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Merge branch 'feature/rainmaker_BT_configurable' into 'release/v4.4' 

Doc: Made bluetooth configurable after wifi provisioning is completed

See merge request espressif/esp-idf!19263
pull/9730/head
Isha Pardikar 2022-06-21 11:45:22 +05:30
rodzic 14903a46d1
commit eb490dc18e
6 zmienionych plików z 78 dodań i 3 usunięć
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10
components/protocomm/src/simple_ble/simple_ble.c
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@ -23,6 +23,7 @@ static simple_ble_cfg_t *g_ble_cfg_p;
static uint16_t *g_gatt_table_map;
static uint8_t adv_config_done;
static esp_bd_addr_t s_cached_remote_bda = {0x0,};
#define adv_config_flag (1 << 0)
#define scan_rsp_config_flag (1 << 1)
@ -133,6 +134,7 @@ static void gatts_profile_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_
g_ble_cfg_p->connect_fn(event, gatts_if, param);
esp_ble_conn_update_params_t conn_params = {0};
memcpy(conn_params.bda, param->connect.remote_bda, sizeof(esp_bd_addr_t));
memcpy(s_cached_remote_bda, param->connect.remote_bda, sizeof(esp_bd_addr_t));
/* For the iOS system, please refer the official Apple documents about BLE connection parameters restrictions. */
conn_params.latency = 0;
conn_params.max_int = 0x20; // max_int = 0x20*1.25ms = 40ms
@ -143,6 +145,7 @@ static void gatts_profile_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_
case ESP_GATTS_DISCONNECT_EVT:
ESP_LOGD(TAG, "ESP_GATTS_DISCONNECT_EVT, reason = %d", param->disconnect.reason);
g_ble_cfg_p->disconnect_fn(event, gatts_if, param);
memset(s_cached_remote_bda, 0, sizeof(esp_bd_addr_t));
esp_ble_gap_start_advertising(&g_ble_cfg_p->adv_params);
break;
case ESP_GATTS_CREAT_ATTR_TAB_EVT: {
@ -320,3 +323,10 @@ esp_err_t simple_ble_stop(void)
ESP_LOGD(TAG, "Free mem at end of simple_ble_stop %d", esp_get_free_heap_size());
return ESP_OK;
}
#ifdef CONFIG_WIFI_PROV_DISCONNECT_AFTER_PROV
esp_err_t simple_ble_disconnect(void)
{
return esp_ble_gap_disconnect(s_cached_remote_bda);
}
#endif

9
components/protocomm/src/simple_ble/simple_ble.h
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@ -104,4 +104,13 @@ esp_err_t simple_ble_stop(void);
*/
const uint8_t *simple_ble_get_uuid128(uint16_t handle);
#ifdef CONFIG_WIFI_PROV_DISCONNECT_AFTER_PROV
/** Terminates connection
*
* This API is called to initiate disconnection
*
* @return ESP_OK on success, and appropriate error code for failure
*/
esp_err_t simple_ble_disconnect(void);
#endif
#endif /* _SIMPLE_BLE_ */

24
components/protocomm/src/transports/protocomm_ble.c
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@ -318,6 +318,15 @@ static void transport_simple_ble_disconnect(esp_gatts_cb_event_t event, esp_gatt
{
esp_err_t ret;
ESP_LOGD(TAG, "Inside disconnect w/ session - %d", param->disconnect.conn_id);
#ifdef CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
/* Ignore BLE events received after protocomm layer is stopped */
if (protoble_internal == NULL) {
ESP_LOGI(TAG,"Protocomm layer has already stopped");
return;
}
#endif
if (protoble_internal->pc_ble->sec &&
protoble_internal->pc_ble->sec->close_transport_session) {
ret = protoble_internal->pc_ble->sec->close_transport_session(protoble_internal->pc_ble->sec_inst,
@ -572,11 +581,24 @@ esp_err_t protocomm_ble_stop(protocomm_t *pc)
(protoble_internal != NULL ) &&
(pc == protoble_internal->pc_ble)) {
esp_err_t ret = ESP_OK;
#ifndef CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
/* If flag is not enabled, stop the stack. */
ret = simple_ble_stop();
if (ret) {
ESP_LOGE(TAG, "BLE stop failed");
}
simple_ble_deinit();
#else
#ifdef CONFIG_WIFI_PROV_DISCONNECT_AFTER_PROV
/* Keep BT stack on, but terminate the connection after provisioning */
ret = simple_ble_disconnect();
if (ret) {
ESP_LOGE(TAG, "BLE disconnect failed");
}
simple_ble_deinit();
#endif // CONFIG_WIFI_PROV_DISCONNECT_AFTER_PROV
#endif // CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
protocomm_ble_cleanup();
return ret;
}

