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I downloaded the latest SDK(15.1), and how to advertising more infomation,more than 31 byte.
init.config.ble_adv_extended_enabled = true;
0> <error> app: ERROR 7 [NRF_ERROR_INVALID_PARAM] at ..\..\..\main.c:699
0> PC at: 0x00029363
0> <error> app: End of error report
uint32_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST);
APP_ERROR_CHECK(err_code); // ERROR 7 [NRF_ERROR_INVALID_PARAM]