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RTC alarm test timing was off

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This commit is contained in:
1-rafael-1 2025-09-16 05:49:14 +02:00
parent 362624ca5f
commit a54996d8d7
1 changed files with 16 additions and 4 deletions
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20
tests/rp/src/bin/rtc.rs
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@ -36,6 +36,7 @@ async fn main(_spawner: Spawner) {
second: 0,
};
rtc.set_datetime(now).unwrap();
Timer::after_millis(100).await;
}
// Test 1: Basic RTC functionality - read current time
@ -53,8 +54,18 @@ async fn main(_spawner: Spawner) {
// Test 2: Schedule and wait for alarm
info!("Testing alarm scheduling");
// Schedule alarm for 3 seconds from now
let alarm_second = (initial_time.second + 3) % 60;
// Wait until we're at a predictable second, then schedule for a future second
loop {
let current = rtc.now().unwrap();
if current.second <= 55 {
break;
}
Timer::after_millis(100).await;
}
// Now schedule alarm for 3 seconds from current time
let current_time = rtc.now().unwrap();
let alarm_second = (current_time.second + 3) % 60;
let alarm_filter = DateTimeFilter::default().second(alarm_second);
info!("Scheduling alarm for second: {}", alarm_second);
@ -69,13 +80,13 @@ async fn main(_spawner: Spawner) {
let alarm_start = Instant::now();
match select(Timer::after_secs(5), rtc.wait_for_alarm()).await {
Either::First(_) => {
core::panic!("Alarm timeout - alarm should have triggered within 5 seconds");
core::panic!("Alarm timeout - alarm should have triggered by now");
}
Either::Second(_) => {
let alarm_duration = Instant::now() - alarm_start;
info!("ALARM TRIGGERED after {:?}", alarm_duration);
// Verify timing is reasonable (should be around 3 seconds, allow some margin)
// Verify timing is reasonable (should be around 3 seconds)
assert!(
alarm_duration >= Duration::from_secs(2) && alarm_duration <= Duration::from_secs(4),
"Alarm timing incorrect: {:?}",
@ -107,6 +118,7 @@ async fn main(_spawner: Spawner) {
post_alarm_scheduled.is_none(),
"Alarm should not be scheduled after triggering"
);
info!("Alarm correctly cleared after triggering");
info!("Test OK");
cortex_m::asm::bkpt();