diff --git a/components/bt/host/bluedroid/api/esp_gap_ble_api.c b/components/bt/host/bluedroid/api/esp_gap_ble_api.c index 09ac3d303e..27adf1b7ad 100644 --- a/components/bt/host/bluedroid/api/esp_gap_ble_api.c +++ b/components/bt/host/bluedroid/api/esp_gap_ble_api.c @@ -581,6 +581,7 @@ esp_err_t esp_ble_gap_read_rssi(esp_bd_addr_t remote_addr) return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gap_args_t), NULL, NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL); } + #if (BLE_42_FEATURE_SUPPORT == TRUE) esp_err_t esp_ble_gap_config_scan_rsp_data_raw(uint8_t *raw_data, uint32_t raw_data_len) { @@ -929,6 +930,26 @@ esp_err_t esp_gap_ble_set_channels(esp_gap_ble_channels channels) return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gap_args_t), NULL, NULL) == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL); } +esp_err_t esp_ble_gap_read_channel_map(esp_bd_addr_t bd_addr) +{ + if (!bd_addr) { + return ESP_ERR_INVALID_ARG; + } + + btc_msg_t msg; + btc_ble_gap_args_t arg; + + ESP_BLUEDROID_STATUS_CHECK(ESP_BLUEDROID_STATUS_ENABLED); + + msg.sig = BTC_SIG_API_CALL; + msg.pid = BTC_PID_GAP_BLE; + msg.act = BTC_GAP_BLE_READ_CHANNEL_MAP; + + memcpy(arg.read_channel_map.bd_addr, bd_addr, ESP_BD_ADDR_LEN); + return (btc_transfer_context(&msg, &arg, sizeof(btc_ble_gap_args_t), NULL, NULL) + == BT_STATUS_SUCCESS ? ESP_OK : ESP_FAIL); +} + esp_err_t esp_gap_ble_set_authorization(esp_bd_addr_t bd_addr, bool authorize) { if (!bd_addr) { diff --git a/components/bt/host/bluedroid/api/include/api/esp_gap_ble_api.h b/components/bt/host/bluedroid/api/include/api/esp_gap_ble_api.h index a668ad6b8a..d29deda3dd 100644 --- a/components/bt/host/bluedroid/api/include/api/esp_gap_ble_api.h +++ b/components/bt/host/bluedroid/api/include/api/esp_gap_ble_api.h @@ -245,6 +245,7 @@ typedef enum { ESP_GAP_BLE_SUBRATE_REQUEST_COMPLETE_EVT, /*!< when subrate request command complete, the event comes */ ESP_GAP_BLE_SUBRATE_CHANGE_EVT, /*!< when Connection Subrate Update procedure has completed and some parameters of the specified connection have changed, the event comes */ ESP_GAP_BLE_SET_HOST_FEATURE_CMPL_EVT, /*!< When host feature set complete, the event comes */ + ESP_GAP_BLE_READ_CHANNEL_MAP_COMPLETE_EVT, /*!< When BLE channel map result is received, the event comes */ ESP_GAP_BLE_EVT_MAX, /*!< when maximum advertising event complete, the event comes */ } esp_gap_ble_cb_event_t; @@ -1331,6 +1332,14 @@ typedef union { if the RSSI cannot be read, the RSSI metric shall be set to 127. */ esp_bd_addr_t remote_addr; /*!< The remote device address */ } read_rssi_cmpl; /*!< Event parameter of ESP_GAP_BLE_READ_RSSI_COMPLETE_EVT */ + /** + * @brief ESP_GAP_BLE_READ_CHANNEL_MAP_COMPLETE_EVT + */ + struct ble_read_ble_channel_map_cmpl_evt_param { + esp_bt_status_t status; /*!< Status of the read channel map operation */ + uint8_t channel_map[ESP_GAP_BLE_CHANNELS_LEN]; /*!< The BLE channel map, represented as a 5-byte array */ + esp_bd_addr_t remote_addr; /*!< The remote device address */ + } read_ble_channel_map_cmpl; /*!