1 #ifndef SCRIPT_H
2 #define SCRIPT_H
3
4 // CHDK Script interface
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 //-------------------------------------------------------------------
10 // Current stage of script processing
11
12 enum { SCRIPT_STATE_INACTIVE=0, // 0 - script is inactive now
13 SCRIPT_STATE_RAN, // 1 - script works now
14 SCRIPT_STATE_INTERRUPTED, // 2 - shutter button was pressed, cancel script
15 };
16
17 //-------------------------------------------------------------------
18 // Possible data types
19 #define DTYPE_INT 0 // Default
20 #define DTYPE_TABLE 1 // For parameters that select from a list of values, send to Lua as a table (Lua only)
21
22 // Structure used to hold a single script parameter
23 typedef struct _sc_param
24 {
25 char *name; // Parameter name
26 char *desc; // Title / description
27 int val; // Current value
28 int def_val; // Default value (from script, used to reset values)
29 int old_val; // Previous value (to detect change)
30 int range; // Min / Max values for validation
31 short range_type; // Specifies if range values is signed (-9999-32767) or unsigned (0-65535)
32 // Note: -9999 limit on negative values is due to current gui_menu code (and because menu only displays chars)
33 short data_type; // See defines above
34 int option_count; // Number of options for parameter
35 char* option_buf; // Memory buffer to store option names for parameter
36 const char** options; // Array of option names (points into option_buf memory)
37
38 struct _sc_param* next; // Next parameter in linked list
39 } sc_param;
40
41 //-------------------------------------------------------------------
42
43 // External references
44 extern char script_title[36];
45 extern sc_param* script_params;
46
47 //-------------------------------------------------------------------
48
49 extern void script_load(const char *fn);
50 extern void save_params_values(int enforce);
51
52 extern void script_console_add_line(long str_id);
53 extern void script_console_add_error(long str_id);
54 extern void script_print_screen_statement(int val);
55 //-------------------------------------------------------------------
56
57 extern void script_get_alt_text(char *buf);
58 extern void script_set_terminate_key(int key, const char *keyname);
59
60 extern int script_is_running();
61 extern long script_stack_start();
62 extern long script_start_gui( int autostart );
63 // for kbd_task kbd_process only, check if terminate has been requested by another task
64 extern void script_check_terminate(void);
65 // request and wait for script terminate from other task
66 extern void script_wait_terminate(void);
67 extern void script_end();
68 //-------------------------------------------------------------------
69
70 #endif