BLE: F3 integration (#260)

* BLE: working version
* BLE: cleanup
* BLE: update device description and DIS.
* BLE: explicitly take semaphore and configure CLK48, bt subsystem status, remove LPM.
* HAL: add missing api_hal_bt_is_alive symbol
* TODO about valuemutex
* duplicate f3-1 (f4) ioc from f3
* regenerate project
* use target dir for ble glue path
* update f4 from f3

Co-authored-by: coreglitch <mail@s3f.ru>

applications/bt/bt.c

@@ -0,0 +1,58 @@
+#include "bt_i.h"
+
+Bt* bt_alloc() {
+    Bt* bt = furi_alloc(sizeof(Bt));
+    bt->cli = furi_open("cli");
+
+    bt->statusbar_icon = assets_icons_get(I_Bluetooth_5x8);
+    bt->statusbar_widget = widget_alloc();
+    widget_set_width(bt->statusbar_widget, icon_get_width(bt->statusbar_icon) + 2);
+    widget_draw_callback_set(bt->statusbar_widget, bt_draw_statusbar_callback, bt);
+    widget_enabled_set(bt->statusbar_widget, false);
+
+    return bt;
+}
+
+void bt_draw_statusbar_callback(CanvasApi* canvas, void* context) {
+    assert(context);
+    Bt* bt = context;
+    canvas->draw_icon(canvas, 0, 0, bt->statusbar_icon);
+}
+
+void bt_cli_info(string_t args, void* context) {
+    string_t buffer;
+    string_init(buffer);
+    api_hal_bt_dump_state(buffer);
+    cli_print(string_get_cstr(buffer));
+    string_clear(buffer);
+}
+
+void bt_task() {
+    Bt* bt = bt_alloc();
+
+    if(bt->cli) {
+        cli_add_command(bt->cli, "bt_info", bt_cli_info, bt);
+    }
+
+    // TODO: add ValueMutex(bt) to "bt" record
+    if(!furi_create("bt", bt)) {
+        printf("[bt_task] unable to create bt record\n");
+        furiac_exit(NULL);
+    }
+
+    FuriRecordSubscriber* gui_record = furi_open_deprecated("gui", false, false, NULL, NULL, NULL);
+    furi_assert(gui_record);
+    GuiApi* gui = furi_take(gui_record);
+    furi_assert(gui);
+    gui->add_widget(gui, bt->statusbar_widget, GuiLayerStatusBarLeft);
+    furi_commit(gui_record);
+
+    furiac_ready();
+
+    api_hal_bt_init();
+
+    while(1) {
+        widget_enabled_set(bt->statusbar_widget, api_hal_bt_is_alive());
+        osDelay(1000);
+    }
+}