Minor: Fix some typos in Bluetooth examples

examples/bluetooth/ble_ancs/main/ble_ancs_demo.c

@@ -24,7 +24,7 @@
 #include "ble_ancs.h"
 
 #define BLE_ANCS_TAG                              "BLE_ANCS"
-#define EXCAMPLE_DEVICE_NAME                      "ESP_BLE_ANCS"
+#define EXAMPLE_DEVICE_NAME                       "ESP_BLE_ANCS"
 #define PROFILE_A_APP_ID                          0
 #define PROFILE_NUM                               1
 #define ADV_CONFIG_FLAG                           (1 << 0)
@@ -331,7 +331,7 @@ static void gattc_profile_event_handler(esp_gattc_cb_event_t event, esp_gatt_if_
     switch (event) {
     case ESP_GATTC_REG_EVT:
         ESP_LOGI(BLE_ANCS_TAG, "REG_EVT");
-        esp_ble_gap_set_device_name(EXCAMPLE_DEVICE_NAME);
+        esp_ble_gap_set_device_name(EXAMPLE_DEVICE_NAME);
         esp_ble_gap_config_local_icon (ESP_BLE_APPEARANCE_GENERIC_WATCH);
         //generate a resolvable random address
         esp_ble_gap_config_local_privacy(true);

examples/bluetooth/bluedroid/ble/gatt_security_server/main/example_ble_sec_gatts_demo.c

@@ -25,7 +25,7 @@
 #define HEART_PROFILE_NUM                         1
 #define HEART_PROFILE_APP_IDX                     0
 #define ESP_HEART_RATE_APP_ID                     0x55
-#define EXCAMPLE_DEVICE_NAME                      "ESP_BLE_SECURITY"
+#define EXAMPLE_DEVICE_NAME                       "ESP_BLE_SECURITY"
 #define HEART_RATE_SVC_INST_ID                    0
 
 #define GATTS_DEMO_CHAR_VAL_LEN_MAX               0x40
@@ -400,7 +400,7 @@ static void gatts_profile_event_handler(esp_gatts_cb_event_t event,
     ESP_LOGV(GATTS_TABLE_TAG, "event = %x\n",event);
     switch (event) {
         case ESP_GATTS_REG_EVT:
-            esp_ble_gap_set_device_name(EXCAMPLE_DEVICE_NAME);
+            esp_ble_gap_set_device_name(EXAMPLE_DEVICE_NAME);
             //generate a resolvable random address
             esp_ble_gap_config_local_privacy(true);
             esp_ble_gatts_create_attr_tab(heart_rate_gatt_db, gatts_if,

examples/bluetooth/bluedroid/classic_bt/bt_spp_acceptor/main/example_spp_acceptor_demo.c

@@ -26,7 +26,7 @@
 
 #define SPP_TAG "SPP_ACCEPTOR_DEMO"
 #define SPP_SERVER_NAME "SPP_SERVER"
-#define EXCAMPLE_DEVICE_NAME "ESP_SPP_ACCEPTOR"
+#define EXAMPLE_DEVICE_NAME "ESP_SPP_ACCEPTOR"
 #define SPP_SHOW_DATA 0
 #define SPP_SHOW_SPEED 1
 #define SPP_SHOW_MODE SPP_SHOW_SPEED    /*Choose show mode: show data or speed*/
@@ -56,7 +56,7 @@ static void esp_spp_cb(esp_spp_cb_event_t event, esp_spp_cb_param_t *param)
     switch (event) {
     case ESP_SPP_INIT_EVT:
         ESP_LOGI(SPP_TAG, "ESP_SPP_INIT_EVT");
-        esp_bt_dev_set_device_name(EXCAMPLE_DEVICE_NAME);
+        esp_bt_dev_set_device_name(EXAMPLE_DEVICE_NAME);
         esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
         esp_spp_start_srv(sec_mask,role_slave, 0, SPP_SERVER_NAME);
         break;

examples/bluetooth/bluedroid/classic_bt/bt_spp_initiator/main/example_spp_initiator_demo.c

@@ -25,7 +25,7 @@
 #include "sys/time.h"
 
 #define SPP_TAG "SPP_INITIATOR_DEMO"
-#define EXCAMPLE_DEVICE_NAME "ESP_SPP_INITIATOR"
+#define EXAMPLE_DEVICE_NAME "ESP_SPP_INITIATOR"
 
