tests/stm32: add stop and cleanpu

embassy-stm32/src/low_power.rs

@@ -3,7 +3,6 @@ use core::marker::PhantomData;
 
 use cortex_m::peripheral::SCB;
 use embassy_executor::*;
-use embassy_time::Duration;
 
 use crate::interrupt;
 use crate::interrupt::typelevel::Interrupt;

tests/stm32/Cargo.toml

@@ -7,7 +7,7 @@ autobins = false
 
 [features]
 stm32f103c8 = ["embassy-stm32/stm32f103c8", "not-gpdma"]     # Blue Pill
-stm32f429zi = ["embassy-stm32/stm32f429zi", "chrono", "can", "not-gpdma", "dac-adc-pin"]     # Nucleo "sdmmc"
+stm32f429zi = ["embassy-stm32/stm32f429zi", "chrono", "stop", "can", "not-gpdma", "dac-adc-pin"]     # Nucleo "sdmmc"
 stm32g071rb = ["embassy-stm32/stm32g071rb", "not-gpdma", "dac-adc-pin"]     # Nucleo
 stm32c031c6 = ["embassy-stm32/stm32c031c6", "not-gpdma"]     # Nucleo
 stm32g491re = ["embassy-stm32/stm32g491re", "not-gpdma"]     # Nucleo
@@ -17,6 +17,7 @@ stm32h563zi = ["embassy-stm32/stm32h563zi"]     # Nucleo
 stm32u585ai = ["embassy-stm32/stm32u585ai"]     # IoT board
 
 sdmmc = []
+stop = ["embassy-stm32/low-power"]
 chrono = ["embassy-stm32/chrono", "dep:chrono"]
 can = []
 ble = ["dep:embassy-stm32-wpan", "embassy-stm32-wpan/ble"]
@@ -47,6 +48,7 @@ micromath = "2.0.0"
 panic-probe = { version = "0.3.0", features = ["print-defmt"] }
 rand_core = { version = "0.6", default-features = false }
 rand_chacha = { version = "0.3", default-features = false }
+static_cell = {version = "1.1", features = ["nightly"] }
 
 chrono = { version = "^0.4", default-features = false, optional = true}
 
@@ -87,6 +89,11 @@ name = "spi_dma"
 path = "src/bin/spi_dma.rs"
 required-features = []
 
+[[bin]]
+name = "stop"
+path = "src/bin/stop.rs"
+required-features = [ "stop", "chrono",]
+
 [[bin]]
 name = "timer"
 path = "src/bin/timer.rs"

tests/stm32/src/bin/stop.rs

@@ -0,0 +1,53 @@
+// required-features: stop,chrono
+
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+#[path = "../common.rs"]
+mod common;
+
+use chrono::NaiveDate;
+use common::*;
+use cortex_m_rt::entry;
+use embassy_executor::Spawner;
+use embassy_stm32::low_power::{stop_with_rtc, Executor};
+use embassy_stm32::rtc::{Rtc, RtcClockSource, RtcConfig};
+use embassy_time::{Duration, Timer};
+use static_cell::make_static;
+
+#[entry]
+fn main() -> ! {
+    let executor = Executor::take();
+    executor.run(|spawner| {
+        unwrap!(spawner.spawn(async_main(spawner)));
+    });
+}
+
+#[embassy_executor::task]
+async fn async_main(_spawner: Spawner) {
+    let mut config = config();
+
+    config.rcc.rtc = Some(RtcClockSource::LSI);
+
+    let p = embassy_stm32::init(config);
+    info!("Hello World!");
+
+    let now = NaiveDate::from_ymd_opt(2020, 5, 15)
+        .unwrap()
+        .and_hms_opt(10, 30, 15)
+        .unwrap();
+
+    let mut rtc = Rtc::new(p.RTC, RtcConfig::default());
+
+    rtc.set_datetime(now.into()).expect("datetime not set");
+
+    let rtc = make_static!(rtc);
+
+    stop_with_rtc(rtc);
+
+    info!("Waiting 5 seconds");
+    Timer::after(Duration::from_secs(5)).await;
+
+    info!("Test OK");
+    cortex_m::asm::bkpt();
+}