Device getting restart after advertising_start() function

Question

Hi, I am using following code inside for(;;) in main function 
 if(diff == 30) 
 advertising_stop();
else if(diff == 60)
 advertising_start();
 
 Following are the advertising_start and advertising_stop function 
 static void advertising_start(void) {
 uint32_t err_code;

 err_code = sd_ble_gap_adv_start(&m_adv_params);
 APP_ERROR_CHECK(err_code);

 err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING);
 APP_ERROR_CHECK(err_code);
}

static void advertising_stop(void) { 
 uint32_t err_code;
 err_code = sd_ble_gap_adv_stop(); 
 APP_ERROR_CHECK(err_code);

 err_code = bsp_indication_set(BSP_INDICATE_IDLE); 
 APP_ERROR_CHECK(err_code); 
}
 
 advertising_stop(); works properly when diff(time difference) reaches 30. but when diff reaches 60 and advertising_start() is called then device gets reset. What may be the reason behind this? 
 I am new to development framework, please guide me on this issue.

Einar Thorsrud · Accepted Answer

Error code 7 is NRF_ERROR_INVALID_PARAM , so it indicates that there is a problem with your m_adv_params. There is one major problem with m_adv_params, as you have set m_adv_params.interval = 0; , which is invalid. Referring to the documentation : 
 
 Advertising interval between 0x0020 and 0x4000 in 0.625 ms units (20ms to 10.24s)

Device getting restart after advertising_start() function

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