unleashed-firmware/lib/app-template/app-template.h
あく 66f9d946ae
[FL-1490] FuriHal: crypto api. Crypto cli tool. (#702)
* FuriHal: crypto layer
* Furi: add crash routine.
* FuriHal: crypto api. Crypto: cli command to manipulate secure enclave and encrypt/decrypt plain text.
* DeviceInfo: secure enclave verification.
* Rename original to enclave_valid
* Update expected enclave signature to match production keys
* F7: remove unused files
2021-09-15 12:59:49 +03:00

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3.4 KiB
C++

#pragma once
#include "callback-connector.h"
#include <furi.h>
#include <furi-hal.h>
#include <gui/gui.h>
#include <input/input.h>
// simple app class with template variables <state, events>
template <class TState, class TEvent> class AppTemplate {
public:
ViewPort* view_port;
osMessageQueueId_t event_queue;
TState state;
ValueMutex state_mutex;
Gui* gui;
AppTemplate();
~AppTemplate();
void input_callback(InputEvent* input_event, void* ctx);
void draw_callback(Canvas* canvas, void* ctx);
virtual void render(Canvas* canvas) = 0;
void acquire_state(void);
void release_state(void);
bool get_event(TEvent* event, uint32_t timeout);
void app_ready(void);
uint8_t exit(void);
void update_gui(void);
};
template <class TState, class TEvent> AppTemplate<TState, TEvent>::AppTemplate() {
// allocate events queue
event_queue = osMessageQueueNew(10, sizeof(TEvent), NULL);
// allocate valuemutex
// TODO: use plain os mutex?
if(!init_mutex(&state_mutex, &state, sizeof(TState))) {
printf("cannot create mutex\n");
furi_crash(NULL);
}
// open gui
gui = (Gui*)furi_record_open("gui");
// allocate view_port
view_port = view_port_alloc();
}
template <class TState, class TEvent> AppTemplate<TState, TEvent>::~AppTemplate() {
}
// generic input callback
template <class TState, class TEvent>
void AppTemplate<TState, TEvent>::input_callback(InputEvent* input_event, void* ctx) {
AppTemplate* app = static_cast<AppTemplate*>(ctx);
TEvent event;
event.type = TEvent::EventTypeKey;
event.value.input = *input_event;
osMessageQueuePut(app->event_queue, &event, 0, 0);
}
// generic draw callback
template <class TState, class TEvent>
void AppTemplate<TState, TEvent>::draw_callback(Canvas* canvas, void* ctx) {
AppTemplate* app = static_cast<AppTemplate*>(ctx);
app->acquire_state();
canvas_clear(canvas);
app->render(canvas);
app->release_state();
}
template <class TState, class TEvent> void AppTemplate<TState, TEvent>::acquire_state(void) {
acquire_mutex(&state_mutex, osWaitForever);
}
template <class TState, class TEvent> void AppTemplate<TState, TEvent>::release_state(void) {
release_mutex(&state_mutex, &state);
}
template <class TState, class TEvent>
bool AppTemplate<TState, TEvent>::get_event(TEvent* event, uint32_t timeout) {
osStatus_t event_status = osMessageQueueGet(event_queue, event, NULL, timeout);
return (event_status == osOK);
}
// signal that app is ready, and we can render something
// also unblock dependent tasks
template <class TState, class TEvent> void AppTemplate<TState, TEvent>::app_ready(void) {
// connect view_port with input callback
auto input_cb_ref = cbc::obtain_connector(this, &AppTemplate::input_callback);
view_port_input_callback_set(view_port, input_cb_ref, this);
// connect view_port with draw callback
auto draw_cb_ref = cbc::obtain_connector(this, &AppTemplate::draw_callback);
view_port_draw_callback_set(view_port, draw_cb_ref, this);
// add view_port
gui_add_view_port(gui, view_port, GuiLayerFullscreen);
}
template <class TState, class TEvent> uint8_t AppTemplate<TState, TEvent>::exit(void) {
// TODO remove all view_ports create by app
view_port_enabled_set(view_port, false);
return 255;
}
template <class TState, class TEvent> void AppTemplate<TState, TEvent>::update_gui(void) {
view_port_update(view_port);
}