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Add signals

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-05-31 18:54:22 +02:00
parent 1a289db1cd
commit d711f33721
2 changed files with 72 additions and 0 deletions
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29
src/picokeys.h
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@@ -172,4 +172,33 @@ extern bool is_req_button_pending(void);
extern int set_atr(void);
#define MAX_SIGNALS 32
typedef enum {
SIGNAL_NONE = 0,
SIGNAL_BOOT = 1,
SIGNAL_USB_MOUNTED = 2,
SIGNAL_BUTTON_PRESS = 3,
SIGNAL_BUTTON_RELEASE = 4,
SIGNAL_USER_PRESENCE_REQUEST = 5,
} signal_code_t;
typedef enum {
SIGNAL_FLAG_NONE = 0x0,
SIGNAL_FLAG_ERROR_CONTINUE = 0x1,
} signal_flag_t;
typedef int (*signal_handler_t)(signal_code_t, void *);
typedef struct {
signal_code_t code;
signal_flag_t flags;
signal_handler_t handler;
} signal_t;
extern int signal_add(signal_code_t code, signal_flag_t flags, signal_handler_t handler);
extern int signal_remove(signal_code_t code, signal_handler_t handler);
extern int signal_emit_param(signal_code_t code, void *data);
extern int signal_emit(signal_code_t code);
#endif