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#include <cstdint>
#define DISPLAY_WIDTH 320
#define DISPLAY_HEIGHT 240
void display_setup(void);
void display_on(void);
void display_off(void);
void display_begin(void); // call before drawing
void display_end(void); // flushes to screen
void display_clear(uint16_t color);
void display_set_pixel(int32_t x, int32_t y, uint16_t color);
void button_setup(void);
bool button_get(void); // true if currently pressed
typedef struct {
const char *uri;
const char *method;
const char *body; // nullable
} WifiRequest;
typedef struct {
int status;
const char *content_type;
const char *body;
} WifiResponse;
typedef WifiResponse (*WifiHandler)(const WifiRequest *req);
void wifi_setup(void);
void wifi_hotspot_start(const char *ssid, const char *password, WifiHandler handler);
void wifi_hotspot_stop(void);
void wifi_tick(void); // call in loop() while hotspot is active
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