sdio: initial SDIO HAL implementation

.github/workflows/ci.yml

@@ -118,7 +118,7 @@ jobs:
       # Install the Rust toolchain for Xtensa devices:
       - uses: esp-rs/[email protected]
         with:
-          version: 1.88.0.0
+          version: 1.88.0
 
       # Install the Rust stable toolchain for RISC-V devices:
       - uses: dtolnay/rust-toolchain@v1

esp-hal/CHANGELOG.md

@@ -185,6 +185,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - UART: Added HW and SW flow control config option (#3435)
 - I2C master: `SoftwareTimeout` and `Config::with_software_timeout`. (#3577)
 - `esp_hal::time::{Instant, Duration}` now implement `Hash` (#3577)
+- Added `Sdio` support (#3503)
 
 ### Changed
 

esp-hal/Cargo.toml

@@ -80,6 +80,7 @@ embassy-usb-synopsys-otg = { version = "0.3.0", optional = true }
 embedded-can             = { version = "0.4.1", optional = true }
 esp-synopsys-usb-otg     = { version = "0.4.2", optional = true }
 nb                       = { version = "1.1.0", optional = true }
+embedded-hal-sdmmc       = { version = "0.1.0-alpha.3", optional = true }
 
 # Logging interfaces, they are mutually exclusive so they need to be behind separate features.
 defmt                    = { version = "1.0.1", optional = true }
@@ -99,6 +100,9 @@ rand_core-06             = { package = "rand_core", version = "0.6.4", optional
 rand_core-09             = { package = "rand_core", version = "0.9.0", optional = true }
 ufmt-write               = { version = "0.1.0", optional = true }
 
+# Alternative bitfield implementation with better performance
+bitfielder               = { version = "0.1.1", optional = true }
+
 # IMPORTANT:
 # Each supported device MUST have its PAC included below along with a
 # corresponding feature.
@@ -279,6 +283,8 @@ unstable = [
     "dep:rand_core-09",
     "dep:nb",
     "dep:ufmt-write",
+    "dep:embedded-hal-sdmmc",
+    "dep:bitfielder",
 ]
 
 ## Libraries that depend on `esp-hal` should enable this feature to indicate their use of unstable APIs.