arduino-esp32/tools/sdk/include/esp32/esp_coexist.h

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// Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef __ESP_COEXIST_H__
#define __ESP_COEXIST_H__
#include <stdbool.h>
#include "esp_err.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief coex prefer value
*/
typedef enum {
ESP_COEX_PREFER_WIFI = 0, /*!< Prefer to WiFi, WiFi will have more opportunity to use RF */
ESP_COEX_PREFER_BT, /*!< Prefer to bluetooth, bluetooth will have more opportunity to use RF */
ESP_COEX_PREFER_BALANCE, /*!< Do balance of WiFi and bluetooth */
ESP_COEX_PREFER_NUM, /*!< Prefer value numbers */
} esp_coex_prefer_t;
/**
* @brief coex status type
*/
typedef enum {
ESP_COEX_ST_TYPE_WIFI = 0,
ESP_COEX_ST_TYPE_BLE,
ESP_COEX_ST_TYPE_BT,
} esp_coex_status_type_t;
#define ESP_COEX_BLE_ST_MESH_CONFIG 0x08
#define ESP_COEX_BLE_ST_MESH_TRAFFIC 0x10
#define ESP_COEX_BLE_ST_MESH_STANDBY 0x20
#define ESP_COEX_BT_ST_A2DP_STREAMING 0x10
#define ESP_COEX_BT_ST_A2DP_PAUSED 0x20
/**
* @brief Get software coexist version string
*
* @return : version string
*/
const char *esp_coex_version_get(void);
/**
* @deprecated Use esp_coex_status_bit_set() and esp_coex_status_bit_clear() instead.
* Set coexist preference of performance
* For example, if prefer to bluetooth, then it will make A2DP(play audio via classic bt)
* more smooth while wifi is runnning something.
* If prefer to wifi, it will do similar things as prefer to bluetooth.
* Default, it prefer to balance.
*
* @param prefer : the prefer enumeration value
* @return : ESP_OK - success, other - failed
*/
esp_err_t esp_coex_preference_set(esp_coex_prefer_t prefer);
/**
* @brief Set coex schm status
* @param type : WIFI/BLE/BT
* @param status : WIFI/BLE/BT STATUS
* @return : ESP_OK - success, other - failed
*/
esp_err_t esp_coex_status_bit_set(esp_coex_status_type_t type, uint32_t status);
/**
* @brief Clear coex schm status
* @param type : WIFI/BLE/BT
* @param status : WIFI/BLE/BT STATUS
* @return : ESP_OK - success, other - failed
*/
esp_err_t esp_coex_status_bit_clear(esp_coex_status_type_t type, uint32_t status);
/**
* @brief Enable BLE connection dynamic priority
* @attention If the parameter is true, BLE connection performance will be better but WiFi performance
* will be poorer. And vice versa.
* @param low_interval : true - Increase BLE connection priority to be higher than WiFi's when BLE
* connection interval is less or equal than 50 ms. The default value
* is false.
* false - not increace
* @param high_interval : true - Increase BLE connection priority to be higher than WiFi's when BLE
* connection interval is more than 50 ms. The default value is true.
* false - not increace
* @return : ESP_OK - success, other - failed
*/
esp_err_t esp_coex_ble_conn_dynamic_prio_enable(bool low_interval, bool high_interval);
#ifdef __cplusplus
}
#endif
#endif /* __ESP_COEXIST_H__ */