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

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/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include "esp_log.h"
#include "esp_bluedroid_hci.h"
#include "common/bt_target.h"
#include "hci/hci_trans_int.h"
#if (BT_CONTROLLER_INCLUDED == TRUE)
#include "esp_bt.h"
#endif
#define LOG_TAG "HCI_API"
static esp_bluedroid_hci_driver_operations_t s_hci_driver_ops = { 0 };
esp_err_t esp_bluedroid_attach_hci_driver(const esp_bluedroid_hci_driver_operations_t *p_ops)
{
if (!p_ops) {
ESP_LOGE(LOG_TAG, "%s invalid function parameter", __func__);
return ESP_FAIL;
}
s_hci_driver_ops.send = p_ops->send;
s_hci_driver_ops.check_send_available = p_ops->check_send_available;
s_hci_driver_ops.register_host_callback = p_ops->register_host_callback;
return ESP_OK;
}
esp_err_t esp_bluedroid_detach_hci_driver(void)
{
s_hci_driver_ops.send = NULL;
s_hci_driver_ops.check_send_available = NULL;
s_hci_driver_ops.register_host_callback = NULL;
return ESP_OK;
}
/****************************************************************
* INTERNAL USE *
****************************************************************/
bool hci_host_check_send_available(void)
{
bool can_send = false;
#if (BT_CONTROLLER_INCLUDED == TRUE)
can_send = esp_vhci_host_check_send_available();
#else /* BT_CONTROLLER_INCLUDED == TRUE */
if (s_hci_driver_ops.check_send_available) {
can_send = s_hci_driver_ops.check_send_available();
}
#endif /* BT_CONTROLLER_INCLUDED == TRUE */
return can_send;
}
void hci_host_send_packet(uint8_t *data, uint16_t len)
{
#if (BT_CONTROLLER_INCLUDED == TRUE)
esp_vhci_host_send_packet(data, len);
#else /* BT_CONTROLLER_INCLUDED == TRUE */
if (s_hci_driver_ops.send) {
s_hci_driver_ops.send(data, len);
}
#endif /* BT_CONTROLLER_INCLUDED == TRUE */
}
esp_err_t hci_host_register_callback(const esp_bluedroid_hci_driver_callbacks_t *callback)
{
esp_err_t ret = ESP_FAIL;
if (!callback) {
ESP_LOGE(LOG_TAG, "%s invalid function parameter", __func__);
return ESP_FAIL;
}
#if (BT_CONTROLLER_INCLUDED == TRUE)
ret = esp_vhci_host_register_callback((esp_vhci_host_callback_t *)callback);
#else /* BT_CONTROLLER_INCLUDED == TRUE */
if (s_hci_driver_ops.register_host_callback) {
ret = s_hci_driver_ops.register_host_callback(callback);
}
#endif /* BT_CONTROLLER_INCLUDED == TRUE */
return ret;
}