clone()).collect();
+
+                // Turn them into a json string
+                let json = serde_json::to_string(&ports).unwrap();
+
+                // Print em
+                print!("{}", json);
+            }
+            Err(e) => {
+                eprintln!("{:?}", e);
+                eprintln!("Error listing serial ports");
+            }
+        }
+    }
+}