Is there any conflict when NRF_TEMP->TASKS_START = 1; is used in ble_app_uart??

[Eisenheim]

Hi all,

I am working on a ble_app_uart sdk example thereby I can connect the bluetooth of nRf52840 to My mobile. I want to read the temperature and send it to my Mobile. So I am customize my ble_app_uart example so that I am used NRF_TEMP->TASKS_START = 1 for start the measurement of temperature. But when NRF_TEMP is called system reset occurs.Please Help me if anyone know.

[Håkon Alseth]

Hi,

 

The TEMP peripheral is used for calibration of the RC oscillator, and is therefore a restricted peripheral when the softdevice is on.

Try using "err_code = sd_temp_get(&my_temp_var);" instead.

[Eisenheim]

Thanks Hakon Alseth . The API "sd_temp_get" is defined in which library file?

[Håkon Alseth]

Its in nrf_soc.h, an SVC API call to the softdevice.

 

Cheers,

Håkon

[Eisenheim]

Thank u Hakon Alseth. In my sdk example file nrf_soc.h there is no API named sd_temp_get.

[Håkon Alseth]

There are several nrf_soc.h, depending on the softdevice used.

Since you seem to be using nRF52840, I assume that you're using a BLE project with SoftDevice S140, then the correct header location is:

components\softdevice\s140\headers\nrf_soc.h

 

Kind regards,

Håkon