Posted on May 04, 2015 at 20:43Hi, I'm trying to write a custom initialization for GPIO of F1 and F3/F4 series. I've defined most of the MODE and IO types but stuct at alternate input mode. F1 series puts the pin to input mode while F3/F4 just sets ...

Posted on April 21, 2015 at 19:11Hello Guys, Working with multiple tasks in my project and one of the tasks measuring zero-crossings of power line mains with 5000 smaples/s and delivering detected zero-crossing to another task to be counted. I'have ...

Posted on April 20, 2015 at 10:33Hi, i have an external GPS signal that delivers seconds pulses (a short pulse every second). My goal is to count seconds in SW and trigger some actions every X seconds. Question a) I intend to use EXTI interrupt on e...

Posted on April 08, 2015 at 15:56Hello,MyProject: Calibrate RTC LSE clock continuously based on an external time reference.MyProblem: Calculation of re-calibration value.Description: I start a calibration measurement interval time t1 and stop it at ...