components/bt: Add API and EVT for set AFH channels(BR/EDR)

components/bt/bluedroid/api/esp_gap_bt_api.c

@@ -347,4 +347,22 @@ esp_err_t esp_bt_gap_ssp_confirm_reply(esp_bd_addr_t bd_addr, bool accept)
 
 #endif /*(BT_SSP_INCLUDED == TRUE)*/
 
+esp_err_t esp_bt_gap_set_afh_channels(esp_bt_gap_afh_channels channels)
+{
+    btc_msg_t msg;
+    btc_gap_bt_args_t arg;
+
+    if (esp_bluedroid_get_status() != ESP_BLUEDROID_STATUS_ENABLED) {
+        return ESP_ERR_INVALID_STATE;
+    }
+
+    msg.sig = BTC_SIG_API_CALL;
+    msg.pid = BTC_PID_GAP_BT;
+    msg.act = BTC_GAP_BT_ACT_SET_AFH_CHANNELS;
+
+    memcpy(&arg.set_afh_channels.channels, channels, ESP_BT_GAP_AFH_CHANNELS_LEN);
+    arg.set_afh_channels.channels[ESP_BT_GAP_AFH_CHANNELS_LEN -1] &= 0x7F;
+    return (btc_transfer_context(&msg, &arg, sizeof(btc_gap_bt_args_t), NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL);
+}
+
 #endif /* #if BTC_GAP_BT_INCLUDED == TRUE */

components/bt/bluedroid/api/include/api/esp_gap_bt_api.h

@@ -45,6 +45,9 @@ typedef enum {
     ESP_BT_INIT_COD                = 0x0a,          /*!< overwrite major, minor, and service class */
 } esp_bt_cod_mode_t;
 
+#define ESP_BT_GAP_AFH_CHANNELS_LEN     10
+typedef uint8_t esp_bt_gap_afh_channels[ESP_BT_GAP_AFH_CHANNELS_LEN];
+
 /// Discoverability and Connectability mode
 typedef enum {
     ESP_BT_SCAN_MODE_NONE = 0,                      /*!< Neither discoverable nor connectable */
@@ -174,6 +177,7 @@ typedef enum {
     ESP_BT_GAP_KEY_NOTIF_EVT,                       /*!< Simple Pairing Passkey Notification */
     ESP_BT_GAP_KEY_REQ_EVT,                         /*!< Simple Pairing Passkey request */
     ESP_BT_GAP_READ_RSSI_DELTA_EVT,                 /*!< read rssi event */
+    ESP_BT_GAP_SET_AFH_CHANNELS_EVT,                /*!< set AFH channels event */
     ESP_BT_GAP_EVT_MAX,
 } esp_bt_gap_cb_event_t;
 
@@ -271,6 +275,13 @@ typedef union {
     struct key_req_param {
         esp_bd_addr_t bda;                     /*!< remote bluetooth device address*/
     } key_req;                                 /*!< passkey request parameter struct */
+
+    /**
+     * @brief ESP_BT_GAP_SET_AFH_CHANNELS_EVT
+     */
+    struct set_afh_channels_param {
+        esp_bt_status_t stat;                  /*!< set AFH channel status */
+    } set_afh_channels;
 } esp_bt_gap_cb_param_t;
 
 /**
@@ -581,6 +592,22 @@ esp_err_t esp_bt_gap_ssp_confirm_reply(esp_bd_addr_t bd_addr, bool accept);
 
 #endif /*(BT_SSP_INCLUDED == TRUE)*/
 
+/**
+* @brief            Set the AFH channels
+*
+* @param[in]        channles :  The n th such field (in the range 0 to 78) contains the value for channel n :
+*                               Channel n is bad = 0
+*                               Channel n is unknown = 1
+*                               The most significant bit is reserved and shall be set to 0
+*                               At least 20 channels shall be marked as unknown
+*
+* @return           - ESP_OK : success
+*                   - ESP_ERR_INVALID_STATE: if bluetooth stack is not yet enabled
+*                   - other  : failed
+*
+*/
+esp_err_t esp_bt_gap_set_afh_channels(esp_bt_gap_afh_channels channles);
+
 #ifdef __cplusplus
 }
 #endif

components/bt/bluedroid/bta/dm/bta_dm_act.c

@@ -593,6 +593,23 @@ void bta_dm_set_dev_name (tBTA_DM_MSG *p_data)
     bta_dm_set_eir ((char *)p_data->set_name.name);
 }
 
