nRF51822 xxAC RTC problem

RE: nRF51822 xxAC RTC problem

Rafaello — Mon, 22 Jul 2019 17:12:53 GMT

Hi, I don't use app_timer, I dont know why I have this file.

I deleted this and everything works fine.

RE: nRF51822 xxAC RTC problem

Edvin — Mon, 22 Jul 2019 09:13:32 GMT

The nRF51822 has 2 RTCs, RTC0 and RTC1. Typically, the Softdevice uses RTC0, and the app_timer uses RTC1.

Are you using the app_timer as well in your project? If so, both of your RTCs are already in use. If you are not using the app_timer, you can remove the app_timer files, and you should be good to go.

If you are using the app_timer, I suggest that you try to use this to what you are trying to use the RTC1 for.

RE: nRF51822 xxAC RTC problem

Rafaello — Mon, 08 Jul 2019 09:06:03 GMT

Hi, I had both RTC0 and RTC1 ENABLED 0
So I changed RTC1 to ENABLED 1 like you show me. But this changed nothing.
Moreover I saw i had:

// <e> RTC_ENABLED - nrf_drv_rtc - RTC peripheral driver
//==========================================================
#ifndef RTC_ENABLED
#define RTC_ENABLED 0
#endif

So i changed it to ENABLED 1. Then error which I mentioned in previous post dissapierd.

But now i have this error:

'multiple definition of 'RTC1_IRQHandler' I found that i have 2 of them.
One is in nrf_drv_rtc.c second in app_timer.c

Can i delete one of them without any doubts?

RE: nRF51822 xxAC RTC problem

Edvin — Fri, 05 Jul 2019 09:59:15 GMT

Have you set the correct RTC settings in sdk_config.h?

// <q> RTC0_ENABLED  - Enable RTC0 instance
 

#ifndef RTC0_ENABLED
#define RTC0_ENABLED 0
#endif

// <q> RTC1_ENABLED  - Enable RTC1 instance
 

#ifndef RTC1_ENABLED
#define RTC1_ENABLED 1
#endif

[quote user="Rafaello"]'RTC0_ENABLED' undeclared here (not in a function); [/quote]

This is probably pointing to a place in your project. Where does it point? (try double clicking it).

RE: nRF51822 xxAC RTC problem

Rafaello — Thu, 04 Jul 2019 19:29:27 GMT

OK, I found out that I lost one line of code so i added it:

const  nrf_drv_rtc_t           rtc = NRF_DRV_RTC_INSTANCE(1);

I have to use RTC1 because RTC0 is reserved for Soft Device. But when i Compile this i have neew Errors:

Error: use of undeclared identifier 'RTC0_ENABLED'

and

'RTC0_ENABLED' undeclared here (not in a function);

I'm using RTC1 so why this errors are about RTC0? and how to fix it?