Extract the esp-hal-smartled package (#429)

* Extract the `esp-hal-smartled` package

This (finally) eliminates the `esp_hal_common::utils` module!

* Remove all references to the old `smartled` feature from CI

Author: jessebraham

.github/workflows/ci.yml

@@ -41,7 +41,7 @@ jobs:
       # Subsequent steps can just check the examples instead, as we're already
       # confident that they link.
       - name: check esp32-hal (common features)
-        run: cd esp32-hal/ && cargo check --examples --features=eh1,smartled,ufmt
+        run: cd esp32-hal/ && cargo check --examples --features=eh1,ufmt
       - name: check esp32-hal (async)
         run: cd esp32-hal/ && cargo check --example=embassy_hello_world --features=embassy,embassy-time-timg0
       - name: check esp32-hal (async, gpio)
@@ -107,7 +107,7 @@ jobs:
       # Subsequent steps can just check the examples instead, as we're already
       # confident that they link.
       - name: check esp32c3-hal (common features)
-        run: cd esp32c3-hal/ && cargo check --examples --features=eh1,smartled,ufmt
+        run: cd esp32c3-hal/ && cargo check --examples --features=eh1,ufmt
       - name: check esp32c3-hal (async, systick)
         run: cd esp32c3-hal/ && cargo check --example=embassy_hello_world --features=embassy,embassy-time-systick
       - name: check esp32c3-hal (async, timg0)
@@ -140,7 +140,7 @@ jobs:
       # Subsequent steps can just check the examples instead, as we're already
       # confident that they link.
       - name: check esp32c6-hal (common features)
-        run: cd esp32c6-hal/ && cargo check --examples --features=eh1,smartled,ufmt
+        run: cd esp32c6-hal/ && cargo check --examples --features=eh1,ufmt
       - name: check esp32c6-hal (async, systick)
         run: cd esp32c6-hal/ && cargo check --example=embassy_hello_world --features=embassy,embassy-time-systick
       - name: check esp32c6-hal (async, timg0)
@@ -169,7 +169,7 @@ jobs:
       # Subsequent steps can just check the examples instead, as we're already
       # confident that they link.
       - name: check esp32s2-hal (common features)
-        run: cd esp32s2-hal/ && cargo check --examples --features=eh1,smartled,ufmt
+        run: cd esp32s2-hal/ && cargo check --examples --features=eh1,ufmt
       # FIXME: `time-systick` feature disabled for now, see 'esp32s2-hal/Cargo.toml'.
       # - name: check esp32s2-hal (async, systick)
       #   run: cd esp32s2-hal/ && cargo check --example=embassy_hello_world --features=embassy,embassy-time-systick
@@ -203,7 +203,7 @@ jobs:
       # Subsequent steps can just check the examples instead, as we're already
       # confident that they link.
       - name: check esp32s3-hal (common features)
-        run: cd esp32s3-hal/ && cargo check --examples --features=eh1,smartled,ufmt
+        run: cd esp32s3-hal/ && cargo check --examples --features=eh1,ufmt
       - name: check esp32s3-hal (async, systick)
         run: cd esp32s3-hal/ && cargo check --example=embassy_hello_world --features=embassy,embassy-time-systick
       - name: check esp32s3-hal (async, timg0)
@@ -230,9 +230,9 @@ jobs:
       - name: msrv (esp32c2-hal)
         run: cd esp32c2-hal/ && cargo check --features=eh1,ufmt
       - name: msrv (esp32c3-hal)
-        run: cd esp32c3-hal/ && cargo check --features=eh1,ufmt,smartled
+        run: cd esp32c3-hal/ && cargo check --features=eh1,ufmt
       - name: msrv (esp32c6-hal)
-        run: cd esp32c6-hal/ && cargo check --features=eh1,ufmt,smartled
+        run: cd esp32c6-hal/ && cargo check --features=eh1,ufmt
 
   msrv-xtensa:
     runs-on: ubuntu-latest
@@ -247,11 +247,11 @@ jobs:
 
