I am having problem with RTC alarm interrupt of STM32L151. I want my program to go to RTC alarm interrupt every second but it does not work. My main funtion: int main(void) { HAL_Init(); SystemC...

My MacBook spontaneously wakes up from sleep mode with high fan activity. I want to do a investigate this in RTC or power settings? Or by strace-ing of processes, etc (using some process/kernel ma...

I was coding a program using Java for a clock that is able to "tick" but there are problems with it. I assume it has something to do with the getter and setters, or the toString() method. counter ...

The real-time clock /dev/rtc can be read using hwclock -r but only as root. >hwclock -r --debug hwclock from util-linux 2.23.2 hwclock: cannot open /dev/rtc: Permission denied No usable clock int...

I am trying to initialize the RTC on a STM32F469I-DISCO board. Since I am still learning, I tried to play with the HAL API that allow me to achieve some projects till the day I'll get enough unders...

I am programming STM32L051R8 and have next problem. I'm trying use standby mode in most part of time, and sometimes wake up by RTC, it is an auto wake-up. If I work without sleep - all works perfec...

How to wakeup android phone from sleep (suspend to mem) programmably? I don't want to acquire any wakelock, which means the phone goes into "real" sleep with the cpu disabled. I guess I can use som...

I am directly reading/writing the RTC through the port 0x70 and 0x71. As per the manual the weekday byte will hold the day of the week with Sunday=1 and values range from 1 to 7. When I read the by...

I wrote a little widget for Android devices. The widget uses AlarmManager to set recurring updates. I'm using the RTC clock for the AlarmManager. According to the documentation, if the device is ...