feat: example

embassy-rs · Aug 24, 2024 · 1190b76 · 1190b76
1 parent 583f5f2
commit 1190b76
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Showing 4 changed files with 277 additions and 118 deletions.
diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml
@@ -72,7 +72,8 @@ rand_core = "0.6.3"
 sdio-host = "0.5.0"
 critical-section = "1.1"
 #stm32-metapac = { version = "15" }
-stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-e0cfd165fd8fffaa0df66a35eeca83b228496645" }
+# stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-e0cfd165fd8fffaa0df66a35eeca83b228496645" }
+stm32-metapac = { version = "15.0.0", path = "../../../stm32-data/build/stm32-metapac" }
 
 vcell = "0.1.3"
 nb = "1.0.0"
@@ -97,7 +98,8 @@ proc-macro2 = "1.0.36"
 quote = "1.0.15"
 
 #stm32-metapac = { version = "15", default-features = false, features = ["metadata"]}
-stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-e0cfd165fd8fffaa0df66a35eeca83b228496645", default-features = false, features = ["metadata"] }
+# stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-e0cfd165fd8fffaa0df66a35eeca83b228496645", default-features = false, features = ["metadata"] }
+stm32-metapac = { version = "15.0.0", path = "../../../stm32-data/build/stm32-metapac", default-features = false, features = ["metadata"] }
 
 [features]
 default = ["rt"]

diff --git a/embassy-usb/src/class/uac1/speaker.rs b/embassy-usb/src/class/uac1/speaker.rs
@@ -32,13 +32,13 @@ use crate::{Builder, Handler};
 /// Maximum allowed sampling rate (3 bytes) in Hz.
 const MAX_SAMPLE_RATE_HZ: u32 = 0x7FFFFF;
 
-/// Arbitrary unique identifier for the input unit
+/// Arbitrary unique identifier for the input unit.
 const INPUT_UNIT_ID: u8 = 0x01;
 
-/// Arbitrary unique identifier for the feature unit
+/// Arbitrary unique identifier for the feature unit.
 const FEATURE_UNIT_ID: u8 = 0x02;
 
-/// Arbitrary unique identifier for the output unit
+/// Arbitrary unique identifier for the output unit.
 const OUTPUT_UNIT_ID: u8 = 0x03;
 
 // Volume settings go from -25600 to 0, in steps of 256.
@@ -52,14 +52,15 @@ const MAX_SAMPLE_RATE_COUNT: usize = 10;
 
 /// The volume of an audio channel.
 #[derive(Debug, Clone, Copy)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub enum Volume {
     /// The channel is muted.
     Muted,
     /// The channel volume in dB. Ranges from `MIN_VOLUME_DB` (quietest) to `MAX_VOLUME_DB` (loudest).
     DeciBel(f32),
 }
 
-/// Internal state for the USB Audio Class
+/// Internal state for the USB Audio Class.
 pub struct State<'d> {
     control: Option<Control<'d>>,
     shared: SharedControl<'d>,

diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
@@ -27,6 +27,7 @@ embedded-io-async = { version = "0.6.1" }
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures-util = { version = "0.3.30", default-features = false }
 heapless = { version = "0.8", default-features = false }
+critical-section = "1.1"
 nb = "1.0.0"
 embedded-storage = "0.3.1"
 micromath = "2.0.0"