From 7089e5b586b1f35256ce285d14403676437fc4c2 Mon Sep 17 00:00:00 2001
From: Dario Nieuwenhuis <dirbaio@dirbaio.net>
Date: Mon, 13 May 2024 16:20:52 +0200
Subject: [PATCH] stm32/tests: add stm32u0 hil.

---
 ci.sh                      |  1 +
 tests/stm32/Cargo.toml     |  1 +
 tests/stm32/src/bin/rng.rs |  7 ++++++-
 tests/stm32/src/common.rs  | 24 ++++++++++++++++++++++++
 4 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/ci.sh b/ci.sh
index 1ba00f404..6fff1e68c 100755
--- a/ci.sh
+++ b/ci.sh
@@ -248,6 +248,7 @@ cargo batch \
     --- build --release --manifest-path tests/stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32h7s3l8 --out-dir out/tests/stm32h7s3l8 \
     --- build --release --manifest-path tests/stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32f091rc --out-dir out/tests/stm32f091rc \
     --- build --release --manifest-path tests/stm32/Cargo.toml --target thumbv8m.main-none-eabihf --features stm32h503rb --out-dir out/tests/stm32h503rb \
+    --- build --release --manifest-path tests/stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32u083rc --out-dir out/tests/stm32u083rc \
     --- build --release --manifest-path tests/rp/Cargo.toml --target thumbv6m-none-eabi --out-dir out/tests/rpi-pico \
     --- build --release --manifest-path tests/nrf52840/Cargo.toml --target thumbv7em-none-eabi --out-dir out/tests/nrf52840-dk \
     --- build --release --manifest-path tests/nrf51422/Cargo.toml --target thumbv6m-none-eabi --out-dir out/tests/nrf51-dk \
diff --git a/tests/stm32/Cargo.toml b/tests/stm32/Cargo.toml
index 6afa2a68e..23dfd1565 100644
--- a/tests/stm32/Cargo.toml
+++ b/tests/stm32/Cargo.toml
@@ -33,6 +33,7 @@ stm32wl55jc = ["embassy-stm32/stm32wl55jc-cm4", "not-gpdma", "rng", "chrono"]
 stm32f091rc = ["embassy-stm32/stm32f091rc", "cm0", "not-gpdma", "chrono"]
 stm32h503rb = ["embassy-stm32/stm32h503rb", "rng", "stop"]
 stm32h7s3l8 = ["embassy-stm32/stm32h7s3l8", "rng", "cordic", "hash"] # TODO: fdcan crashes, cryp dma hangs.
+stm32u083rc = ["embassy-stm32/stm32u083rc", "cm0", "rng", "chrono"]
 
 cryp = []
 hash = []
diff --git a/tests/stm32/src/bin/rng.rs b/tests/stm32/src/bin/rng.rs
index 7f2023d4d..15ef4fb60 100644
--- a/tests/stm32/src/bin/rng.rs
+++ b/tests/stm32/src/bin/rng.rs
@@ -23,12 +23,17 @@ bind_interrupts!(struct Irqs {
 bind_interrupts!(struct Irqs {
    RNG_LPUART1 => rng::InterruptHandler<peripherals::RNG>;
 });
+#[cfg(any(feature = "stm32u083rc"))]
+bind_interrupts!(struct Irqs {
+   RNG_CRYP => rng::InterruptHandler<peripherals::RNG>;
+});
 #[cfg(not(any(
     feature = "stm32l4a6zg",
     feature = "stm32l073rz",
     feature = "stm32h755zi",
     feature = "stm32h753zi",
-    feature = "stm32f429zi"
+    feature = "stm32f429zi",
+    feature = "stm32u083rc"
 )))]
 bind_interrupts!(struct Irqs {
    RNG => rng::InterruptHandler<peripherals::RNG>;
diff --git a/tests/stm32/src/common.rs b/tests/stm32/src/common.rs
index 07c61956f..4e0231858 100644
--- a/tests/stm32/src/common.rs
+++ b/tests/stm32/src/common.rs
@@ -62,6 +62,8 @@ teleprobe_meta::target!(b"nucleo-stm32f091rc");
 teleprobe_meta::target!(b"nucleo-stm32h503rb");
 #[cfg(feature = "stm32h7s3l8")]
 teleprobe_meta::target!(b"nucleo-stm32h7s3l8");
+#[cfg(feature = "stm32u083rc")]
+teleprobe_meta::target!(b"nucleo-stm32u083rc");
 
 macro_rules! define_peris {
     ($($name:ident = $peri:ident,)* $(@irq $irq_name:ident = $irq_code:tt,)*) => {
@@ -258,6 +260,12 @@ define_peris!(
     SPI = SPI1, SPI_SCK = PA5, SPI_MOSI = PB5, SPI_MISO = PA6, SPI_TX_DMA = GPDMA1_CH0, SPI_RX_DMA = GPDMA1_CH1,
     @irq UART = {USART1 => embassy_stm32::usart::InterruptHandler<embassy_stm32::peripherals::USART1>;},
 );
+#[cfg(feature = "stm32u083rc")]
+define_peris!(
+    UART = USART1, UART_TX = PA9, UART_RX = PA10, UART_TX_DMA = DMA1_CH1, UART_RX_DMA = DMA1_CH2,
+    SPI = SPI1, SPI_SCK = PA5, SPI_MOSI = PA7, SPI_MISO = PA6, SPI_TX_DMA = DMA1_CH1, SPI_RX_DMA = DMA1_CH2,
+    @irq UART = {USART1 => embassy_stm32::usart::InterruptHandler<embassy_stm32::peripherals::USART1>;},
+);
 
 pub fn config() -> Config {
     #[allow(unused_mut)]
@@ -673,5 +681,21 @@ pub fn config() -> Config {
         config.rcc.voltage_scale = VoltageScale::HIGH;
         config.rcc.mux.spi1sel = mux::Spi123sel::PLL1_Q;
     }
+    #[cfg(any(feature = "stm32u083rc"))]
+    {
+        config.rcc.hsi = true;
+        config.rcc.pll = Some(Pll {
+            source: PllSource::HSI, // 16 MHz
+            prediv: PllPreDiv::DIV1,
+            mul: PllMul::MUL7,
+            divp: None,
+            divq: None,
+            divr: Some(PllRDiv::DIV2), // 56 MHz
+        });
+        config.rcc.sys = Sysclk::PLL1_R;
+        config.rcc.hsi48 = Some(Hsi48Config { sync_from_usb: true }); // needed for USB
+        config.rcc.mux.clk48sel = mux::Clk48sel::HSI48; // USB uses ICLK
+    }
+
     config
 }