esp-idf/components/bt/host/bluedroid/api/esp_bt_device.c

/*
 * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#include <stdlib.h>
#include <string.h>
#include "esp_bt_device.h"
#include "esp_bt_main.h"
#include "device/controller.h"
#include "btc/btc_task.h"
#include "btc/btc_dev.h"

const uint8_t *esp_bt_dev_get_address(void)
{
    if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
	return NULL;
    }
    return controller_get_interface()->get_address()->address;
}

esp_err_t esp_bt_dev_set_device_name(const char *name)
{
    btc_msg_t msg = {0};
    btc_dev_args_t arg;

    if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
        return ESP_ERR_INVALID_STATE;
    }
    if (!name){
        return ESP_ERR_INVALID_ARG;
    }
    if (strlen(name) > BTC_MAX_LOC_BD_NAME_LEN) {
        return ESP_ERR_INVALID_ARG;
    }

    msg.sig = BTC_SIG_API_CALL;
    msg.pid = BTC_PID_DEV;
    msg.act = BTC_DEV_ACT_SET_DEVICE_NAME;
    arg.set_dev_name.device_name = (char *)malloc((BTC_MAX_LOC_BD_NAME_LEN + 1) * sizeof(char));
    if (!arg.set_dev_name.device_name) {
        return ESP_ERR_NO_MEM;
    }

    strcpy(arg.set_dev_name.device_name, name);

    return (btc_transfer_context(&msg, &arg, sizeof(btc_dev_args_t), NULL, NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
}