+/*******************************************************************************
+**
+** Function         bta_dm_set_afh_channels
+**
+** Description      Sets AFH channels
+**
+**
+** Returns          void
+**
+*******************************************************************************/
+void bta_dm_set_afh_channels (tBTA_DM_MSG *p_data)
+{
+#if CLASSIC_BT_INCLUDED
+    BTM_SetAfhChannels (p_data->set_afh_channels.channels, p_data->set_afh_channels.set_afh_cb);
+#endif /// CLASSIC_BT_INCLUDED
+}
+
 void bta_dm_update_white_list(tBTA_DM_MSG *p_data)
 {
     BTM_BleUpdateAdvWhitelist(p_data->white_list.add_remove, p_data->white_list.remote_addr, p_data->white_list.add_wl_cb);

components/bt/bluedroid/bta/dm/bta_dm_api.c

@@ -183,6 +183,35 @@ void BTA_DmSetDeviceName(const char *p_name)
 
 }
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
+/*******************************************************************************
+**
+** Function         BTA_DmSetAfhChannels
+**
+** Description      This function sets the AFH channels
+**
+**
+** Returns          void
+**
+*******************************************************************************/
+void BTA_DmSetAfhChannels(const uint8_t *channels, tBTA_CMPL_CB  *set_afh_cb)
+{
+
+    tBTA_DM_API_SET_AFH_CHANNELS *p_msg;
+
+    if ((p_msg = (tBTA_DM_API_SET_AFH_CHANNELS *) osi_malloc(sizeof(tBTA_DM_API_SET_AFH_CHANNELS))) != NULL) {
+        p_msg->hdr.event = BTA_DM_API_SET_AFH_CHANNELS_EVT;
+
+        p_msg->set_afh_cb = set_afh_cb;
+        memcpy(p_msg->channels, channels, AFH_CHANNELS_LEN);
+
+        bta_sys_sendmsg(p_msg);
+    }
+
+
+}
+#endif /// CLASSIC_BT_INCLUDED == TRUE
+
 void BTA_DmUpdateWhiteList(BOOLEAN add_remove,  BD_ADDR remote_addr, tBTA_ADD_WHITELIST_CBACK *add_wl_cb)
 {
     tBTA_DM_API_UPDATE_WHITE_LIST *p_msg;

components/bt/bluedroid/bta/dm/bta_dm_main.c

@@ -56,6 +56,7 @@ const tBTA_DM_ACTION bta_dm_action[BTA_DM_MAX_EVT] = {
     bta_dm_enable,                          /* BTA_DM_API_ENABLE_EVT */
     bta_dm_disable,                         /* BTA_DM_API_DISABLE_EVT */
     bta_dm_set_dev_name,                    /* BTA_DM_API_SET_NAME_EVT */
+    bta_dm_set_afh_channels,                /* BTA_DM_API_SET_AFH_CHANNELS_EVT */
     bta_dm_set_visibility,                  /* BTA_DM_API_SET_VISIBILITY_EVT */
     bta_dm_acl_change,                      /* BTA_DM_ACL_CHANGE_EVT */
     bta_dm_add_device,                      /* BTA_DM_API_ADD_DEVICE_EVT */

components/bt/bluedroid/bta/dm/include/bta_dm_int.h

@@ -52,6 +52,7 @@ enum {
     BTA_DM_API_ENABLE_EVT = BTA_SYS_EVT_START(BTA_ID_DM),
     BTA_DM_API_DISABLE_EVT,
     BTA_DM_API_SET_NAME_EVT,
+    BTA_DM_API_SET_AFH_CHANNELS_EVT,
     BTA_DM_API_SET_VISIBILITY_EVT,
 
     BTA_DM_ACL_CHANGE_EVT,
@@ -188,6 +189,13 @@ typedef struct {
     BD_NAME             name; /* max 248 bytes name, plus must be Null terminated */
 } tBTA_DM_API_SET_NAME;
 
+/* data type for BTA_DM_API_SET_AFH_CHANNELS_EVT */
+typedef struct {
+    BT_HDR              hdr;
+    AFH_CHANNELS        channels;
+    tBTA_CMPL_CB        *set_afh_cb;
+}tBTA_DM_API_SET_AFH_CHANNELS;
+
 typedef struct {
     BT_HDR    hdr;
     BOOLEAN   add_remove;
@@ -477,7 +485,7 @@ typedef struct {
 
 typedef struct {
     BT_HDR                  hdr;
-    BOOLEAN                 add;      
+    BOOLEAN                 add;
     UINT32                  static_passkey;
 } tBTA_DM_API_SET_DEFAULT_PASSKEY;
 