       # Verify the MSRV for all Xtensa chips.
       - name: msrv (esp32-hal)
-        run: cd esp32-hal/ && cargo check --features=eh1,ufmt,smartled
+        run: cd esp32-hal/ && cargo check --features=eh1,ufmt
       - name: msrv (esp32s2-hal)
-        run: cd esp32s2-hal/ && cargo check --features=eh1,ufmt,smartled
+        run: cd esp32s2-hal/ && cargo check --features=eh1,ufmt
       - name: msrv (esp32s3-hal)
-        run: cd esp32s3-hal/ && cargo check --features=eh1,ufmt,smartled
+        run: cd esp32s3-hal/ && cargo check --features=eh1,ufmt
 
   # --------------------------------------------------------------------------
   # Lint
@@ -327,4 +327,4 @@ jobs:
       - name: rustfmt (esp32s2-hal)
         run: cargo fmt --all --manifest-path=esp32s2-hal/Cargo.toml -- --check
       - name: rustfmt (esp32s3-hal)
-        run: cargo fmt --all --manifest-path=esp32s3-hal/Cargo.toml -- --check
+        run: cargo fmt --all --manifest-path=esp32s3-hal/Cargo.toml -- --check

esp-hal-common/Cargo.toml

@@ -43,9 +43,6 @@ riscv-atomic-emulation-trap = { version = "0.4.0", optional = true }
 xtensa-lx    = { version = "0.8.0",  optional = true }
 xtensa-lx-rt = { version = "0.15.0", optional = true }
 
-# Smart-LED (e.g., WS2812/SK68XX) support
-smart-leds-trait = { version = "0.2.1", optional = true }
-
 # Part of `ufmt` containing only `uWrite` trait
 ufmt-write = { version = "0.1.0", optional = true }
 
@@ -76,9 +73,6 @@ esp32c2_26mhz = []
 # Implement the `embedded-hal==1.0.0-alpha.x` traits
 eh1 = ["embedded-hal-1", "embedded-hal-nb", "embedded-can"]
 
-# To use the external `smart_led` crate
-smartled = ["smart-leds-trait"]
-
 # To support `ufmt`
 ufmt = ["ufmt-write"]
 

esp-hal-common/src/lib.rs

@@ -102,8 +102,6 @@ pub mod twai;
 pub mod uart;
 #[cfg(usb_serial_jtag)]
 pub mod usb_serial_jtag;
-#[cfg(rmt)]
-pub mod utils;
 
 /// State of the CPU saved when entering exception or interrupt
 pub mod trapframe {

esp-hal-common/src/utils/mod.rs

@@ -0,0 +1,22 @@
+[package]
+name        = "esp-hal-smartled"
+version     = "0.1.0"
+edition     = "2021"
+description = "RMT adapter for smartleds"
+repository  = "https://github.com/esp-rs/esp-hal"
+license     = "MIT OR Apache-2.0"
+
+[dependencies]
+esp-hal-common   = { version = "0.7.1", features = [], path = "../esp-hal-common" }
+fugit            = "0.3.6"
+smart-leds-trait = "0.2.1"
+
+[features]
+esp32   = ["esp-hal-common/esp32"]
+esp32c3 = ["esp-hal-common/esp32c3"]
+esp32c6 = ["esp-hal-common/esp32c6"]
+esp32s2 = ["esp-hal-common/esp32s2"]
+esp32s3 = ["esp-hal-common/esp32s3"]
+
+esp32_26mhz = ["esp-hal-common/esp32_26mhz"]
+esp32_40mhz = ["esp-hal-common/esp32_40mhz"]

