rename examples

embassy-stm32f4-examples/Cargo.toml

@@ -0,0 +1,39 @@
+[package]
+authors = ["Dario Nieuwenhuis <dirbaio@dirbaio.net>"]
+edition = "2018"
+name = "embassy-stm32f4-examples"
+version = "0.1.0"
+
+[features]
+default = [
+    "defmt-default",
+]
+defmt-default = []
+defmt-trace = []
+defmt-debug = []
+defmt-info = []
+defmt-warn = []
+defmt-error = []
+
+
+[dependencies]
+embassy = { version = "0.1.0", path = "../embassy", features = ["defmt", "defmt-trace"] }
+embassy-stm32f4 = { version = "*", path = "../embassy-stm32f4", features = ["stm32f405"] }
+
+defmt = "0.1.3"
+defmt-rtt = "0.1.0"
+
+cortex-m        = { version = "0.6.3" }
+cortex-m-rt = "0.6.13"
+embedded-hal    = { version = "0.2.4" }
+panic-probe = "0.1.0"
+stm32f4xx-hal  = { version = "0.8.3", features = ["rt", "stm32f405"], git = "https://github.com/stm32-rs/stm32f4xx-hal.git"}
+futures = { version = "0.3.8", default-features = false, features = ["async-await"] }
+cortex-m-rtic = "0.5"
+rtt-target = { version = "0.3", features = ["cortex-m"] }
+
+
+
+[[bin]]
+name = "serial"
+path = "src/serial.rs"

embassy-stm32f4-examples/src/serial.rs

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+#![no_std]
+#![no_main]
+#![feature(trait_alias)]
+#![feature(type_alias_impl_trait)]
+
+// extern crate panic_halt;
+
+use cortex_m::singleton;
+use cortex_m_rt::entry;
+use embassy::executor::{task, Executor};
+use embassy::util::Forever;
+use embassy_stm32f4::interrupt;
+use embassy_stm32f4::serial;
+use stm32f4xx_hal::stm32;
+use stm32f4xx_hal::{prelude::*, serial::config};
+
+#[task]
+async fn run(dp: stm32::Peripherals, cp: cortex_m::Peripherals) {
+    // https://gist.github.com/thalesfragoso/a07340c5df6eee3b04c42fdc69ecdcb1
+    let gpioa = dp.GPIOA.split();
+    let rcc = dp.RCC.constrain();
+
+    let clocks = rcc
+        .cfgr
+        .use_hse(16.mhz())
+        .sysclk(48.mhz())
+        .pclk1(24.mhz())
+        .freeze();
+
+    let mut serial = serial::Serial::new(
+        gpioa.pa9.into_alternate_af7(),
+        gpioa.pa10.into_alternate_af7(),
+        interrupt::take!(DMA2_STREAM2),
+        interrupt::take!(DMA2_STREAM7),
+        interrupt::take!(USART1),
+        dp.DMA2,
+        dp.USART1,
+        config::Parity::ParityNone,
+        9600.bps(),
+        clocks,
+    );
+
+    let buf = singleton!(: [u8; 30] = [0; 30]).unwrap();
+
+    buf[5] = 0x01;
+
+    serial.send(buf).await;
+}
+
+static EXECUTOR: Forever<Executor> = Forever::new();
+
+#[entry]
+fn main() -> ! {
+    let dp = stm32::Peripherals::take().unwrap();
+    let cp = cortex_m::peripheral::Peripherals::take().unwrap();
+
+    let executor = EXECUTOR.put(Executor::new(cortex_m::asm::sev));
+    executor.spawn(run(dp, cp));
+
+    loop {
+        executor.run();
+        cortex_m::asm::wfe();
+    }
+}