[FL-1905] Fix power off notification (#748)

* view dispatcher: add set view front API
* power: add power off notification
* Gui: rename ViewPort `send_to` API.
* Makefile: add blackmagick support

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

applications/gui/gui.c

@@ -335,7 +335,7 @@ void gui_remove_view_port(Gui* gui, ViewPort* view_port) {
     gui_unlock(gui);
 }
 
-void gui_send_view_port_front(Gui* gui, ViewPort* view_port) {
+void gui_view_port_send_to_front(Gui* gui, ViewPort* view_port) {
     furi_assert(gui);
     furi_assert(view_port);
 
@@ -361,7 +361,7 @@ void gui_send_view_port_front(Gui* gui, ViewPort* view_port) {
     gui_unlock(gui);
 }
 
-void gui_send_view_port_back(Gui* gui, ViewPort* view_port) {
+void gui_view_port_send_to_back(Gui* gui, ViewPort* view_port) {
     furi_assert(gui);
     furi_assert(view_port);
 

applications/gui/gui.h

@@ -55,7 +55,7 @@ void gui_remove_view_port(Gui* gui, ViewPort* view_port);
  * @param      gui        Gui instance
  * @param      view_port  ViewPort instance
  */
-void gui_send_view_port_front(Gui* gui, ViewPort* view_port);
+void gui_view_port_send_to_front(Gui* gui, ViewPort* view_port);
 
 /** Send ViewPort to the back
  *
@@ -64,7 +64,7 @@ void gui_send_view_port_front(Gui* gui, ViewPort* view_port);
  * @param      gui        Gui instance
  * @param      view_port  ViewPort instance
  */
-void gui_send_view_port_back(Gui* gui, ViewPort* view_port);
+void gui_view_port_send_to_back(Gui* gui, ViewPort* view_port);
 
 /** Set gui canvas commit callback
  *

applications/gui/view_dispatcher.c

@@ -177,6 +177,18 @@ void view_dispatcher_switch_to_view(ViewDispatcher* view_dispatcher, uint32_t vi
     }
 }
 
+void view_dispatcher_send_to_front(ViewDispatcher* view_dispatcher) {
+    furi_assert(view_dispatcher);
+    furi_assert(view_dispatcher->gui);
+    gui_view_port_send_to_front(view_dispatcher->gui, view_dispatcher->view_port);
+}
+
+void view_dispatcher_send_to_back(ViewDispatcher* view_dispatcher) {
+    furi_assert(view_dispatcher);
+    furi_assert(view_dispatcher->gui);
+    gui_view_port_send_to_front(view_dispatcher->gui, view_dispatcher->view_port);
+}
+
 void view_dispatcher_attach_to_gui(
     ViewDispatcher* view_dispatcher,
     Gui* gui,

applications/gui/view_dispatcher.h

@@ -139,6 +139,18 @@ void view_dispatcher_remove_view(ViewDispatcher* view_dispatcher, uint32_t view_
  */
 void view_dispatcher_switch_to_view(ViewDispatcher* view_dispatcher, uint32_t view_id);
 
+/** Send ViewPort of this ViewDispatcher instance to front
+ *
+ * @param      view_dispatcher  ViewDispatcher instance
+ */
+void view_dispatcher_send_to_front(ViewDispatcher* view_dispatcher);
+
+/** Send ViewPort of this ViewDispatcher instance to back
+ *
+ * @param      view_dispatcher  ViewDispatcher instance
+ */
+void view_dispatcher_send_to_back(ViewDispatcher* view_dispatcher);
+
 /** Attach ViewDispatcher to GUI
  *
  * @param      view_dispatcher  ViewDispatcher instance

applications/power/power_cli.c

@@ -5,10 +5,9 @@
 #include <furi-hal.h>
 
 void power_cli_poweroff(Cli* cli, string_t args, void* context) {
-    power_off();
+    Power* power = furi_record_open("power");
     printf("It's now safe to disconnect USB from your flipper\r\n");
-    while(cli_getc(cli)) {
-    }
+    power_off(power);
 }
 
 void power_cli_reboot(Cli* cli, string_t args, void* context) {

applications/power/power_service/power.c

@@ -41,6 +41,10 @@ Power* power_alloc() {
 
     // Gui
     power->view_dispatcher = view_dispatcher_alloc();
+    power->popup = popup_alloc();
+    popup_set_header(
+        power->popup, "Disconnect USB for safe\nshutdown", 64, 26, AlignCenter, AlignTop);
+    view_dispatcher_add_view(power->view_dispatcher, PowerViewPopup, popup_get_view(power->popup));
     power->power_off = power_off_alloc();
     view_dispatcher_add_view(
         power->view_dispatcher, PowerViewOff, power_off_get_view(power->power_off));
@@ -63,6 +67,8 @@ void power_free(Power* power) {
     // Gui
     view_dispatcher_remove_view(power->view_dispatcher, PowerViewOff);
     power_off_free(power->power_off);
+    view_dispatcher_remove_view(power->view_dispatcher, PowerViewPopup);
+    popup_free(power->popup);
     view_port_free(power->battery_view_port);
 
