1 #ifndef LEVENT_H
2 #define LEVENT_H
3
4 // CHDK interface to firmware 'logical events'
5
6 // Note: used in modules and platform independent code.
7 // Do not add platform dependent stuff in here (#ifdef/#endif compile options or camera dependent values)
8
9 #define LEVENT_INVALID_INDEX 0xFFFFFFFF
10
11 /* logical event definition*/
12 typedef struct {
13 char *name; /* name of event, may point to empty string */
14 unsigned id; /* event id number used with canon event fuctions (post etc) */
15 unsigned param; /* unknown 0-3 */
16 } levent_def;
17 /*
18 table of event definitions in ROM,
19 address can be found with tools/find_levent
20 terminated by an event with a NULL (not empty string) name pointer.
21 */
22 extern levent_def levent_table[];
23
24 /* return index of named event, or LEVENT_INVALID_INDEX */
25 unsigned levent_index_for_name(const char *name);
26
27 /* return index of event with given id, or LEVENT_INVALID_INDEX */
28 unsigned levent_index_for_id(unsigned id);
29
30 /* number of events in table, including final id 0 and id -1*/
31 unsigned levent_count(void);
32
33 /* return id of named event, or 0 */
34 unsigned levent_id_for_name(const char *name);
35
36 /* return name of event with given id, or NULL */
37 const char * levent_name_for_id(unsigned id);
38
39 /* post the named event with PostLogicalEventToUI */
40 int levent_post_to_ui_by_name(const char *name);
41
42 /* post press/unpress events for RecButton and PBButton */
43 void levent_set_record(void);
44 void levent_set_play(void);
45
46 extern void SetLogicalEventActive(unsigned event, unsigned state);
47 extern void PostLogicalEventForNotPowerType(unsigned event, unsigned unk);
48 extern void PostLogicalEventToUI(unsigned event, unsigned unk);
49 extern void SetScriptMode(unsigned mode);
50
51 extern int switch_mode_usb(int mode); // 0 = playback, 1 = record; return indicates success
52 // N.B.: switch_mode only supported when USB is connected
53 #endif