@@ -784,6 +792,8 @@ typedef union {
 
     tBTA_DM_API_SET_NAME set_name;
 
+    tBTA_DM_API_SET_AFH_CHANNELS set_afh_channels;
+
     tBTA_DM_API_UPDATE_WHITE_LIST white_list;
     tBTA_DM_API_READ_ADV_TX_POWER read_tx_power;
     tBTA_DM_API_READ_RSSI rssi;
@@ -1221,6 +1231,7 @@ extern void bta_dm_search_sm_disable( void );
 extern void bta_dm_enable (tBTA_DM_MSG *p_data);
 extern void bta_dm_disable (tBTA_DM_MSG *p_data);
 extern void bta_dm_set_dev_name (tBTA_DM_MSG *p_data);
+extern void bta_dm_set_afh_channels (tBTA_DM_MSG *p_data);
 extern void bta_dm_update_white_list(tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_read_adv_tx_power(tBTA_DM_MSG *p_data);
 extern void bta_dm_ble_read_rssi(tBTA_DM_MSG *p_data);

components/bt/bluedroid/bta/include/bta/bta_api.h

@@ -422,6 +422,8 @@ typedef tBTM_TX_POWER_RESULTS tBTA_TX_POWER_RESULTS;
 
 typedef tBTM_RSSI_RESULTS tBTA_RSSI_RESULTS;
 
+typedef tBTM_SET_AFH_CHANNELS_RESULTS tBTA_SET_AFH_CHANNELS_RESULTS;
+
 /* advertising channel map */
 #define BTA_BLE_ADV_CHNL_37 BTM_BLE_ADV_CHNL_37
 #define BTA_BLE_ADV_CHNL_38 BTM_BLE_ADV_CHNL_38
@@ -1450,6 +1452,18 @@ extern void BTA_DisableTestMode(void);
 *******************************************************************************/
 extern void BTA_DmSetDeviceName(const char *p_name);
 
+/*******************************************************************************
+**
+** Function         BTA_DmSetAfhChannels
+**
+** Description      This function sets the AFH channels
+**
+**
+** Returns          void
+**
+*******************************************************************************/
+void BTA_DmSetAfhChannels(const uint8_t *channels, tBTA_CMPL_CB  *set_afh_cb);
+
 extern void BTA_DmUpdateWhiteList(BOOLEAN add_remove,  BD_ADDR remote_addr, tBTA_ADD_WHITELIST_CBACK *add_wl_cb);
 
 extern void BTA_DmBleReadAdvTxPower(tBTA_CMPL_CB *cmpl_cb);
@@ -2292,8 +2306,8 @@ extern void BTA_DmBleSetScanRspRaw (UINT8 *p_raw_scan_rsp, UINT32 raw_scan_rsp_l
 ** Returns          None
 **
 *******************************************************************************/
-extern void BTA_DmUpdateDuplicateExceptionalList(UINT8 subcode, UINT32 type, 
+extern void BTA_DmUpdateDuplicateExceptionalList(UINT8 subcode, UINT32 type,
-                                                BD_ADDR device_info, 
+                                                BD_ADDR device_info,
                                                 tBTA_UPDATE_DUPLICATE_EXCEPTIONAL_LIST_CMPL_CBACK p_update_duplicate_exceptional_list_cback);
 
 /*******************************************************************************

components/bt/bluedroid/btc/core/btc_util.c

@@ -224,6 +224,9 @@ esp_bt_status_t btc_btm_status_to_esp_status (uint8_t btm_status)
         case BTM_NO_RESOURCES:
             esp_status = ESP_BT_STATUS_NOMEM;
             break;
+        case BTM_ILLEGAL_VALUE:
+            esp_status = ESP_BT_STATUS_PARM_INVALID;
+            break;
         case BTM_ERR_PROCESSING:
             esp_status = ESP_BT_STATUS_PENDING;
             break;

components/bt/bluedroid/btc/profile/std/gap/btc_gap_bt.c

@@ -686,6 +686,31 @@ static void btc_gap_bt_ssp_confirm(btc_gap_bt_args_t *arg)
 