     // State
@@ -124,6 +130,7 @@ static void power_check_low_battery(Power* power) {
     // Check battery charge and vbus voltage
     if((power->info.charge == 0) && (power->info.voltage_vbus < 4.0f)) {
         if(!power->battery_low) {
+            view_dispatcher_send_to_front(power->view_dispatcher);
             view_dispatcher_switch_to_view(power->view_dispatcher, PowerViewOff);
         }
         power->battery_low = true;
@@ -139,7 +146,7 @@ static void power_check_low_battery(Power* power) {
         if(power->power_off_timeout) {
             power_off_set_time_left(power->power_off, power->power_off_timeout--);
         } else {
-            power_off();
+            power_off(power);
         }
     }
 }

applications/power/power_service/power_api.c

@@ -3,8 +3,13 @@
 #include "furi-hal-power.h"
 #include "furi-hal-boot.h"
 
-void power_off() {
+void power_off(Power* power) {
     furi_hal_power_off();
+    // Notify user if USB is plugged
+    view_dispatcher_send_to_front(power->view_dispatcher);
+    view_dispatcher_switch_to_view(power->view_dispatcher, PowerViewPopup);
+    osDelay(10);
+    furi_crash("Disconnect USB for safe shutdown");
 }
 
 void power_reboot(PowerBootMode mode) {

applications/power/power_service/power_i.h

@@ -5,6 +5,8 @@
 #include <stdint.h>
 #include <gui/view_dispatcher.h>
 #include <gui/gui.h>
+
+#include <gui/modules/popup.h>
 #include "views/power_off.h"
 
 #include <notification/notification-messages.h>
@@ -17,6 +19,7 @@ typedef enum {
 
 struct Power {
     ViewDispatcher* view_dispatcher;
+    Popup* popup;
     PowerOff* power_off;
 
     ViewPort* battery_view_port;
@@ -34,4 +37,7 @@ struct Power {
     uint8_t power_off_timeout;
 };
 
-typedef enum { PowerViewOff } PowerView;
+typedef enum {
+    PowerViewPopup,
+    PowerViewOff,
+} PowerView;

applications/power/power_settings_app/scenes/power_settinfs_scene_usb_disconnect.c

@@ -1,17 +0,0 @@
-#include "../power_settings_app.h"
-
-void power_settings_scene_usb_disconnect_on_enter(void* context) {
-    PowerSettingsApp* app = context;
-
-    dialog_ex_set_header(
-        app->dialog, "Disconnect USB for safe\nshutdown", 64, 26, AlignCenter, AlignTop);
-
-    view_dispatcher_switch_to_view(app->view_dispatcher, PowerSettingsAppViewDialog);
-}
-
-bool power_settings_scene_usb_disconnect_on_event(void* context, SceneManagerEvent event) {
-    return true;
-}
-
-void power_settings_scene_usb_disconnect_on_exit(void* context) {
-}

applications/power/power_settings_app/scenes/power_settings_scene_config.h

@@ -2,4 +2,3 @@ ADD_SCENE(power_settings, start, Start)
 ADD_SCENE(power_settings, battery_info, BatteryInfo)
 ADD_SCENE(power_settings, reboot, Reboot)
 ADD_SCENE(power_settings, power_off, PowerOff)
-ADD_SCENE(power_settings, usb_disconnect, UsbDisconnect)

applications/power/power_settings_app/scenes/power_settings_scene_power_off.c

@@ -30,12 +30,7 @@ bool power_settings_scene_power_off_on_event(void* context, SceneManagerEvent ev
         if(event.event == DialogExResultLeft) {
             scene_manager_previous_scene(app->scene_manager);
         } else if(event.event == DialogExResultRight) {
-            power_off();
-            // Check if USB is connected
-            power_get_info(app->power, &app->info);
-            if(app->info.voltage_vbus > 4.0f) {
-                scene_manager_next_scene(app->scene_manager, PowerSettingsAppSceneUsbDisconnect);
-            }
+            power_off(app->power);
         }
         consumed = true;
     }

make/rules.mk

@@ -95,6 +95,20 @@ debug_other:
 		-ex "source ../debug/PyCortexMDebug/PyCortexMDebug.py" \
 		-ex "svd_load $(SVD_FILE)" \
 
+
+blackmagic: flash
+	arm-none-eabi-gdb-py \
+		-ex 'target extended-remote $(BLACKMAGIC)' \
+		-ex 'monitor swdp_scan' \
+		-ex 'monitor debug_bmp enable' \
+		-ex 'attach 1' \
+		-ex "set confirm off" \
+		-ex "source ../debug/FreeRTOS/FreeRTOS.py" \
+		-ex "source ../debug/PyCortexMDebug/PyCortexMDebug.py" \
+		-ex "svd_load $(SVD_FILE)" \
+		-ex "compare-sections" \
+		$(OBJ_DIR)/$(PROJECT).elf; \
+
 openocd:
 	openocd $(OPENOCD_OPTS)