Added setting option for BLE connection key.

firmware/application/src/settings.c

@@ -41,12 +41,19 @@ void settings_init_button_long_press_config(void) {
     config.button_b_long_press = SettingsButtonCloneIcUid;
 }
 
+// add on version4
+void settings_init_ble_connect_key_config(void) {
+    uint8_t p_key_u8[] = DEFAULT_BLE_CONNECT_KEY;
+    settings_set_ble_connect_key(p_key_u8);
+}
+
 void settings_init_config(void) {
     settings_update_version_for_config();
     // add on version1
     config.animation_config = SettingsAnimationModeFull;
     settings_init_button_press_config();
     settings_init_button_long_press_config();
+    settings_init_ble_connect_key_config();
 }
 
 void settings_migrate(void) {
@@ -61,6 +68,9 @@ void settings_migrate(void) {
         case 2:
             settings_init_button_long_press_config();
 
+        case 3:
+            settings_init_ble_connect_key_config();
+
             /*
              * Add new migration steps ABOVE THIS COMMENT
              * `settings_update_version_for_config()` and `break` statements should only be used on the last migration step, all the previous steps must fall
@@ -243,3 +253,16 @@ void settings_set_long_button_press_config(char which, uint8_t value) {
             break;
     }
 }
+
+uint8_t* settings_get_ble_connect_key(void) {
+    return config.ble_connect_key;
+}
+
+/**
+ * @brief Pointer to 6-digit ASCII string (digit 0..9 only, no NULL termination) passkey to be used during pairing.
+ * 
+ * @param key Ble connect key for your device
+ */
+void settings_set_ble_connect_key(uint8_t* key) {
+    memcpy(config.ble_connect_key, key, BLE_CONNECT_KEY_LEN_MAX);
+}

firmware/application/src/settings.h

@@ -5,7 +5,9 @@
 
 #include "utils.h"
 
-#define SETTINGS_CURRENT_VERSION 3
+#define SETTINGS_CURRENT_VERSION 4
+#define BLE_CONNECT_KEY_LEN_MAX 6
+#define DEFAULT_BLE_CONNECT_KEY "123456"  // length must == 6
 
 typedef enum {
     SettingsAnimationModeFull = 0U,
@@ -40,9 +42,11 @@ typedef struct ALIGN_U32 {
     uint8_t button_a_long_press : 4;
     uint8_t button_b_long_press : 4;
 
-    // 7 byte
-    uint32_t reserved1 : 24; // If you are add bigValue(not 1 or 0) field, reallocating me.
-    uint32_t reserved2; // see top.
+    // 6 byte
+    uint8_t ble_connect_key[6];
+
+    // 1 byte
+    uint8_t reserved1; // see bottom.
 
     /*
      * Warning !!!!!!!!!!!!!!!!!!!!!! <-------------
@@ -63,5 +67,6 @@ uint8_t settings_get_long_button_press_config(char which);
 void settings_set_button_press_config(char which, uint8_t value);
 void settings_set_long_button_press_config(char which, uint8_t value);
 bool is_settings_button_type_valid(char type);
-
+uint8_t* settings_get_ble_connect_key(void);
+void settings_set_ble_connect_key(uint8_t* key);
 #endif