Started adding ESP32-H2 support

.github/workflows/ci.yml

@@ -44,6 +44,8 @@ jobs:
         run: cd esp-hal-smartled/ && cargo +nightly-2023-03-09 check --features=esp32c3
       - name: check (esp32c6)
         run: cd esp-hal-smartled/ && cargo +nightly-2023-03-09 check --features=esp32c6
+      #- name: check (esp32h2)
+      #  run: cd esp-hal-smartled/ && cargo +nightly-2023-03-09 check --features=esp3h2
       # Check all Xtensa targets:
       - name: check (esp32)
         run: cd esp-hal-smartled/ && cargo +esp check --features=esp32,esp32_40mhz
@@ -180,6 +182,39 @@ jobs:
       - name: check esp32c6-hal (async, spi)
         run: cd esp32c6-hal/ && cargo +nightly-2023-03-09 check --example=embassy_spi --features=embassy,embassy-time-systick,async
 
+  esp32h2-hal:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dtolnay/rust-toolchain@v1
+        with:
+          target: riscv32imac-unknown-none-elf
+          toolchain: nightly-2023-03-09
+          components: rust-src
+      - uses: Swatinem/rust-cache@v2
+
+      # Perform a full build initially to verify that the examples not only
+      # build, but also link successfully.
+      # We also use this as an opportunity to verify that the examples link
+      # for each supported image format.
+      - name: build esp32h2-hal (no features)
+        run: cd esp32h2-hal/ && cargo +nightly-2023-03-09 build --examples
+      - name: build esp32h2-hal (direct-boot)
+        run: cd esp32h2-hal/ && cargo +nightly-2023-03-09 build --examples --features=direct-boot
+      # Subsequent steps can just check the examples instead, as we're already
+      # confident that they link.
+      - name: check esp32h2-hal (common features)
+        run: cd esp32h2-hal/ && cargo +nightly-2023-03-09 check --examples --features=eh1,ufmt
+      # - name: check esp32h2-hal (async, systick)
+      #   run: cd esp32h2-hal/ && cargo +nightly-2023-03-09 check --example=embassy_hello_world --features=embassy,embassy-time-systick
+      # - name: check esp32h2-hal (async, timg0)
+      #   run: cd esp32h2-hal/ && cargo +nightly-2023-03-09 check --example=embassy_hello_world --features=embassy,embassy-time-timg0
+      # - name: check esp32h2-hal (async, gpio)
+      #   run: cd esp32h2-hal/ && cargo +nightly-2023-03-09 check --example=embassy_wait --features=embassy,embassy-time-systick,async
+      # - name: check esp32h2-hal (async, spi)
+      #   run: cd esp32h2-hal/ && cargo +nightly-2023-03-09 check --example=embassy_spi --features=embassy,embassy-time-systick,async
+
   esp32s2-hal:
     runs-on: ubuntu-latest
 
@@ -264,6 +299,8 @@ jobs:
         run: cd esp32c3-hal/ && cargo check --features=eh1,ufmt
       - name: msrv (esp32c6-hal)
         run: cd esp32c6-hal/ && cargo check --features=eh1,ufmt
+      - name: msrv (esp32h2-hal)
+        run: cd esp32h2-hal/ && cargo check --features=eh1,ufmt
 
   msrv-xtensa:
     runs-on: ubuntu-latest
@@ -305,6 +342,8 @@ jobs:
         run: cargo +stable clippy --manifest-path=esp32c3-hal/Cargo.toml -- --no-deps
       - name: clippy (esp32c6-hal)
         run: cargo +stable clippy --manifest-path=esp32c6-hal/Cargo.toml -- --no-deps
+      - name: clippy (esp32h2-hal)
+        run: cargo +stable clippy --manifest-path=esp32h2-hal/Cargo.toml -- --no-deps
 
   clippy-xtensa:
     runs-on: ubuntu-latest
@@ -357,6 +396,8 @@ jobs:
         run: cargo fmt --all --manifest-path=esp32c3-hal/Cargo.toml -- --check
       - name: rustfmt (esp32c6-hal)
         run: cargo fmt --all --manifest-path=esp32c6-hal/Cargo.toml -- --check
+      - name: rustfmt (esp32h2-hal)
+        run: cargo fmt --all --manifest-path=esp32h2-hal/Cargo.toml -- --check
       - name: rustfmt (esp32s2-hal)
         run: cargo fmt --all --manifest-path=esp32s2-hal/Cargo.toml -- --check
       - name: rustfmt (esp32s3-hal)

esp-hal-common/Cargo.toml

@@ -54,6 +54,7 @@ esp32   = { version = "0.23.0", features = ["critical-section"], optional = true
 esp32c2 = { version = "0.10.0", features = ["critical-section"], optional = true }
 esp32c3 = { version = "0.13.0", features = ["critical-section"], optional = true }
 esp32c6 = { version = "0.3.0",  features = ["critical-section"], optional = true }
+esp32h2 = { git = "https://github.com/esp-rs/esp-pacs", rev = "0ee1cea", package = "esp32h2", features = ["critical-section"], optional = true }
 esp32s2 = { version = "0.14.0", features = ["critical-section"], optional = true }
 esp32s3 = { version = "0.17.0", features = ["critical-section"], optional = true }
 
