From 6e1c5370bacf1d0f5fe244062fdd0d222e8788e0 Mon Sep 17 00:00:00 2001
From: jazzpi <jasper@mezzo.de>
Date: Fri, 17 Oct 2025 07:33:36 +0200
Subject: [PATCH] HALified blinky

---
 Cargo.toml  |  9 +++++----
 src/main.rs | 35 ++++++++++++++++-------------------
 2 files changed, 21 insertions(+), 23 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 5921776..83f1823 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,8 @@ cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
 cortex-m-rt = "0.7"
 cortex-m-semihosting = "0.5"
 panic-halt = "1.0.0"
-# stm32f3 = "0.7.1"
+stm32f3 = { version = "0.16.0", features = ["stm32f303"] }
+stm32f3xx-hal = { version = "0.10.0", features = ["stm32f303xc"] }
 
 # Uncomment for the panic example.
 # panic-itm = "0.4.1"
@@ -21,9 +22,9 @@ panic-halt = "1.0.0"
 # Uncomment for the device example.
 # Update `memory.x`, set target to `thumbv7em-none-eabihf` in `.cargo/config`,
 # and then use `cargo build --example device` to build it.
-[dependencies.stm32f3]
-features = ["stm32f303", "rt"]
-version = "^0.16.0"
+# [dependencies.stm32f3]
+# features = ["stm32f303", "rt"]
+# version = "^0.16.0"
 
 # this lets you use `cargo fix`!
 [[bin]]
diff --git a/src/main.rs b/src/main.rs
index b00b42f..588522d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,7 @@ use panic_halt as _; // you can put a breakpoint on `rust_begin_unwind` to catch
 use cortex_m::peripheral::{syst, Peripherals};
 use cortex_m_rt::entry;
 
-use stm32f3::stm32f303;
+use stm32f3xx_hal::{self as hal, pac, prelude::*};
 
 #[entry]
 fn main() -> ! {
@@ -19,33 +19,30 @@ fn main() -> ! {
     systick.set_clock_source(syst::SystClkSource::Core);
     systick.set_reload(8_000_000); // 1s
     systick.clear_current();
+    let dp = pac::Peripherals::take().unwrap();
+    let mut rcc = dp.RCC.constrain();
 
-    let device_peripherals = stm32f303::Peripherals::take().unwrap();
-    let rcc = device_peripherals.RCC;
-    rcc.ahbenr().write(|w| w.iopeen().set_bit());
     // PE9: LD3 (red)
     // PE8: LD4 (blue)
     // PE10: LD5 (orange)
-    let gpioe = device_peripherals.GPIOE;
-    gpioe
-        .moder()
-        .write(|w| w.moder9().output().moder8().output().moder10().output());
-    gpioe.bsrr().write(|w| w.bs9().set_bit());
-    gpioe.bsrr().write(|w| w.bs8().set_bit());
-    gpioe.bsrr().write(|w| w.bs10().set_bit());
+    let mut gpioe = dp.GPIOE.split(&mut rcc.ahb);
+    let mut ld3 = gpioe
+        .pe9
+        .into_push_pull_output(&mut gpioe.moder, &mut gpioe.otyper);
+    let mut ld4 = gpioe
+        .pe8
+        .into_push_pull_output(&mut gpioe.moder, &mut gpioe.otyper);
+    let mut ld5 = gpioe
+        .pe10
+        .into_push_pull_output(&mut gpioe.moder, &mut gpioe.otyper);
 
     systick.enable_counter();
     let mut enabled = true;
     loop {
         while !systick.has_wrapped() {}
         enabled = !enabled;
-        gpioe.odr().write(|w| {
-            w.odr8()
-                .bit(enabled)
-                .odr9()
-                .bit(enabled)
-                .odr10()
-                .bit(enabled)
-        });
+        ld3.toggle().unwrap();
+        ld4.toggle().unwrap();
+        ld5.toggle().unwrap();
     }
 }