 #define SPP_SHOW_DATA 0
 #define SPP_SHOW_SPEED 1
@@ -103,7 +103,7 @@ static void esp_spp_cb(esp_spp_cb_event_t event, esp_spp_cb_param_t *param)
     switch (event) {
     case ESP_SPP_INIT_EVT:
         ESP_LOGI(SPP_TAG, "ESP_SPP_INIT_EVT");
-        esp_bt_dev_set_device_name(EXCAMPLE_DEVICE_NAME);
+        esp_bt_dev_set_device_name(EXAMPLE_DEVICE_NAME);
         esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
         esp_bt_gap_start_discovery(inq_mode, inq_len, inq_num_rsps);
 

examples/bluetooth/bluedroid/classic_bt/bt_spp_vfs_acceptor/main/example_spp_vfs_acceptor_demo.c

@@ -38,7 +38,7 @@
 
 #define SPP_TAG "SPP_ACCEPTOR_DEMO"
 #define SPP_SERVER_NAME "SPP_SERVER"
-#define EXCAMPLE_DEVICE_NAME "ESP_SPP_ACCEPTOR"
+#define EXAMPLE_DEVICE_NAME "ESP_SPP_ACCEPTOR"
 
 static const esp_spp_mode_t esp_spp_mode = ESP_SPP_MODE_VFS;
 
@@ -75,7 +75,7 @@ static void esp_spp_cb(uint16_t e, void *p)
     switch (event) {
     case ESP_SPP_INIT_EVT:
         ESP_LOGI(SPP_TAG, "ESP_SPP_INIT_EVT");
-        esp_bt_dev_set_device_name(EXCAMPLE_DEVICE_NAME);
+        esp_bt_dev_set_device_name(EXAMPLE_DEVICE_NAME);
         esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
         esp_spp_start_srv(sec_mask,role_slave, 0, SPP_SERVER_NAME);
         break;

examples/bluetooth/bluedroid/classic_bt/bt_spp_vfs_initiator/main/example_spp_vfs_initiator_demo.c

@@ -37,7 +37,7 @@
 #include "sys/unistd.h"
 
 #define SPP_TAG "SPP_INITIATOR_DEMO"
-#define EXCAMPLE_DEVICE_NAME "ESP_SPP_INITIATOR"
+#define EXAMPLE_DEVICE_NAME "ESP_SPP_INITIATOR"
 
 static const esp_spp_mode_t esp_spp_mode = ESP_SPP_MODE_VFS;
 
@@ -113,7 +113,7 @@ static void esp_spp_cb(uint16_t e, void *p)
     switch (event) {
     case ESP_SPP_INIT_EVT:
         ESP_LOGI(SPP_TAG, "ESP_SPP_INIT_EVT");
-        esp_bt_dev_set_device_name(EXCAMPLE_DEVICE_NAME);
+        esp_bt_dev_set_device_name(EXAMPLE_DEVICE_NAME);
         esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
         esp_bt_gap_start_discovery(inq_mode, inq_len, inq_num_rsps);
 

examples/bluetooth/nimble/blehr/main/main.c

@@ -134,7 +134,7 @@ blehr_tx_hrate_stop(void)
     xTimerStop( blehr_tx_timer, 1000 / portTICK_PERIOD_MS );
 }
 
-/* Reset heartrate measurment */
+/* Reset heart rate measurement */
 static void
 blehr_tx_hrate_reset(void)
 {

examples/bluetooth/nimble/bleprph/main/main.c

@@ -93,7 +93,7 @@ bleprph_advertise(void)
                    BLE_HS_ADV_F_BREDR_UNSUP;
 
     /* Indicate that the TX power level field should be included; have the
-     * stack fill this value automatically.  This is done by assiging the
+     * stack fill this value automatically.  This is done by assigning the
      * special value BLE_HS_ADV_TX_PWR_LVL_AUTO.
      */
     fields.tx_pwr_lvl_is_present = 1;
@@ -135,7 +135,7 @@ bleprph_advertise(void)
  *
  * @param event                 The type of event being signalled.
  * @param ctxt                  Various information pertaining to the event.
- * @param arg                   Application-specified argument; unuesd by
+ * @param arg                   Application-specified argument; unused by
  *                                  bleprph.
  *
  * @return                      0 if the application successfully handled the