< Event parameter of ESP_GAP_BLE_READ_CHANNEL_MAP_COMPLETE_EVT */ /** * @brief ESP_GAP_BLE_UPDATE_WHITELIST_COMPLETE_EVT */ @@ -2200,6 +2209,7 @@ esp_err_t esp_ble_gap_config_scan_rsp_data_raw(uint8_t *raw_data, uint32_t raw_d * - other : failed */ esp_err_t esp_ble_gap_read_rssi(esp_bd_addr_t remote_addr); + #if (BLE_42_FEATURE_SUPPORT == TRUE) /** * @brief This function is called to add a device info into the duplicate scan exceptional list. @@ -2447,6 +2457,18 @@ esp_err_t esp_ble_get_current_conn_params(esp_bd_addr_t bd_addr, esp_gap_conn_pa */ esp_err_t esp_gap_ble_set_channels(esp_gap_ble_channels channels); +/** +* @brief This function is used to read the current channel map +* for the connection identified by remote address. +* +* @param[in] bd_addr : BD address of the peer device +* +* @return - ESP_OK : success +* - other : failed +* +*/ +esp_err_t esp_ble_gap_read_channel_map(esp_bd_addr_t bd_addr); + /** * @brief This function is called to authorized a link after Authentication(MITM protection) * diff --git a/components/bt/host/bluedroid/bta/dm/bta_dm_act.c b/components/bt/host/bluedroid/bta/dm/bta_dm_act.c index 826bffdc1f..f9d38ead0b 100644 --- a/components/bt/host/bluedroid/bta/dm/bta_dm_act.c +++ b/components/bt/host/bluedroid/bta/dm/bta_dm_act.c @@ -5855,6 +5855,13 @@ void bta_dm_ble_gap_set_vendor_evt_mask(tBTA_DM_MSG *p_data) BTM_BleSetVendorEventMask(p_data->ble_set_vendor_evt_mask.evt_mask, p_data->ble_set_vendor_evt_mask.p_cback); } +void bta_dm_read_ble_channel_map(tBTA_DM_MSG *p_data) +{ + if (p_data && p_data->ch_map.read_ch_map_cb) { + BTM_ReadChannelMap(p_data->ch_map.remote_addr, p_data->ch_map.read_ch_map_cb); + } +} + #if (BLE_50_DTM_TEST_EN == TRUE) void bta_dm_ble_gap_dtm_enhance_tx_start(tBTA_DM_MSG *p_data) { diff --git a/components/bt/host/bluedroid/bta/dm/bta_dm_api.c b/components/bt/host/bluedroid/bta/dm/bta_dm_api.c index e4b8029dd2..7b8a0d9a16 100644 --- a/components/bt/host/bluedroid/bta/dm/bta_dm_api.c +++ b/components/bt/host/bluedroid/bta/dm/bta_dm_api.c @@ -500,6 +500,20 @@ void BTA_DmBleReadAdvTxPower(tBTA_CMPL_CB *cmpl_cb) } #endif // BLE_HOST_READ_TX_POWER_EN +void BTA_DmBleReadChannelMap(BD_ADDR remote_device, tBTA_CMPL_CB *p_callback) +{ + if (!remote_device || !p_callback) { + return; + } + tBTA_DM_API_READ_CH_MAP *p_msg; + + if ((p_msg = (tBTA_DM_API_READ_CH_MAP *)osi_malloc(sizeof(tBTA_DM_API_READ_CH_MAP))) != NULL) { + p_msg->hdr.event = BTA_DM_API_BLE_READ_CH_MAP_EVT; + memcpy(p_msg->remote_addr, remote_device, sizeof(BD_ADDR)); + p_msg->read_ch_map_cb = p_callback; + bta_sys_sendmsg(p_msg); + } +} #endif ///BLE_INCLUDED == TRUE void BTA_DmReadRSSI(BD_ADDR remote_addr, tBTA_TRANSPORT transport, tBTA_CMPL_CB *cmpl_cb) diff --git a/components/bt/host/bluedroid/bta/dm/bta_dm_main.c b/components/bt/host/bluedroid/bta/dm/bta_dm_main.c index 86283b4e52..3aaf6b49ea 100644 --- a/components/bt/host/bluedroid/bta/dm/bta_dm_main.c +++ b/components/bt/host/bluedroid/bta/dm/bta_dm_main.c @@ -286,6 +286,7 @@ const tBTA_DM_ACTION bta_dm_action[BTA_DM_MAX_EVT] = { bta_dm_ble_gap_set_privacy_mode, /* BTA_DM_API_SET_PRIVACY_MODE_EVT */ bta_dm_ble_gap_set_csa_support, /* BTA_DM_API_BLE_SET_CSA_SUPPORT_EVT */ bta_dm_ble_gap_set_vendor_evt_mask, /* BTA_DM_API_BLE_SET_VENDOR_EVT_MASK_EVT */ + bta_dm_read_ble_channel_map, /* BTA_DM_API_BLE_READ_CH_MAP_EVT */ #endif #if (BLE_FEAT_ISO_EN == TRUE) #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE) diff --git a/components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h b/components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h index 3d6dcacc0a..4de7e01f15 100644 --- a/components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h +++ b/components/bt/host/bluedroid/bta/dm/include/bta_dm_int.h @@ -277,6 +277,7 @@ enum { BTA_DM_API_SET_PRIVACY_MODE_EVT, BTA_DM_API_BLE_SET_CSA_SUPPORT_EVT, BTA_DM_API_BLE_SET_VENDOR_EVT_MASK_EVT, + BTA_DM_API_BLE_READ_CH_MAP_EVT, #endif #if (BLE_FEAT_ISO_EN == TRUE) #if (BLE_FEAT_ISO_BIG_BROCASTER_EN == TRUE) @@ -490,6 +491,12 @@ typedef struct { tBTA_CMPL_CB *read_rssi_cb; }tBTA_DM_API_READ_RSSI; +typedef struct { + BT_HDR hdr; + BD_ADDR remote_addr; + tBTA_CMPL_CB *read_ch_map_cb; +} tBTA_DM_API_READ_CH_MAP; + /* data type for BTA_DM_API_SET_VISIBILITY_EVT */ typedef struct { BT_HDR hdr; @@ -1639,6 +1646,8 @@ typedef union { #endif ///BLE_INCLUDED == TRUE tBTA_DM_API_READ_RSSI rssi; + tBTA_DM_API_READ_CH_MAP ch_map; + tBTA_DM_API_SET_VISIBILITY set_visibility; tBTA_DM_API_ADD_DEVICE add_dev; @@ -2250,6 +2259,7 @@ extern void bta_dm_update_white_list(tBTA_DM_MSG *p_data); extern void bta_dm_clear_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_read_rssi(tBTA_DM_MSG *p_data); +extern void bta_dm_read_ble_channel_map(tBTA_DM_MSG *p_data); #if (CLASSIC_BT_INCLUDED == TRUE) extern void bta_dm_set_visibility (tBTA_DM_MSG *p_data); #endif // #if (CLASSIC_BT_INCLUDED == TRUE) diff --git a/components/bt/host/bluedroid/bta/include/bta/bta_api.h b/components/bt/host/bluedroid/bta/include/bta/bta_api.h index 91f060035e..b66fb2295f 100644 --- a/components/bt/host/bluedroid/bta/include/bta/bta_api.h +++ b/components/bt/host/bluedroid/bta/include/bta/bta_api.h @@ -451,6 +451,8 @@ typedef tBTM_TX_POWER_RESULTS tBTA_TX_POWER_RESULTS; typedef tBTM_RSSI_RESULTS tBTA_RSSI_RESULTS; +typedef tBTM_BLE_CH_MAP_RESULTS tBTA_BLE_CH_MAP_RESULTS; + typedef tBTM_SET_AFH_CHANNELS_RESULTS tBTA_SET_AFH_CHANNELS_RESULTS; typedef tBTM_BLE_SET_CHANNELS_RESULTS tBTA_BLE_SET_CHANNELS_RESULTS; @@ -2067,6 +2069,7 @@ extern void BTA_DmBleReadAdvTxPower(tBTA_CMPL_CB *cmpl_cb); #endif ///BLE_INCLUDED == TRUE extern void BTA_DmReadRSSI(BD_ADDR remote_addr, tBTA_TRANSPORT transport, tBTA_CMPL_CB *cmpl_cb); +extern void BTA_DmBleReadChannelMap(BD_ADDR remote_device, tBTA_CMPL_CB *p_callback); /******************************************************************************* ** diff --git a/components/bt/host/bluedroid/btc/profile/std/gap/btc_gap_ble.c b/components/bt/host/bluedroid/btc/profile/std/gap/btc_gap_ble.c index 022074105a..9ba79b46ed 100644 --- a/components/bt/host/bluedroid/btc/profile/std/gap/btc_gap_ble.c +++ b/components/bt/host/bluedroid/btc/profile/std/gap/btc_gap_ble.c @@ -935,6 +935,29 @@ static void btc_read_ble_rssi_cmpl_callback(void *p_data) } } +static void btc_ble_read_channel_map_callback(void *p_data) +{ + tBTA_BLE_CH_MAP_RESULTS *result = (tBTA_BLE_CH_MAP_RESULTS *)p_data; + esp_ble_gap_cb_param_t param; + bt_status_t ret; + btc_msg_t msg = {0}; + + msg.sig = BTC_SIG_API_CB; + msg.pid = BTC_PID_GAP_BLE; + msg.act = ESP_GAP_BLE_READ_CHANNEL_MAP_COMPLETE_EVT; + + param.read_ble_channel_map_cmpl.status = btc_btm_status_to_esp_status(result->status); + memcpy(param.read_ble_channel_map_cmpl.channel_map, result->channel_map, 5); + memcpy(param.read_ble_channel_map_cmpl.remote_addr, result->rem_bda, sizeof(BD_ADDR)); + + ret = btc_transfer_context(&msg, ¶m, sizeof(esp_ble_gap_cb_param_t), NULL, NULL); + + if (ret != BT_STATUS_SUCCESS) { + BTC_TRACE_ERROR("%s btc_transfer_context failed\n", __func__); + } +} + + #if (BLE_50_FEATURE_SUPPORT == TRUE) static void btc_ble_5_gap_callback(tBTA_DM_BLE_5_GAP_EVENT event, tBTA_DM_BLE_5_GAP_CB_PARAMS *params) @@ -2177,6 +2200,9 @@ void btc_gap_ble_call_handler(btc_msg_t *msg) case BTC_GAP_BLE_ACT_READ_RSSI: BTA_DmReadRSSI(arg->read_rssi.remote_addr, BTA_TRANSPORT_LE, btc_read_ble_rssi_cmpl_callback); break; + case BTC_GAP_BLE_READ_CHANNEL_MAP: + BTA_DmBleReadChannelMap(arg->read_channel_map.bd_addr, btc_ble_read_channel_map_callback); + break; #if (BLE_42_FEATURE_SUPPORT == TRUE) case BTC_GAP_BLE_ACT_SET_CONN_PARAMS: BTA_DmSetBlePrefConnParams(arg->set_conn_params.bd_addr, arg->set_conn_params.min_conn_int, diff --git a/components/bt/host/bluedroid/btc/profile/std/include/btc_gap_ble.h b/components/bt/host/bluedroid/btc/profile/std/include/btc_gap_ble.h index 67862b221b..d13111092a 100644 --- a/components/bt/host/bluedroid/btc/profile/std/include/btc_gap_ble.h +++ b/components/bt/host/bluedroid/btc/profile/std/include/btc_gap_ble.h @@ -136,6 +136,7 @@ typedef enum { #if (BLE_50_FEATURE_SUPPORT == TRUE) BTC_GAP_ACT_SET_HOST_FEATURE, #endif // #if (BLE_50_FEATURE_SUPPORT == TRUE) + BTC_GAP_BLE_READ_CHANNEL_MAP, } btc_gap_ble_act_t; /* btc_ble_gap_args_t */ @@ -314,6 +315,9 @@ typedef union { struct set_vendor_evt_mask_args { uint32_t evt_mask; } set_vendor_evt_mask; + struct read_channel_map_args { + esp_bd_addr_t bd_addr; + } read_channel_map; } btc_ble_gap_args_t; #if (BLE_50_FEATURE_SUPPORT == TRUE) diff --git a/components/bt/host/bluedroid/stack/btm/btm_acl.c b/components/bt/host/bluedroid/stack/btm/btm_acl.c index a248a6245d..d0f613040a 100644 --- a/components/bt/host/bluedroid/stack/btm/btm_acl.c +++ b/components/bt/host/bluedroid/stack/btm/btm_acl.c @@ -2184,6 +2184,54 @@ void btm_acl_pkt_types_changed(UINT8 status, UINT16 handle, UINT16 pkt_types) } #if (BLE_INCLUDED == TRUE) + +/******************************************************************************* +** +** Function BTM_ReadChannelMap +** +** Description This function is called to read the current channel map +** for the given connection. The results are returned via +** the callback (tBTM_BLE_CH_MAP_RESULTS). +** +** Returns BTM_CMD_STARTED if successfully initiated or error code +** +*******************************************************************************/ +tBTM_STATUS BTM_ReadChannelMap(BD_ADDR remote_bda, tBTM_CMPL_CB *p_cb) +{ + tACL_CONN *p; + tBTM_BLE_CH_MAP_RESULTS result; + + BTM_TRACE_DEBUG("BTM_ReadChannelMap: RemBdAddr: %02x%02x%02x%02x%02x%02x\n", + remote_bda[0], remote_bda[1], remote_bda[2], + remote_bda[3], remote_bda[4], remote_bda[5]); + + memset(result.channel_map, 0, sizeof(result.channel_map)); // Clear channel map data + /* If someone