commit 51ee455fe732161e71df729d310431cd8c683001
Author: Astro <astro@spaceboyz.net>
Date:   Thu Mar 7 16:27:33 2019 +0100

    create nix build infrastructure

diff --git a/.cargo/config b/.cargo/config
new file mode 100644
index 0000000..7eb2ed4
--- /dev/null
+++ b/.cargo/config
@@ -0,0 +1,12 @@
+[target.thumbv7em-none-eabihf]
+runner = 'gdb'
+rustflags = [
+  "-C", "link-arg=-Tlink.x",
+]
+
+[build]
+# Pick ONE of these compilation targets
+# target = "thumbv6m-none-eabi"    # Cortex-M0 and Cortex-M0+
+# target = "thumbv7m-none-eabi"    # Cortex-M3
+# target = "thumbv7em-none-eabi"   # Cortex-M4 and Cortex-M7 (no FPU)
+target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ff69d57
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+target/
+result
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..43612c6
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,308 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "adc2tcp"
+version = "0.0.0"
+dependencies = [
+ "aligned 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-semihosting 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "panic-itm 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stm32-eth 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stm32f429 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "aligned"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "aligned"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "as-slice 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "as-slice"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "bare-metal"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "bitflags"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "byteorder"
+version = "1.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "cfg-if"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "cortex-m"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aligned 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bare-metal 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cortex-m-rt"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cortex-m-rt-macros 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "r0 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cortex-m-rt-macros"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.27 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "cortex-m-semihosting"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cortex-m 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "generic-array"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "log"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "log"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "managed"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "panic-itm"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cortex-m 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "0.4.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "quote"
+version = "0.6.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "r0"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "rand"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "smoltcp"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "managed 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "stable_deref_trait"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "stm32-eth"
+version = "0.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aligned 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-semihosting 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smoltcp 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stm32f429 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "volatile-register 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "stm32f429"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bare-metal 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cortex-m-rt 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "syn"
+version = "0.15.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "typenum"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "vcell"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "volatile-register"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "vcell 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..ae0597b
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,37 @@
+[package]
+categories = ["embedded", "no-std"]
+name = "adc2tcp"
+description = "Poll ADC pin, report over TCP"
+license = "Apache-2.0"
+authors = ["Astro <astro@spaceboyz.net>"]
+version = "0.0.0"
+keywords = ["ethernet", "eth", "stm32", "adc", "tcp"]
+#repository = "https://github.com/astro/adc2tcp"
+#documentation = "https://docs.rs/adc2tcp/"
+edition = "2018"
+
+[badges]
+travis-ci = { repository = "astro/adc2tcp", branch = "master" }
+maintenance = { status = "experimental" }
+
+[package.metadata.docs.rs]
+features = []
+default-target = "thumbv7em-none-eabihf"
+
+[dependencies]
+volatile-register = "0.2"
+aligned = "0.3"
+panic-itm = "0.4"
+
+cortex-m = "0.5"
+cortex-m-rt = { version = "0.6", features = ["device"] }
+cortex-m-semihosting = "0.3"
+
+stm32f429 = { version = "0.6.1", features = ["rt"] }
+stm32-eth = { version = "0.0.1", features = ["target-stm32f429", "smoltcp-phy"] }
+smoltcp = { version = "0.5.0", default-features = false, features = ["proto-ipv4", "proto-ipv6", "socket-icmp", "socket-udp", "socket-tcp", "log", "verbose"] }
+
+
+[profile.release]
+debug = 2
+lto = true
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..98f603e
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,18 @@
+use std::env;
+use std::fs::File;
+use std::io::Write;
+use std::path::PathBuf;
+
+fn main() {
+    // Put the linker script somewhere the linker can find it
+    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    File::create(out.join("memory.x"))
+        .unwrap()
+        .write_all(include_bytes!("memory.x"))
+        .unwrap();
+    println!("cargo:rustc-link-search={}", out.display());
+
+    // Only re-run the build script when memory.x is changed,
+    // instead of when any part of the source code changes.