esp-hal-smartled/Cargo.toml

@@ -0,0 +1,27 @@
+# esp-hal-smartled
+
+[![Crates.io](https://img.shields.io/crates/v/esp-hal-smartled?labelColor=1C2C2E&color=C96329&logo=Rust&style=flat-square)](https://crates.io/crates/esp-hal-smartled)
+[![docs.rs](https://img.shields.io/docsrs/esp-hal-smartled?labelColor=1C2C2E&color=C96329&logo=rust&style=flat-square)](https://docs.rs/esp-hal-smartled)
+![Crates.io](https://img.shields.io/crates/l/esp-hal-smartled?labelColor=1C2C2E&style=flat-square)
+[![Matrix](https://img.shields.io/matrix/esp-rs:matrix.org?label=join%20matrix&labelColor=1C2C2E&color=BEC5C9&logo=matrix&style=flat-square)](https://matrix.to/#/#esp-rs:matrix.org)
+
+This adapter allows for the use of an RMT output channel to easily interact with RGB LEDs and use the convenience functions of the [`smart-leds`](https://crates.io/crates/smart-leds) crate.
+
+## [Documentation]
+
+[documentation]: https://docs.rs/esp-hal-smartled/
+
+## License
+
+Licensed under either of:
+
+- Apache License, Version 2.0 ([LICENSE-APACHE](../LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+- MIT license ([LICENSE-MIT](../LICENSE-MIT) or http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in
+the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without
+any additional terms or conditions.

esp-hal-smartled/README.md

@@ -1,43 +1,44 @@
 //! # Smart-LEDs RMT Adapter
 //!
 //! This adapter allows for the use of an RMT output channel to easily interact
-//! with RGB LEDs and use the convenience functions of the external
+//! with RGB LEDs and use the convenience functions of the
 //! [`smart-leds`](https://crates.io/crates/smart-leds) crate.
 //!
 //! _This is a simple implementation where every LED is adressed in an
 //! individual RMT operation. This is working perfectly fine in blocking mode,
 //! but in case this is used in combination with interrupts that might disturb
 //! the sequential sending, an alternative implementation (addressing the LEDs
 //! in a sequence in a single RMT send operation) might be required!_
+
+#![no_std]
 #![deny(missing_docs)]
 
 use core::slice::IterMut;
 
-use fugit::NanosDuration;
-use smart_leds_trait::{SmartLedsWrite, RGB8};
-
-#[cfg(any(esp32, esp32s2))]
-use crate::pulse_control::ClockSource;
-use crate::{
+#[cfg(any(feature = "esp32", feature = "esp32s2"))]
+use esp_hal_common::pulse_control::ClockSource;
+use esp_hal_common::{
     gpio::OutputPin,
     peripheral::Peripheral,
     pulse_control::{ConfiguredChannel, OutputChannel, PulseCode, RepeatMode, TransmissionError},
 };
+use fugit::NanosDuration;
+use smart_leds_trait::{SmartLedsWrite, RGB8};
 
 // Specifies what clock frequency we're using for the RMT peripheral (if
 // properly configured)
 //
 // TODO: Factor in clock configuration, this needs to be revisited once #24 and
 // #44 have been addressed.
-#[cfg(esp32c3)]
+#[cfg(feature = "esp32")]
 const SOURCE_CLK_FREQ: u32 = 40_000_000;
-#[cfg(esp32c6)]
+#[cfg(feature = "esp32c3")]
 const SOURCE_CLK_FREQ: u32 = 40_000_000;
-#[cfg(esp32s2)]
+#[cfg(feature = "esp32c6")]
 const SOURCE_CLK_FREQ: u32 = 40_000_000;
-#[cfg(esp32)]
+#[cfg(feature = "esp32s2")]
 const SOURCE_CLK_FREQ: u32 = 40_000_000;
-#[cfg(esp32s3)]
+#[cfg(feature = "esp32s3")]
 const SOURCE_CLK_FREQ: u32 = 40_000_000;
 
 const SK68XX_CODE_PERIOD: u32 = 1200;
@@ -101,14 +102,14 @@ where
     where
         UnconfiguredChannel: OutputChannel<ConfiguredChannel<'d, O> = CHANNEL>,
     {
-        #[cfg(any(esp32c3, esp32c6, esp32s3))]
+        #[cfg(not(any(feature = "esp32", feature = "esp32s2")))]
         channel
             .set_idle_output_level(false)
             .set_carrier_modulation(false)
             .set_channel_divider(1)
             .set_idle_output(true);
 