@@ -66,6 +67,7 @@ esp32   = ["esp32/rt"  , "xtensa", "xtensa-lx/esp32",   "xtensa-lx-rt/esp32",
 esp32c2 = ["esp32c2/rt", "riscv",  "procmacros/esp32c2"]
 esp32c3 = ["esp32c3/rt", "riscv",  "procmacros/esp32c3"]
 esp32c6 = ["esp32c6/rt", "riscv",  "procmacros/esp32c6"]
+esp32h2 = ["esp32h2/rt", "riscv",  "procmacros/esp32h2"]
 esp32s2 = ["esp32s2/rt", "xtensa", "xtensa-lx/esp32s2", "xtensa-lx-rt/esp32s2",             "esp-synopsys-usb-otg", "usb-device", "procmacros/esp32s2"]
 esp32s3 = ["esp32s3/rt", "xtensa", "xtensa-lx/esp32s3", "xtensa-lx-rt/esp32s3", "lock_api", "esp-synopsys-usb-otg", "usb-device", "procmacros/esp32s3"]
 

esp-hal-common/README.md

@@ -13,6 +13,7 @@ This crate should not be used directly; you should use one of the device-specifi
 - [esp32c2-hal](../esp32c2-hal/README.md)
 - [esp32c3-hal](../esp32c3-hal/README.md)
 - [esp32c6-hal](../esp32c6-hal/README.md)
+- [esp32h2-hal](../esp32h2-hal/README.md)
 - [esp32s2-hal](../esp32s2-hal/README.md)
 - [esp32s3-hal](../esp32s3-hal/README.md)
 

esp-hal-common/build.rs

@@ -88,7 +88,9 @@ struct Config {
 fn main() {
     // NOTE: update when adding new device support!
     // Ensure that exactly one chip has been specified:
-    assert_unique_used_features!("esp32", "esp32c2", "esp32c3", "esp32c6", "esp32s2", "esp32s3");
+    assert_unique_used_features!(
+        "esp32", "esp32c2", "esp32c3", "esp32c6", "esp32h2", "esp32s2", "esp32s3"
+    );
 
     // Handle the features for the ESP32's different crystal frequencies:
     #[cfg(feature = "esp32")]
@@ -112,6 +114,8 @@ fn main() {
         "esp32c3"
     } else if cfg!(feature = "esp32c6") {
         "esp32c6"
+    } else if cfg!(feature = "esp32h2") {
+        "esp32h2"
     } else if cfg!(feature = "esp32s2") {
         "esp32s2"
     } else if cfg!(feature = "esp32s3") {

esp-hal-common/devices/esp32h2.toml

@@ -0,0 +1,65 @@
+[device]
+arch  = "riscv"
+cores = "single_core"
+
+peripherals = [
+    # Peripherals available in the PAC:
+    # "aes",
+    # "apb_saradc",
+    # "assist_debug",
+    # "ds",
+    # "ecc",
+    "efuse",
+    # "gdma",
+    # "gpio",
+    # "hmac",
+    # "hp_apm",
+    # "hp_sys",
+    # "i2c0",
+    # "i2c1",
+    # "i2s0",
+    "interrupt_core0",
+    "intpri",
+    # "io_mux",
+    # "ledc",
+    # "lp_ana",
+    # "lp_aon",
+    # "lp_apm",
+    "lp_clkrst",
+    # "lp_peri",
+    # "lp_timer",
+    "lp_wdt",
+    # "mcpwm0",
+    # "mem_monitor",
+    # "modem_lpcon",
+    # "modem_syscon",
+    # "otp_debug",
+    # "parl_io",
+    # "pau",
+    # "pcnt",
+    "pcr",
+    # "pmu",
+    # "peripherals",
+    # "rmt",
+    # "rng",
+    # "rsa",
+    # "sha",
+    # "soc_etm",
+    # "spi0",
+    # "spi1",
+    # "spi2",
+    # "systimer",
+    # "tee",
+    # "timg0",
+    # "timg1",
+    # "trace",
+    # "twai0",
+    # "uart0",
+    # "uart1",
+    # "uhci0",
+    # "usb_device",
+
+
+    # Additional peripherals defined by us (the developers):
+    "plic",
+]