New LF-RFID app (#534)

* Hal lfrfid: add read timer pulse and period config fns
* New debug application for lfrfid subsystem
* New lfrfid: app, fix naming
* App lfrfid: assets
* Container view module
* App ibutton: remove unused header
* App lfrfid scenes
* App notification, add yield to blocking operations, add speaker volume control
* App lfrfid: reading key scene
* Assets: placeholder icon
* App lfrfid: reworked container view module
* App lfrfid: new scenes
* App lfrfid: write scene
* App lfrfid: write hid
* App lfrfid: emulate scene
* App lfrfid: save name scene
* App lfrfid: add missing file

applications/lfrfid-debug/view-modules/lfrfid-view-tune-vm.cpp

@@ -0,0 +1,212 @@
+#include "lfrfid-view-tune-vm.h"
+#include <callback-connector.h>
+#include <gui/elements.h>
+
+struct LfRfidViewTuneVMModel {
+    bool dirty;
+    bool fine;
+    uint32_t ARR;
+    uint32_t CCR;
+    int pos;
+};
+
+void LfRfidViewTuneVM::view_draw_callback(Canvas* canvas, void* _model) {
+    LfRfidViewTuneVMModel* model = reinterpret_cast<LfRfidViewTuneVMModel*>(_model);
+    canvas_clear(canvas);
+    canvas_set_color(canvas, ColorBlack);
+
+    if(model->fine) {
+        canvas_draw_box(
+            canvas,
+            128 - canvas_string_width(canvas, "Fine") - 4,
+            0,
+            canvas_string_width(canvas, "Fine") + 4,
+            canvas_current_font_height(canvas) + 1);
+        canvas_set_color(canvas, ColorWhite);
+    }
+    canvas_draw_str_aligned(canvas, 128 - 2, 2, AlignRight, AlignTop, "Fine");
+    canvas_set_color(canvas, ColorBlack);
+
+    constexpr uint8_t buffer_size = 128;
+    char buffer[buffer_size + 1];
+    snprintf(
+        buffer,
+        buffer_size,
+        "%sARR: %lu\n"
+        "freq = %.4f\n"
+        "%sCCR: %lu\n"
+        "duty = %.4f",
+        model->pos == 0 ? ">" : "",
+        model->ARR,
+        (float)SystemCoreClock / ((float)model->ARR + 1),
+        model->pos == 1 ? ">" : "",
+        model->CCR,
+        ((float)model->CCR + 1) / ((float)model->ARR + 1) * 100.0f);
+    elements_multiline_text_aligned(canvas, 2, 2, AlignLeft, AlignTop, buffer);
+}
+
+bool LfRfidViewTuneVM::view_input_callback(InputEvent* event, void* context) {
+    LfRfidViewTuneVM* _this = reinterpret_cast<LfRfidViewTuneVM*>(context);
+    bool consumed = false;
+
+    // Process key presses only
+    if(event->type == InputTypeShort || event->type == InputTypeRepeat) {
+        consumed = true;
+
+        switch(event->key) {
+        case InputKeyLeft:
+            _this->button_left();
+            break;
+        case InputKeyRight:
+            _this->button_right();
+            break;
+        case InputKeyUp:
+            _this->button_up();
+            break;
+        case InputKeyDown:
+            _this->button_down();
+            break;
+        case InputKeyOk:
+            _this->button_ok();
+            break;
+        default:
+            consumed = false;
+            break;
+        }
+    }
+
+    return consumed;
+}
+
+void LfRfidViewTuneVM::button_up() {
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        if(model->pos > 0) model->pos--;
+        return true;
+    });
+}
+
+void LfRfidViewTuneVM::button_down() {
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        if(model->pos < 1) model->pos++;
+        return true;
+    });
+}
+
+void LfRfidViewTuneVM::button_left() {
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        if(model->pos == 0) {
+            if(model->fine) {
+                model->ARR -= 1;
+            } else {
+                model->ARR -= 10;
+            }
+        } else if(model->pos == 1) {
+            if(model->fine) {
+                model->CCR -= 1;
+            } else {
+                model->CCR -= 10;
+            }
+        }
+
+        model->dirty = true;
+        return true;
+    });
+}
+
+void LfRfidViewTuneVM::button_right() {
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        if(model->pos == 0) {
+            if(model->fine) {
+                model->ARR += 1;
+            } else {
+                model->ARR += 10;
+            }
+        } else if(model->pos == 1) {
+            if(model->fine) {
+                model->CCR += 1;
+            } else {
+                model->CCR += 10;
+            }
+        }
+
+        model->dirty = true;
+        return true;
+    });
+}
+
+void LfRfidViewTuneVM::button_ok() {
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        model->fine = !model->fine;
+        return true;
+    });
+}
+
+LfRfidViewTuneVM::LfRfidViewTuneVM() {
+    view = view_alloc();
+    view_set_context(view, this);
+    view_allocate_model(view, ViewModelTypeLocking, sizeof(LfRfidViewTuneVMModel));
+
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        model->dirty = true;
+        model->fine = false;
+        model->ARR = 511;
+        model->CCR = 255;
+        model->pos = 0;
+        return true;
+    });
+
+    view_set_draw_callback(
+        view, cbc::obtain_connector(this, &LfRfidViewTuneVM::view_draw_callback));
+    view_set_input_callback(
+        view, cbc::obtain_connector(this, &LfRfidViewTuneVM::view_input_callback));
+}
+
+LfRfidViewTuneVM::~LfRfidViewTuneVM() {
+    view_free(view);
+}
+
+View* LfRfidViewTuneVM::get_view() {
+    return view;
+}
+
+void LfRfidViewTuneVM::clean() {
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        model->dirty = true;
+        model->fine = false;
+        model->ARR = 511;
+        model->CCR = 255;
+        model->pos = 0;
+        return true;
+    });
+}
+
+bool LfRfidViewTuneVM::is_dirty() {
+    bool result;
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        result = model->dirty;
+        model->dirty = false;
+        return false;
+    });
+
+    return result;
+}
+
+uint32_t LfRfidViewTuneVM::get_ARR() {
+    uint32_t result;
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        result = model->ARR;
+        return false;
+    });
+
+    return result;
+}
+
+uint32_t LfRfidViewTuneVM::get_CCR() {
+    uint32_t result;
+    with_view_model_cpp(view, LfRfidViewTuneVMModel, model, {
+        result = model->CCR;
+        return false;
+    });
+
+    return result;
+}