Add RTC example for STM32C0

Tested on STM32C0116F6

Requries: https://github.com/embassy-rs/stm32-data/pull/617

1 files changed, 35 insertions, 0 deletions

diff --git a/examples/stm32c0/src/bin/rtc.rs b/examples/stm32c0/src/bin/rtc.rs
new file mode 100644
index 000000000..82d8a37ba
--- /dev/null
+++ b/examples/stm32c0/src/bin/rtc.rs
@@ -0,0 +1,35 @@
+#![no_std]
+#![no_main]
+
+use chrono::{NaiveDate, NaiveDateTime};
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::rtc::{Rtc, RtcConfig};
+use embassy_stm32::Config;
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let config = Config::default();
+    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");
+
+    loop {
+        let now: NaiveDateTime = rtc.now().unwrap().into();
+
+        info!("{}", now.and_utc().timestamp());
+
+        Timer::after_millis(1000).await;
+    }
+}