attempt to use dcf77_utils

Cargo.lock

@@ -168,6 +168,15 @@ dependencies = [
  "syn 2.0.37",
 ]
 
+[[package]]
+name = "dcf77_utils"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "824d8617af2b569a01b5498c76efa9dca0acba748d4b339d5fbe3c7e28cb4cfb"
+dependencies = [
+ "radio_datetime_utils",
+]
+
 [[package]]
 name = "defmt"
 version = "0.3.5"
@@ -225,6 +234,7 @@ version = "0.1.0"
 dependencies = [
  "cortex-m",
  "cortex-m-rt",
+ "dcf77_utils",
  "defmt",
  "defmt-rtt",
  "embassy-executor",
@@ -691,6 +701,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "radio_datetime_utils"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95cdd3b90edcd89072979b07d58b98573e6042d7d79f9b3c43aa14ceea645d6e"
+
 [[package]]
 name = "rand_core"
 version = "0.6.4"

Cargo.toml

@@ -6,6 +6,7 @@ edition = "2021"
 [dependencies]
 cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
 cortex-m-rt = "0.7"
+dcf77_utils = "0.5"
 defmt = "0.3"
 defmt-rtt = "0.3"
 # potentially use executor-interrupt instead of executor-thread for cortex-m architectures

src/main.rs

@@ -6,7 +6,8 @@
 
 mod static_mutex;
 
-use defmt::*;
+use dcf77_utils::DCF77Utils;
+use defmt::{assert, info, println, unwrap};
 use defmt_rtt as _;
 use embassy_executor::Spawner;
 use embassy_stm32::{
@@ -62,39 +63,32 @@ async fn query_time(mut pon: POn, mut tco: Tco, interval: Duration) {
 		pon.set_low();
 		info!("Waiting");
 		tco.wait_for_falling_edge().await;
-		// for _ in 0 .. 10 {
-		// 	info!("Receiving");
-		// 	let mut bytes = 0u64;
-		// 	for _ in 0 .. 60 {
-		// 		bytes = (bytes << 1) | (tco.is_low() as u64);
-		// 		Timer::after(Duration::from_millis(100)).await;
-		// 	}
-		// 	info!("DCF77: {:X}", bytes);
-		// }
+		info!("Receiving");
+
+		let mut dcf77 = DCF77Utils::new();
 		let start = Instant::now();
-		let mut next = start;
-		for _ in 0 .. 120 {
-			let mut bytes = 0u16;
-			for _ in 0 .. 10 {
-				bytes = (bytes << 1) | (tco.is_low() as u16);
-				next += Duration::from_millis(100);
-				Timer::at(next).await;
+		loop {
+			tco.wait_for_any_edge().await;
+			let elapsed = start.elapsed();
+			while elapsed.as_secs() > dcf77.get_second() as u64 {
+				dcf77.increase_second();
 			}
+			dcf77.handle_new_edge(tco.is_low(), start.elapsed().as_millis() as u32);
+			if dcf77.get_second() + 1 == dcf77.get_next_minute_length() {
+				dcf77.decode_time();
+				let datetime = dcf77.get_radio_datetime();
 				println!(
-				"{}{}{}{}{}{}{}{}{}{} ({})",
-				(bytes >> 9) & 1,
-				(bytes >> 8) & 1,
-				(bytes >> 7) & 1,
-				(bytes >> 6) & 1,
-				(bytes >> 5) & 1,
-				(bytes >> 4) & 1,
-				(bytes >> 3) & 1,
-				(bytes >> 2) & 1,
-				(bytes >> 1) & 1,
-				bytes & 1,
-				start.elapsed().as_millis()
+					"{}.{}.{} {}:{}",
+					datetime.get_day(),
+					datetime.get_month(),
+					datetime.get_year(),
+					datetime.get_hour(),
+					datetime.get_minute()
 				);
+				break;
 			}
+		}
+
 		pon.set_high();
 
 		Timer::after(interval).await;