[FL-931] keypad test app, canvas draw circle/disc functions (#364)

* new keypad test app, added canvas circle/disc fn
* resources cleanup on exit
* fix - release mutex

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

applications/applications.c

@@ -34,6 +34,7 @@ int32_t sd_filesystem(void* p);
 int32_t app_subghz(void* p);
 
 int32_t gui_test(void* p);
+int32_t keypad_test(void* p);
 
 const FlipperApplication FLIPPER_SERVICES[] = {
 #ifdef APP_CLI
@@ -153,6 +154,10 @@ const FlipperApplication FLIPPER_SERVICES[] = {
 #ifdef APP_SUBGHZ
     {.app = app_subghz, .name = "app_subghz", .stack_size = 1024, .icon = A_Plugins_14},
 #endif
+
+#ifdef APP_KEYPAD_TEST
+    {.app = keypad_test, .name = "keypad_test", .icon = A_Plugins_14},
+#endif
 };
 
 const size_t FLIPPER_SERVICES_COUNT = sizeof(FLIPPER_SERVICES) / sizeof(FlipperApplication);
@@ -229,6 +234,11 @@ const FlipperApplication FLIPPER_PLUGINS[] = {
 #ifdef BUILD_SUBGHZ
     {.app = app_subghz, .name = "app_subghz", .stack_size = 1024, .icon = A_Plugins_14},
 #endif
+
+#ifdef BUILD_KEYPAD_TEST
+    {.app = keypad_test, .name = "keypad_test", .icon = A_Plugins_14},
+#endif
+
 };
 
 const size_t FLIPPER_PLUGINS_COUNT = sizeof(FLIPPER_PLUGINS) / sizeof(FlipperApplication);

applications/applications.mk

@@ -30,6 +30,7 @@ BUILD_MUSIC_PLAYER = 1
 BUILD_FLOOPPER_BLOOPPER = 1
 BUILD_IBUTTON = 1
 BUILD_GUI_TEST = 1
+BUILD_KEYPAD_TEST = 1
 BUILD_SUBGHZ = 1
 endif
 
@@ -222,6 +223,19 @@ C_SOURCES	+= $(wildcard $(APP_DIR)/examples/vibro.c)
 APP_INPUT = 1
 endif
 
+APP_KEYPAD_TEST ?= 0
+ifeq ($(APP_KEYPAD_TEST), 1)
+CFLAGS		+= -DAPP_KEYPAD_TEST
+BUILD_KEYPAD_TEST = 1
+endif
+BUILD_KEYPAD_TEST ?= 0
+ifeq ($(BUILD_KEYPAD_TEST), 1)
+CFLAGS		+= -DBUILD_KEYPAD_TEST
+C_SOURCES	+= $(APP_DIR)/examples/keypad_test.c
+BUILD_KEYPAD_TEST = 1
+endif
+
+
 APP_GPIO_DEMO ?= 0
 ifeq ($(APP_GPIO_DEMO), 1)
 CFLAGS		+= -DAPP_GPIO_DEMO

