/*	**************************************************************  */
/*
 *	VIBWIRE.H
 *
 *	Zachary Wolf
 *	8/29/05
 */ 

#ifndef __VIBWIRE_HEADER
#define __VIBWIRE_HEADER

#if defined(__cplusplus) || defined(__cplusplus__)
extern "C" {
#endif

/*	**************************************************************  */

/*	CONSTANTS  */
#define VIBWIRE_MAX_NUM_CHAR 80
#define VIBWIRE_COARSE_STEP_SIZE 0.3	/* (Hz) */
#define VIBWIRE_EXTRA_COARSE_NUM_FREQ 31	/* Use frequencies close to fundamental */
#define VIBWIRE_COARSE_NUM_FREQ 9
#define VIBWIRE_FINE_STEP_SIZE 0.02		/* (Hz) */
#define VIBWIRE_FINE_NUM_FREQ 9
#define VIBWIRE_SIGN_AMPL     0.5       /* Desired amplitude of voltage output. 1/2 Peak to Peak*/
/*	*************************************************************  */

/*	ENUM DEFINITIONS */
enum vibwire_device_type_enum {VIBWIRE_HP33220_SR830XY, VIBWIRE_NONE_NONE};
enum vibwire_binary_enum {VIBWIRE_TRUE, VIBWIRE_FALSE};

/*	*************************************************************  */

/*	STRUCTURE DEFINITIONS */
struct vibwire_param_struct
{
	int board_addr;						/* GPIB board addr */
	int hp33220_addr;					/* HP33220 GPIB address */
	int sr830x_addr;					/* SR830 GPIB address for wire x motion */
	int sr830y_addr;					/* SR830 GPIB address for wire y motion */
	enum vibwire_device_type_enum device_type;	/* Type of device being used */
	double nom_fund_freq;				/* Nominal fundamental wire vibration frequency (Hz) */
	enum vibwire_binary_enum show_ui;	/* Show graph, choices in enum */
};

/*	**************************************************************  */

/*	PUBLIC FUNCTION DECLARATIONS  */
void vibwire_init(char log_file_in[], struct vibwire_param_struct vibwire_param_in);
void vibwire_set_freq(double freq);
void vibwire_set_ampl(double ampl);
void vibwire_get_freq(double* freq);
void vibwire_get_xdet_vxrms(double* vxrms);
void vibwire_get_xdet_vyrms(double* vyrms);
void vibwire_get_ydet_vxrms(double* vxrms);
void vibwire_get_ydet_vyrms(double* vyrms);
void vibwire_xdet_automeasure(void);
void vibwire_ydet_automeasure(void);
void vibwire_xdet_set_low_sensitivity(void);
void vibwire_ydet_set_low_sensitivity(void);
void vibwire_xdet_lower_sensitivity(void);
void vibwire_ydet_lower_sensitivity(void);
void vibwire_xdet_clear_errors(void);
void vibwire_ydet_clear_errors(void);
void vibwire_find_res_freq_coarse(char wire_vib_det, int har_num, double* coarse_res_freq, int num_points);
void vibwire_find_res_freq_fine(char wire_vib_det, double coarse_res_freq, double* fine_res_freq);
void vibwire_find_res_freq(char wire_vib_det, int har_num, double* res_freq);
void vibwire_output_on(void);
void vibwire_output_off(void);
void vibwire_exit(void);

/*	**************************************************************  */

/*	DONE  */
#if defined(__cplusplus) || defined(__cplusplus__)
}
#endif

#endif