MSP430FR2433: MCU wakeup from LPM3.5 mode at a specified time using RTC alarm

Jeevant Sah

Hello,

I am using this(Link) library to set RTC time and calendar in the MCU(MSP430FR2433). I want to wakeup my device at a specified time of the day and keep it in sleep rest of the time. Does Ti provide any efficient way to implement this like ST HAL library? if yes, please provide documentation and library for the same.

Thanks

Jeevant Sah

over 4 years ago

0 Henok Taffere over 4 years ago

TI__Intellectual 1940 points

Hi Jeevant,

At what stage are you in your development?

Have you downloaded the SDK and started with RTC code examples?

SDK: https://www.ti.com/design-resources/embedded-development/msp430-mcus.html#Development

In the SDK, you will find the msp430 driver library.

Code examples: https://dev.ti.com/tirex/explore/node?node=AJ4FbEhpy0QN9VgmlO5i8g__IOGqZri__LATEST

regards,

Henok

0 Jeevant Sah over 4 years ago in reply to Henok Taffere

Prodigy 100 points

Hi Henok,

We are in early stages of our development process.

Yes, I have gone through RTC example codes in SDK.

We are doing register level programming instead of using driver library. In the register level examples there is no such example to do it and also there is no way to set time and date using RTC which is why I used this library (Link) to set time and date. Now I am wondering if there is any external library provided by Ti to wakeup MCU at any specific time of the day.

Thanks

Jeevant Sah

0 Henok Taffere over 4 years ago in reply to Jeevant Sah

TI__Intellectual 1940 points

Jeevant,

So this app note is actually a bit outdated and meant for our flash based devices. There is a zip folder at the top of page 5 (section 6.1) but I do not think it would be of much help for you since its not for FRAM.

I don't believe we have a designated RTC library. My recommendation is to start with an RTC driverlib example and make modifications from there.

I will reach out to teammates to make sure.

regards,

Henok

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MSP430FR2433: MCU wakeup from LPM3.5 mode at a specified time using RTC alarm