Nimble/blufi: Added an API to stop Bluetooth / Blufi

components/bt/common/btc/profile/esp/blufi/include/esp_blufi.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -40,6 +40,7 @@ void esp_blufi_gatt_svr_register_cb(struct ble_gatt_register_ctxt *ctxt, void *a
 /* Initialise gatt server */
 int esp_blufi_gatt_svr_init(void);
 void esp_blufi_btc_init(void);
+void esp_blufi_btc_deinit(void);
 #endif
 
 #ifdef CONFIG_BT_BLUEDROID_ENABLED

components/bt/common/btc/profile/esp/blufi/nimble_host/esp_blufi.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -466,4 +466,8 @@ void esp_blufi_btc_init(void)
     assert(rc == 0);
 }
 
+void esp_blufi_btc_deinit(void)
+{
+    btc_deinit();
+}
 #endif

examples/bluetooth/blufi/main/blufi_example.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Unlicense OR CC0-1.0
  */
@@ -21,3 +21,4 @@ void blufi_security_deinit(void);
 int esp_blufi_gap_register_callback(void);
 esp_err_t esp_blufi_host_init(void);
 esp_err_t esp_blufi_host_and_cb_init(esp_blufi_callbacks_t *callbacks);
+esp_err_t esp_blufi_host_deinit(void);

examples/bluetooth/blufi/main/blufi_init.c

@@ -47,6 +47,37 @@ esp_err_t esp_blufi_host_init(void)
 
 }
 
+esp_err_t esp_blufi_host_deinit(void)
+{
+    int ret;
+    ret = esp_blufi_profile_deinit();
+    if(ret != ESP_OK) {
+        return ret;
+    }
+
+    ret = esp_bluedroid_disable();
+    if (ret) {
+        BLUFI_ERROR("%s deinit bluedroid failed: %s\n", __func__, esp_err_to_name(ret));
+        return ESP_FAIL;
+    }
+
+    ret = esp_bluedroid_deinit();
+    if (ret) {
+        BLUFI_ERROR("%s deinit bluedroid failed: %s\n", __func__, esp_err_to_name(ret));
+        return ESP_FAIL;
+    }
+
+    ESP_ERROR_CHECK(esp_bt_controller_disable());
+    ret = esp_bt_controller_deinit();
+    if (ret) {
+        BLUFI_ERROR("%s deinit bluedroid failed: %s\n", __func__, esp_err_to_name(ret));
+        return ESP_FAIL;
+    }
+
+    return ESP_OK;
+
+}
+
 esp_err_t esp_blufi_gap_register_callback(void)
 {
    int rc;
@@ -161,6 +192,25 @@ esp_err_t esp_blufi_host_init(void)
     return ESP_OK;
 }
 
+esp_err_t esp_blufi_host_deinit(void)
+{
+    esp_err_t ret = ESP_OK;
+
+    ret = esp_blufi_profile_deinit();
+    if(ret != ESP_OK) {
+        return ret;
+    }
+
+    esp_blufi_btc_deinit();
+
+    ret = nimble_port_stop();
+    if (ret == 0) {
+        nimble_port_deinit();
+    }
+
+    return ret;
+}
+
 esp_err_t esp_blufi_gap_register_callback(void)
 {
     return ESP_OK;