+    println!("cargo:rerun-if-changed=memory.x");
+}
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..ec582ee
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,8 @@
+let
+  mozillaOverlay = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
+in
+with import <nixpkgs> { overlays = [ mozillaOverlay ]; };
+let
+  rustPlatform = recurseIntoAttrs (callPackage (import ./nix/rustPlatform.nix) {});
+in
+callPackage (import ./nix/adc2tcp.nix) { inherit rustPlatform; }
diff --git a/memory.x b/memory.x
new file mode 100644
index 0000000..a491849
--- /dev/null
+++ b/memory.x
@@ -0,0 +1,11 @@
+MEMORY
+{
+  FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 2048K
+  RAM (xrw)       : ORIGIN = 0x20000000, LENGTH = 112K
+  RAM2 (xrw)      : ORIGIN = 0x20010000, LENGTH = 16K
+  RAM3 (xrw)      : ORIGIN = 0x20020000, LENGTH = 64K
+  CCMRAM (rw)     : ORIGIN = 0x10000000, LENGTH = 64K
+}
+
+_stack_start = ORIGIN(RAM) + LENGTH(RAM);
+_heap_size = LENGTH(RAM) - 4K;
diff --git a/nix/adc2tcp.nix b/nix/adc2tcp.nix
new file mode 100644
index 0000000..140271b
--- /dev/null
+++ b/nix/adc2tcp.nix
@@ -0,0 +1,13 @@
+{ stdenv, rustPlatform }:
+
+with rustPlatform;
+
+buildRustPackage rec {
+  name = "adc2tcp";
+  version = "0.0.0";
+
+  src = ../.;
+  cargoSha256 = "0q3cn3jzgmrqiymisxymn19vbnnpsj7if052w5zh25x9ikin6lpl";
+
+  doCheck = false;
+}
diff --git a/nix/default.nix b/nix/default.nix
new file mode 100644
index 0000000..b949f2b
--- /dev/null
+++ b/nix/default.nix
@@ -0,0 +1,16 @@
+{ stdenv, callPackage }:
+
+let
+  adc2tcp = callPackage (import ./adc2tcp.nix) {};
+in
+stdenv.mkDerivation {
+  name = "adc2tcp";
+  buildInputs = [
+    adc2tcp
+  ];
+  src = ./.;
+  noBuild = true;
+  installPhase = ''
+    find ${adc2tcp} -type f
+  '';
+}
diff --git a/nix/rustPlatform.nix b/nix/rustPlatform.nix
new file mode 100644
index 0000000..5c39ca1
--- /dev/null
+++ b/nix/rustPlatform.nix
@@ -0,0 +1,16 @@
+{ recurseIntoAttrs, makeRustPlatform, rustChannelOfTargets, rustChannel ? "nightly" }:
+
+let
+  targets = [
+    # "x86_64-unknown-linux-gnu"
+    # "thumbv6m-none-eabi"
+    # "thumbv7em-none-eabi"
+    "thumbv7em-none-eabihf"
+  ];
+  rust = builtins.trace "Selected channel ${rustChannel}"
+    rustChannelOfTargets rustChannel null targets;
+in
+makeRustPlatform {
+  rustc = rust;
+  cargo = rust;
+}
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..49abe07
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,25 @@
+{ rustChannel ? "nightly" }:
+
+let
+  mozillaOverlay = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
+in
+with import <nixpkgs> { overlays = [ mozillaOverlay ]; };
+let
+  rustPlatform = recurseIntoAttrs (
+    callPackage (import ./nix/rustPlatform.nix) { inherit rustChannel; }
+  );
+in
+# mkShell {
+#   inputsFrom = with rustPlatform.rust; [
+#     rustc cargo
+#   ];
+# }
+stdenv.mkDerivation {
+  name = "adc2tcp-env";
+  buildInputs = with rustPlatform.rust; [
+    rustc cargo
+  ];
+
+  # Set Environment Variables
+  RUST_BACKTRACE = 1;
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..69f0d32
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,18 @@
+#![no_std]
+#![no_main]
+
+// extern crate cortex_m;
+// extern crate cortex_m_rt;
+// extern crate cortex_m_semihosting;
+extern crate stm32f429 as board;
+// extern crate stm32_eth as eth;
+// extern crate smoltcp;
+#[allow(unused_extern_crates)]
+extern crate panic_itm;
+
+use cortex_m_rt::entry;
+
+#[entry]
+fn main() -> ! {
+    loop {}
+}