9 files changed, 417 insertions, 0 deletions
diff --git a/sw/demo1/.cargo/config b/sw/demo1/.cargo/config
new file mode 100644
index 0000000..3d62a59
--- /dev/null
+++ b/sw/demo1/.cargo/config
@@ -0,0 +1,8 @@
+[target.thumbv7em-none-eabihf]
+runner = 'arm-none-eabi-gdb'
+rustflags = [
+  "-C", "link-arg=-Tlink.x",
+]
+
+[build]
+target = "thumbv7em-none-eabihf"
diff --git a/sw/demo1/.gitignore b/sw/demo1/.gitignore
new file mode 100644
index 0000000..eb5a316
--- /dev/null
+++ b/sw/demo1/.gitignore
@@ -0,0 +1 @@
+target
diff --git a/sw/demo1/Cargo.lock b/sw/demo1/Cargo.lock
new file mode 100644
index 0000000..59d2cba
--- /dev/null
+++ b/sw/demo1/Cargo.lock
@@ -0,0 +1,265 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "aligned"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
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+dependencies = [
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diff --git a/sw/demo1/Cargo.toml b/sw/demo1/Cargo.toml
new file mode 100644
index 0000000..7219b30
--- /dev/null
+++ b/sw/demo1/Cargo.toml
@@ -0,0 +1,27 @@
+[package]
+name = "demo1"
+version = "0.1.0"
+authors = ["Matthias P. Braendli <matthias.braendli@mpb.li>"]
+edition = "2018"
+license = "MIT"
+
+[dependencies]
+# alloc-cortex-m = "0.3" # requires nightly
+cortex-m = "0.6"
+cortex-m-rt = "0.6"
+# consider cortex-m-rtfm
+cortex-m-semihosting = "0.3"
+panic-semihosting = "0.5"
+nb = "0.1"
+#stm32h7 = { version = "0.9", features = ["stm32h743", "rt"] }
+stm32f1xx-hal = { version = "0.5", features = ["rt", "stm32f103"] }
+embedded-hal = { version = "0.2", features = [] }
+
+[profile.dev]
+codegen-units = 1
+incremental = false
+
+[profile.release]
+codegen-units = 1
+debug = true
+lto = true
diff --git a/sw/demo1/Makefile b/sw/demo1/Makefile
new file mode 100644
index 0000000..1dcb47c
--- /dev/null
+++ b/sw/demo1/Makefile
@@ -0,0 +1,18 @@
+.PHONY: all openocd debug
+
+OPENOCD := openocd
+OPENOCD_CFG := /usr/share/openocd/scripts/target/stm32f1x.cfg
+BIN := target/thumbv7em-none-eabihf/release/demo1
+
+# Build and flash in release mode
+all:
+	cargo build --release
+	$(OPENOCD) -f $(OPENOCD_CFG) -c "program $(BIN) reset exit"
+
+# Start a openocd session.
+openocd:
+	$(OPENOCD) -f $(OPENOCD_CFG)
+
+# Start a gdb session. Works if a valid openocd session is existing.
+debug:
+	arm-none-eabi-gdb $(BIN) -q -x utils/debug.gdb
diff --git a/sw/demo1/README.md b/sw/demo1/README.md
new file mode 100644
index 0000000..496864c
--- /dev/null
+++ b/sw/demo1/README.md
@@ -0,0 +1,4 @@
+demo1 example
+=============
+
+See examples in https://github.com/stm32-rs/stm32f1xx-hal/tree/v0.5.3/examples
diff --git a/sw/demo1/build.rs b/sw/demo1/build.rs
new file mode 100644
index 0000000..f2cbda3
--- /dev/null
+++ b/sw/demo1/build.rs
@@ -0,0 +1,16 @@
+use std::env;
+use std::fs::File;
+use std::io::Write;
+use std::path::PathBuf;
+
+fn main() {
+    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    File::create(out.join("memory.x"))
+        .unwrap()
+        .write_all(include_bytes!("memory.x"))
+        .unwrap();
+
+    println!("cargo:rustc-link-search={}", out.display());
+    println!("cargo:rerun-if-changed=build.rs");
+    println!("cargo:rerun-if-changed=memory.x");
+}
diff --git a/sw/demo1/memory.x b/sw/demo1/memory.x
new file mode 100644
index 0000000..71f245d
--- /dev/null
+++ b/sw/demo1/memory.x
@@ -0,0 +1,6 @@
+/* Linker script for the STM32F103C8T6 */
+MEMORY
+{
+  FLASH : ORIGIN = 0x08000000, LENGTH = 64K
+  RAM : ORIGIN = 0x20000000, LENGTH = 20K
+}
diff --git a/sw/demo1/src/main.rs b/sw/demo1/src/main.rs
new file mode 100644
index 0000000..80e38b9
--- /dev/null
+++ b/sw/demo1/src/main.rs
@@ -0,0 +1,72 @@
+#![no_main]
+#![no_std]
+
+use cortex_m_rt::ExceptionFrame;
+use cortex_m_semihosting::hio;
+use panic_semihosting as _;
+
+use stm32f1xx_hal::{
+    prelude::*,
+    pac,
+    timer::Timer,
+};
+
+use embedded_hal::digital::v2::{OutputPin, ToggleableOutputPin};
+
+use core::fmt::Write;
+use nb::block;
+
+fn print(step: usize) -> Result<(), core::fmt::Error> {
+    let mut stdout = match hio::hstdout() {
+        Ok(fd) => fd,
+        Err(()) => return Err(core::fmt::Error),
+    };
+
+    let language = "Rust";
+    let ranking = 1;
+
+    write!(stdout, "{}: {} on embedded is #{}!\n", step, language, ranking)?;
+
+    Ok(())
+}
+
+#[cortex_m_rt::entry]
+fn main() -> ! {
+    let cp = cortex_m::Peripherals::take().unwrap();
+    let dp = pac::Peripherals::take().unwrap();
+
+    let mut flash = dp.FLASH.constrain();
+    let mut rcc = dp.RCC.constrain();
+    let clocks = rcc.cfgr.freeze(&mut flash.acr);
+
+    let mut gpiob = dp.GPIOB.split(&mut rcc.apb2);
+
+    // Configure PB14 as output. (LED)
+    let mut led = gpiob.pb14.into_push_pull_output(&mut gpiob.crh);
+    led.set_low().unwrap();
+
+    let mut timer = Timer::syst(cp.SYST, &clocks).start_count_down(1.hz());
+
+    let mut step = 0;
+    print(step).unwrap();
+
+    loop {
+        for _ in 0..5 {
+            led.toggle().unwrap();
+            block!(timer.wait()).ok();
+        }
+
+        print(step).unwrap();
+        step += 1;
+    }
+}
+
+#[cortex_m_rt::exception]
+fn HardFault(ef: &ExceptionFrame) -> ! {
+    panic!("HardFault at {:#?}", ef);
+}
+
+#[cortex_m_rt::exception]
+fn DefaultHandler(irqn: i16) {
+    panic!("Unhandled exception (IRQn = {})", irqn);
+}