#ifndef CPLD_H
#define CPLD_H

#define VERSION_MINOR_BIT   0
#define VERSION_MAJOR_BIT   4
#define VERSION_DESIGN_BIT  8

#define DESIGN_BBC          0
//#define DESIGN_ALTERNATIVE  1   // This has now been removed from the code base
#define DESIGN_SIMPLE       1
#define DESIGN_ATOM         2
#define DESIGN_YUV_TTL      3 + 8
#define DESIGN_YUV_ANALOG   3
#define DESIGN_RGB_TTL      4
#define DESIGN_RGB_ANALOG   4 + 8
#define DESIGN_UNKNOWN     14
#define DESIGN_NULL        15   // This is when the CPLD is unprogrammed

typedef struct {
   int key;
   const char *label;
   const char *property_name;
   int min;
   int max;
   int step;
   int hidden;
} param_t;

// Define a common interface to abstract the calibration code
// for the two different CPLD implementations
typedef struct {
   const char *name;
   const char *nameBBC;
   const char *nameRGB;
   const char *nameYUV;
   const char *nameprefix;
   const char *nameBBCprefix;
   const char *nameRGBprefix;
   const char *nameYUVprefix;
   const char *default_profile;
   void (*init)(int cpld_version);
   int (*get_version)();
   void (*set_mode)(int mode);
   void (*set_vsync_psync)(int state);
   void (*update_capture_info)(capture_info_t *capinfo);
   int (*analyse)(int selected_sync_state, int analyse);
   int (*old_firmware_support)();
   int (*frontend_info)();
   void (*set_frontend)(int frontend);
   int (*get_divider)();
   int (*get_delay)();
   int (*get_sync_edge)();
   void (*calibrate)(capture_info_t *capinfo, int elk);
   // Support for the UI
   param_t *(*get_params)();
   int (*get_value)(int num);
   const char *(*get_value_string)(int num);
   void (*set_value)(int num, int value);
   // Support for info page
   int (*show_cal_summary)(int line);
   void (*show_cal_details)(int line);
   void (*show_cal_raw)(int line);
} cpld_t;

int diff_N_frames(capture_info_t *capinfo, int n, int elk);
int *diff_N_frames_by_sample(capture_info_t *capinfo, int n, int elk);
signed int analyze_default_alignment(capture_info_t *capinfo);
signed int analyze_mode7_alignment(capture_info_t *capinfo);

// These are global variables defined in rgb_to_hdmi
extern cpld_t         *cpld;
extern capture_info_t *capinfo;

#endif