[FL-2753] RFID app port to plain C (#1710)

* LF RFID: port to plain C
* LFRFID debug port to C, new reading screen
* LFRFID debug: fix pvs-studio warnings
* RFID read view: remove unused input callback
* RFID read view: animation update

applications/lfrfid_debug/scenes/lfrfid_debug_app_scene_start.c

@@ -0,0 +1,44 @@
+#include "../lfrfid_debug_i.h"
+
+typedef enum {
+    SubmenuIndexTune,
+} SubmenuIndex;
+
+static void lfrfid_debug_scene_start_submenu_callback(void* context, uint32_t index) {
+    LfRfidDebug* app = context;
+
+    view_dispatcher_send_custom_event(app->view_dispatcher, index);
+}
+
+void lfrfid_debug_scene_start_on_enter(void* context) {
+    LfRfidDebug* app = context;
+    Submenu* submenu = app->submenu;
+
+    submenu_add_item(
+        submenu, "Tune", SubmenuIndexTune, lfrfid_debug_scene_start_submenu_callback, app);
+
+    submenu_set_selected_item(
+        submenu, scene_manager_get_scene_state(app->scene_manager, LfRfidDebugSceneStart));
+
+    view_dispatcher_switch_to_view(app->view_dispatcher, LfRfidDebugViewSubmenu);
+}
+
+bool lfrfid_debug_scene_start_on_event(void* context, SceneManagerEvent event) {
+    LfRfidDebug* app = context;
+    bool consumed = false;
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(event.event == SubmenuIndexTune) {
+            scene_manager_next_scene(app->scene_manager, LfRfidDebugSceneTune);
+            consumed = true;
+        }
+    }
+
+    return consumed;
+}
+
+void lfrfid_debug_scene_start_on_exit(void* context) {
+    LfRfidDebug* app = context;
+
+    submenu_reset(app->submenu);
+}

applications/lfrfid_debug/scenes/lfrfid_debug_app_scene_tune.c

@@ -0,0 +1,48 @@
+#include "../lfrfid_debug_i.h"
+#include <furi_hal.h>
+
+static void comparator_trigger_callback(bool level, void* comp_ctx) {
+    UNUSED(comp_ctx);
+    furi_hal_gpio_write(&gpio_ext_pa7, !level);
+}
+
+void lfrfid_debug_scene_tune_on_enter(void* context) {
+    LfRfidDebug* app = context;
+
+    furi_hal_gpio_init_simple(&gpio_ext_pa7, GpioModeOutputPushPull);
+
+    furi_hal_rfid_comp_set_callback(comparator_trigger_callback, app);
+    furi_hal_rfid_comp_start();
+
+    furi_hal_rfid_pins_read();
+    furi_hal_rfid_tim_read(125000, 0.5);
+    furi_hal_rfid_tim_read_start();
+
+    view_dispatcher_switch_to_view(app->view_dispatcher, LfRfidDebugViewTune);
+}
+
+bool lfrfid_debug_scene_tune_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(event);
+
+    LfRfidDebug* app = context;
+    bool consumed = false;
+
+    if(lfrfid_debug_view_tune_is_dirty(app->tune_view)) {
+        furi_hal_rfid_set_read_period(lfrfid_debug_view_tune_get_arr(app->tune_view));
+        furi_hal_rfid_set_read_pulse(lfrfid_debug_view_tune_get_ccr(app->tune_view));
+    }
+
+    return consumed;
+}
+
+void lfrfid_debug_scene_tune_on_exit(void* context) {
+    UNUSED(context);
+
+    furi_hal_rfid_comp_stop();
+    furi_hal_rfid_comp_set_callback(NULL, NULL);
+
+    furi_hal_gpio_init_simple(&gpio_ext_pa7, GpioModeAnalog);
+    furi_hal_rfid_tim_read_stop();
+    furi_hal_rfid_tim_reset();
+    furi_hal_rfid_pins_reset();
+}

applications/lfrfid_debug/scenes/lfrfid_debug_scene.c

@@ -0,0 +1,30 @@
+#include "lfrfid_debug_scene.h"
+
+// Generate scene on_enter handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_enter,
+void (*const lfrfid_debug_on_enter_handlers[])(void*) = {
+#include "lfrfid_debug_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Generate scene on_event handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_event,
+bool (*const lfrfid_debug_on_event_handlers[])(void* context, SceneManagerEvent event) = {
+#include "lfrfid_debug_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Generate scene on_exit handlers array
+#define ADD_SCENE(prefix, name, id) prefix##_scene_##name##_on_exit,
+void (*const lfrfid_debug_on_exit_handlers[])(void* context) = {
+#include "lfrfid_debug_scene_config.h"
+};
+#undef ADD_SCENE
+
+// Initialize scene handlers configuration structure
+const SceneManagerHandlers lfrfid_debug_scene_handlers = {
+    .on_enter_handlers = lfrfid_debug_on_enter_handlers,
+    .on_event_handlers = lfrfid_debug_on_event_handlers,
+    .on_exit_handlers = lfrfid_debug_on_exit_handlers,
+    .scene_num = LfRfidDebugSceneNum,
+};

applications/lfrfid_debug/scenes/lfrfid_debug_scene.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <gui/scene_manager.h>
+
+// Generate scene id and total number
+#define ADD_SCENE(prefix, name, id) LfRfidDebugScene##id,
+typedef enum {
+#include "lfrfid_debug_scene_config.h"
+    LfRfidDebugSceneNum,
+} LfRfidDebugScene;
+#undef ADD_SCENE
+
+extern const SceneManagerHandlers lfrfid_debug_scene_handlers;
+
+// Generate scene on_enter handlers declaration
+#define ADD_SCENE(prefix, name, id) void prefix##_scene_##name##_on_enter(void*);
+#include "lfrfid_debug_scene_config.h"
+#undef ADD_SCENE
+
+// Generate scene on_event handlers declaration
+#define ADD_SCENE(prefix, name, id) \
+    bool prefix##_scene_##name##_on_event(void* context, SceneManagerEvent event);
+#include "lfrfid_debug_scene_config.h"
+#undef ADD_SCENE
+
+// Generate scene on_exit handlers declaration
+#define ADD_SCENE(prefix, name, id) void prefix##_scene_##name##_on_exit(void* context);
+#include "lfrfid_debug_scene_config.h"
+#undef ADD_SCENE

applications/lfrfid_debug/scenes/lfrfid_debug_scene_config.h

@@ -0,0 +1,2 @@
+ADD_SCENE(lfrfid_debug, start, Start)
+ADD_SCENE(lfrfid_debug, tune, Tune)