 #endif ///BT_SSP_INCLUDED == TRUE
 
+static void btc_gap_bt_set_afh_channels_cmpl_callback(void *p_data)
+{
+    tBTA_SET_AFH_CHANNELS_RESULTS *result = (tBTA_SET_AFH_CHANNELS_RESULTS *)p_data;
+    esp_bt_gap_cb_param_t param;
+    bt_status_t ret;
+    btc_msg_t msg;
+    msg.sig = BTC_SIG_API_CB;
+    msg.pid = BTC_PID_GAP_BT;
+    msg.act = BTC_GAP_BT_SET_AFH_CHANNELS_EVT;
+
+    param.set_afh_channels.stat = btc_btm_status_to_esp_status(result->status);
+
+    ret = btc_transfer_context(&msg, &param,
+                               sizeof(esp_bt_gap_cb_param_t), NULL);
+
+    if (ret != BT_STATUS_SUCCESS) {
+        BTC_TRACE_ERROR("%s btc_transfer_context failed\n", __func__);
+    }
+}
+
+static void btc_gap_bt_set_afh_channels(btc_gap_bt_args_t *arg)
+{
+    BTA_DmSetAfhChannels(arg->set_afh_channels.channels, btc_gap_bt_set_afh_channels_cmpl_callback);
+}
+
 void btc_gap_bt_arg_deep_copy(btc_msg_t *msg, void *p_dest, void *p_src)
 {
     switch (msg->act) {
@@ -740,6 +765,7 @@ void btc_gap_bt_arg_deep_free(btc_msg_t *msg)
     case BTC_GAP_BT_ACT_REMOVE_BOND_DEVICE:
     case BTC_GAP_BT_ACT_PIN_REPLY:
     case BTC_GAP_BT_ACT_SET_PIN_TYPE:
+    case BTC_GAP_BT_ACT_SET_AFH_CHANNELS:
         break;
 #if (BT_SSP_INCLUDED == TRUE)
     case BTC_GAP_BT_ACT_PASSKEY_REPLY:
@@ -815,6 +841,11 @@ void btc_gap_bt_call_handler(btc_msg_t *msg)
     }
 #endif ///BT_SSP_INCLUDED == TRUE
 
+    case BTC_GAP_BT_ACT_SET_AFH_CHANNELS: {
+        btc_gap_bt_set_afh_channels(arg);
+        break;
+    }
+
     default:
         break;
     }
@@ -849,6 +880,7 @@ void btc_gap_bt_cb_deep_free(btc_msg_t *msg)
     case BTC_GAP_BT_READ_RSSI_DELTA_EVT:
     case BTC_GAP_BT_AUTH_CMPL_EVT:
     case BTC_GAP_BT_PIN_REQ_EVT:
+    case BTC_GAP_BT_SET_AFH_CHANNELS_EVT:
 #if (BT_SSP_INCLUDED == TRUE)
     case BTC_GAP_BT_CFM_REQ_EVT:
     case BTC_GAP_BT_KEY_NOTIF_EVT:
@@ -902,6 +934,10 @@ void btc_gap_bt_cb_handler(btc_msg_t *msg)
         break;
     }
 #endif ///BT_SSP_INCLUDED == TRUE
+    case BTC_GAP_BT_SET_AFH_CHANNELS_EVT:{
+        btc_gap_bt_cb_to_app(ESP_BT_GAP_SET_AFH_CHANNELS_EVT, (esp_bt_gap_cb_param_t *)msg->arg);
+        break;
+    }
     default:
         BTC_TRACE_ERROR("%s: Unhandled event (%d)!\n", __FUNCTION__, msg->act);
         break;

components/bt/bluedroid/btc/profile/std/include/btc_gap_bt.h

@@ -32,6 +32,7 @@ typedef enum {
     BTC_GAP_BT_KEY_NOTIF_EVT,
     BTC_GAP_BT_KEY_REQ_EVT,
     BTC_GAP_BT_READ_RSSI_DELTA_EVT,
+    BTC_GAP_BT_SET_AFH_CHANNELS_EVT,
 }btc_gap_bt_evt_t;
 
 typedef enum {
@@ -48,6 +49,7 @@ typedef enum {
     BTC_GAP_BT_ACT_SET_SECURITY_PARAM,
     BTC_GAP_BT_ACT_PASSKEY_REPLY,
     BTC_GAP_BT_ACT_CONFIRM_REPLY,
+    BTC_GAP_BT_ACT_SET_AFH_CHANNELS,
 } btc_gap_bt_act_t;
 
