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-rw-r--r--examples/stm32wl5x-lp/src/bin/blinky.rs59
1 files changed, 59 insertions, 0 deletions
diff --git a/examples/stm32wl5x-lp/src/bin/blinky.rs b/examples/stm32wl5x-lp/src/bin/blinky.rs
new file mode 100644
index 000000000..068b65248
--- /dev/null
+++ b/examples/stm32wl5x-lp/src/bin/blinky.rs
@@ -0,0 +1,59 @@
1#![no_std]
2#![no_main]
3
4use core::mem::MaybeUninit;
5
6use defmt::*;
7#[cfg(feature = "defmt-rtt")]
8use defmt_rtt as _;
9use embassy_executor::Spawner;
10use embassy_stm32::SharedData;
11use embassy_stm32::gpio::{Level, Output, Speed};
12use embassy_time::Timer;
13use panic_probe as _;
14
15#[unsafe(link_section = ".shared_data")]
16static SHARED_DATA: MaybeUninit<SharedData> = MaybeUninit::uninit();
17
18#[embassy_executor::main(executor = "embassy_stm32::Executor", entry = "cortex_m_rt::entry")]
19async fn async_main(_spawner: Spawner) {
20 let mut config = embassy_stm32::Config::default();
21 // enable HSI clock
22 // config.rcc.hsi = true;
23 // enable LSI clock for RTC
24 config.rcc.ls = embassy_stm32::rcc::LsConfig::default_lsi();
25 config.rcc.msi = Some(embassy_stm32::rcc::MSIRange::RANGE4M);
26 config.rcc.sys = embassy_stm32::rcc::Sysclk::MSI;
27 #[cfg(feature = "defmt-serial")]
28 {
29 // disable debug during sleep to reduce power consumption since we are
30 // using defmt-serial on LPUART1.
31 config.enable_debug_during_sleep = false;
32 }
33 let p = embassy_stm32::init_primary(config, &SHARED_DATA);
34
35 #[cfg(feature = "defmt-serial")]
36 {
37 use embassy_stm32::mode::Blocking;
38 use embassy_stm32::usart::Uart;
39 use static_cell::StaticCell;
40 let config = embassy_stm32::usart::Config::default();
41 let uart = Uart::new_blocking(p.LPUART1, p.PA3, p.PA2, config).expect("failed to configure UART!");
42 static SERIAL: StaticCell<Uart<'static, Blocking>> = StaticCell::new();
43 defmt_serial::defmt_serial(SERIAL.init(uart));
44 }
45
46 info!("Hello World!");
47
48 let mut led = Output::new(p.PB15, Level::High, Speed::Low);
49
50 loop {
51 info!("low");
52 led.set_low();
53 Timer::after_millis(5000).await;
54
55 info!("high");
56 led.set_high();
57 Timer::after_millis(5000).await;
58 }
59}