already waiting for the channel map, do not allow another */ + if (btm_cb.devcb.p_ble_ch_map_cmpl_cb) { + result.status = BTM_BUSY; + (*p_cb)(&result); + return BTM_BUSY; + } + p = btm_bda_to_acl(remote_bda, BT_TRANSPORT_LE); + if (p != NULL) { + btm_cb.devcb.p_ble_ch_map_cmpl_cb = p_cb; + + if (!btsnd_hcic_ble_read_chnl_map(p->hci_handle)) { + btm_cb.devcb.p_ble_ch_map_cmpl_cb = NULL; + result.status = BTM_NO_RESOURCES; + (*p_cb)(&result); + return BTM_NO_RESOURCES; + } else { + return BTM_CMD_STARTED; + } + } + + /* If here, no BD Addr found */ + result.status = BTM_UNKNOWN_ADDR; + (*p_cb)(&result); + return BTM_UNKNOWN_ADDR; +} + #if (BLE_HOST_READ_TX_POWER_EN == TRUE) tBTM_STATUS BTM_BleReadAdvTxPower(tBTM_CMPL_CB *p_cb) { @@ -2280,6 +2328,62 @@ void btm_read_tx_power_complete (UINT8 *p, BOOLEAN is_ble) } #endif // #if (BLE_HOST_READ_TX_POWER_EN == TRUE) +/******************************************************************************* +** +** Function btm_read_channel_map_complete +** +** Description This function is called when the command complete message +** is received from the HCI for the read channel map request. +** It processes the received channel map data and invokes the +** registered callback function with the results. +** +** Returns void +** +*******************************************************************************/ +void btm_read_channel_map_complete(UINT8 *p) +{ + tBTM_CMPL_CB *p_cb = btm_cb.devcb.p_ble_ch_map_cmpl_cb; + tBTM_BLE_CH_MAP_RESULTS results; + UINT16 handle; + tACL_CONN *p_acl_cb = NULL; + + BTM_TRACE_DEBUG("btm_read_channel_map_complete\n"); + + /* Reset the callback pointer to prevent duplicate calls */ + btm_cb.devcb.p_ble_ch_map_cmpl_cb = NULL; + + if (p_cb) { + /* Extract HCI status from the response */ + STREAM_TO_UINT8(results.hci_status, p); + + if (results.hci_status == HCI_SUCCESS) { + results.status = BTM_SUCCESS; + + /* Extract the connection handle and channel map */ + STREAM_TO_UINT16(handle, p); + STREAM_TO_ARRAY(results.channel_map, p, 5); + + BTM_TRACE_DEBUG("BTM Channel Map Complete: handle 0x%04x, hci status 0x%02x", handle, results.hci_status); + BTM_TRACE_DEBUG("Channel Map: %02x %02x %02x %02x %02x", + results.channel_map[0], results.channel_map[1], results.channel_map[2], + results.channel_map[3], results.channel_map[4]); + + /* Retrieve the remote BD address using the connection handle */ + p_acl_cb = btm_handle_to_acl(handle); + if (p_acl_cb) { + memcpy(results.rem_bda, p_acl_cb->remote_addr, BD_ADDR_LEN); + } + } else { + results.status = BTM_ERR_PROCESSING; + BTM_TRACE_ERROR("BTM Channel Map Read Failed: hci status 0x%02x", results.hci_status); + } + + /* Invoke the registered callback with the results */ + (*p_cb)(&results); + } +} + + /******************************************************************************* ** ** Function btm_read_rssi_complete diff --git a/components/bt/host/bluedroid/stack/btm/include/btm_int.h b/components/bt/host/bluedroid/stack/btm/include/btm_int.h index 81244e87bf..d5b69c6818 100644 --- a/components/bt/host/bluedroid/stack/btm/include/btm_int.h +++ b/components/bt/host/bluedroid/stack/btm/include/btm_int.h @@ -191,6 +191,10 @@ tBTM_CMPL_CB *p_rln_cmpl_cb; /* Callback function to be called when TIMER_LIST_ENT rssi_timer; tBTM_CMPL_CB *p_rssi_cmpl_cb; /* Callback function to be called when */ /* read rssi function completes */ + +tBTM_CMPL_CB *p_ble_ch_map_cmpl_cb; /* Callback function to be called when */ +/* read channel map function completes */ + TIMER_LIST_ENT lnk_quality_timer; tBTM_CMPL_CB *p_lnk_qual_cmpl_cb;/* Callback function to be called when */ /* read link quality function completes */ @@ -1068,6 +1072,7 @@ void btm_cont_rswitch (tACL_CONN *p, tACL_CONN *btm_handle_to_acl (UINT16 hci_handle); void btm_read_link_policy_complete (UINT8 *p); void btm_read_rssi_complete (UINT8 *p); +void btm_read_channel_map_complete (UINT8 *p); void btm_read_tx_power_complete (UINT8 *p, BOOLEAN is_ble); void btm_acl_pkt_types_changed(UINT8 status, UINT16 handle, UINT16 pkt_types); void btm_read_link_quality_complete (UINT8 *p); diff --git a/components/bt/host/bluedroid/stack/btu/btu_hcif.c b/components/bt/host/bluedroid/stack/btu/btu_hcif.c index 0a45729abb..eb2995b958 100644 --- a/components/bt/host/bluedroid/stack/btu/btu_hcif.c +++ b/components/bt/host/bluedroid/stack/btu/btu_hcif.c @@ -1153,7 +1153,9 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l case HCI_READ_RSSI: btm_read_rssi_complete (p); break; - + case HCI_BLE_READ_CHNL_MAP: + btm_read_channel_map_complete (p); + break; case HCI_READ_TRANSMIT_POWER_LEVEL: #if (BLE_HOST_READ_TX_POWER_EN == TRUE) btm_read_tx_power_complete(p, FALSE); diff --git a/components/bt/host/bluedroid/stack/include/stack/btm_api.h b/components/bt/host/bluedroid/stack/include/stack/btm_api.h index 8e51118f58..a8334d91a7 100644 --- a/components/bt/host/bluedroid/stack/include/stack/btm_api.h +++ b/components/bt/host/bluedroid/stack/include/stack/btm_api.h @@ -811,6 +811,16 @@ typedef struct { BD_ADDR rem_bda; } tBTM_RSSI_RESULTS; +/* Structure returned with read channel map event (in tBTM_CMPL_CB callback function) +** in response to BTM_ReadChannelMap call. +*/ +typedef struct { + tBTM_STATUS status; /* BTM operation status */ + UINT8 hci_status; /* HCI command complete status */ + UINT8 channel_map[5]; /* Channel map (5 bytes) */ + BD_ADDR rem_bda; /* Remote device Bluetooth address */ +} tBTM_BLE_CH_MAP_RESULTS; + /* Structure returned with read current TX power event (in tBTM_CMPL_CB callback function) ** in response to BTM_ReadTxPower call. */ @@ -3024,6 +3034,18 @@ tBTM_STATUS BTM_SwitchRole (BD_ADDR remote_bd_addr, //extern tBTM_STATUS BTM_ReadRSSI (BD_ADDR remote_bda, tBT_TRANSPORT transport, tBTM_CMPL_CB *p_cb); +/******************************************************************************* +** +** Function BTM_ReadChannelMap +** +** Description This function is called to read the current channel map +** for the given connection. The results are returned via +** the callback (tBTM_BLE_CH_MAP_RESULTS). +** +** Returns BTM_CMD_STARTED if successfully initiated or error code +** +*******************************************************************************/ +tBTM_STATUS BTM_ReadChannelMap(BD_ADDR remote_bda, tBTM_CMPL_CB *p_cb); #if (BLE_HOST_READ_TX_POWER_EN == TRUE) /******************************************************************************* **