From 76b95f66e0e6494125d00716ab81e65f2908afb1 Mon Sep 17 00:00:00 2001
From: atse <atse@m-labs.hk>
Date: Tue, 16 Jan 2024 15:22:11 +0800
Subject: [PATCH] Use latest working stable rust

---
 flake.nix   | 8 ++++----
 src/dfu.rs  | 1 +
 src/main.rs | 1 -
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/flake.nix b/flake.nix
index 40ab983..803e774 100644
--- a/flake.nix
+++ b/flake.nix
@@ -8,8 +8,8 @@
     let
       pkgs = import nixpkgs { system = "x86_64-linux"; overlays = [ (import mozilla-overlay) ]; };
       rustManifest = pkgs.fetchurl {
-        url = "https://static.rust-lang.org/dist/2021-10-26/channel-rust-nightly.toml";
-        sha256 = "sha256-1hLbypXA+nuH7o3AHCokzSBZAvQxvef4x9+XxO3aBao=";
+        url = "https://static.rust-lang.org/dist/2022-12-15/channel-rust-stable.toml";
+        hash = "sha256-S7epLlflwt0d1GZP44u5Xosgf6dRrmr8xxC+Ml2Pq7c=";
       };
 
       targets = [
@@ -22,12 +22,12 @@
           inherit targets;
           extensions = ["rust-src"];
         };
-      rust = rustChannelOfTargets "nightly" null targets;
+      rust = rustChannelOfTargets "stable" null targets;
       rustPlatform = pkgs.recurseIntoAttrs (pkgs.makeRustPlatform {
         rustc = rust;
         cargo = rust;
       });
-      thermostat = rustPlatform.buildRustPackage rec {
+      thermostat = rustPlatform.buildRustPackage {
         name = "thermostat";
         version = "0.0.0";
 
diff --git a/src/dfu.rs b/src/dfu.rs
index 1317212..9601472 100644
--- a/src/dfu.rs
+++ b/src/dfu.rs
@@ -1,3 +1,4 @@
+use core::arch::asm;
 use cortex_m_rt::pre_init;
 use stm32f4xx_hal::stm32::{RCC, SYSCFG};
 
diff --git a/src/main.rs b/src/main.rs
index 7271a32..3c01d74 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,5 @@
 #![cfg_attr(not(test), no_std)]
 #![cfg_attr(not(test), no_main)]
-#![feature(maybe_uninit_extra, asm)]
 #![cfg_attr(test, allow(unused))]
 // TODO: #![deny(warnings, unused)]