Syntax
static esp_ble_ext_scan_params_t ext_scan_params = {
.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
.filter_policy = BLE_SCAN_FILTER_ALLOW_ALL,
.scan_duplicate = BLE_SCAN_DUPLICATE_DISABLE,
.cfg_mask = ESP_BLE_GAP_EXT_SCAN_CFG_UNCODE_MASK | ESP_BLE_GAP_EXT_SCAN_CFG_CODE_MASK,
.uncoded_cfg = {BLE_SCAN_TYPE_ACTIVE, 40, 40},
.coded_cfg = {BLE_SCAN_TYPE_ACTIVE, 40, 40},
};