Use stable channel instead of nightly

.github/workflows/ci.yml

@@ -130,7 +130,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@v1
         with:
-          toolchain: nightly
+          toolchain: stable
           components: rustfmt
       - uses: Swatinem/rust-cache@v2
       - name: cargo fmt

.github/workflows/release.yml

@@ -33,7 +33,7 @@ jobs:
         if: matrix.build.chip != 'esp32' && matrix.build.chip != 'esp32s2' && matrix.build.chip != 'esp32s3'
         with:
           target: ${{ matrix.build.target }}
-          toolchain: nightly
+          toolchain: stable
           components: rust-src
       # Xtensa toolchain
       - uses: esp-rs/[email protected]

README.md

@@ -25,16 +25,16 @@ In order to build the flasher stub manually, you must specify the appropriate to
 cargo +esp build --release --features=esp32 --target=xtensa-esp32-none-elf
 
 # ESP32-C2
-cargo +nightly build --release --features=esp32c2 --target=riscv32imc-unknown-none-elf
+cargo +stable build --release --features=esp32c2 --target=riscv32imc-unknown-none-elf
 
 # ESP32-C3
-cargo +nightly build --release --features=esp32c3 --target=riscv32imc-unknown-none-elf
+cargo +stable build --release --features=esp32c3 --target=riscv32imc-unknown-none-elf
 
 # ESP32-C6
-cargo +nightly build --release --features=esp32c6 --target=riscv32imac-unknown-none-elf
+cargo +stable build --release --features=esp32c6 --target=riscv32imac-unknown-none-elf
 
 # ESP32-H2
-cargo +nightly build --release --features=esp32h2 --target=riscv32imac-unknown-none-elf
+cargo +stable build --release --features=esp32h2 --target=riscv32imac-unknown-none-elf
 
 # ESP32-S2
 cargo +esp build --release --features=esp32s2 --target=xtensa-esp32s2-none-elf

src/main.rs

@@ -7,22 +7,17 @@ use flasher_stub::{
     dprintln,
     hal::{
         clock::{ClockControl, Clocks},
-        entry,
-        gpio,
+        entry, gpio,
         peripherals::{self, Peripherals},
         prelude::*,
         uart::{
             config::{Config, DataBits, Parity, StopBits},
-            ClockSource,
-            TxRxPins,
-            Uart,
+            ClockSource, TxRxPins, Uart,
         },
         Blocking,
     },
     protocol::Stub,
-    targets,
-    Transport,
-    TransportMethod,
+    targets, Transport, TransportMethod,
 };
 use static_cell::StaticCell;
 

xtask/src/main.rs

@@ -28,7 +28,7 @@ impl Chip {
     pub fn toolchain(&self) -> &'static str {
         match self {
             Chip::Esp32 | Chip::Esp32s2 | Chip::Esp32s3 => "+esp",
-            _ => "+nightly",
+            _ => "+stable",
         }
     }