#ifndef TDC_VARIABLE_H_
#define TDC_VARIABLE_H_

#include <stdint.h>

struct tdc_var {
	uint32_t id;
	uint32_t flags;
	union {
		uint8_t data;
		uint8_t data_uint8;
		uint16_t data_uint16;
		uint32_t data_uint32;
		uint64_t data_uint64;
		float data_float;
		double data_double;
	};

	void *privdata_vartab;		/* GtkTreeIter */
	void *privdata_graphtab;	/* struct xygraph */
	char name[0];
};

void tdcvar_get_value(struct tdc_var *var, char *buf, int size, int viewmode);
void tdcvar_get_type(struct tdc_var *var, char *buf, int size);
int tdcvar_parse_value(struct tdc_var *var, char *data);
double tdcvar_get_double(struct tdc_var *var);

struct tdc_var * tdcvar_create(int id, uint32_t flags, char *name, int len);
void tdcvar_update(struct tdc_var *var, uint8_t *data, int len);
void tdcvar_destroy(struct tdc_var *var);

#endif /* TDC_VARIABLE_H_ */