 /* btc_bt_gap_args_t */
@@ -123,6 +125,11 @@ typedef union {
        bt_bdaddr_t bda;
        bool accept;
     } confirm_reply;
+
+    // BTC_GAP_BT_ACT_SET_AFH_CHANNELS
+    struct set_afh_channels_args {
+       esp_bt_gap_afh_channels channels;
+    } set_afh_channels;
 } btc_gap_bt_args_t;
 
 void btc_gap_bt_call_handler(btc_msg_t *msg);

components/bt/bluedroid/stack/btm/btm_devctl.c

@@ -1001,4 +1001,76 @@ void btm_report_device_status (tBTM_DEV_STATUS status)
     }
 }
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
+/*******************************************************************************
+**
+** Function         BTM_SetAfhChannels
+**
+** Description      This function is called to set AFH channels
+**
+** Returns          status of the operation
+**
+*******************************************************************************/
+tBTM_STATUS BTM_SetAfhChannels (AFH_CHANNELS channels, tBTM_CMPL_CB *p_afh_channels_cmpl_cback)
+{
+    if (!controller_get_interface()->get_is_ready()) {
+        return (BTM_DEV_RESET);
+    }
+
+    /* Check if set afh already in progress */
+    if (btm_cb.devcb.p_afh_channels_cmpl_cb) {
+        return (BTM_NO_RESOURCES);
+    }
+
+    /* Save callback */
+    btm_cb.devcb.p_afh_channels_cmpl_cb = p_afh_channels_cmpl_cback;
+
+    if (!btsnd_hcic_set_afh_channels (channels)) {
+        return (BTM_NO_RESOURCES);
+    }
+
+    btu_start_timer (&btm_cb.devcb.afh_channels_timer, BTU_TTYPE_BTM_ACL, BTM_DEV_REPLY_TIMEOUT);
+
+    return BTM_CMD_STARTED;
+}
+
+/*******************************************************************************
+**
+** Function         btm_set_afh_channels_complete
+**
+** Description      This function is called when set AFH channels complete.
+**                  message is received from the HCI.
+**
+** Returns          void
+**
+*******************************************************************************/
+void btm_set_afh_channels_complete (UINT8 *p)
+{
+    tBTM_CMPL_CB *p_cb = btm_cb.devcb.p_afh_channels_cmpl_cb;
+    tBTM_SET_AFH_CHANNELS_RESULTS results;
+
+    btu_free_timer (&btm_cb.devcb.afh_channels_timer);
+
+    /* If there was a callback address for set AFH channels, call it */
+    btm_cb.devcb.p_afh_channels_cmpl_cb = NULL;
+
+    if (p_cb) {
+        STREAM_TO_UINT8 (results.hci_status, p);
+
+        switch (results.hci_status){
+            case HCI_SUCCESS:
+                results.status = BTM_SUCCESS;
+                break;
+            case HCI_ERR_UNSUPPORTED_VALUE:
+            case HCI_ERR_ILLEGAL_PARAMETER_FMT:
+                results.status = BTM_ILLEGAL_VALUE;
+                break;
+            default:
+                results.status = BTM_ERR_PROCESSING;
+                break;
+        }
+        (*p_cb)(&results);
+    }
+}
+#endif /// CLASSIC_BT_INCLUDED == TRUE
 

components/bt/bluedroid/stack/btm/include/btm_int.h

@@ -162,6 +162,12 @@ tBTM_CMPL_CB        *p_switch_role_cb;  /* Callback function to be called when
 TIMER_LIST_ENT       tx_power_timer;
 tBTM_CMPL_CB        *p_tx_power_cmpl_cb;/* Callback function to be called       */
 
+#if CLASSIC_BT_INCLUDED == TRUE
+TIMER_LIST_ENT       afh_channels_timer;
+tBTM_CMPL_CB        *p_afh_channels_cmpl_cb; /* Callback function to be called  When */
+/* set AFH channels is completed   */
+#endif
+
 DEV_CLASS            dev_class;         /* Local device class                   */
 
 #if BLE_INCLUDED == TRUE
@@ -1057,7 +1063,7 @@ void btm_inq_db_reset (void);
 void btm_vendor_specific_evt (UINT8 *p, UINT8 evt_len);
 void btm_delete_stored_link_key_complete (UINT8 *p);
 void btm_report_device_status (tBTM_DEV_STATUS status);
-
+void btm_set_afh_channels_complete (UINT8 *p);
 
 /* Internal functions provided by btm_dev.c
 **********************************************

components/bt/bluedroid/stack/btu/btu_hcif.c

@@ -912,6 +912,13 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
         btm_read_linq_tx_power_complete (p);
         break;
 