-        #[cfg(any(esp32, esp32s2))]
+        #[cfg(any(feature = "esp32", feature = "esp32s2"))]
         channel
             .set_idle_output_level(false)
             .set_carrier_modulation(false)

esp-hal-common/src/utils/smart_leds_adapter.rs renamed to esp-hal-smartled/src/lib.rs

@@ -6,6 +6,9 @@
     {
       "path": "esp-hal-procmacros"
     },
+    {
+      "path": "esp-hal-smartled"
+    },
     {
       "path": "esp32-hal"
     },

esp-hal.code-workspace

@@ -37,6 +37,7 @@ critical-section  = "1.1.1"
 embassy-executor  = { package = "embassy-executor", git = "https://github.com/embassy-rs/embassy/", rev = "cd9a65b", features = ["nightly", "integrated-timers"] }
 embedded-graphics = "0.7.1"
 esp-backtrace     = { version = "0.6.0", features = ["esp32", "panic-handler", "exception-handler", "print-uart"] }
+esp-hal-smartled  = { version = "0.1.0", features = ["esp32"], path = "../esp-hal-smartled" }
 esp-println       = { version = "0.3.1", features = ["esp32"] }
 sha2              = { version = "0.10.6", default-features = false}
 smart-leds        = "0.3.0"
@@ -45,22 +46,17 @@ static_cell       = "1.0.0"
 aes = "0.8.2"
 
 [features]
-default           = ["rt", "vectored", "xtal40mhz"]
-bluetooth         = []
-eh1               = ["esp-hal-common/eh1", "dep:embedded-hal-1", "dep:embedded-hal-nb"]
-rt                = []
-smartled          = ["esp-hal-common/smartled"]
-ufmt              = ["esp-hal-common/ufmt"]
-vectored          = ["esp-hal-common/vectored"]
-async             = ["esp-hal-common/async", "embedded-hal-async"]
-embassy           = ["esp-hal-common/embassy"]
+default            = ["rt", "vectored", "xtal40mhz"]
+bluetooth          = []
+eh1                = ["esp-hal-common/eh1", "dep:embedded-hal-1", "dep:embedded-hal-nb"]
+rt                 = []
+ufmt               = ["esp-hal-common/ufmt"]
+vectored           = ["esp-hal-common/vectored"]
+async              = ["esp-hal-common/async", "embedded-hal-async"]
+embassy            = ["esp-hal-common/embassy"]
 embassy-time-timg0 = ["esp-hal-common/embassy-time-timg0", "embassy-time/tick-hz-1_000_000"]
-xtal40mhz         = ["esp-hal-common/esp32_40mhz"]
-xtal26mhz         = ["esp-hal-common/esp32_26mhz"]
-
-[[example]]
-name              = "hello_rgb"
-required-features = ["smartled"]
+xtal40mhz          = ["esp-hal-common/esp32_40mhz"]
+xtal26mhz          = ["esp-hal-common/esp32_26mhz"]
 
 [[example]]
 name              = "spi_eh1_loopback"

esp32-hal/Cargo.toml

@@ -18,14 +18,14 @@ use esp32_hal::{
     peripherals,
     prelude::*,
     timer::TimerGroup,
-    utils::{smartLedAdapter, SmartLedsAdapter},
     Delay,
     PulseControl,
     Rtc,
     IO,
 };
 #[allow(unused_imports)]
 use esp_backtrace as _;
+use esp_hal_smartled::{smartLedAdapter, SmartLedsAdapter};
 use smart_leds::{
     brightness,
     gamma,