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...

I am currently trying to get a pair of stm32l152 (discovery kit) to communicate via I2C. (i am not using the standard peripheral library provided by STM as i want to try to implement the i2c myself...