Updated to newest embedded hal version

.cargo/config

@@ -1,33 +1,9 @@
 [target.thumbv7m-none-eabi]
-# uncomment this to make `cargo run` execute programs on QEMU
-# runner = "qemu-system-arm -cpu cortex-m3 -machine lm3s6965evb -nographic -semihosting-config enable=on,target=native -kernel"
-
-[target.'cfg(all(target_arch = "arm", target_os = "none"))']
-# uncomment ONE of these three option to make `cargo run` start a GDB session
-# which option to pick depends on your system
-# runner = "arm-none-eabi-gdb -q -x openocd.gdb"
-# runner = "gdb-multiarch -q -x openocd.gdb"
-# runner = "gdb -q -x openocd.gdb"
-
+runner = "arm-none-eabi-gdb -q -x openocd.gdb"
 rustflags = [
-  # LLD (shipped with the Rust toolchain) is used as the default linker
+  "-C", "linker=rust-lld",
   "-C", "link-arg=-Tlink.x",
-
-  # if you run into problems with LLD switch to the GNU linker by commenting out
-  # this line
-  # "-C", "linker=arm-none-eabi-ld",
-
-  # if you need to link to pre-compiled C libraries provided by a C toolchain
-  # use GCC as the linker by commenting out both lines above and then
-  # uncommenting the three lines below
-  # "-C", "linker=arm-none-eabi-gcc",
-  # "-C", "link-arg=-Wl,-Tlink.x",
-  # "-C", "link-arg=-nostartfiles",
 ]
 
 [build]
-# Pick ONE of these compilation targets
-# target = "thumbv6m-none-eabi"    # Cortex-M0 and Cortex-M0+
-target = "thumbv7m-none-eabi"    # Cortex-M3
-# target = "thumbv7em-none-eabi"   # Cortex-M4 and Cortex-M7 (no FPU)
-# target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
+target = "thumbv7m-none-eabi"

Cargo.toml

@@ -2,32 +2,20 @@
 authors = ["sebastian"]
 edition = "2018"
 readme = "README.md"
-name = "STM32F1Test"
+name = "stm32_f1_blinky"
 version = "0.1.0"
 
 [dependencies]
-cortex-m = "0.6.0"
-cortex-m-rt = "0.6.8"
-cortex-m-semihosting = "0.3.2"
-panic-halt = "0.2.0"
-nb = "0.1.2"
-
-[dependencies.stm32f1]
-version = "0.8.0"
-features = ["stm32f103"]
-
-[dependencies.stm32f1xx-hal]
-version = "0.4.0"
-features = ["stm32f103", "rt"]
-
-[dependencies.embedded-hal]
-version = "0.2.3"
-features = ["unproven"]
+cortex-m = "0.6"
+cortex-m-rt = "0.6"
+stm32f1xx-hal = { version = "0.5.3", features = ["stm32f103", "stm32-usbd", "rt"] }
+panic-semihosting = "0.5"
+embedded-hal = "0.2.3"
 
 
 # this lets you use `cargo fix`!
 [[bin]]
-name = "STM32F1Test"
+name = "stm32_f1_blinky"
 test = false
 bench = false
 

build.rs

@@ -1,18 +1,15 @@
 use std::env;
-use std::fs::File;
+use std::fs;
 use std::io::Write;
 use std::path::PathBuf;
 
 fn main() {
     // Put the linker script somewhere the linker can find it
-    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
-    File::create(out.join("memory.x"))
+    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+    fs::File::create(out_dir.join("memory.x"))
         .unwrap()
         .write_all(include_bytes!("memory.x"))
         .unwrap();
-    println!("cargo:rustc-link-search={}", out.display());
-
-    // Only re-run the build script when memory.x is changed,
-    // instead of when any part of the source code changes.
+    println!("cargo:rustc-link-search={}", out_dir.display());
     println!("cargo:rerun-if-changed=memory.x");
 }

openocd.gdb

@@ -0,0 +1,11 @@
+set history save on
+set confirm off
+target extended-remote :3333
+set print asm-demangle on
+monitor arm semihosting enable
+monitor reset halt
+load
+# monitor verify
+# monitor reset
+# quit
+continue

run.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-cargo build || exit -1
-arm-none-eabi-gdb target/thumbv7m-none-eabi/debug/STM32F1Test

src/main.rs

@@ -1,22 +1,15 @@
-//! Blinks an LED
-//!
-//! This assumes that a LED is connected to pc13 as is the case on the blue pill board.
-//!
-//! Note: Without additional hardware, PC13 should not be used to drive an LED, see page 5.1.2 of
-//! the reference manaual for an explanation. This is not an issue on the blue pill.
-
 #![deny(unsafe_code)]
 #![no_std]
 #![no_main]
 
-use panic_halt as _;
 
-use nb::block;
+extern crate panic_semihosting;
+
 
 use stm32f1xx_hal::{
     prelude::*,
     pac,
-    timer::Timer,
+    delay::Delay,
 };
 use cortex_m_rt::entry;
 use embedded_hal::digital::v2::OutputPin;
@@ -43,14 +36,15 @@ fn main() -> ! {
     // Configure gpio C pin 13 as a push-pull output. The `crh` register is passed to the function
     // in order to configure the port. For pins 0-7, crl should be passed instead.
     let mut led = gpioc.pc13.into_push_pull_output(&mut gpioc.crh);
-    // Configure the syst timer to trigger an update every second
-    let mut timer = Timer::syst(cp.SYST, 1.hz(), clocks);
+
+
+    let mut delay = Delay::new(cp.SYST, clocks);
 
     // Wait for the timer to trigger an update and change the state of the LED
     loop {
-        block!(timer.wait()).unwrap();
         led.set_high().unwrap();
-        block!(timer.wait()).unwrap();
+        delay.delay_ms(1000u16);
         led.set_low().unwrap();
+        delay.delay_ms(1000u16);
     }
 }