+#if (CLASSIC_BT_INCLUDED == TRUE)
+    case HCI_SET_AFH_CHANNELS:
+        btm_set_afh_channels_complete(p);
+        break;
+#endif
+
+
 #if (BLE_INCLUDED == TRUE)
     /* BLE Commands sComplete*/
     case HCI_BLE_ADD_WHITE_LIST:

components/bt/bluedroid/stack/hcic/hcicmds.c

@@ -1876,3 +1876,28 @@ void btsnd_hcic_vendor_spec_cmd (void *buffer, UINT16 opcode, UINT8 len,
 
     btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID,  p);
 }
+
+#if (CLASSIC_BT_INCLUDED == TRUE)
+BOOLEAN btsnd_hcic_set_afh_channels (AFH_CHANNELS channels)
+{
+    BT_HDR *p;
+    UINT8 *pp;
+
+    if ((p = HCI_GET_CMD_BUF(HCIC_PARAM_SIZE_SET_AFH_CHANNELS)) == NULL) {
+        return (FALSE);
+    }
+
+    pp = (UINT8 *)(p + 1);
+
+    p->len    = HCIC_PREAMBLE_SIZE + HCIC_PARAM_SIZE_SET_AFH_CHANNELS;
+    p->offset = 0;
+
+    UINT16_TO_STREAM (pp, HCI_SET_AFH_CHANNELS);
+    UINT8_TO_STREAM  (pp, HCIC_PARAM_SIZE_SET_AFH_CHANNELS);
+
+    ARRAY_TO_STREAM  (pp, channels, HCIC_PARAM_SIZE_SET_AFH_CHANNELS);
+
+    btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID,  p);
+    return (TRUE);
+}
+#endif /// CLASSIC_BT_INCLUDED == TRUE

components/bt/bluedroid/stack/include/stack/bt_types.h

@@ -361,6 +361,9 @@ typedef UINT8 ACO[ACO_LEN];                 /* Authenticated ciphering offset */
 #define COF_LEN         12
 typedef UINT8 COF[COF_LEN];                 /* ciphering offset number */
 
+#define AFH_CHANNELS_LEN    10
+typedef UINT8 AFH_CHANNELS[AFH_CHANNELS_LEN];
+
 typedef struct {
     UINT8               qos_flags;          /* TBD */
     UINT8               service_type;       /* see below */

components/bt/bluedroid/stack/include/stack/btm_api.h

@@ -795,6 +795,14 @@ typedef struct {
     BD_ADDR     rem_bda;
 } tBTM_LINK_QUALITY_RESULTS;
 
+/* Structure returned with set AFH channels event (in tBTM_CMPL_CB callback function)
+** in response to BTM_SetAfhChannels call.
+*/
+typedef struct {
+    tBTM_STATUS status;
+    UINT8       hci_status;
+} tBTM_SET_AFH_CHANNELS_RESULTS;
+
 /* Structure returned with read inq tx power quality event (in tBTM_CMPL_CB callback function)
 ** in response to BTM_ReadInquiryRspTxPower call.
 */
@@ -4093,6 +4101,19 @@ void BTM_PCM2Setup_Write (BOOLEAN clk_master, tBTM_VSC_CMPL_CB *p_arc_cb);
 *******************************************************************************/
 //extern
 tBTM_CONTRL_STATE BTM_PM_ReadControllerState(void);
+
+/*******************************************************************************
+**
+** Function         BTM_SetAfhChannels
+**
+** Description      This function is called to set AFH channels
+**
+** Returns          status of the operation
+**
+*******************************************************************************/
+tBTM_STATUS BTM_SetAfhChannels (AFH_CHANNELS channels, tBTM_CMPL_CB *p_afh_channels_cmpl_cback);
+
+
 /*
 #ifdef __cplusplus
 }

components/bt/bluedroid/stack/include/stack/hcimsgs.h

@@ -520,6 +520,8 @@ BOOLEAN btsnd_hcic_change_name(BD_NAME name);
 
 #define HCIC_WRITE_PARAM3_PARAM_OFF      0
 
+/* set AFH channels */
+BOOLEAN btsnd_hcic_set_afh_channels (AFH_CHANNELS channels);
 #define HCIC_PARAM_SIZE_SET_AFH_CHANNELS    10
 
 BOOLEAN btsnd_hcic_write_pin_type(UINT8 type);                   /* Write PIN Type */