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Merge branch 'change/hfp_hf_example' into 'master'

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change(bt/examples): Add the use of internal codec APIs in the hfp_hf example

Closes IDFGH-17271

See merge request espressif/esp-idf!46168
This commit is contained in:
Wang Meng Yang
2026-03-05 19:44:33 +08:00
parent 52f3bf88f1 2dfc09fbbd
commit 38f37e18af
1 changed files with 76 additions and 5 deletions
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examples/bluetooth/bluedroid/classic_bt/hfp_hf/main/bt_app_hf.c
+76 -5
View File
@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
@@ -17,6 +17,7 @@
#include "esp_bt_device.h"
#include "esp_gap_bt_api.h"
#include "esp_hf_client_api.h"
#include "esp_hf_client_legacy_api.h"
#include "esp_pbac_api.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
@@ -174,7 +175,9 @@ extern esp_bd_addr_t peer_addr;
// If you want to connect a specific device, add it's address here
// esp_bd_addr_t peer_addr = {0xac, 0x67, 0xb2, 0x53, 0x77, 0xbe};
#if CONFIG_BT_HFP_AUDIO_DATA_PATH_HCI && CONFIG_BT_HFP_USE_EXTERNAL_CODEC
#if CONFIG_BT_HFP_AUDIO_DATA_PATH_HCI
#if CONFIG_BT_HFP_USE_EXTERNAL_CODEC
static esp_hf_sync_conn_hdl_t s_sync_conn_hdl;
static bool s_msbc_air_mode = false;
@@ -222,7 +225,62 @@ static void bt_app_hf_client_audio_data_cb(esp_hf_sync_conn_hdl_t sync_conn_hdl,
}
}
#endif /* #if CONFIG_BT_HFP_AUDIO_DATA_PATH_HCI && CONFIG_BT_HFP_USE_EXTERNAL_CODEC */
#else
#define ESP_HFP_RINGBUF_SIZE 3600
static RingbufHandle_t m_rb = NULL;
static void bt_app_hf_client_audio_open(void)
{
m_rb = xRingbufferCreate(ESP_HFP_RINGBUF_SIZE, RINGBUF_TYPE_BYTEBUF);
}
static void bt_app_hf_client_audio_close(void)
{
if (!m_rb) {
return ;
}
vRingbufferDelete(m_rb);
}
static uint32_t bt_app_hf_client_outgoing_cb(uint8_t *p_buf, uint32_t sz)
{
if (!m_rb) {
return 0;
}
size_t item_size = 0;
uint8_t *data = xRingbufferReceiveUpTo(m_rb, &item_size, 0, sz);
if (item_size == sz) {
memcpy(p_buf, data, item_size);
vRingbufferReturnItem(m_rb, data);
return sz;
} else if (0 < item_size) {
vRingbufferReturnItem(m_rb, data);
return 0;
} else {
// data not enough, do not read
return 0;
}
}
static void bt_app_hf_client_incoming_cb(const uint8_t *buf, uint32_t sz)
{
if (! m_rb) {
return;
}
BaseType_t done = xRingbufferSend(m_rb, (uint8_t *)buf, sz, 0);
if (! done) {
ESP_LOGE(BT_HF_TAG, "rb send fail");
}
esp_hf_client_outgoing_data_ready();
}
#endif /* #if CONFIG_BT_HFP_USE_EXTERNAL_CODEC */
#endif /* #if CONFIG_BT_HFP_AUDIO_DATA_PATH_HCI */
/* callback for HF_CLIENT */
void bt_app_hf_client_cb(esp_hf_client_cb_event_t event, esp_hf_client_cb_param_t *param)
@@ -251,7 +309,9 @@ void bt_app_hf_client_cb(esp_hf_client_cb_event_t event, esp_hf_client_cb_param_
{
ESP_LOGI(BT_HF_TAG, "--audio state %s",
c_audio_state_str[param->audio_stat.state]);
#if CONFIG_BT_HFP_AUDIO_DATA_PATH_HCI && CONFIG_BT_HFP_USE_EXTERNAL_CODEC
#if CONFIG_BT_HFP_AUDIO_DATA_PATH_HCI
#if CONFIG_BT_HFP_USE_EXTERNAL_CODEC
if (param->audio_stat.state == ESP_HF_CLIENT_AUDIO_STATE_CONNECTED_MSBC) {
s_msbc_air_mode = true;
ESP_LOGI(BT_HF_TAG, "--audio air mode: mSBC , preferred_frame_size: %d", param->audio_stat.preferred_frame_size);
@@ -276,7 +336,18 @@ void bt_app_hf_client_cb(esp_hf_client_cb_event_t event, esp_hf_client_cb_param_
vQueueDelete(s_audio_buff_queue);
s_audio_buff_cnt = 0;
}
#endif /* #if CONFIG_BT_HFP_AUDIO_DATA_PATH_HCI && CONFIG_BT_HFP_USE_EXTERNAL_CODEC */
#else
if (param->audio_stat.state == ESP_HF_CLIENT_AUDIO_STATE_CONNECTED ||
param->audio_stat.state == ESP_HF_CLIENT_AUDIO_STATE_CONNECTED_MSBC) {
esp_hf_client_register_data_callback(bt_app_hf_client_incoming_cb,
bt_app_hf_client_outgoing_cb);
bt_app_hf_client_audio_open();
} else if (param->audio_stat.state == ESP_HF_CLIENT_AUDIO_STATE_DISCONNECTED) {
bt_app_hf_client_audio_close();
}
#endif /* #if CONFIG_BT_HFP_USE_EXTERNAL_CODEC */
#endif /* #if CONFIG_BT_HFP_AUDIO_DATA_PATH_HCI */
break;
}