flipperzero-firmware/applications/template/template.c.example

103 lines
2.6 KiB
Plaintext

#include <furi.h>
typedef enum {
EventTypeTick,
EventTypeKey,
// add your events type
} EventType;
typedef struct {
union {
InputEvent input;
// add your events payload
} value;
EventType type;
} Event;
typedef struct {
// describe state here
} State;
static void render_callback(Canvas* canvas, void* ctx) {
State* state = (State*)acquire_mutex((ValueMutex*)ctx, 25);
canvas_clear(canvas);
// draw your app
release_mutex((ValueMutex*)ctx, state);
}
static void input_callback(InputEvent* input_event, void* ctx) {
osMessageQueueId_t event_queue = (QueueHandle_t)ctx;
Event event;
event.type = EventTypeKey;
event.value.input = *input_event;
osMessageQueuePut(event_queue, &event, 0, 0);
}
void template_app(void* p) {
osMessageQueueId_t event_queue = osMessageQueueNew(1, sizeof(Event), NULL);
State _state;
/* init state here */
ValueMutex state_mutex;
if(!init_mutex(&state_mutex, &_state, sizeof(State))) {
printf("cannot create mutex\r\n");
furiac_exit(NULL);
}
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");
if(gui == NULL) {
printf("gui is not available\r\n");
furiac_exit(NULL);
}
gui_add_view_port(gui, view_port, /* specify UI layer */);
Event event;
while(1) {
osStatus_t event_status = osMessageQueueGet(
event_queue, &event, NULL,
/* specify timeout */
);
State* state = (State*)acquire_mutex_block(&state_mutex);
if(event_status == osOK) {
if(event.type == EventTypeKey) {
// press events
if(event.value.input.state && event.value.input.input == InputBack) {
}
if(event.value.input.state && event.value.input.input == InputUp) {
}
if(event.value.input.state && event.value.input.input == InputDown) {
}
if(event.value.input.state && event.value.input.input == InputLeft) {
}
if(event.value.input.state && event.value.input.input == InputRight) {
}
if(event.value.input.input == InputOk) {
}
}
} else {
// event timeout
}
// common code, for example, force update UI
// view_port_update(view_port);
release_mutex(&state_mutex, state);
}
}