25
components/protocomm/src/transports/protocomm_nimble.c
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@ -27,6 +27,7 @@ static const char *TAG = "protocomm_nimble";
int ble_uuid_flat(const ble_uuid_t *, void *);
static uint8_t ble_uuid_base[BLE_UUID128_VAL_LENGTH];
static int num_chr_dsc;
static uint16_t s_cached_conn_handle;
/* Standard 16 bit UUID for characteristic User Description*/
#define BLE_GATT_UUID_CHAR_DSC 0x2901
@ -227,6 +228,7 @@ simple_ble_gap_event(struct ble_gap_event *event, void *arg)
ESP_LOGE(TAG, "No open connection with the specified handle");
return rc;
}
s_cached_conn_handle = event->connect.conn_handle;
} else {
/* Connection failed; resume advertising. */
simple_ble_advertise();
@ -236,7 +238,7 @@ simple_ble_gap_event(struct ble_gap_event *event, void *arg)
case BLE_GAP_EVENT_DISCONNECT:
ESP_LOGD(TAG, "disconnect; reason=%d ", event->disconnect.reason);
transport_simple_ble_disconnect(event, arg);
s_cached_conn_handle = 0; /* Clear conn_handle value */
/* Connection terminated; resume advertising. */
simple_ble_advertise();
return 0;
@ -539,6 +541,14 @@ static void transport_simple_ble_disconnect(struct ble_gap_event *event, void *a
esp_err_t ret;
ESP_LOGD(TAG, "Inside disconnect w/ session - %d",
event->disconnect.conn.conn_handle);
#ifdef CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
/* Ignore BLE events received after protocomm layer is stopped */
if (protoble_internal == NULL) {
ESP_LOGI(TAG,"Protocomm layer has already stopped");
return;
}
#endif
if (protoble_internal->pc_ble->sec &&
protoble_internal->pc_ble->sec->close_transport_session) {
ret =
@ -951,6 +961,8 @@ esp_err_t protocomm_ble_stop(protocomm_t *pc)
rc);
}
#ifndef CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
/* If flag is enabled, don't stop the stack. User application can start a new advertising to perform its BT activities */
ret = nimble_port_stop();
if (ret == 0) {
nimble_port_deinit();
@ -959,8 +971,17 @@ esp_err_t protocomm_ble_stop(protocomm_t *pc)
ESP_LOGE(TAG, "esp_nimble_hci_and_controller_deinit() failed with error: %d", ret);
}
}
#else
#ifdef CONFIG_WIFI_PROV_DISCONNECT_AFTER_PROV
/* Keep BT stack on, but terminate the connection after provisioning */
rc = ble_gap_terminate(s_cached_conn_handle, BLE_ERR_REM_USER_CONN_TERM);
if (rc) {
ESP_LOGI(TAG, "Error in terminating connection rc = %d",rc);
}
free_gatt_ble_misc_memory(ble_cfg_p);
#endif // CONFIG_WIFI_PROV_DISCONNECT_AFTER_PROV
#endif // CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
free_gatt_ble_misc_memory(ble_cfg_p);
protocomm_ble_cleanup();
return ret;
}

9
components/wifi_provisioning/Kconfig
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@ -38,4 +38,13 @@ menu "Wi-Fi Provisioning Manager"
help
Used to enforce link encryption when attempting to read / write characteristic
config WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
bool "Keep BT on after provisioning is done"
depends on BT_ENABLED
config WIFI_PROV_DISCONNECT_AFTER_PROV
bool "Terminate connection after provisioning is done"
depends on WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
default y
endmenu

4
components/wifi_provisioning/src/scheme_ble.c
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@ -207,6 +207,7 @@ void wifi_prov_scheme_ble_event_cb_free_btdm(void *user_data, wifi_prov_cb_event
break;
case WIFI_PROV_DEINIT:
#ifndef CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
/* Release memory used by BLE and Bluedroid host stack */
err = esp_bt_mem_release(ESP_BT_MODE_BTDM);
if (err != ESP_OK) {
@ -214,6 +215,7 @@ void wifi_prov_scheme_ble_event_cb_free_btdm(void *user_data, wifi_prov_cb_event
} else {
ESP_LOGI(TAG, "BTDM memory released");
}
#endif
break;
default:
@ -247,6 +249,7 @@ void wifi_prov_scheme_ble_event_cb_free_ble(void *user_data, wifi_prov_cb_event_
esp_err_t err;
switch (event) {
case WIFI_PROV_DEINIT:
#ifndef CONFIG_WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
/* Release memory used by BLE stack */
err = esp_bt_mem_release(ESP_BT_MODE_BLE);
if (err != ESP_OK) {
@ -254,6 +257,7 @@ void wifi_prov_scheme_ble_event_cb_free_ble(void *user_data, wifi_prov_cb_event_
} else {
ESP_LOGI(TAG, "BLE memory released");
}
#endif
break;
default: