Replace USB serial/HID with Bluetooth Low Energy
Move all communication from USB to BLE. The device now advertises as "Claude Controller" and acts as both a BLE HID keyboard (for touch gestures) and a GATT data server (for usage updates from the daemon). - Add NimBLE-Arduino BLE module with custom GATT service + HID keyboard - Add third screen (Bluetooth) with connection status, MAC, reset button - Rewrite daemon in bash using bluetoothctl/busctl for BLE GATT writes - Add screenshot capture via LVGL snapshot over serial - Remove TinyUSB mode — normal pio upload works again - Update README with BLE architecture, screenshots, gesture docs Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Hermann Björgvin Haraldsson
co-authored by
Claude Opus 4.6
Claude Opus 4.6
parent
930055170f
commit
10b8052bcc
+135
-15
@@ -43,9 +43,15 @@ static lv_obj_t* ctrl_session_bar;
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static lv_obj_t* ctrl_session_lbl;
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static lv_obj_t* ctrl_reset_lbl;
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// ---- Bluetooth screen widgets ----
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static lv_obj_t* ble_container;
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static lv_obj_t* lbl_ble_status;
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static lv_obj_t* lbl_ble_device;
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static lv_obj_t* lbl_ble_mac;
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// ---- Shared ----
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static lv_image_dsc_t logo_dsc;
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static bool controller_shown = false;
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static screen_t current_screen = SCREEN_USAGE;
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// Animation state
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static uint32_t anim_last_ms = 0;
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@@ -388,6 +394,85 @@ static void init_controller_screen(lv_obj_t* scr) {
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lv_obj_add_flag(ctrl_container, LV_OBJ_FLAG_HIDDEN);
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}
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static void init_bluetooth_screen(lv_obj_t* scr) {
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ble_container = lv_obj_create(scr);
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lv_obj_set_size(ble_container, 480, 320);
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lv_obj_set_pos(ble_container, 0, 0);
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lv_obj_set_style_bg_opa(ble_container, LV_OPA_TRANSP, 0);
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lv_obj_set_style_border_width(ble_container, 0, 0);
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lv_obj_set_style_pad_all(ble_container, 0, 0);
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lv_obj_clear_flag(ble_container, LV_OBJ_FLAG_SCROLLABLE);
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// Title
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lv_obj_t* lbl_ble_title = lv_label_create(ble_container);
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lv_label_set_text(lbl_ble_title, "Bluetooth");
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lv_obj_set_style_text_font(lbl_ble_title, &font_tiempos_34, 0);
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lv_obj_set_style_text_color(lbl_ble_title, COL_TEXT, 0);
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lv_obj_set_pos(lbl_ble_title, 66, 12);
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// Info panel
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lv_obj_t* p_info = make_panel(ble_container, 8, 56, 464, 120);
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// Bluetooth icon + status row
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static lv_image_dsc_t icon_bt_dsc;
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init_icon_dsc(&icon_bt_dsc, ICON_BLUETOOTH_W, ICON_BLUETOOTH_H, icon_bluetooth_data);
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lv_obj_t* bt_img = lv_image_create(p_info);
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lv_image_set_src(bt_img, &icon_bt_dsc);
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lv_obj_set_pos(bt_img, 0, 0);
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lbl_ble_status = lv_label_create(p_info);
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lv_label_set_text(lbl_ble_status, "Initializing...");
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lv_obj_set_style_text_font(lbl_ble_status, &font_styrene_28, 0);
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lv_obj_set_style_text_color(lbl_ble_status, COL_DIM, 0);
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lv_obj_set_pos(lbl_ble_status, 40, 2);
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lbl_ble_device = lv_label_create(p_info);
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lv_label_set_text(lbl_ble_device, "Device: ---");
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lv_obj_set_style_text_font(lbl_ble_device, &font_styrene_16, 0);
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lv_obj_set_style_text_color(lbl_ble_device, COL_DIM, 0);
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lv_obj_set_pos(lbl_ble_device, 0, 50);
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lbl_ble_mac = lv_label_create(p_info);
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lv_label_set_text(lbl_ble_mac, "Address: ---");
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lv_obj_set_style_text_font(lbl_ble_mac, &font_styrene_16, 0);
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lv_obj_set_style_text_color(lbl_ble_mac, COL_DIM, 0);
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lv_obj_set_pos(lbl_ble_mac, 0, 74);
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// Reset Bluetooth tap zone with trash icon
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lv_obj_t* reset_zone = lv_obj_create(ble_container);
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lv_obj_set_pos(reset_zone, 8, 190);
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lv_obj_set_size(reset_zone, 464, 60);
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lv_obj_set_style_bg_color(reset_zone, COL_PANEL, 0);
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lv_obj_set_style_bg_opa(reset_zone, LV_OPA_COVER, 0);
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lv_obj_set_style_radius(reset_zone, 8, 0);
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lv_obj_set_style_border_width(reset_zone, 0, 0);
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lv_obj_set_style_pad_column(reset_zone, 10, 0);
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lv_obj_set_flex_flow(reset_zone, LV_FLEX_FLOW_ROW);
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lv_obj_set_flex_align(reset_zone, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
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lv_obj_clear_flag(reset_zone, LV_OBJ_FLAG_SCROLLABLE);
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static lv_image_dsc_t icon_trash_dsc;
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init_icon_dsc(&icon_trash_dsc, ICON_TRASH2_W, ICON_TRASH2_H, icon_trash2_data);
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lv_obj_t* trash_img = lv_image_create(reset_zone);
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lv_image_set_src(trash_img, &icon_trash_dsc);
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lv_obj_t* reset_lbl = lv_label_create(reset_zone);
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lv_label_set_text(reset_lbl, "Reset Bluetooth");
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lv_obj_set_style_text_font(reset_lbl, &font_styrene_16, 0);
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lv_obj_set_style_text_color(reset_lbl, COL_DIM, 0);
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// Footer
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lv_obj_t* lbl_footer = lv_label_create(ble_container);
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lv_label_set_text(lbl_footer, "Bluetooth Low Energy");
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lv_obj_set_style_text_font(lbl_footer, &font_styrene_14, 0);
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lv_obj_set_style_text_color(lbl_footer, COL_DIM, 0);
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lv_obj_align(lbl_footer, LV_ALIGN_BOTTOM_MID, 0, -16);
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// Start hidden
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lv_obj_add_flag(ble_container, LV_OBJ_FLAG_HIDDEN);
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}
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void ui_init(void) {
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lv_obj_t* scr = lv_screen_active();
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lv_obj_set_style_bg_color(scr, COL_BG, 0);
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@@ -403,8 +488,9 @@ void ui_init(void) {
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init_usage_screen(scr);
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init_controller_screen(scr);
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init_bluetooth_screen(scr);
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// Logo on top of both containers
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// Logo on top of all containers
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lv_obj_t* img = lv_image_create(scr);
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lv_image_set_src(img, &logo_dsc);
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lv_obj_set_pos(img, 10, 4);
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@@ -443,7 +529,7 @@ void ui_update(const UsageData* data) {
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}
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void ui_tick_anim(void) {
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if (controller_shown) return; // no animation on controller screen
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if (current_screen != SCREEN_USAGE) return; // animation only on usage screen
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uint32_t now = lv_tick_get();
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@@ -464,22 +550,56 @@ void ui_tick_anim(void) {
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}
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}
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void ui_show_controller(void) {
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void ui_show_screen(screen_t screen) {
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lv_obj_add_flag(usage_container, LV_OBJ_FLAG_HIDDEN);
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lv_obj_clear_flag(ctrl_container, LV_OBJ_FLAG_HIDDEN);
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controller_shown = true;
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}
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void ui_show_usage(void) {
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lv_obj_add_flag(ctrl_container, LV_OBJ_FLAG_HIDDEN);
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lv_obj_clear_flag(usage_container, LV_OBJ_FLAG_HIDDEN);
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controller_shown = false;
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lv_obj_add_flag(ble_container, LV_OBJ_FLAG_HIDDEN);
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switch (screen) {
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case SCREEN_USAGE: lv_obj_clear_flag(usage_container, LV_OBJ_FLAG_HIDDEN); break;
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case SCREEN_CONTROLLER: lv_obj_clear_flag(ctrl_container, LV_OBJ_FLAG_HIDDEN); break;
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case SCREEN_BLUETOOTH: lv_obj_clear_flag(ble_container, LV_OBJ_FLAG_HIDDEN); break;
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default: break;
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}
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current_screen = screen;
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}
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bool ui_is_controller_shown(void) {
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return controller_shown;
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void ui_cycle_screen(void) {
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ui_show_screen((screen_t)((current_screen + 1) % SCREEN_COUNT));
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}
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void ui_set_status(const char* text) {
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(void)text;
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screen_t ui_get_current_screen(void) {
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return current_screen;
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}
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void ui_update_ble_status(ble_state_t state, const char* name, const char* mac) {
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switch (state) {
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case BLE_STATE_CONNECTED:
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lv_label_set_text(lbl_ble_status, "Connected");
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lv_obj_set_style_text_color(lbl_ble_status, COL_GREEN, 0);
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break;
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case BLE_STATE_ADVERTISING:
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lv_label_set_text(lbl_ble_status, "Advertising...");
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lv_obj_set_style_text_color(lbl_ble_status, COL_AMBER, 0);
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break;
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case BLE_STATE_DISCONNECTED:
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lv_label_set_text(lbl_ble_status, "Disconnected");
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lv_obj_set_style_text_color(lbl_ble_status, COL_RED, 0);
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break;
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default:
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lv_label_set_text(lbl_ble_status, "Initializing...");
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lv_obj_set_style_text_color(lbl_ble_status, COL_DIM, 0);
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break;
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}
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if (name) {
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static char nbuf[48];
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snprintf(nbuf, sizeof(nbuf), "Device: %s", name);
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lv_label_set_text(lbl_ble_device, nbuf);
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}
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if (mac) {
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static char mbuf[48];
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snprintf(mbuf, sizeof(mbuf), "Address: %s", mac);
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lv_label_set_text(lbl_ble_mac, mbuf);
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}
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}
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