bt: code refactoring

Author: redchenjs

main/inc/chip/bt.h

@@ -8,7 +8,13 @@
 #ifndef INC_CHIP_BT_H_
 #define INC_CHIP_BT_H_
 
-extern const char *bt_dev_address;
+#include <stdint.h>
+
+extern char *bt_get_mac_string(void);
+extern char *ble_get_mac_string(void);
+
+extern uint8_t *bt_get_mac_address(void);
+extern uint8_t *ble_get_mac_address(void);
 
 extern void bt_init(void);
 

main/src/chip/bt.c

@@ -5,14 +5,40 @@
  *      Author: Jack Chen <[email protected]>
  */
 
+#include <string.h>
+
 #include "esp_bt.h"
 #include "esp_log.h"
 #include "esp_bt_main.h"
 #include "esp_bt_device.h"
 
 #define TAG "bt"
 
-const char *bt_dev_address = NULL;
+static char bt_mac_string[18] = {0};
+static char ble_mac_string[18] = {0};
+
+static uint8_t bt_mac_address[6] = {0};
+static uint8_t ble_mac_address[6] = {0};
+
+char *bt_get_mac_string(void)
+{
+    return bt_mac_string;
+}
+
+char *ble_get_mac_string(void)
+{
+    return ble_mac_string;
+}
+
+uint8_t *bt_get_mac_address(void)
+{
+    return bt_mac_address;
+}
+
+uint8_t *ble_get_mac_address(void)
+{
+    return ble_mac_address;
+}
 
 void bt_init(void)
 {
@@ -26,7 +52,13 @@ void bt_init(void)
     ESP_ERROR_CHECK(esp_bluedroid_init());
     ESP_ERROR_CHECK(esp_bluedroid_enable());
 
-    bt_dev_address = (const char *)esp_bt_dev_get_address();
+    memcpy(bt_mac_address, esp_bt_dev_get_address(), sizeof(bt_mac_address));
+    memcpy(ble_mac_address, esp_bt_dev_get_address(), sizeof(ble_mac_address));
+
+    ble_mac_address[0] |= 0xC0;
+
+    snprintf(bt_mac_string, sizeof(bt_mac_string), MACSTR, MAC2STR(bt_mac_address));
+    snprintf(ble_mac_string, sizeof(ble_mac_string), MACSTR, MAC2STR(ble_mac_address));
 
     ESP_LOGI(TAG, "initialized, bt: 1, ble: %d",
 #ifdef CONFIG_ENABLE_BLE_CONTROL_IF

main/src/user/ble_app.c

@@ -14,6 +14,8 @@
 #include "esp_gatt_common_api.h"
 
 #include "core/os.h"
+#include "chip/bt.h"
+
 #include "user/ble_gatts.h"
 
 #define BLE_APP_TAG "ble_app"
@@ -23,7 +25,7 @@ static esp_ble_adv_params_t adv_params = {
     .adv_int_min = 0x20,
     .adv_int_max = 0x40,
     .adv_type = ADV_TYPE_IND,
-    .own_addr_type = BLE_ADDR_TYPE_PUBLIC,
+    .own_addr_type = BLE_ADDR_TYPE_RANDOM,
     .channel_map = ADV_CHNL_ALL,
     .adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY
 };
@@ -66,6 +68,7 @@ static void ble_gap_config_adv_data(const char *name)
     // adv name
     raw_adv_data[3] = len + 1;
     raw_adv_data[4] = ESP_BLE_AD_TYPE_NAME_CMPL;
+
     memcpy(raw_adv_data + 5, name, len);
 
     esp_err_t raw_adv_ret = esp_ble_gap_config_adv_data_raw(raw_adv_data, sizeof(raw_adv_data));
@@ -84,6 +87,7 @@ void ble_app_init(void)
     xEventGroupSetBits(user_event_group, BLE_GATTS_IDLE_BIT);
 
     ESP_ERROR_CHECK(esp_ble_gap_register_callback(ble_gap_event_handler));
+    ESP_ERROR_CHECK(esp_ble_gap_set_rand_addr(ble_get_mac_address()));
     ESP_ERROR_CHECK(esp_ble_gap_set_device_name(CONFIG_BT_NAME));
 
     ESP_ERROR_CHECK(esp_ble_gatts_register_callback(ble_gatts_event_handler));

main/src/user/bt_av.c

@@ -133,7 +133,7 @@ static void bt_av_hdl_a2d_evt(uint16_t event, void *p_param)
                 a2d_sample_rate = 16000;
             }
 
-            ESP_LOGI(BT_A2D_TAG, "A2DP audio player configuration, sample rate: %d", a2d_sample_rate);
+            ESP_LOGI(BT_A2D_TAG, "A2DP audio player configuration, sample rate: %d Hz", a2d_sample_rate);
         }
 
         break;