Fix: println without colors not printing

.github/workflows/ci.yml

@@ -15,11 +15,14 @@ jobs:
   check-riscv:
     name: Check RISC-V
     runs-on: ubuntu-latest
+    env:
+      RUSTFLAGS: -Dwarnings
     strategy:
       fail-fast: false
       matrix:
         chip: [esp32c2, esp32c3, esp32c6, esp32h2, esp32p4]
-        printer: ["esp-println/uart"]
+        colors: ["colors"]
+        method: ["println"]
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@v1
@@ -28,21 +31,45 @@ jobs:
           toolchain: nightly
           components: rust-src
       - uses: Swatinem/rust-cache@v2
-      - run: cargo check -Zbuild-std=core --target=riscv32imc-unknown-none-elf --features=${{ matrix.chip }},panic-handler,exception-handler,println,${{ matrix.printer }}
+      - run: cargo check -Zbuild-std=core --target=riscv32imc-unknown-none-elf --no-default-features --features=esp-println/uart,${{ matrix.chip }},panic-handler,exception-handler,${{ matrix.method }},${{ matrix.colors }}
 
   check-xtensa:
     name: Check Xtensa
     runs-on: ubuntu-latest
+    env:
+      RUSTFLAGS: -Dwarnings
     strategy:
       fail-fast: false
       matrix:
         chip: [esp32, esp32s2, esp32s3]
-        printer: ["esp-println/uart"]
+        colors: ["colors"]
+        method: ["println"]
     steps:
       - uses: actions/checkout@v3
       - uses: esp-rs/xtensa-toolchain@v1.5
         with:
           default: true
           ldproxy: false
       - uses: Swatinem/rust-cache@v2
-      - run: cargo check -Zbuild-std=core --target=xtensa-${{ matrix.chip }}-none-elf --features=${{ matrix.chip }},panic-handler,exception-handler,println,${{ matrix.printer }}
+      - run: cargo check -Zbuild-std=core --target=xtensa-${{ matrix.chip }}-none-elf --no-default-features --features=esp-println/uart,${{ matrix.chip }},panic-handler,exception-handler,${{ matrix.method }},${{ matrix.colors }}
+
+  check-features:
+    name: Check unusual feature combinations
+    runs-on: ubuntu-latest
+    env:
+      RUSTFLAGS: -Dwarnings
+    strategy:
+      fail-fast: false
+      matrix:
+        chip: [esp32c3]
+        colors: ["colors", ""]
+        method: ["println","defmt"]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@v1
+        with:
+          target: riscv32imc-unknown-none-elf
+          toolchain: nightly
+          components: rust-src
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo check -Zbuild-std=core --target=riscv32imc-unknown-none-elf --no-default-features --features=esp-println/uart,${{ matrix.chip }},panic-handler,exception-handler,${{ matrix.method }},${{ matrix.colors }}

src/lib.rs

@@ -77,7 +77,11 @@ fn panic_handler(info: &core::panic::PanicInfo) -> ! {
     #[cfg(nightly)]
     {
         if let Some(message) = info.message() {
+            #[cfg(not(feature = "defmt"))]
             println!("{}", message);
+
+            #[cfg(feature = "defmt")]
+            println!("{}", defmt::Display2Format(message));
         }
     }
 
@@ -95,7 +99,7 @@ fn panic_handler(info: &core::panic::PanicInfo) -> ! {
             #[cfg(all(feature = "colors", feature = "println"))]
             println!("{}0x{:x}", RED, addr - crate::arch::RA_OFFSET);
 
-            #[cfg(not(any(feature = "colors", feature = "println")))]
+            #[cfg(not(all(feature = "colors", feature = "println")))]
             println!("0x{:x}", addr - crate::arch::RA_OFFSET);
         }
     }
@@ -192,7 +196,11 @@ fn exception_handler(context: &arch::TrapFrame) -> ! {
         }
         for e in backtrace {
             if let Some(addr) = e {
-                println!("0x{:x}", addr);
+                #[cfg(all(feature = "colors", feature = "println"))]
+                println!("{}0x{:x}", RED, addr - crate::arch::RA_OFFSET);
+
+                #[cfg(not(all(feature = "colors", feature = "println")))]
+                println!("0x{:x}", addr - crate::arch::RA_OFFSET);
             }
         }
     }