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Add RTC example for STM32C0

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Tested on STM32C0116F6

Requries: https://github.com/embassy-rs/stm32-data/pull/617
This commit is contained in:
Alan Rosenthal 2025-06-10 18:46:41 -04:00
parent 6186d111a5
commit 5534a36507
3 changed files with 39 additions and 3 deletions
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4
embassy-stm32/Cargo.toml
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@ -81,7 +81,7 @@ futures-util = { version = "0.3.30", default-features = false }
sdio-host = "0.9.0"
critical-section = "1.1"
#stm32-metapac = { version = "16" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-27ef8fba3483187e852eaf3796d827259f61e8ec" }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-778e3d102186ebb12a8c8b60b7cafdd15858bab3" }
vcell = "0.1.3"
nb = "1.0.0"
@ -110,7 +110,7 @@ proc-macro2 = "1.0.36"
quote = "1.0.15"
#stm32-metapac = { version = "16", default-features = false, features = ["metadata"]}
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-27ef8fba3483187e852eaf3796d827259f61e8ec", default-features = false, features = ["metadata"] }
stm32-metapac = { git = "https://github.com/embassy-rs/stm32-data-generated", tag = "stm32-data-778e3d102186ebb12a8c8b60b7cafdd15858bab3", default-features = false, features = ["metadata"] }
[features]
default = ["rt"]

3
examples/stm32c0/Cargo.toml
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@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
[dependencies]
# Change stm32c031c6 to your chip name, if necessary.
embassy-stm32 = { version = "0.2.0", path = "../../embassy-stm32", features = [ "defmt", "time-driver-any", "stm32c031c6", "memory-x", "unstable-pac", "exti"] }
embassy-stm32 = { version = "0.2.0", path = "../../embassy-stm32", features = [ "defmt", "time-driver-any", "stm32c031c6", "memory-x", "unstable-pac", "exti", "chrono"] }
embassy-sync = { version = "0.7.0", path = "../../embassy-sync", features = ["defmt"] }
embassy-executor = { version = "0.7.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt"] }
embassy-time = { version = "0.4.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
@ -19,6 +19,7 @@ cortex-m-rt = "0.7.0"
embedded-hal = "0.2.6"
panic-probe = { version = "1.0.0", features = ["print-defmt"] }
heapless = { version = "0.8", default-features = false }
chrono = { version = "^0.4", default-features = false}
[profile.release]
debug = 2

35
examples/stm32c0/src/bin/rtc.rs Normal file
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@ -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;
}
}