applications/examples/keypad_test.c

@@ -0,0 +1,189 @@
+#include <furi.h>
+#include <gui/gui.h>
+#include <input/input.h>
+
+extern TIM_HandleTypeDef SPEAKER_TIM;
+
+typedef struct {
+    bool press[5];
+    uint16_t up;
+    uint16_t down;
+    uint16_t left;
+    uint16_t right;
+    uint16_t ok;
+} State;
+
+typedef enum {
+    EventTypeTick,
+    EventTypeKey,
+} EventType;
+
+typedef struct {
+    union {
+        InputEvent input;
+    } value;
+    EventType type;
+} AppEvent;
+
+static void reset_state(State* state) {
+    state->left = 0;
+    state->right = 0;
+    state->up = 0;
+    state->down = 0;
+    state->ok = 0;
+}
+
+static void render_callback(Canvas* canvas, void* ctx) {
+    State* state = (State*)acquire_mutex((ValueMutex*)ctx, 25);
+    canvas_clear(canvas);
+    char strings[5][20];
+
+    sprintf(strings[0], "Ok: %d", state->ok);
+    sprintf(strings[1], "L: %d", state->left);
+    sprintf(strings[2], "R: %d", state->right);
+    sprintf(strings[3], "U: %d", state->up);
+    sprintf(strings[4], "D: %d", state->down);
+
+    canvas_set_font(canvas, FontPrimary);
+    canvas_draw_str(canvas, 0, 10, "Keypad test");
+
+    canvas_set_font(canvas, FontSecondary);
+    canvas_draw_str(canvas, 0, 24, strings[1]);
+    canvas_draw_str(canvas, 35, 24, strings[2]);
+    canvas_draw_str(canvas, 0, 36, strings[3]);
+    canvas_draw_str(canvas, 35, 36, strings[4]);
+    canvas_draw_str(canvas, 0, 48, strings[0]);
+    canvas_draw_circle(canvas, 100, 26, 25);
+
+    if(state->press[0]) canvas_draw_disc(canvas, 118, 26, 5);
+    if(state->press[1]) canvas_draw_disc(canvas, 82, 26, 5);
+    if(state->press[2]) canvas_draw_disc(canvas, 100, 8, 5);
+    if(state->press[3]) canvas_draw_disc(canvas, 100, 44, 5);
+    if(state->press[4]) canvas_draw_disc(canvas, 100, 26, 5);
+
+    canvas_draw_str(canvas, 10, 63, "[back] - reset, hold to exit");
+
+    release_mutex((ValueMutex*)ctx, state);
+}
+
+static void input_callback(InputEvent* input_event, void* ctx) {
+    osMessageQueueId_t event_queue = ctx;
+
+    AppEvent event;
+    event.type = EventTypeKey;
+    event.value.input = *input_event;
+    osMessageQueuePut(event_queue, &event, 0, 0);
+}
+
+int32_t keypad_test(void* p) {
+    osMessageQueueId_t event_queue = osMessageQueueNew(8, sizeof(AppEvent), NULL);
+    furi_check(event_queue);
+
+    State _state = {{false, false, false, false, false}, 0, 0, 0, 0, 0};
+
+    ValueMutex state_mutex;
+    if(!init_mutex(&state_mutex, &_state, sizeof(State))) {
+        printf("[keypad_test] cannot create mutex\r\n");
+        return 0;
+    }
+
+    ViewPort* view_port = view_port_alloc();
+
+    view_port_draw_callback_set(view_port, render_callback, &state_mutex);
+    view_port_input_callback_set(view_port, input_callback, event_queue);
+
+    // Open GUI and register view_port
+    Gui* gui = furi_record_open("gui");
+    gui_add_view_port(gui, view_port, GuiLayerFullscreen);
+
+    AppEvent event;
+    while(1) {
+        osStatus_t event_status = osMessageQueueGet(event_queue, &event, NULL, osWaitForever);
+        State* state = (State*)acquire_mutex_block(&state_mutex);
+
+        if(event_status == osOK) {
+            if(event.type == EventTypeKey) {
+                if(event.value.input.type == InputTypeLong &&
+                   event.value.input.key == InputKeyBack) {
+                    printf("[keypad test] bye!\r\n");
+                    release_mutex(&state_mutex, state);
+                    break;
+                }
+
+                if(event.value.input.type == InputTypeShort &&
+                   event.value.input.key == InputKeyBack) {
+                    reset_state(state);
+                }
+
+                if(event.value.input.key == InputKeyRight) {
+                    if(event.value.input.type == InputTypePress) {
+                        state->press[0] = true;
+                    } else if(event.value.input.type == InputTypeRelease) {
+                        state->press[0] = false;
+                    }
+
+                    if(event.value.input.type == InputTypeShort) {
+                        ++state->right;
+                    }
+                }
+
+                if(event.value.input.key == InputKeyLeft) {
+                    if(event.value.input.type == InputTypePress) {
+                        state->press[1] = true;
+                    } else if(event.value.input.type == InputTypeRelease) {
+                        state->press[1] = false;
+                    }
+
+                    if(event.value.input.type == InputTypeShort) {
+                        ++state->left;
+                    }
+                }
+
+                if(event.value.input.key == InputKeyUp) {
+                    if(event.value.input.type == InputTypePress) {
+                        state->press[2] = true;
+                    } else if(event.value.input.type == InputTypeRelease) {
+                        state->press[2] = false;
+                    }
+
+                    if(event.value.input.type == InputTypeShort) {
+                        ++state->up;
+                    }
+                }
+
+                if(event.value.input.key == InputKeyDown) {
+                    if(event.value.input.type == InputTypePress) {
+                        state->press[3] = true;
+                    } else if(event.value.input.type == InputTypeRelease) {
+                        state->press[3] = false;
+                    }
+
+                    if(event.value.input.type == InputTypeShort) {
+                        ++state->down;
+                    }
+                }
+
+                if(event.value.input.key == InputKeyOk) {
+                    if(event.value.input.type == InputTypePress) {
+                        state->press[4] = true;
+                    } else if(event.value.input.type == InputTypeRelease) {
+                        state->press[4] = false;
+                    }
+
+                    if(event.value.input.type == InputTypeShort) {
+                        ++state->ok;
+                    }
+                }
+            }
+        }
+        view_port_update(view_port);
+        release_mutex(&state_mutex, state);
+    }
+    // remove & free all stuff created by app
+    gui_remove_view_port(gui, view_port);
+    view_port_free(view_port);
+    osMessageQueueDelete(event_queue);
+    delete_mutex(&state_mutex);
+
+    return 0;
+}

applications/gui/canvas.c

@@ -216,6 +216,20 @@ void canvas_draw_line(Canvas* canvas, uint8_t x1, uint8_t y1, uint8_t x2, uint8_
     u8g2_DrawLine(&canvas->fb, x1, y1, x2, y2);
 }
 
+void canvas_draw_circle(Canvas* canvas, uint8_t x, uint8_t y, uint8_t radius) {
+    furi_assert(canvas);
+    x += canvas->offset_x;
+    y += canvas->offset_y;
+    u8g2_DrawCircle(&canvas->fb, x, y, radius, U8G2_DRAW_ALL);
+}
+
+void canvas_draw_disc(Canvas* canvas, uint8_t x, uint8_t y, uint8_t radius) {
+    furi_assert(canvas);
+    x += canvas->offset_x;
+    y += canvas->offset_y;
+    u8g2_DrawDisc(&canvas->fb, x, y, radius, U8G2_DRAW_ALL);
+}
+
 void canvas_draw_xbm(
     Canvas* canvas,
     uint8_t x,

applications/gui/canvas.h

@@ -132,6 +132,16 @@ void canvas_draw_frame(Canvas* canvas, uint8_t x, uint8_t y, uint8_t width, uint
  */
 void canvas_draw_line(Canvas* canvas, uint8_t x1, uint8_t y1, uint8_t x2, uint8_t y2);
 
+/*
+ * Draw circle at x,y with radius r
+ */
+void canvas_draw_circle(Canvas* canvas, uint8_t x, uint8_t y, uint8_t r);
+
+/*
+ * Draw disc at x,y with radius r
+ */
+void canvas_draw_disc(Canvas* canvas, uint8_t x, uint8_t y, uint8_t r);
+
 /*
  * Draw glyph
  */