How to enable RTC interrupt with HAL Library?

[ReV Hulk]

Posted on April 21, 2017 at 16:05

Hi everyone,

I'm using STM32F103 with CubeMX.

I enabled the RTC Global Interrupt but I don't know how to configure it to generate a 1/4 second interrupt?

Because the Reference Manual says:

Three dedicated maskable interrupt lines:

– Alarm interrupt, for generating a software programmable alarm interrupt.–

Seconds interrupt, for generating a periodic interrupt signal with a programmable

period length (up to 1 second).

– Overflow interrupt, to detect when the internal programmable counter rolls over tozero.

Could anybody show me how to configure this with HAL Library?

Best regards,

ReV.

[Imen.D]

Posted on April 21, 2017 at 17:55

Hi,

Enable the RTC Alarm interrupt using HAL_RTC_ALARM_ENABLE_IT (hrtc,RTC_IT_ALRA)

You can refer to ready RTC example

inside the STM32CubeF1 at this path, it may help you on how implementation is done:

STM32Cube_FW_F1_V1.4.0\Projects\STM32F103RB-Nucleo\Examples\RTC\RTC_Alarm

The

 

http://www.st.com/content/ccc/resource/technical/document/user_manual/72/52/cc/53/05/e3/4c/98/DM00154093.pdf/files/DM00154093.pdf/jcr:content/translations/en.DM00154093.pdf

 

Description of STM32F1xx HAL drivers, may help you to have more idea about the use of HAL functions.

Imen