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feat(ble/bluedroid): Added API to set channel map for scanning

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(cherry picked from commit fd4bb69357)

Co-authored-by: chenjianhua <chenjianhua@espressif.com>
This commit is contained in:
Chen Jian Hua
2025-09-28 19:10:03 +08:00
committed by BLE BOT
parent e8ff0a5656
commit 2b533e88ce
3 changed files with 51 additions and 0 deletions
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18
components/bt/host/bluedroid/api/esp_gap_ble_api.c
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@@ -1795,6 +1795,24 @@ esp_err_t esp_ble_gap_set_sch_len(uint8_t role, uint32_t len)
return esp_ble_gap_vendor_command_send(&vs_cmd);
}
#endif // CONFIG_SOC_BLE_MULTI_CONN_OPTIMIZATION
esp_err_t esp_ble_gap_set_scan_chan_map(uint8_t state, uint8_t chan_map[5])
{
esp_ble_vendor_cmd_params_t vs_cmd;
uint8_t cmd_param[6];
if (chan_map == NULL) {
return ESP_ERR_INVALID_ARG;
}
cmd_param[0] = state;
memcpy(&cmd_param[1], chan_map, 5);
vs_cmd.opcode = 0xFD19;
vs_cmd.param_len = 6;
vs_cmd.p_param_buf = cmd_param;
return esp_ble_gap_vendor_command_send(&vs_cmd);
}
#endif // (BLE_VENDOR_HCI_EN == TRUE)
#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)

29
components/bt/host/bluedroid/api/include/api/esp_gap_ble_api.h
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@@ -248,6 +248,7 @@ typedef enum {
ESP_GAP_BLE_READ_CHANNEL_MAP_COMPLETE_EVT, /*!< When BLE channel map result is received, the event comes */
ESP_GAP_BLE_SET_COMMON_FACTOR_CMPL_EVT, /*!< When set the common factor complete, the event comes */
ESP_GAP_BLE_SET_SCH_LEN_CMPL_EVT, /*!< When set the scheduling length complete, the event comes */
ESP_GAP_BLE_SET_SCAN_CHAN_MAP_CMPL_EVT, /*!< When set the channel map for scanning complete, the event comes */
ESP_GAP_BLE_EVT_MAX, /*!< when maximum advertising event complete, the event comes */
} esp_gap_ble_cb_event_t;
@@ -1762,6 +1763,12 @@ typedef union {
struct ble_set_sch_len_cmpl_evt_param {
esp_bt_status_t status; /*!< Indicate scheduling length set operation success status */
} set_sch_len_cmpl; /*!< Event parameter of ESP_GAP_BLE_SET_SCH_LEN_CMPL_EVT */
/**
* @brief ESP_GAP_BLE_SET_SCAN_CHAN_MAP_CMPL_EVT
*/
struct ble_set_scan_chan_map_cmpl_evt_param {
esp_bt_status_t status; /*!< Indicate channel map for scanning set operation success status */
} set_scan_chan_map_cmpl; /*!< Event parameter of ESP_GAP_BLE_SET_SCAN_CHAN_MAP_CMPL_EVT */
#endif // #if (BLE_VENDOR_HCI_EN == TRUE)
#if (BLE_FEAT_POWER_CONTROL_EN == TRUE)
/**
@@ -3144,6 +3151,28 @@ esp_err_t esp_ble_gap_set_common_factor(uint32_t common_factor);
*/
esp_err_t esp_ble_gap_set_sch_len(uint8_t role, uint32_t len);
/**
* @brief This function is used to Set the channel map for LE scanning or initiating state.
*
* @note - This function must be called before starting scanning or initiating.
* - At least one channel should be marked as used.
*
* @param[in] state: The LE state for which the channel map is applied.
* - 0 : Scanning state
* - 1 : Initiating state
* @param[in] chan_map: A 5-byte array representing the channel usage bit mask.
* Each bit corresponds to one channel from channel 0 to channel 39.
* The least significant bit of chan_map[0] corresponds to channel 0.
* The most significant bit of chan_map[4] corresponds to channel 39.
* - Bit = 1 : channel is used
* - Bit = 0 : channel is not used
*
* @return
* - ESP_OK : success
* - other : failed
*/
esp_err_t esp_ble_gap_set_scan_chan_map(uint8_t state, uint8_t chan_map[5]);
/**
* @brief This function is used to read the current and maximum transmit power levels of the local Controller.
*

4
components/bt/host/bluedroid/btc/profile/std/gap/btc_gap_ble.c
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@@ -1452,6 +1452,10 @@ static void btc_ble_vendor_hci_cmd_complete_callback(tBTA_VSC_CMPL *p_param)
msg.act = ESP_GAP_BLE_SET_SCH_LEN_CMPL_EVT;
param.set_sch_len_cmpl.status = p_param->p_param_buf[0];
break;
case 0xFD19:
msg.act = ESP_GAP_BLE_SET_SCAN_CHAN_MAP_CMPL_EVT;
param.set_scan_chan_map_cmpl.status = btc_hci_to_esp_status(p_param->p_param_buf[0]);
break;
default:
param.vendor_cmd_cmpl.opcode = p_param->opcode;
param.vendor_cmd_cmpl.param_len = p_param->param_len;